File: | projects/openmp/runtime/src/kmp_affinity.cpp |
Warning: | line 1026, column 7 Value stored to 'maxThreadsPerPkg' is never read |
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1 | /* |
2 | * kmp_affinity.cpp -- affinity management |
3 | */ |
4 | |
5 | //===----------------------------------------------------------------------===// |
6 | // |
7 | // The LLVM Compiler Infrastructure |
8 | // |
9 | // This file is dual licensed under the MIT and the University of Illinois Open |
10 | // Source Licenses. See LICENSE.txt for details. |
11 | // |
12 | //===----------------------------------------------------------------------===// |
13 | |
14 | #include "kmp.h" |
15 | #include "kmp_affinity.h" |
16 | #include "kmp_i18n.h" |
17 | #include "kmp_io.h" |
18 | #include "kmp_str.h" |
19 | #include "kmp_wrapper_getpid.h" |
20 | #if KMP_USE_HIER_SCHED0 |
21 | #include "kmp_dispatch_hier.h" |
22 | #endif |
23 | |
24 | // Store the real or imagined machine hierarchy here |
25 | static hierarchy_info machine_hierarchy; |
26 | |
27 | void __kmp_cleanup_hierarchy() { machine_hierarchy.fini(); } |
28 | |
29 | void __kmp_get_hierarchy(kmp_uint32 nproc, kmp_bstate_t *thr_bar) { |
30 | kmp_uint32 depth; |
31 | // The test below is true if affinity is available, but set to "none". Need to |
32 | // init on first use of hierarchical barrier. |
33 | if (TCR_1(machine_hierarchy.uninitialized)(machine_hierarchy.uninitialized)) |
34 | machine_hierarchy.init(NULL__null, nproc); |
35 | |
36 | // Adjust the hierarchy in case num threads exceeds original |
37 | if (nproc > machine_hierarchy.base_num_threads) |
38 | machine_hierarchy.resize(nproc); |
39 | |
40 | depth = machine_hierarchy.depth; |
41 | KMP_DEBUG_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 41)); |
42 | |
43 | thr_bar->depth = depth; |
44 | thr_bar->base_leaf_kids = (kmp_uint8)machine_hierarchy.numPerLevel[0] - 1; |
45 | thr_bar->skip_per_level = machine_hierarchy.skipPerLevel; |
46 | } |
47 | |
48 | #if KMP_AFFINITY_SUPPORTED1 |
49 | |
50 | bool KMPAffinity::picked_api = false; |
51 | |
52 | void *KMPAffinity::Mask::operator new(size_t n) { return __kmp_allocate(n)___kmp_allocate((n), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 52); } |
53 | void *KMPAffinity::Mask::operator new[](size_t n) { return __kmp_allocate(n)___kmp_allocate((n), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 53); } |
54 | void KMPAffinity::Mask::operator delete(void *p) { __kmp_free(p)___kmp_free((p), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 54); } |
55 | void KMPAffinity::Mask::operator delete[](void *p) { __kmp_free(p)___kmp_free((p), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 55); } |
56 | void *KMPAffinity::operator new(size_t n) { return __kmp_allocate(n)___kmp_allocate((n), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 56); } |
57 | void KMPAffinity::operator delete(void *p) { __kmp_free(p)___kmp_free((p), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 57); } |
58 | |
59 | void KMPAffinity::pick_api() { |
60 | KMPAffinity *affinity_dispatch; |
61 | if (picked_api) |
62 | return; |
63 | #if KMP_USE_HWLOC0 |
64 | // Only use Hwloc if affinity isn't explicitly disabled and |
65 | // user requests Hwloc topology method |
66 | if (__kmp_affinity_top_method == affinity_top_method_hwloc && |
67 | __kmp_affinity_type != affinity_disabled) { |
68 | affinity_dispatch = new KMPHwlocAffinity(); |
69 | } else |
70 | #endif |
71 | { |
72 | affinity_dispatch = new KMPNativeAffinity(); |
73 | } |
74 | __kmp_affinity_dispatch = affinity_dispatch; |
75 | picked_api = true; |
76 | } |
77 | |
78 | void KMPAffinity::destroy_api() { |
79 | if (__kmp_affinity_dispatch != NULL__null) { |
80 | delete __kmp_affinity_dispatch; |
81 | __kmp_affinity_dispatch = NULL__null; |
82 | picked_api = false; |
83 | } |
84 | } |
85 | |
86 | // Print the affinity mask to the character array in a pretty format. |
87 | char *__kmp_affinity_print_mask(char *buf, int buf_len, |
88 | kmp_affin_mask_t *mask) { |
89 | KMP_ASSERT(buf_len >= 40)((buf_len >= 40) ? 0 : __kmp_debug_assert("buf_len >= 40" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 89)); |
90 | char *scan = buf; |
91 | char *end = buf + buf_len - 1; |
92 | |
93 | // Find first element / check for empty set. |
94 | size_t i; |
95 | i = mask->begin(); |
96 | if (i == mask->end()) { |
97 | KMP_SNPRINTFsnprintf(scan, end - scan + 1, "{<empty>}"); |
98 | while (*scan != '\0') |
99 | scan++; |
100 | KMP_ASSERT(scan <= end)((scan <= end) ? 0 : __kmp_debug_assert("scan <= end", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 100)); |
101 | return buf; |
102 | } |
103 | |
104 | KMP_SNPRINTFsnprintf(scan, end - scan + 1, "{%ld", (long)i); |
105 | while (*scan != '\0') |
106 | scan++; |
107 | i++; |
108 | for (; i != mask->end(); i = mask->next(i)) { |
109 | if (!KMP_CPU_ISSET(i, mask)(mask)->is_set(i)) { |
110 | continue; |
111 | } |
112 | |
113 | // Check for buffer overflow. A string of the form ",<n>" will have at most |
114 | // 10 characters, plus we want to leave room to print ",...}" if the set is |
115 | // too large to print for a total of 15 characters. We already left room for |
116 | // '\0' in setting end. |
117 | if (end - scan < 15) { |
118 | break; |
119 | } |
120 | KMP_SNPRINTFsnprintf(scan, end - scan + 1, ",%-ld", (long)i); |
121 | while (*scan != '\0') |
122 | scan++; |
123 | } |
124 | if (i != mask->end()) { |
125 | KMP_SNPRINTFsnprintf(scan, end - scan + 1, ",..."); |
126 | while (*scan != '\0') |
127 | scan++; |
128 | } |
129 | KMP_SNPRINTFsnprintf(scan, end - scan + 1, "}"); |
130 | while (*scan != '\0') |
131 | scan++; |
132 | KMP_ASSERT(scan <= end)((scan <= end) ? 0 : __kmp_debug_assert("scan <= end", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 132)); |
133 | return buf; |
134 | } |
135 | |
136 | void __kmp_affinity_entire_machine_mask(kmp_affin_mask_t *mask) { |
137 | KMP_CPU_ZERO(mask)(mask)->zero(); |
138 | |
139 | #if KMP_GROUP_AFFINITY0 |
140 | |
141 | if (__kmp_num_proc_groups > 1) { |
142 | int group; |
143 | KMP_DEBUG_ASSERT(__kmp_GetActiveProcessorCount != NULL)((__kmp_GetActiveProcessorCount != __null) ? 0 : __kmp_debug_assert ("__kmp_GetActiveProcessorCount != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 143)); |
144 | for (group = 0; group < __kmp_num_proc_groups; group++) { |
145 | int i; |
146 | int num = __kmp_GetActiveProcessorCount(group); |
147 | for (i = 0; i < num; i++) { |
148 | KMP_CPU_SET(i + group * (CHAR_BIT * sizeof(DWORD_PTR)), mask)(mask)->set(i + group * (8 * sizeof(DWORD_PTR))); |
149 | } |
150 | } |
151 | } else |
152 | |
153 | #endif /* KMP_GROUP_AFFINITY */ |
154 | |
155 | { |
156 | int proc; |
157 | for (proc = 0; proc < __kmp_xproc; proc++) { |
158 | KMP_CPU_SET(proc, mask)(mask)->set(proc); |
159 | } |
160 | } |
161 | } |
162 | |
163 | // When sorting by labels, __kmp_affinity_assign_child_nums() must first be |
164 | // called to renumber the labels from [0..n] and place them into the child_num |
165 | // vector of the address object. This is done in case the labels used for |
166 | // the children at one node of the hierarchy differ from those used for |
167 | // another node at the same level. Example: suppose the machine has 2 nodes |
168 | // with 2 packages each. The first node contains packages 601 and 602, and |
169 | // second node contains packages 603 and 604. If we try to sort the table |
170 | // for "scatter" affinity, the table will still be sorted 601, 602, 603, 604 |
171 | // because we are paying attention to the labels themselves, not the ordinal |
172 | // child numbers. By using the child numbers in the sort, the result is |
173 | // {0,0}=601, {0,1}=603, {1,0}=602, {1,1}=604. |
174 | static void __kmp_affinity_assign_child_nums(AddrUnsPair *address2os, |
175 | int numAddrs) { |
176 | KMP_DEBUG_ASSERT(numAddrs > 0)((numAddrs > 0) ? 0 : __kmp_debug_assert("numAddrs > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 176)); |
177 | int depth = address2os->first.depth; |
178 | unsigned *counts = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 178); |
179 | unsigned *lastLabel = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 179); |
180 | int labCt; |
181 | for (labCt = 0; labCt < depth; labCt++) { |
182 | address2os[0].first.childNums[labCt] = counts[labCt] = 0; |
183 | lastLabel[labCt] = address2os[0].first.labels[labCt]; |
184 | } |
185 | int i; |
186 | for (i = 1; i < numAddrs; i++) { |
187 | for (labCt = 0; labCt < depth; labCt++) { |
188 | if (address2os[i].first.labels[labCt] != lastLabel[labCt]) { |
189 | int labCt2; |
190 | for (labCt2 = labCt + 1; labCt2 < depth; labCt2++) { |
191 | counts[labCt2] = 0; |
192 | lastLabel[labCt2] = address2os[i].first.labels[labCt2]; |
193 | } |
194 | counts[labCt]++; |
195 | lastLabel[labCt] = address2os[i].first.labels[labCt]; |
196 | break; |
197 | } |
198 | } |
199 | for (labCt = 0; labCt < depth; labCt++) { |
200 | address2os[i].first.childNums[labCt] = counts[labCt]; |
201 | } |
202 | for (; labCt < (int)Address::maxDepth; labCt++) { |
203 | address2os[i].first.childNums[labCt] = 0; |
204 | } |
205 | } |
206 | __kmp_free(lastLabel)___kmp_free((lastLabel), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 206); |
207 | __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 207); |
208 | } |
209 | |
210 | // All of the __kmp_affinity_create_*_map() routines should set |
211 | // __kmp_affinity_masks to a vector of affinity mask objects of length |
212 | // __kmp_affinity_num_masks, if __kmp_affinity_type != affinity_none, and return |
213 | // the number of levels in the machine topology tree (zero if |
214 | // __kmp_affinity_type == affinity_none). |
215 | // |
216 | // All of the __kmp_affinity_create_*_map() routines should set |
217 | // *__kmp_affin_fullMask to the affinity mask for the initialization thread. |
218 | // They need to save and restore the mask, and it could be needed later, so |
219 | // saving it is just an optimization to avoid calling kmp_get_system_affinity() |
220 | // again. |
221 | kmp_affin_mask_t *__kmp_affin_fullMask = NULL__null; |
222 | |
223 | static int nCoresPerPkg, nPackages; |
224 | static int __kmp_nThreadsPerCore; |
225 | #ifndef KMP_DFLT_NTH_CORES |
226 | static int __kmp_ncores; |
227 | #endif |
228 | static int *__kmp_pu_os_idx = NULL__null; |
229 | |
230 | // __kmp_affinity_uniform_topology() doesn't work when called from |
231 | // places which support arbitrarily many levels in the machine topology |
232 | // map, i.e. the non-default cases in __kmp_affinity_create_cpuinfo_map() |
233 | // __kmp_affinity_create_x2apicid_map(). |
234 | inline static bool __kmp_affinity_uniform_topology() { |
235 | return __kmp_avail_proc == (__kmp_nThreadsPerCore * nCoresPerPkg * nPackages); |
236 | } |
237 | |
238 | // Print out the detailed machine topology map, i.e. the physical locations |
239 | // of each OS proc. |
240 | static void __kmp_affinity_print_topology(AddrUnsPair *address2os, int len, |
241 | int depth, int pkgLevel, |
242 | int coreLevel, int threadLevel) { |
243 | int proc; |
244 | |
245 | KMP_INFORM(OSProcToPhysicalThreadMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcToPhysicalThreadMap , "KMP_AFFINITY"), __kmp_msg_null); |
246 | for (proc = 0; proc < len; proc++) { |
247 | int level; |
248 | kmp_str_buf_t buf; |
249 | __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size = sizeof((&buf)->bulk); (&buf)->used = 0; (& buf)->bulk[0] = 0; }; |
250 | for (level = 0; level < depth; level++) { |
251 | if (level == threadLevel) { |
252 | __kmp_str_buf_print(&buf, "%s ", KMP_I18N_STR(Thread)__kmp_i18n_catgets(kmp_i18n_str_Thread)); |
253 | } else if (level == coreLevel) { |
254 | __kmp_str_buf_print(&buf, "%s ", KMP_I18N_STR(Core)__kmp_i18n_catgets(kmp_i18n_str_Core)); |
255 | } else if (level == pkgLevel) { |
256 | __kmp_str_buf_print(&buf, "%s ", KMP_I18N_STR(Package)__kmp_i18n_catgets(kmp_i18n_str_Package)); |
257 | } else if (level > pkgLevel) { |
258 | __kmp_str_buf_print(&buf, "%s_%d ", KMP_I18N_STR(Node)__kmp_i18n_catgets(kmp_i18n_str_Node), |
259 | level - pkgLevel - 1); |
260 | } else { |
261 | __kmp_str_buf_print(&buf, "L%d ", level); |
262 | } |
263 | __kmp_str_buf_print(&buf, "%d ", address2os[proc].first.labels[level]); |
264 | } |
265 | KMP_INFORM(OSProcMapToPack, "KMP_AFFINITY", address2os[proc].second,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcMapToPack , "KMP_AFFINITY", address2os[proc].second, buf.str), __kmp_msg_null ) |
266 | buf.str)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcMapToPack , "KMP_AFFINITY", address2os[proc].second, buf.str), __kmp_msg_null ); |
267 | __kmp_str_buf_free(&buf); |
268 | } |
269 | } |
270 | |
271 | #if KMP_USE_HWLOC0 |
272 | |
273 | static void __kmp_affinity_print_hwloc_tp(AddrUnsPair *addrP, int len, |
274 | int depth, int *levels) { |
275 | int proc; |
276 | kmp_str_buf_t buf; |
277 | __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size = sizeof((&buf)->bulk); (&buf)->used = 0; (& buf)->bulk[0] = 0; }; |
278 | KMP_INFORM(OSProcToPhysicalThreadMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcToPhysicalThreadMap , "KMP_AFFINITY"), __kmp_msg_null); |
279 | for (proc = 0; proc < len; proc++) { |
280 | __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Package)__kmp_i18n_catgets(kmp_i18n_str_Package), |
281 | addrP[proc].first.labels[0]); |
282 | if (depth > 1) { |
283 | int level = 1; // iterate over levels |
284 | int label = 1; // iterate over labels |
285 | if (__kmp_numa_detected) |
286 | // node level follows package |
287 | if (levels[level++] > 0) |
288 | __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Node)__kmp_i18n_catgets(kmp_i18n_str_Node), |
289 | addrP[proc].first.labels[label++]); |
290 | if (__kmp_tile_depth > 0) |
291 | // tile level follows node if any, or package |
292 | if (levels[level++] > 0) |
293 | __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Tile)__kmp_i18n_catgets(kmp_i18n_str_Tile), |
294 | addrP[proc].first.labels[label++]); |
295 | if (levels[level++] > 0) |
296 | // core level follows |
297 | __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Core)__kmp_i18n_catgets(kmp_i18n_str_Core), |
298 | addrP[proc].first.labels[label++]); |
299 | if (levels[level++] > 0) |
300 | // thread level is the latest |
301 | __kmp_str_buf_print(&buf, "%s %d ", KMP_I18N_STR(Thread)__kmp_i18n_catgets(kmp_i18n_str_Thread), |
302 | addrP[proc].first.labels[label++]); |
303 | KMP_DEBUG_ASSERT(label == depth)((label == depth) ? 0 : __kmp_debug_assert("label == depth", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 303)); |
304 | } |
305 | KMP_INFORM(OSProcMapToPack, "KMP_AFFINITY", addrP[proc].second, buf.str)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcMapToPack , "KMP_AFFINITY", addrP[proc].second, buf.str), __kmp_msg_null ); |
306 | __kmp_str_buf_clear(&buf); |
307 | } |
308 | __kmp_str_buf_free(&buf); |
309 | } |
310 | |
311 | static int nNodePerPkg, nTilePerPkg, nTilePerNode, nCorePerNode, nCorePerTile; |
312 | |
313 | // This function removes the topology levels that are radix 1 and don't offer |
314 | // further information about the topology. The most common example is when you |
315 | // have one thread context per core, we don't want the extra thread context |
316 | // level if it offers no unique labels. So they are removed. |
317 | // return value: the new depth of address2os |
318 | static int __kmp_affinity_remove_radix_one_levels(AddrUnsPair *addrP, int nTh, |
319 | int depth, int *levels) { |
320 | int level; |
321 | int i; |
322 | int radix1_detected; |
323 | int new_depth = depth; |
324 | for (level = depth - 1; level > 0; --level) { |
325 | // Detect if this level is radix 1 |
326 | radix1_detected = 1; |
327 | for (i = 1; i < nTh; ++i) { |
328 | if (addrP[0].first.labels[level] != addrP[i].first.labels[level]) { |
329 | // There are differing label values for this level so it stays |
330 | radix1_detected = 0; |
331 | break; |
332 | } |
333 | } |
334 | if (!radix1_detected) |
335 | continue; |
336 | // Radix 1 was detected |
337 | --new_depth; |
338 | levels[level] = -1; // mark level as not present in address2os array |
339 | if (level == new_depth) { |
340 | // "turn off" deepest level, just decrement the depth that removes |
341 | // the level from address2os array |
342 | for (i = 0; i < nTh; ++i) { |
343 | addrP[i].first.depth--; |
344 | } |
345 | } else { |
346 | // For other levels, we move labels over and also reduce the depth |
347 | int j; |
348 | for (j = level; j < new_depth; ++j) { |
349 | for (i = 0; i < nTh; ++i) { |
350 | addrP[i].first.labels[j] = addrP[i].first.labels[j + 1]; |
351 | addrP[i].first.depth--; |
352 | } |
353 | levels[j + 1] -= 1; |
354 | } |
355 | } |
356 | } |
357 | return new_depth; |
358 | } |
359 | |
360 | // Returns the number of objects of type 'type' below 'obj' within the topology |
361 | // tree structure. e.g., if obj is a HWLOC_OBJ_PACKAGE object, and type is |
362 | // HWLOC_OBJ_PU, then this will return the number of PU's under the SOCKET |
363 | // object. |
364 | static int __kmp_hwloc_get_nobjs_under_obj(hwloc_obj_t obj, |
365 | hwloc_obj_type_t type) { |
366 | int retval = 0; |
367 | hwloc_obj_t first; |
368 | for (first = hwloc_get_obj_below_by_type(__kmp_hwloc_topology, obj->type, |
369 | obj->logical_index, type, 0); |
370 | first != NULL__null && |
371 | hwloc_get_ancestor_obj_by_type(__kmp_hwloc_topology, obj->type, first) == |
372 | obj; |
373 | first = hwloc_get_next_obj_by_type(__kmp_hwloc_topology, first->type, |
374 | first)) { |
375 | ++retval; |
376 | } |
377 | return retval; |
378 | } |
379 | |
380 | static int __kmp_hwloc_count_children_by_depth(hwloc_topology_t t, |
381 | hwloc_obj_t o, unsigned depth, |
382 | hwloc_obj_t *f) { |
383 | if (o->depth == depth) { |
384 | if (*f == NULL__null) |
385 | *f = o; // output first descendant found |
386 | return 1; |
387 | } |
388 | int sum = 0; |
389 | for (unsigned i = 0; i < o->arity; i++) |
390 | sum += __kmp_hwloc_count_children_by_depth(t, o->children[i], depth, f); |
391 | return sum; // will be 0 if no one found (as PU arity is 0) |
392 | } |
393 | |
394 | static int __kmp_hwloc_count_children_by_type(hwloc_topology_t t, hwloc_obj_t o, |
395 | hwloc_obj_type_t type, |
396 | hwloc_obj_t *f) { |
397 | if (!hwloc_compare_types(o->type, type)) { |
398 | if (*f == NULL__null) |
399 | *f = o; // output first descendant found |
400 | return 1; |
401 | } |
402 | int sum = 0; |
403 | for (unsigned i = 0; i < o->arity; i++) |
404 | sum += __kmp_hwloc_count_children_by_type(t, o->children[i], type, f); |
405 | return sum; // will be 0 if no one found (as PU arity is 0) |
406 | } |
407 | |
408 | static int __kmp_hwloc_process_obj_core_pu(AddrUnsPair *addrPair, |
409 | int &nActiveThreads, |
410 | int &num_active_cores, |
411 | hwloc_obj_t obj, int depth, |
412 | int *labels) { |
413 | hwloc_obj_t core = NULL__null; |
414 | hwloc_topology_t &tp = __kmp_hwloc_topology; |
415 | int NC = __kmp_hwloc_count_children_by_type(tp, obj, HWLOC_OBJ_CORE, &core); |
416 | for (int core_id = 0; core_id < NC; ++core_id, core = core->next_cousin) { |
417 | hwloc_obj_t pu = NULL__null; |
418 | KMP_DEBUG_ASSERT(core != NULL)((core != __null) ? 0 : __kmp_debug_assert("core != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 418)); |
419 | int num_active_threads = 0; |
420 | int NT = __kmp_hwloc_count_children_by_type(tp, core, HWLOC_OBJ_PU, &pu); |
421 | // int NT = core->arity; pu = core->first_child; // faster? |
422 | for (int pu_id = 0; pu_id < NT; ++pu_id, pu = pu->next_cousin) { |
423 | KMP_DEBUG_ASSERT(pu != NULL)((pu != __null) ? 0 : __kmp_debug_assert("pu != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 423)); |
424 | if (!KMP_CPU_ISSET(pu->os_index, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(pu->os_index)) |
425 | continue; // skip inactive (inaccessible) unit |
426 | Address addr(depth + 2); |
427 | KA_TRACE(20, ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n" , obj->os_index, obj->logical_index, core->os_index, core->logical_index, pu->os_index, pu->logical_index ); } |
428 | obj->os_index, obj->logical_index, core->os_index,if (kmp_a_debug >= 20) { __kmp_debug_printf ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n" , obj->os_index, obj->logical_index, core->os_index, core->logical_index, pu->os_index, pu->logical_index ); } |
429 | core->logical_index, pu->os_index, pu->logical_index))if (kmp_a_debug >= 20) { __kmp_debug_printf ("Hwloc inserting %d (%d) %d (%d) %d (%d) into address2os\n" , obj->os_index, obj->logical_index, core->os_index, core->logical_index, pu->os_index, pu->logical_index ); }; |
430 | for (int i = 0; i < depth; ++i) |
431 | addr.labels[i] = labels[i]; // package, etc. |
432 | addr.labels[depth] = core_id; // core |
433 | addr.labels[depth + 1] = pu_id; // pu |
434 | addrPair[nActiveThreads] = AddrUnsPair(addr, pu->os_index); |
435 | __kmp_pu_os_idx[nActiveThreads] = pu->os_index; |
436 | nActiveThreads++; |
437 | ++num_active_threads; // count active threads per core |
438 | } |
439 | if (num_active_threads) { // were there any active threads on the core? |
440 | ++__kmp_ncores; // count total active cores |
441 | ++num_active_cores; // count active cores per socket |
442 | if (num_active_threads > __kmp_nThreadsPerCore) |
443 | __kmp_nThreadsPerCore = num_active_threads; // calc maximum |
444 | } |
445 | } |
446 | return 0; |
447 | } |
448 | |
449 | // Check if NUMA node detected below the package, |
450 | // and if tile object is detected and return its depth |
451 | static int __kmp_hwloc_check_numa() { |
452 | hwloc_topology_t &tp = __kmp_hwloc_topology; |
453 | hwloc_obj_t hT, hC, hL, hN, hS; // hwloc objects (pointers to) |
454 | int depth; |
455 | |
456 | // Get some PU |
457 | hT = hwloc_get_obj_by_type(tp, HWLOC_OBJ_PU, 0); |
458 | if (hT == NULL__null) // something has gone wrong |
459 | return 1; |
460 | |
461 | // check NUMA node below PACKAGE |
462 | hN = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hT); |
463 | hS = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_PACKAGE, hT); |
464 | KMP_DEBUG_ASSERT(hS != NULL)((hS != __null) ? 0 : __kmp_debug_assert("hS != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 464)); |
465 | if (hN != NULL__null && hN->depth > hS->depth) { |
466 | __kmp_numa_detected = TRUE(!0); // socket includes node(s) |
467 | if (__kmp_affinity_gran == affinity_gran_node) { |
468 | __kmp_affinity_gran == affinity_gran_numa; |
469 | } |
470 | } |
471 | |
472 | // check tile, get object by depth because of multiple caches possible |
473 | depth = hwloc_get_cache_type_depth(tp, 2, HWLOC_OBJ_CACHE_UNIFIED); |
474 | hL = hwloc_get_ancestor_obj_by_depth(tp, depth, hT); |
475 | hC = NULL__null; // not used, but reset it here just in case |
476 | if (hL != NULL__null && |
477 | __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, &hC) > 1) |
478 | __kmp_tile_depth = depth; // tile consists of multiple cores |
479 | return 0; |
480 | } |
481 | |
482 | static int __kmp_affinity_create_hwloc_map(AddrUnsPair **address2os, |
483 | kmp_i18n_id_t *const msg_id) { |
484 | hwloc_topology_t &tp = __kmp_hwloc_topology; // shortcut of a long name |
485 | *address2os = NULL__null; |
486 | *msg_id = kmp_i18n_null; |
487 | |
488 | // Save the affinity mask for the current thread. |
489 | kmp_affin_mask_t *oldMask; |
490 | KMP_CPU_ALLOC(oldMask)(oldMask = __kmp_affinity_dispatch->allocate_mask()); |
491 | __kmp_get_system_affinity(oldMask, TRUE)(oldMask)->get_system_affinity((!0)); |
492 | __kmp_hwloc_check_numa(); |
493 | |
494 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
495 | // Hack to try and infer the machine topology using only the data |
496 | // available from cpuid on the current thread, and __kmp_xproc. |
497 | KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert ("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 497)); |
498 | |
499 | nCoresPerPkg = __kmp_hwloc_get_nobjs_under_obj( |
500 | hwloc_get_obj_by_type(tp, HWLOC_OBJ_PACKAGE, 0), HWLOC_OBJ_CORE); |
501 | __kmp_nThreadsPerCore = __kmp_hwloc_get_nobjs_under_obj( |
502 | hwloc_get_obj_by_type(tp, HWLOC_OBJ_CORE, 0), HWLOC_OBJ_PU); |
503 | __kmp_ncores = __kmp_xproc / __kmp_nThreadsPerCore; |
504 | nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg; |
505 | if (__kmp_affinity_verbose) { |
506 | KMP_INFORM(AffNotCapableUseLocCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseLocCpuidL11 , "KMP_AFFINITY"), __kmp_msg_null); |
507 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
508 | if (__kmp_affinity_uniform_topology()) { |
509 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
510 | } else { |
511 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
512 | } |
513 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
514 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
515 | } |
516 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
517 | return 0; |
518 | } |
519 | |
520 | int depth = 3; |
521 | int levels[5] = {0, 1, 2, 3, 4}; // package, [node,] [tile,] core, thread |
522 | int labels[3] = {0}; // package [,node] [,tile] - head of lables array |
523 | if (__kmp_numa_detected) |
524 | ++depth; |
525 | if (__kmp_tile_depth) |
526 | ++depth; |
527 | |
528 | // Allocate the data structure to be returned. |
529 | AddrUnsPair *retval = |
530 | (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * __kmp_avail_proc)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 530); |
531 | KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 531)); |
532 | __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 532); |
533 | |
534 | // When affinity is off, this routine will still be called to set |
535 | // __kmp_ncores, as well as __kmp_nThreadsPerCore, |
536 | // nCoresPerPkg, & nPackages. Make sure all these vars are set |
537 | // correctly, and return if affinity is not enabled. |
538 | |
539 | hwloc_obj_t socket, node, tile; |
540 | int nActiveThreads = 0; |
541 | int socket_id = 0; |
542 | // re-calculate globals to count only accessible resources |
543 | __kmp_ncores = nPackages = nCoresPerPkg = __kmp_nThreadsPerCore = 0; |
544 | nNodePerPkg = nTilePerPkg = nTilePerNode = nCorePerNode = nCorePerTile = 0; |
545 | for (socket = hwloc_get_obj_by_type(tp, HWLOC_OBJ_PACKAGE, 0); socket != NULL__null; |
546 | socket = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PACKAGE, socket), |
547 | socket_id++) { |
548 | labels[0] = socket_id; |
549 | if (__kmp_numa_detected) { |
550 | int NN; |
551 | int n_active_nodes = 0; |
552 | node = NULL__null; |
553 | NN = __kmp_hwloc_count_children_by_type(tp, socket, HWLOC_OBJ_NUMANODE, |
554 | &node); |
555 | for (int node_id = 0; node_id < NN; ++node_id, node = node->next_cousin) { |
556 | labels[1] = node_id; |
557 | if (__kmp_tile_depth) { |
558 | // NUMA + tiles |
559 | int NT; |
560 | int n_active_tiles = 0; |
561 | tile = NULL__null; |
562 | NT = __kmp_hwloc_count_children_by_depth(tp, node, __kmp_tile_depth, |
563 | &tile); |
564 | for (int tl_id = 0; tl_id < NT; ++tl_id, tile = tile->next_cousin) { |
565 | labels[2] = tl_id; |
566 | int n_active_cores = 0; |
567 | __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads, |
568 | n_active_cores, tile, 3, labels); |
569 | if (n_active_cores) { // were there any active cores on the socket? |
570 | ++n_active_tiles; // count active tiles per node |
571 | if (n_active_cores > nCorePerTile) |
572 | nCorePerTile = n_active_cores; // calc maximum |
573 | } |
574 | } |
575 | if (n_active_tiles) { // were there any active tiles on the socket? |
576 | ++n_active_nodes; // count active nodes per package |
577 | if (n_active_tiles > nTilePerNode) |
578 | nTilePerNode = n_active_tiles; // calc maximum |
579 | } |
580 | } else { |
581 | // NUMA, no tiles |
582 | int n_active_cores = 0; |
583 | __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads, |
584 | n_active_cores, node, 2, labels); |
585 | if (n_active_cores) { // were there any active cores on the socket? |
586 | ++n_active_nodes; // count active nodes per package |
587 | if (n_active_cores > nCorePerNode) |
588 | nCorePerNode = n_active_cores; // calc maximum |
589 | } |
590 | } |
591 | } |
592 | if (n_active_nodes) { // were there any active nodes on the socket? |
593 | ++nPackages; // count total active packages |
594 | if (n_active_nodes > nNodePerPkg) |
595 | nNodePerPkg = n_active_nodes; // calc maximum |
596 | } |
597 | } else { |
598 | if (__kmp_tile_depth) { |
599 | // no NUMA, tiles |
600 | int NT; |
601 | int n_active_tiles = 0; |
602 | tile = NULL__null; |
603 | NT = __kmp_hwloc_count_children_by_depth(tp, socket, __kmp_tile_depth, |
604 | &tile); |
605 | for (int tl_id = 0; tl_id < NT; ++tl_id, tile = tile->next_cousin) { |
606 | labels[1] = tl_id; |
607 | int n_active_cores = 0; |
608 | __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads, |
609 | n_active_cores, tile, 2, labels); |
610 | if (n_active_cores) { // were there any active cores on the socket? |
611 | ++n_active_tiles; // count active tiles per package |
612 | if (n_active_cores > nCorePerTile) |
613 | nCorePerTile = n_active_cores; // calc maximum |
614 | } |
615 | } |
616 | if (n_active_tiles) { // were there any active tiles on the socket? |
617 | ++nPackages; // count total active packages |
618 | if (n_active_tiles > nTilePerPkg) |
619 | nTilePerPkg = n_active_tiles; // calc maximum |
620 | } |
621 | } else { |
622 | // no NUMA, no tiles |
623 | int n_active_cores = 0; |
624 | __kmp_hwloc_process_obj_core_pu(retval, nActiveThreads, n_active_cores, |
625 | socket, 1, labels); |
626 | if (n_active_cores) { // were there any active cores on the socket? |
627 | ++nPackages; // count total active packages |
628 | if (n_active_cores > nCoresPerPkg) |
629 | nCoresPerPkg = n_active_cores; // calc maximum |
630 | } |
631 | } |
632 | } |
633 | } |
634 | |
635 | // If there's only one thread context to bind to, return now. |
636 | KMP_DEBUG_ASSERT(nActiveThreads == __kmp_avail_proc)((nActiveThreads == __kmp_avail_proc) ? 0 : __kmp_debug_assert ("nActiveThreads == __kmp_avail_proc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 636)); |
637 | KMP_ASSERT(nActiveThreads > 0)((nActiveThreads > 0) ? 0 : __kmp_debug_assert("nActiveThreads > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 637)); |
638 | if (nActiveThreads == 1) { |
639 | __kmp_ncores = nPackages = 1; |
640 | __kmp_nThreadsPerCore = nCoresPerPkg = 1; |
641 | if (__kmp_affinity_verbose) { |
642 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
643 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask); |
644 | |
645 | KMP_INFORM(AffUsingHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingHwloc , "KMP_AFFINITY"), __kmp_msg_null); |
646 | if (__kmp_affinity_respect_mask) { |
647 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
648 | } else { |
649 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
650 | } |
651 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
652 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
653 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
654 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
655 | } |
656 | |
657 | if (__kmp_affinity_type == affinity_none) { |
658 | __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 658); |
659 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
660 | return 0; |
661 | } |
662 | |
663 | // Form an Address object which only includes the package level. |
664 | Address addr(1); |
665 | addr.labels[0] = retval[0].first.labels[0]; |
666 | retval[0].first = addr; |
667 | |
668 | if (__kmp_affinity_gran_levels < 0) { |
669 | __kmp_affinity_gran_levels = 0; |
670 | } |
671 | |
672 | if (__kmp_affinity_verbose) { |
673 | __kmp_affinity_print_topology(retval, 1, 1, 0, -1, -1); |
674 | } |
675 | |
676 | *address2os = retval; |
677 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
678 | return 1; |
679 | } |
680 | |
681 | // Sort the table by physical Id. |
682 | qsort(retval, nActiveThreads, sizeof(*retval), |
683 | __kmp_affinity_cmp_Address_labels); |
684 | |
685 | // Check to see if the machine topology is uniform |
686 | int nPUs = nPackages * __kmp_nThreadsPerCore; |
687 | if (__kmp_numa_detected) { |
688 | if (__kmp_tile_depth) { // NUMA + tiles |
689 | nPUs *= (nNodePerPkg * nTilePerNode * nCorePerTile); |
690 | } else { // NUMA, no tiles |
691 | nPUs *= (nNodePerPkg * nCorePerNode); |
692 | } |
693 | } else { |
694 | if (__kmp_tile_depth) { // no NUMA, tiles |
695 | nPUs *= (nTilePerPkg * nCorePerTile); |
696 | } else { // no NUMA, no tiles |
697 | nPUs *= nCoresPerPkg; |
698 | } |
699 | } |
700 | unsigned uniform = (nPUs == nActiveThreads); |
701 | |
702 | // Print the machine topology summary. |
703 | if (__kmp_affinity_verbose) { |
704 | char mask[KMP_AFFIN_MASK_PRINT_LEN1024]; |
705 | __kmp_affinity_print_mask(mask, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask); |
706 | if (__kmp_affinity_respect_mask) { |
707 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", mask), __kmp_msg_null); |
708 | } else { |
709 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", mask), __kmp_msg_null); |
710 | } |
711 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
712 | if (uniform) { |
713 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
714 | } else { |
715 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
716 | } |
717 | if (__kmp_numa_detected) { |
718 | if (__kmp_tile_depth) { // NUMA + tiles |
719 | KMP_INFORM(TopologyExtraNoTi, "KMP_AFFINITY", nPackages, nNodePerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNoTi , "KMP_AFFINITY", nPackages, nNodePerPkg, nTilePerNode, nCorePerTile , __kmp_nThreadsPerCore, __kmp_ncores), __kmp_msg_null) |
720 | nTilePerNode, nCorePerTile, __kmp_nThreadsPerCore,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNoTi , "KMP_AFFINITY", nPackages, nNodePerPkg, nTilePerNode, nCorePerTile , __kmp_nThreadsPerCore, __kmp_ncores), __kmp_msg_null) |
721 | __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNoTi , "KMP_AFFINITY", nPackages, nNodePerPkg, nTilePerNode, nCorePerTile , __kmp_nThreadsPerCore, __kmp_ncores), __kmp_msg_null); |
722 | } else { // NUMA, no tiles |
723 | KMP_INFORM(TopologyExtraNode, "KMP_AFFINITY", nPackages, nNodePerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNode , "KMP_AFFINITY", nPackages, nNodePerPkg, nCorePerNode, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
724 | nCorePerNode, __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraNode , "KMP_AFFINITY", nPackages, nNodePerPkg, nCorePerNode, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
725 | nPUs *= (nNodePerPkg * nCorePerNode); |
726 | } |
727 | } else { |
728 | if (__kmp_tile_depth) { // no NUMA, tiles |
729 | KMP_INFORM(TopologyExtraTile, "KMP_AFFINITY", nPackages, nTilePerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraTile , "KMP_AFFINITY", nPackages, nTilePerPkg, nCorePerTile, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
730 | nCorePerTile, __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtraTile , "KMP_AFFINITY", nPackages, nTilePerPkg, nCorePerTile, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
731 | } else { // no NUMA, no tiles |
732 | kmp_str_buf_t buf; |
733 | __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size = sizeof((&buf)->bulk); (&buf)->used = 0; (& buf)->bulk[0] = 0; }; |
734 | __kmp_str_buf_print(&buf, "%d", nPackages); |
735 | KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
736 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
737 | __kmp_str_buf_free(&buf); |
738 | } |
739 | } |
740 | } |
741 | |
742 | if (__kmp_affinity_type == affinity_none) { |
743 | __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 743); |
744 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
745 | return 0; |
746 | } |
747 | |
748 | int depth_full = depth; // number of levels before compressing |
749 | // Find any levels with radiix 1, and remove them from the map |
750 | // (except for the package level). |
751 | depth = __kmp_affinity_remove_radix_one_levels(retval, nActiveThreads, depth, |
752 | levels); |
753 | KMP_DEBUG_ASSERT(__kmp_affinity_gran != affinity_gran_default)((__kmp_affinity_gran != affinity_gran_default) ? 0 : __kmp_debug_assert ("__kmp_affinity_gran != affinity_gran_default", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 753)); |
754 | if (__kmp_affinity_gran_levels < 0) { |
755 | // Set the granularity level based on what levels are modeled |
756 | // in the machine topology map. |
757 | __kmp_affinity_gran_levels = 0; // lowest level (e.g. fine) |
758 | if (__kmp_affinity_gran > affinity_gran_thread) { |
759 | for (int i = 1; i <= depth_full; ++i) { |
760 | if (__kmp_affinity_gran <= i) // only count deeper levels |
761 | break; |
762 | if (levels[depth_full - i] > 0) |
763 | __kmp_affinity_gran_levels++; |
764 | } |
765 | } |
766 | if (__kmp_affinity_gran > affinity_gran_package) |
767 | __kmp_affinity_gran_levels++; // e.g. granularity = group |
768 | } |
769 | |
770 | if (__kmp_affinity_verbose) |
771 | __kmp_affinity_print_hwloc_tp(retval, nActiveThreads, depth, levels); |
772 | |
773 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
774 | *address2os = retval; |
775 | return depth; |
776 | } |
777 | #endif // KMP_USE_HWLOC |
778 | |
779 | // If we don't know how to retrieve the machine's processor topology, or |
780 | // encounter an error in doing so, this routine is called to form a "flat" |
781 | // mapping of os thread id's <-> processor id's. |
782 | static int __kmp_affinity_create_flat_map(AddrUnsPair **address2os, |
783 | kmp_i18n_id_t *const msg_id) { |
784 | *address2os = NULL__null; |
785 | *msg_id = kmp_i18n_null; |
786 | |
787 | // Even if __kmp_affinity_type == affinity_none, this routine might still |
788 | // called to set __kmp_ncores, as well as |
789 | // __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages. |
790 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
791 | KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert ("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 791)); |
792 | __kmp_ncores = nPackages = __kmp_xproc; |
793 | __kmp_nThreadsPerCore = nCoresPerPkg = 1; |
794 | if (__kmp_affinity_verbose) { |
795 | KMP_INFORM(AffFlatTopology, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffFlatTopology , "KMP_AFFINITY"), __kmp_msg_null); |
796 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
797 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
798 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
799 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
800 | } |
801 | return 0; |
802 | } |
803 | |
804 | // When affinity is off, this routine will still be called to set |
805 | // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages. |
806 | // Make sure all these vars are set correctly, and return now if affinity is |
807 | // not enabled. |
808 | __kmp_ncores = nPackages = __kmp_avail_proc; |
809 | __kmp_nThreadsPerCore = nCoresPerPkg = 1; |
810 | if (__kmp_affinity_verbose) { |
811 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
812 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, |
813 | __kmp_affin_fullMask); |
814 | |
815 | KMP_INFORM(AffCapableUseFlat, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffCapableUseFlat , "KMP_AFFINITY"), __kmp_msg_null); |
816 | if (__kmp_affinity_respect_mask) { |
817 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
818 | } else { |
819 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
820 | } |
821 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
822 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
823 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
824 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
825 | } |
826 | KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 826)); |
827 | __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 827); |
828 | if (__kmp_affinity_type == affinity_none) { |
829 | int avail_ct = 0; |
830 | int i; |
831 | KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask )->end(); i = (__kmp_affin_fullMask)->next(i)) { |
832 | if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) |
833 | continue; |
834 | __kmp_pu_os_idx[avail_ct++] = i; // suppose indices are flat |
835 | } |
836 | return 0; |
837 | } |
838 | |
839 | // Contruct the data structure to be returned. |
840 | *address2os = |
841 | (AddrUnsPair *)__kmp_allocate(sizeof(**address2os) * __kmp_avail_proc)___kmp_allocate((sizeof(**address2os) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 841); |
842 | int avail_ct = 0; |
843 | unsigned int i; |
844 | KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask )->end(); i = (__kmp_affin_fullMask)->next(i)) { |
845 | // Skip this proc if it is not included in the machine model. |
846 | if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) { |
847 | continue; |
848 | } |
849 | __kmp_pu_os_idx[avail_ct] = i; // suppose indices are flat |
850 | Address addr(1); |
851 | addr.labels[0] = i; |
852 | (*address2os)[avail_ct++] = AddrUnsPair(addr, i); |
853 | } |
854 | if (__kmp_affinity_verbose) { |
855 | KMP_INFORM(OSProcToPackage, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_OSProcToPackage , "KMP_AFFINITY"), __kmp_msg_null); |
856 | } |
857 | |
858 | if (__kmp_affinity_gran_levels < 0) { |
859 | // Only the package level is modeled in the machine topology map, |
860 | // so the #levels of granularity is either 0 or 1. |
861 | if (__kmp_affinity_gran > affinity_gran_package) { |
862 | __kmp_affinity_gran_levels = 1; |
863 | } else { |
864 | __kmp_affinity_gran_levels = 0; |
865 | } |
866 | } |
867 | return 1; |
868 | } |
869 | |
870 | #if KMP_GROUP_AFFINITY0 |
871 | |
872 | // If multiple Windows* OS processor groups exist, we can create a 2-level |
873 | // topology map with the groups at level 0 and the individual procs at level 1. |
874 | // This facilitates letting the threads float among all procs in a group, |
875 | // if granularity=group (the default when there are multiple groups). |
876 | static int __kmp_affinity_create_proc_group_map(AddrUnsPair **address2os, |
877 | kmp_i18n_id_t *const msg_id) { |
878 | *address2os = NULL__null; |
879 | *msg_id = kmp_i18n_null; |
880 | |
881 | // If we aren't affinity capable, then return now. |
882 | // The flat mapping will be used. |
883 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
884 | // FIXME set *msg_id |
885 | return -1; |
886 | } |
887 | |
888 | // Contruct the data structure to be returned. |
889 | *address2os = |
890 | (AddrUnsPair *)__kmp_allocate(sizeof(**address2os) * __kmp_avail_proc)___kmp_allocate((sizeof(**address2os) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 890); |
891 | KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 891)); |
892 | __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 892); |
893 | int avail_ct = 0; |
894 | int i; |
895 | KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask )->end(); i = (__kmp_affin_fullMask)->next(i)) { |
896 | // Skip this proc if it is not included in the machine model. |
897 | if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) { |
898 | continue; |
899 | } |
900 | __kmp_pu_os_idx[avail_ct] = i; // suppose indices are flat |
901 | Address addr(2); |
902 | addr.labels[0] = i / (CHAR_BIT8 * sizeof(DWORD_PTR)); |
903 | addr.labels[1] = i % (CHAR_BIT8 * sizeof(DWORD_PTR)); |
904 | (*address2os)[avail_ct++] = AddrUnsPair(addr, i); |
905 | |
906 | if (__kmp_affinity_verbose) { |
907 | KMP_INFORM(AffOSProcToGroup, "KMP_AFFINITY", i, addr.labels[0],__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffOSProcToGroup , "KMP_AFFINITY", i, addr.labels[0], addr.labels[1]), __kmp_msg_null ) |
908 | addr.labels[1])__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffOSProcToGroup , "KMP_AFFINITY", i, addr.labels[0], addr.labels[1]), __kmp_msg_null ); |
909 | } |
910 | } |
911 | |
912 | if (__kmp_affinity_gran_levels < 0) { |
913 | if (__kmp_affinity_gran == affinity_gran_group) { |
914 | __kmp_affinity_gran_levels = 1; |
915 | } else if ((__kmp_affinity_gran == affinity_gran_fine) || |
916 | (__kmp_affinity_gran == affinity_gran_thread)) { |
917 | __kmp_affinity_gran_levels = 0; |
918 | } else { |
919 | const char *gran_str = NULL__null; |
920 | if (__kmp_affinity_gran == affinity_gran_core) { |
921 | gran_str = "core"; |
922 | } else if (__kmp_affinity_gran == affinity_gran_package) { |
923 | gran_str = "package"; |
924 | } else if (__kmp_affinity_gran == affinity_gran_node) { |
925 | gran_str = "node"; |
926 | } else { |
927 | KMP_ASSERT(0)((0) ? 0 : __kmp_debug_assert("0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 927)); |
928 | } |
929 | |
930 | // Warning: can't use affinity granularity \"gran\" with group topology |
931 | // method, using "thread" |
932 | __kmp_affinity_gran_levels = 0; |
933 | } |
934 | } |
935 | return 2; |
936 | } |
937 | |
938 | #endif /* KMP_GROUP_AFFINITY */ |
939 | |
940 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 |
941 | |
942 | static int __kmp_cpuid_mask_width(int count) { |
943 | int r = 0; |
944 | |
945 | while ((1 << r) < count) |
946 | ++r; |
947 | return r; |
948 | } |
949 | |
950 | class apicThreadInfo { |
951 | public: |
952 | unsigned osId; // param to __kmp_affinity_bind_thread |
953 | unsigned apicId; // from cpuid after binding |
954 | unsigned maxCoresPerPkg; // "" |
955 | unsigned maxThreadsPerPkg; // "" |
956 | unsigned pkgId; // inferred from above values |
957 | unsigned coreId; // "" |
958 | unsigned threadId; // "" |
959 | }; |
960 | |
961 | static int __kmp_affinity_cmp_apicThreadInfo_os_id(const void *a, |
962 | const void *b) { |
963 | const apicThreadInfo *aa = (const apicThreadInfo *)a; |
964 | const apicThreadInfo *bb = (const apicThreadInfo *)b; |
965 | if (aa->osId < bb->osId) |
966 | return -1; |
967 | if (aa->osId > bb->osId) |
968 | return 1; |
969 | return 0; |
970 | } |
971 | |
972 | static int __kmp_affinity_cmp_apicThreadInfo_phys_id(const void *a, |
973 | const void *b) { |
974 | const apicThreadInfo *aa = (const apicThreadInfo *)a; |
975 | const apicThreadInfo *bb = (const apicThreadInfo *)b; |
976 | if (aa->pkgId < bb->pkgId) |
977 | return -1; |
978 | if (aa->pkgId > bb->pkgId) |
979 | return 1; |
980 | if (aa->coreId < bb->coreId) |
981 | return -1; |
982 | if (aa->coreId > bb->coreId) |
983 | return 1; |
984 | if (aa->threadId < bb->threadId) |
985 | return -1; |
986 | if (aa->threadId > bb->threadId) |
987 | return 1; |
988 | return 0; |
989 | } |
990 | |
991 | // On IA-32 architecture and Intel(R) 64 architecture, we attempt to use |
992 | // an algorithm which cycles through the available os threads, setting |
993 | // the current thread's affinity mask to that thread, and then retrieves |
994 | // the Apic Id for each thread context using the cpuid instruction. |
995 | static int __kmp_affinity_create_apicid_map(AddrUnsPair **address2os, |
996 | kmp_i18n_id_t *const msg_id) { |
997 | kmp_cpuid buf; |
998 | int rc; |
999 | *address2os = NULL__null; |
1000 | *msg_id = kmp_i18n_null; |
1001 | |
1002 | // Check if cpuid leaf 4 is supported. |
1003 | __kmp_x86_cpuid(0, 0, &buf); |
1004 | if (buf.eax < 4) { |
1005 | *msg_id = kmp_i18n_str_NoLeaf4Support; |
1006 | return -1; |
1007 | } |
1008 | |
1009 | // The algorithm used starts by setting the affinity to each available thread |
1010 | // and retrieving info from the cpuid instruction, so if we are not capable of |
1011 | // calling __kmp_get_system_affinity() and _kmp_get_system_affinity(), then we |
1012 | // need to do something else - use the defaults that we calculated from |
1013 | // issuing cpuid without binding to each proc. |
1014 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
1015 | // Hack to try and infer the machine topology using only the data |
1016 | // available from cpuid on the current thread, and __kmp_xproc. |
1017 | KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert ("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1017)); |
1018 | |
1019 | // Get an upper bound on the number of threads per package using cpuid(1). |
1020 | // On some OS/chps combinations where HT is supported by the chip but is |
1021 | // disabled, this value will be 2 on a single core chip. Usually, it will be |
1022 | // 2 if HT is enabled and 1 if HT is disabled. |
1023 | __kmp_x86_cpuid(1, 0, &buf); |
1024 | int maxThreadsPerPkg = (buf.ebx >> 16) & 0xff; |
1025 | if (maxThreadsPerPkg == 0) { |
1026 | maxThreadsPerPkg = 1; |
Value stored to 'maxThreadsPerPkg' is never read | |
1027 | } |
1028 | |
1029 | // The num cores per pkg comes from cpuid(4). 1 must be added to the encoded |
1030 | // value. |
1031 | // |
1032 | // The author of cpu_count.cpp treated this only an upper bound on the |
1033 | // number of cores, but I haven't seen any cases where it was greater than |
1034 | // the actual number of cores, so we will treat it as exact in this block of |
1035 | // code. |
1036 | // |
1037 | // First, we need to check if cpuid(4) is supported on this chip. To see if |
1038 | // cpuid(n) is supported, issue cpuid(0) and check if eax has the value n or |
1039 | // greater. |
1040 | __kmp_x86_cpuid(0, 0, &buf); |
1041 | if (buf.eax >= 4) { |
1042 | __kmp_x86_cpuid(4, 0, &buf); |
1043 | nCoresPerPkg = ((buf.eax >> 26) & 0x3f) + 1; |
1044 | } else { |
1045 | nCoresPerPkg = 1; |
1046 | } |
1047 | |
1048 | // There is no way to reliably tell if HT is enabled without issuing the |
1049 | // cpuid instruction from every thread, can correlating the cpuid info, so |
1050 | // if the machine is not affinity capable, we assume that HT is off. We have |
1051 | // seen quite a few machines where maxThreadsPerPkg is 2, yet the machine |
1052 | // does not support HT. |
1053 | // |
1054 | // - Older OSes are usually found on machines with older chips, which do not |
1055 | // support HT. |
1056 | // - The performance penalty for mistakenly identifying a machine as HT when |
1057 | // it isn't (which results in blocktime being incorrecly set to 0) is |
1058 | // greater than the penalty when for mistakenly identifying a machine as |
1059 | // being 1 thread/core when it is really HT enabled (which results in |
1060 | // blocktime being incorrectly set to a positive value). |
1061 | __kmp_ncores = __kmp_xproc; |
1062 | nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg; |
1063 | __kmp_nThreadsPerCore = 1; |
1064 | if (__kmp_affinity_verbose) { |
1065 | KMP_INFORM(AffNotCapableUseLocCpuid, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseLocCpuid , "KMP_AFFINITY"), __kmp_msg_null); |
1066 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
1067 | if (__kmp_affinity_uniform_topology()) { |
1068 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
1069 | } else { |
1070 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
1071 | } |
1072 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
1073 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
1074 | } |
1075 | return 0; |
1076 | } |
1077 | |
1078 | // From here on, we can assume that it is safe to call |
1079 | // __kmp_get_system_affinity() and __kmp_set_system_affinity(), even if |
1080 | // __kmp_affinity_type = affinity_none. |
1081 | |
1082 | // Save the affinity mask for the current thread. |
1083 | kmp_affin_mask_t *oldMask; |
1084 | KMP_CPU_ALLOC(oldMask)(oldMask = __kmp_affinity_dispatch->allocate_mask()); |
1085 | KMP_ASSERT(oldMask != NULL)((oldMask != __null) ? 0 : __kmp_debug_assert("oldMask != NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1085)); |
1086 | __kmp_get_system_affinity(oldMask, TRUE)(oldMask)->get_system_affinity((!0)); |
1087 | |
1088 | // Run through each of the available contexts, binding the current thread |
1089 | // to it, and obtaining the pertinent information using the cpuid instr. |
1090 | // |
1091 | // The relevant information is: |
1092 | // - Apic Id: Bits 24:31 of ebx after issuing cpuid(1) - each thread context |
1093 | // has a uniqie Apic Id, which is of the form pkg# : core# : thread#. |
1094 | // - Max Threads Per Pkg: Bits 16:23 of ebx after issuing cpuid(1). The value |
1095 | // of this field determines the width of the core# + thread# fields in the |
1096 | // Apic Id. It is also an upper bound on the number of threads per |
1097 | // package, but it has been verified that situations happen were it is not |
1098 | // exact. In particular, on certain OS/chip combinations where Intel(R) |
1099 | // Hyper-Threading Technology is supported by the chip but has been |
1100 | // disabled, the value of this field will be 2 (for a single core chip). |
1101 | // On other OS/chip combinations supporting Intel(R) Hyper-Threading |
1102 | // Technology, the value of this field will be 1 when Intel(R) |
1103 | // Hyper-Threading Technology is disabled and 2 when it is enabled. |
1104 | // - Max Cores Per Pkg: Bits 26:31 of eax after issuing cpuid(4). The value |
1105 | // of this field (+1) determines the width of the core# field in the Apic |
1106 | // Id. The comments in "cpucount.cpp" say that this value is an upper |
1107 | // bound, but the IA-32 architecture manual says that it is exactly the |
1108 | // number of cores per package, and I haven't seen any case where it |
1109 | // wasn't. |
1110 | // |
1111 | // From this information, deduce the package Id, core Id, and thread Id, |
1112 | // and set the corresponding fields in the apicThreadInfo struct. |
1113 | unsigned i; |
1114 | apicThreadInfo *threadInfo = (apicThreadInfo *)__kmp_allocate(___kmp_allocate((__kmp_avail_proc * sizeof(apicThreadInfo)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1115) |
1115 | __kmp_avail_proc * sizeof(apicThreadInfo))___kmp_allocate((__kmp_avail_proc * sizeof(apicThreadInfo)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1115); |
1116 | unsigned nApics = 0; |
1117 | KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask )->end(); i = (__kmp_affin_fullMask)->next(i)) { |
1118 | // Skip this proc if it is not included in the machine model. |
1119 | if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) { |
1120 | continue; |
1121 | } |
1122 | KMP_DEBUG_ASSERT((int)nApics < __kmp_avail_proc)(((int)nApics < __kmp_avail_proc) ? 0 : __kmp_debug_assert ("(int)nApics < __kmp_avail_proc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1122)); |
1123 | |
1124 | __kmp_affinity_dispatch->bind_thread(i); |
1125 | threadInfo[nApics].osId = i; |
1126 | |
1127 | // The apic id and max threads per pkg come from cpuid(1). |
1128 | __kmp_x86_cpuid(1, 0, &buf); |
1129 | if (((buf.edx >> 9) & 1) == 0) { |
1130 | __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0)); |
1131 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1131); |
1132 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1133 | *msg_id = kmp_i18n_str_ApicNotPresent; |
1134 | return -1; |
1135 | } |
1136 | threadInfo[nApics].apicId = (buf.ebx >> 24) & 0xff; |
1137 | threadInfo[nApics].maxThreadsPerPkg = (buf.ebx >> 16) & 0xff; |
1138 | if (threadInfo[nApics].maxThreadsPerPkg == 0) { |
1139 | threadInfo[nApics].maxThreadsPerPkg = 1; |
1140 | } |
1141 | |
1142 | // Max cores per pkg comes from cpuid(4). 1 must be added to the encoded |
1143 | // value. |
1144 | // |
1145 | // First, we need to check if cpuid(4) is supported on this chip. To see if |
1146 | // cpuid(n) is supported, issue cpuid(0) and check if eax has the value n |
1147 | // or greater. |
1148 | __kmp_x86_cpuid(0, 0, &buf); |
1149 | if (buf.eax >= 4) { |
1150 | __kmp_x86_cpuid(4, 0, &buf); |
1151 | threadInfo[nApics].maxCoresPerPkg = ((buf.eax >> 26) & 0x3f) + 1; |
1152 | } else { |
1153 | threadInfo[nApics].maxCoresPerPkg = 1; |
1154 | } |
1155 | |
1156 | // Infer the pkgId / coreId / threadId using only the info obtained locally. |
1157 | int widthCT = __kmp_cpuid_mask_width(threadInfo[nApics].maxThreadsPerPkg); |
1158 | threadInfo[nApics].pkgId = threadInfo[nApics].apicId >> widthCT; |
1159 | |
1160 | int widthC = __kmp_cpuid_mask_width(threadInfo[nApics].maxCoresPerPkg); |
1161 | int widthT = widthCT - widthC; |
1162 | if (widthT < 0) { |
1163 | // I've never seen this one happen, but I suppose it could, if the cpuid |
1164 | // instruction on a chip was really screwed up. Make sure to restore the |
1165 | // affinity mask before the tail call. |
1166 | __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0)); |
1167 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1167); |
1168 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1169 | *msg_id = kmp_i18n_str_InvalidCpuidInfo; |
1170 | return -1; |
1171 | } |
1172 | |
1173 | int maskC = (1 << widthC) - 1; |
1174 | threadInfo[nApics].coreId = (threadInfo[nApics].apicId >> widthT) & maskC; |
1175 | |
1176 | int maskT = (1 << widthT) - 1; |
1177 | threadInfo[nApics].threadId = threadInfo[nApics].apicId & maskT; |
1178 | |
1179 | nApics++; |
1180 | } |
1181 | |
1182 | // We've collected all the info we need. |
1183 | // Restore the old affinity mask for this thread. |
1184 | __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0)); |
1185 | |
1186 | // If there's only one thread context to bind to, form an Address object |
1187 | // with depth 1 and return immediately (or, if affinity is off, set |
1188 | // address2os to NULL and return). |
1189 | // |
1190 | // If it is configured to omit the package level when there is only a single |
1191 | // package, the logic at the end of this routine won't work if there is only |
1192 | // a single thread - it would try to form an Address object with depth 0. |
1193 | KMP_ASSERT(nApics > 0)((nApics > 0) ? 0 : __kmp_debug_assert("nApics > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1193)); |
1194 | if (nApics == 1) { |
1195 | __kmp_ncores = nPackages = 1; |
1196 | __kmp_nThreadsPerCore = nCoresPerPkg = 1; |
1197 | if (__kmp_affinity_verbose) { |
1198 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
1199 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask); |
1200 | |
1201 | KMP_INFORM(AffUseGlobCpuid, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuid , "KMP_AFFINITY"), __kmp_msg_null); |
1202 | if (__kmp_affinity_respect_mask) { |
1203 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
1204 | } else { |
1205 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
1206 | } |
1207 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
1208 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
1209 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
1210 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
1211 | } |
1212 | |
1213 | if (__kmp_affinity_type == affinity_none) { |
1214 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1214); |
1215 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1216 | return 0; |
1217 | } |
1218 | |
1219 | *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair))___kmp_allocate((sizeof(AddrUnsPair)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1219); |
1220 | Address addr(1); |
1221 | addr.labels[0] = threadInfo[0].pkgId; |
1222 | (*address2os)[0] = AddrUnsPair(addr, threadInfo[0].osId); |
1223 | |
1224 | if (__kmp_affinity_gran_levels < 0) { |
1225 | __kmp_affinity_gran_levels = 0; |
1226 | } |
1227 | |
1228 | if (__kmp_affinity_verbose) { |
1229 | __kmp_affinity_print_topology(*address2os, 1, 1, 0, -1, -1); |
1230 | } |
1231 | |
1232 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1232); |
1233 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1234 | return 1; |
1235 | } |
1236 | |
1237 | // Sort the threadInfo table by physical Id. |
1238 | qsort(threadInfo, nApics, sizeof(*threadInfo), |
1239 | __kmp_affinity_cmp_apicThreadInfo_phys_id); |
1240 | |
1241 | // The table is now sorted by pkgId / coreId / threadId, but we really don't |
1242 | // know the radix of any of the fields. pkgId's may be sparsely assigned among |
1243 | // the chips on a system. Although coreId's are usually assigned |
1244 | // [0 .. coresPerPkg-1] and threadId's are usually assigned |
1245 | // [0..threadsPerCore-1], we don't want to make any such assumptions. |
1246 | // |
1247 | // For that matter, we don't know what coresPerPkg and threadsPerCore (or the |
1248 | // total # packages) are at this point - we want to determine that now. We |
1249 | // only have an upper bound on the first two figures. |
1250 | // |
1251 | // We also perform a consistency check at this point: the values returned by |
1252 | // the cpuid instruction for any thread bound to a given package had better |
1253 | // return the same info for maxThreadsPerPkg and maxCoresPerPkg. |
1254 | nPackages = 1; |
1255 | nCoresPerPkg = 1; |
1256 | __kmp_nThreadsPerCore = 1; |
1257 | unsigned nCores = 1; |
1258 | |
1259 | unsigned pkgCt = 1; // to determine radii |
1260 | unsigned lastPkgId = threadInfo[0].pkgId; |
1261 | unsigned coreCt = 1; |
1262 | unsigned lastCoreId = threadInfo[0].coreId; |
1263 | unsigned threadCt = 1; |
1264 | unsigned lastThreadId = threadInfo[0].threadId; |
1265 | |
1266 | // intra-pkg consist checks |
1267 | unsigned prevMaxCoresPerPkg = threadInfo[0].maxCoresPerPkg; |
1268 | unsigned prevMaxThreadsPerPkg = threadInfo[0].maxThreadsPerPkg; |
1269 | |
1270 | for (i = 1; i < nApics; i++) { |
1271 | if (threadInfo[i].pkgId != lastPkgId) { |
1272 | nCores++; |
1273 | pkgCt++; |
1274 | lastPkgId = threadInfo[i].pkgId; |
1275 | if ((int)coreCt > nCoresPerPkg) |
1276 | nCoresPerPkg = coreCt; |
1277 | coreCt = 1; |
1278 | lastCoreId = threadInfo[i].coreId; |
1279 | if ((int)threadCt > __kmp_nThreadsPerCore) |
1280 | __kmp_nThreadsPerCore = threadCt; |
1281 | threadCt = 1; |
1282 | lastThreadId = threadInfo[i].threadId; |
1283 | |
1284 | // This is a different package, so go on to the next iteration without |
1285 | // doing any consistency checks. Reset the consistency check vars, though. |
1286 | prevMaxCoresPerPkg = threadInfo[i].maxCoresPerPkg; |
1287 | prevMaxThreadsPerPkg = threadInfo[i].maxThreadsPerPkg; |
1288 | continue; |
1289 | } |
1290 | |
1291 | if (threadInfo[i].coreId != lastCoreId) { |
1292 | nCores++; |
1293 | coreCt++; |
1294 | lastCoreId = threadInfo[i].coreId; |
1295 | if ((int)threadCt > __kmp_nThreadsPerCore) |
1296 | __kmp_nThreadsPerCore = threadCt; |
1297 | threadCt = 1; |
1298 | lastThreadId = threadInfo[i].threadId; |
1299 | } else if (threadInfo[i].threadId != lastThreadId) { |
1300 | threadCt++; |
1301 | lastThreadId = threadInfo[i].threadId; |
1302 | } else { |
1303 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1303); |
1304 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1305 | *msg_id = kmp_i18n_str_LegacyApicIDsNotUnique; |
1306 | return -1; |
1307 | } |
1308 | |
1309 | // Check to make certain that the maxCoresPerPkg and maxThreadsPerPkg |
1310 | // fields agree between all the threads bounds to a given package. |
1311 | if ((prevMaxCoresPerPkg != threadInfo[i].maxCoresPerPkg) || |
1312 | (prevMaxThreadsPerPkg != threadInfo[i].maxThreadsPerPkg)) { |
1313 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1313); |
1314 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1315 | *msg_id = kmp_i18n_str_InconsistentCpuidInfo; |
1316 | return -1; |
1317 | } |
1318 | } |
1319 | nPackages = pkgCt; |
1320 | if ((int)coreCt > nCoresPerPkg) |
1321 | nCoresPerPkg = coreCt; |
1322 | if ((int)threadCt > __kmp_nThreadsPerCore) |
1323 | __kmp_nThreadsPerCore = threadCt; |
1324 | |
1325 | // When affinity is off, this routine will still be called to set |
1326 | // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages. |
1327 | // Make sure all these vars are set correctly, and return now if affinity is |
1328 | // not enabled. |
1329 | __kmp_ncores = nCores; |
1330 | if (__kmp_affinity_verbose) { |
1331 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
1332 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask); |
1333 | |
1334 | KMP_INFORM(AffUseGlobCpuid, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuid , "KMP_AFFINITY"), __kmp_msg_null); |
1335 | if (__kmp_affinity_respect_mask) { |
1336 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
1337 | } else { |
1338 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
1339 | } |
1340 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
1341 | if (__kmp_affinity_uniform_topology()) { |
1342 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
1343 | } else { |
1344 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
1345 | } |
1346 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
1347 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
1348 | } |
1349 | KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1349)); |
1350 | KMP_DEBUG_ASSERT(nApics == __kmp_avail_proc)((nApics == __kmp_avail_proc) ? 0 : __kmp_debug_assert("nApics == __kmp_avail_proc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1350)); |
1351 | __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1351); |
1352 | for (i = 0; i < nApics; ++i) { |
1353 | __kmp_pu_os_idx[i] = threadInfo[i].osId; |
1354 | } |
1355 | if (__kmp_affinity_type == affinity_none) { |
1356 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1356); |
1357 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1358 | return 0; |
1359 | } |
1360 | |
1361 | // Now that we've determined the number of packages, the number of cores per |
1362 | // package, and the number of threads per core, we can construct the data |
1363 | // structure that is to be returned. |
1364 | int pkgLevel = 0; |
1365 | int coreLevel = (nCoresPerPkg <= 1) ? -1 : 1; |
1366 | int threadLevel = |
1367 | (__kmp_nThreadsPerCore <= 1) ? -1 : ((coreLevel >= 0) ? 2 : 1); |
1368 | unsigned depth = (pkgLevel >= 0) + (coreLevel >= 0) + (threadLevel >= 0); |
1369 | |
1370 | KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1370)); |
1371 | *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * nApics)___kmp_allocate((sizeof(AddrUnsPair) * nApics), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1371); |
1372 | |
1373 | for (i = 0; i < nApics; ++i) { |
1374 | Address addr(depth); |
1375 | unsigned os = threadInfo[i].osId; |
1376 | int d = 0; |
1377 | |
1378 | if (pkgLevel >= 0) { |
1379 | addr.labels[d++] = threadInfo[i].pkgId; |
1380 | } |
1381 | if (coreLevel >= 0) { |
1382 | addr.labels[d++] = threadInfo[i].coreId; |
1383 | } |
1384 | if (threadLevel >= 0) { |
1385 | addr.labels[d++] = threadInfo[i].threadId; |
1386 | } |
1387 | (*address2os)[i] = AddrUnsPair(addr, os); |
1388 | } |
1389 | |
1390 | if (__kmp_affinity_gran_levels < 0) { |
1391 | // Set the granularity level based on what levels are modeled in the machine |
1392 | // topology map. |
1393 | __kmp_affinity_gran_levels = 0; |
1394 | if ((threadLevel >= 0) && (__kmp_affinity_gran > affinity_gran_thread)) { |
1395 | __kmp_affinity_gran_levels++; |
1396 | } |
1397 | if ((coreLevel >= 0) && (__kmp_affinity_gran > affinity_gran_core)) { |
1398 | __kmp_affinity_gran_levels++; |
1399 | } |
1400 | if ((pkgLevel >= 0) && (__kmp_affinity_gran > affinity_gran_package)) { |
1401 | __kmp_affinity_gran_levels++; |
1402 | } |
1403 | } |
1404 | |
1405 | if (__kmp_affinity_verbose) { |
1406 | __kmp_affinity_print_topology(*address2os, nApics, depth, pkgLevel, |
1407 | coreLevel, threadLevel); |
1408 | } |
1409 | |
1410 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1410); |
1411 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1412 | return depth; |
1413 | } |
1414 | |
1415 | // Intel(R) microarchitecture code name Nehalem, Dunnington and later |
1416 | // architectures support a newer interface for specifying the x2APIC Ids, |
1417 | // based on cpuid leaf 11. |
1418 | static int __kmp_affinity_create_x2apicid_map(AddrUnsPair **address2os, |
1419 | kmp_i18n_id_t *const msg_id) { |
1420 | kmp_cpuid buf; |
1421 | *address2os = NULL__null; |
1422 | *msg_id = kmp_i18n_null; |
1423 | |
1424 | // Check to see if cpuid leaf 11 is supported. |
1425 | __kmp_x86_cpuid(0, 0, &buf); |
1426 | if (buf.eax < 11) { |
1427 | *msg_id = kmp_i18n_str_NoLeaf11Support; |
1428 | return -1; |
1429 | } |
1430 | __kmp_x86_cpuid(11, 0, &buf); |
1431 | if (buf.ebx == 0) { |
1432 | *msg_id = kmp_i18n_str_NoLeaf11Support; |
1433 | return -1; |
1434 | } |
1435 | |
1436 | // Find the number of levels in the machine topology. While we're at it, get |
1437 | // the default values for __kmp_nThreadsPerCore & nCoresPerPkg. We will try to |
1438 | // get more accurate values later by explicitly counting them, but get |
1439 | // reasonable defaults now, in case we return early. |
1440 | int level; |
1441 | int threadLevel = -1; |
1442 | int coreLevel = -1; |
1443 | int pkgLevel = -1; |
1444 | __kmp_nThreadsPerCore = nCoresPerPkg = nPackages = 1; |
1445 | |
1446 | for (level = 0;; level++) { |
1447 | if (level > 31) { |
1448 | // FIXME: Hack for DPD200163180 |
1449 | // |
1450 | // If level is big then something went wrong -> exiting |
1451 | // |
1452 | // There could actually be 32 valid levels in the machine topology, but so |
1453 | // far, the only machine we have seen which does not exit this loop before |
1454 | // iteration 32 has fubar x2APIC settings. |
1455 | // |
1456 | // For now, just reject this case based upon loop trip count. |
1457 | *msg_id = kmp_i18n_str_InvalidCpuidInfo; |
1458 | return -1; |
1459 | } |
1460 | __kmp_x86_cpuid(11, level, &buf); |
1461 | if (buf.ebx == 0) { |
1462 | if (pkgLevel < 0) { |
1463 | // Will infer nPackages from __kmp_xproc |
1464 | pkgLevel = level; |
1465 | level++; |
1466 | } |
1467 | break; |
1468 | } |
1469 | int kind = (buf.ecx >> 8) & 0xff; |
1470 | if (kind == 1) { |
1471 | // SMT level |
1472 | threadLevel = level; |
1473 | coreLevel = -1; |
1474 | pkgLevel = -1; |
1475 | __kmp_nThreadsPerCore = buf.ebx & 0xffff; |
1476 | if (__kmp_nThreadsPerCore == 0) { |
1477 | *msg_id = kmp_i18n_str_InvalidCpuidInfo; |
1478 | return -1; |
1479 | } |
1480 | } else if (kind == 2) { |
1481 | // core level |
1482 | coreLevel = level; |
1483 | pkgLevel = -1; |
1484 | nCoresPerPkg = buf.ebx & 0xffff; |
1485 | if (nCoresPerPkg == 0) { |
1486 | *msg_id = kmp_i18n_str_InvalidCpuidInfo; |
1487 | return -1; |
1488 | } |
1489 | } else { |
1490 | if (level <= 0) { |
1491 | *msg_id = kmp_i18n_str_InvalidCpuidInfo; |
1492 | return -1; |
1493 | } |
1494 | if (pkgLevel >= 0) { |
1495 | continue; |
1496 | } |
1497 | pkgLevel = level; |
1498 | nPackages = buf.ebx & 0xffff; |
1499 | if (nPackages == 0) { |
1500 | *msg_id = kmp_i18n_str_InvalidCpuidInfo; |
1501 | return -1; |
1502 | } |
1503 | } |
1504 | } |
1505 | int depth = level; |
1506 | |
1507 | // In the above loop, "level" was counted from the finest level (usually |
1508 | // thread) to the coarsest. The caller expects that we will place the labels |
1509 | // in (*address2os)[].first.labels[] in the inverse order, so we need to |
1510 | // invert the vars saying which level means what. |
1511 | if (threadLevel >= 0) { |
1512 | threadLevel = depth - threadLevel - 1; |
1513 | } |
1514 | if (coreLevel >= 0) { |
1515 | coreLevel = depth - coreLevel - 1; |
1516 | } |
1517 | KMP_DEBUG_ASSERT(pkgLevel >= 0)((pkgLevel >= 0) ? 0 : __kmp_debug_assert("pkgLevel >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1517)); |
1518 | pkgLevel = depth - pkgLevel - 1; |
1519 | |
1520 | // The algorithm used starts by setting the affinity to each available thread |
1521 | // and retrieving info from the cpuid instruction, so if we are not capable of |
1522 | // calling __kmp_get_system_affinity() and _kmp_get_system_affinity(), then we |
1523 | // need to do something else - use the defaults that we calculated from |
1524 | // issuing cpuid without binding to each proc. |
1525 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
1526 | // Hack to try and infer the machine topology using only the data |
1527 | // available from cpuid on the current thread, and __kmp_xproc. |
1528 | KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert ("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1528)); |
1529 | |
1530 | __kmp_ncores = __kmp_xproc / __kmp_nThreadsPerCore; |
1531 | nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg; |
1532 | if (__kmp_affinity_verbose) { |
1533 | KMP_INFORM(AffNotCapableUseLocCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseLocCpuidL11 , "KMP_AFFINITY"), __kmp_msg_null); |
1534 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
1535 | if (__kmp_affinity_uniform_topology()) { |
1536 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
1537 | } else { |
1538 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
1539 | } |
1540 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
1541 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
1542 | } |
1543 | return 0; |
1544 | } |
1545 | |
1546 | // From here on, we can assume that it is safe to call |
1547 | // __kmp_get_system_affinity() and __kmp_set_system_affinity(), even if |
1548 | // __kmp_affinity_type = affinity_none. |
1549 | |
1550 | // Save the affinity mask for the current thread. |
1551 | kmp_affin_mask_t *oldMask; |
1552 | KMP_CPU_ALLOC(oldMask)(oldMask = __kmp_affinity_dispatch->allocate_mask()); |
1553 | __kmp_get_system_affinity(oldMask, TRUE)(oldMask)->get_system_affinity((!0)); |
1554 | |
1555 | // Allocate the data structure to be returned. |
1556 | AddrUnsPair *retval = |
1557 | (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * __kmp_avail_proc)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1557); |
1558 | |
1559 | // Run through each of the available contexts, binding the current thread |
1560 | // to it, and obtaining the pertinent information using the cpuid instr. |
1561 | unsigned int proc; |
1562 | int nApics = 0; |
1563 | KMP_CPU_SET_ITERATE(proc, __kmp_affin_fullMask)for (proc = (__kmp_affin_fullMask)->begin(); proc != (__kmp_affin_fullMask )->end(); proc = (__kmp_affin_fullMask)->next(proc)) { |
1564 | // Skip this proc if it is not included in the machine model. |
1565 | if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) { |
1566 | continue; |
1567 | } |
1568 | KMP_DEBUG_ASSERT(nApics < __kmp_avail_proc)((nApics < __kmp_avail_proc) ? 0 : __kmp_debug_assert("nApics < __kmp_avail_proc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1568)); |
1569 | |
1570 | __kmp_affinity_dispatch->bind_thread(proc); |
1571 | |
1572 | // Extract labels for each level in the machine topology map from Apic ID. |
1573 | Address addr(depth); |
1574 | int prev_shift = 0; |
1575 | |
1576 | for (level = 0; level < depth; level++) { |
1577 | __kmp_x86_cpuid(11, level, &buf); |
1578 | unsigned apicId = buf.edx; |
1579 | if (buf.ebx == 0) { |
1580 | if (level != depth - 1) { |
1581 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1582 | *msg_id = kmp_i18n_str_InconsistentCpuidInfo; |
1583 | return -1; |
1584 | } |
1585 | addr.labels[depth - level - 1] = apicId >> prev_shift; |
1586 | level++; |
1587 | break; |
1588 | } |
1589 | int shift = buf.eax & 0x1f; |
1590 | int mask = (1 << shift) - 1; |
1591 | addr.labels[depth - level - 1] = (apicId & mask) >> prev_shift; |
1592 | prev_shift = shift; |
1593 | } |
1594 | if (level != depth) { |
1595 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1596 | *msg_id = kmp_i18n_str_InconsistentCpuidInfo; |
1597 | return -1; |
1598 | } |
1599 | |
1600 | retval[nApics] = AddrUnsPair(addr, proc); |
1601 | nApics++; |
1602 | } |
1603 | |
1604 | // We've collected all the info we need. |
1605 | // Restore the old affinity mask for this thread. |
1606 | __kmp_set_system_affinity(oldMask, TRUE)(oldMask)->set_system_affinity((!0)); |
1607 | |
1608 | // If there's only one thread context to bind to, return now. |
1609 | KMP_ASSERT(nApics > 0)((nApics > 0) ? 0 : __kmp_debug_assert("nApics > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1609)); |
1610 | if (nApics == 1) { |
1611 | __kmp_ncores = nPackages = 1; |
1612 | __kmp_nThreadsPerCore = nCoresPerPkg = 1; |
1613 | if (__kmp_affinity_verbose) { |
1614 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
1615 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask); |
1616 | |
1617 | KMP_INFORM(AffUseGlobCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuidL11 , "KMP_AFFINITY"), __kmp_msg_null); |
1618 | if (__kmp_affinity_respect_mask) { |
1619 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
1620 | } else { |
1621 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
1622 | } |
1623 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
1624 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
1625 | KMP_INFORM(Topology, "KMP_AFFINITY", nPackages, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
1626 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Topology , "KMP_AFFINITY", nPackages, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
1627 | } |
1628 | |
1629 | if (__kmp_affinity_type == affinity_none) { |
1630 | __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1630); |
1631 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1632 | return 0; |
1633 | } |
1634 | |
1635 | // Form an Address object which only includes the package level. |
1636 | Address addr(1); |
1637 | addr.labels[0] = retval[0].first.labels[pkgLevel]; |
1638 | retval[0].first = addr; |
1639 | |
1640 | if (__kmp_affinity_gran_levels < 0) { |
1641 | __kmp_affinity_gran_levels = 0; |
1642 | } |
1643 | |
1644 | if (__kmp_affinity_verbose) { |
1645 | __kmp_affinity_print_topology(retval, 1, 1, 0, -1, -1); |
1646 | } |
1647 | |
1648 | *address2os = retval; |
1649 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1650 | return 1; |
1651 | } |
1652 | |
1653 | // Sort the table by physical Id. |
1654 | qsort(retval, nApics, sizeof(*retval), __kmp_affinity_cmp_Address_labels); |
1655 | |
1656 | // Find the radix at each of the levels. |
1657 | unsigned *totals = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1657); |
1658 | unsigned *counts = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1658); |
1659 | unsigned *maxCt = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1659); |
1660 | unsigned *last = (unsigned *)__kmp_allocate(depth * sizeof(unsigned))___kmp_allocate((depth * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1660); |
1661 | for (level = 0; level < depth; level++) { |
1662 | totals[level] = 1; |
1663 | maxCt[level] = 1; |
1664 | counts[level] = 1; |
1665 | last[level] = retval[0].first.labels[level]; |
1666 | } |
1667 | |
1668 | // From here on, the iteration variable "level" runs from the finest level to |
1669 | // the coarsest, i.e. we iterate forward through |
1670 | // (*address2os)[].first.labels[] - in the previous loops, we iterated |
1671 | // backwards. |
1672 | for (proc = 1; (int)proc < nApics; proc++) { |
1673 | int level; |
1674 | for (level = 0; level < depth; level++) { |
1675 | if (retval[proc].first.labels[level] != last[level]) { |
1676 | int j; |
1677 | for (j = level + 1; j < depth; j++) { |
1678 | totals[j]++; |
1679 | counts[j] = 1; |
1680 | // The line below causes printing incorrect topology information in |
1681 | // case the max value for some level (maxCt[level]) is encountered |
1682 | // earlier than some less value while going through the array. For |
1683 | // example, let pkg0 has 4 cores and pkg1 has 2 cores. Then |
1684 | // maxCt[1] == 2 |
1685 | // whereas it must be 4. |
1686 | // TODO!!! Check if it can be commented safely |
1687 | // maxCt[j] = 1; |
1688 | last[j] = retval[proc].first.labels[j]; |
1689 | } |
1690 | totals[level]++; |
1691 | counts[level]++; |
1692 | if (counts[level] > maxCt[level]) { |
1693 | maxCt[level] = counts[level]; |
1694 | } |
1695 | last[level] = retval[proc].first.labels[level]; |
1696 | break; |
1697 | } else if (level == depth - 1) { |
1698 | __kmp_free(last)___kmp_free((last), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1698); |
1699 | __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1699); |
1700 | __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1700); |
1701 | __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1701); |
1702 | __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1702); |
1703 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1704 | *msg_id = kmp_i18n_str_x2ApicIDsNotUnique; |
1705 | return -1; |
1706 | } |
1707 | } |
1708 | } |
1709 | |
1710 | // When affinity is off, this routine will still be called to set |
1711 | // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages. |
1712 | // Make sure all these vars are set correctly, and return if affinity is not |
1713 | // enabled. |
1714 | if (threadLevel >= 0) { |
1715 | __kmp_nThreadsPerCore = maxCt[threadLevel]; |
1716 | } else { |
1717 | __kmp_nThreadsPerCore = 1; |
1718 | } |
1719 | nPackages = totals[pkgLevel]; |
1720 | |
1721 | if (coreLevel >= 0) { |
1722 | __kmp_ncores = totals[coreLevel]; |
1723 | nCoresPerPkg = maxCt[coreLevel]; |
1724 | } else { |
1725 | __kmp_ncores = nPackages; |
1726 | nCoresPerPkg = 1; |
1727 | } |
1728 | |
1729 | // Check to see if the machine topology is uniform |
1730 | unsigned prod = maxCt[0]; |
1731 | for (level = 1; level < depth; level++) { |
1732 | prod *= maxCt[level]; |
1733 | } |
1734 | bool uniform = (prod == totals[level - 1]); |
1735 | |
1736 | // Print the machine topology summary. |
1737 | if (__kmp_affinity_verbose) { |
1738 | char mask[KMP_AFFIN_MASK_PRINT_LEN1024]; |
1739 | __kmp_affinity_print_mask(mask, KMP_AFFIN_MASK_PRINT_LEN1024, oldMask); |
1740 | |
1741 | KMP_INFORM(AffUseGlobCpuidL11, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUseGlobCpuidL11 , "KMP_AFFINITY"), __kmp_msg_null); |
1742 | if (__kmp_affinity_respect_mask) { |
1743 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", mask), __kmp_msg_null); |
1744 | } else { |
1745 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", mask)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", mask), __kmp_msg_null); |
1746 | } |
1747 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
1748 | if (uniform) { |
1749 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
1750 | } else { |
1751 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
1752 | } |
1753 | |
1754 | kmp_str_buf_t buf; |
1755 | __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size = sizeof((&buf)->bulk); (&buf)->used = 0; (& buf)->bulk[0] = 0; }; |
1756 | |
1757 | __kmp_str_buf_print(&buf, "%d", totals[0]); |
1758 | for (level = 1; level <= pkgLevel; level++) { |
1759 | __kmp_str_buf_print(&buf, " x %d", maxCt[level]); |
1760 | } |
1761 | KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
1762 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_AFFINITY", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
1763 | |
1764 | __kmp_str_buf_free(&buf); |
1765 | } |
1766 | KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1766)); |
1767 | KMP_DEBUG_ASSERT(nApics == __kmp_avail_proc)((nApics == __kmp_avail_proc) ? 0 : __kmp_debug_assert("nApics == __kmp_avail_proc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1767)); |
1768 | __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1768); |
1769 | for (proc = 0; (int)proc < nApics; ++proc) { |
1770 | __kmp_pu_os_idx[proc] = retval[proc].second; |
1771 | } |
1772 | if (__kmp_affinity_type == affinity_none) { |
1773 | __kmp_free(last)___kmp_free((last), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1773); |
1774 | __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1774); |
1775 | __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1775); |
1776 | __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1776); |
1777 | __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1777); |
1778 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1779 | return 0; |
1780 | } |
1781 | |
1782 | // Find any levels with radiix 1, and remove them from the map |
1783 | // (except for the package level). |
1784 | int new_depth = 0; |
1785 | for (level = 0; level < depth; level++) { |
1786 | if ((maxCt[level] == 1) && (level != pkgLevel)) { |
1787 | continue; |
1788 | } |
1789 | new_depth++; |
1790 | } |
1791 | |
1792 | // If we are removing any levels, allocate a new vector to return, |
1793 | // and copy the relevant information to it. |
1794 | if (new_depth != depth) { |
1795 | AddrUnsPair *new_retval = |
1796 | (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * nApics)___kmp_allocate((sizeof(AddrUnsPair) * nApics), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1796); |
1797 | for (proc = 0; (int)proc < nApics; proc++) { |
1798 | Address addr(new_depth); |
1799 | new_retval[proc] = AddrUnsPair(addr, retval[proc].second); |
1800 | } |
1801 | int new_level = 0; |
1802 | int newPkgLevel = -1; |
1803 | int newCoreLevel = -1; |
1804 | int newThreadLevel = -1; |
1805 | int i; |
1806 | for (level = 0; level < depth; level++) { |
1807 | if ((maxCt[level] == 1) && (level != pkgLevel)) { |
1808 | // Remove this level. Never remove the package level |
1809 | continue; |
1810 | } |
1811 | if (level == pkgLevel) { |
1812 | newPkgLevel = new_level; |
1813 | } |
1814 | if (level == coreLevel) { |
1815 | newCoreLevel = new_level; |
1816 | } |
1817 | if (level == threadLevel) { |
1818 | newThreadLevel = new_level; |
1819 | } |
1820 | for (proc = 0; (int)proc < nApics; proc++) { |
1821 | new_retval[proc].first.labels[new_level] = |
1822 | retval[proc].first.labels[level]; |
1823 | } |
1824 | new_level++; |
1825 | } |
1826 | |
1827 | __kmp_free(retval)___kmp_free((retval), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1827); |
1828 | retval = new_retval; |
1829 | depth = new_depth; |
1830 | pkgLevel = newPkgLevel; |
1831 | coreLevel = newCoreLevel; |
1832 | threadLevel = newThreadLevel; |
1833 | } |
1834 | |
1835 | if (__kmp_affinity_gran_levels < 0) { |
1836 | // Set the granularity level based on what levels are modeled |
1837 | // in the machine topology map. |
1838 | __kmp_affinity_gran_levels = 0; |
1839 | if ((threadLevel >= 0) && (__kmp_affinity_gran > affinity_gran_thread)) { |
1840 | __kmp_affinity_gran_levels++; |
1841 | } |
1842 | if ((coreLevel >= 0) && (__kmp_affinity_gran > affinity_gran_core)) { |
1843 | __kmp_affinity_gran_levels++; |
1844 | } |
1845 | if (__kmp_affinity_gran > affinity_gran_package) { |
1846 | __kmp_affinity_gran_levels++; |
1847 | } |
1848 | } |
1849 | |
1850 | if (__kmp_affinity_verbose) { |
1851 | __kmp_affinity_print_topology(retval, nApics, depth, pkgLevel, coreLevel, |
1852 | threadLevel); |
1853 | } |
1854 | |
1855 | __kmp_free(last)___kmp_free((last), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1855); |
1856 | __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1856); |
1857 | __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1857); |
1858 | __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1858); |
1859 | KMP_CPU_FREE(oldMask)__kmp_affinity_dispatch->deallocate_mask(oldMask); |
1860 | *address2os = retval; |
1861 | return depth; |
1862 | } |
1863 | |
1864 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ |
1865 | |
1866 | #define osIdIndex0 0 |
1867 | #define threadIdIndex1 1 |
1868 | #define coreIdIndex2 2 |
1869 | #define pkgIdIndex3 3 |
1870 | #define nodeIdIndex4 4 |
1871 | |
1872 | typedef unsigned *ProcCpuInfo; |
1873 | static unsigned maxIndex = pkgIdIndex3; |
1874 | |
1875 | static int __kmp_affinity_cmp_ProcCpuInfo_os_id(const void *a, const void *b) { |
1876 | const unsigned *aa = (const unsigned *)a; |
1877 | const unsigned *bb = (const unsigned *)b; |
1878 | if (aa[osIdIndex0] < bb[osIdIndex0]) |
1879 | return -1; |
1880 | if (aa[osIdIndex0] > bb[osIdIndex0]) |
1881 | return 1; |
1882 | return 0; |
1883 | } |
1884 | |
1885 | static int __kmp_affinity_cmp_ProcCpuInfo_phys_id(const void *a, |
1886 | const void *b) { |
1887 | unsigned i; |
1888 | const unsigned *aa = *(unsigned *const *)a; |
1889 | const unsigned *bb = *(unsigned *const *)b; |
1890 | for (i = maxIndex;; i--) { |
1891 | if (aa[i] < bb[i]) |
1892 | return -1; |
1893 | if (aa[i] > bb[i]) |
1894 | return 1; |
1895 | if (i == osIdIndex0) |
1896 | break; |
1897 | } |
1898 | return 0; |
1899 | } |
1900 | |
1901 | #if KMP_USE_HIER_SCHED0 |
1902 | // Set the array sizes for the hierarchy layers |
1903 | static void __kmp_dispatch_set_hierarchy_values() { |
1904 | // Set the maximum number of L1's to number of cores |
1905 | // Set the maximum number of L2's to to either number of cores / 2 for |
1906 | // Intel(R) Xeon Phi(TM) coprocessor formally codenamed Knights Landing |
1907 | // Or the number of cores for Intel(R) Xeon(R) processors |
1908 | // Set the maximum number of NUMA nodes and L3's to number of packages |
1909 | __kmp_hier_max_units[kmp_hier_layer_e::LAYER_THREAD + 1] = |
1910 | nPackages * nCoresPerPkg * __kmp_nThreadsPerCore; |
1911 | __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L1 + 1] = __kmp_ncores; |
1912 | #if KMP_ARCH_X86_641 && (KMP_OS_LINUX1 || KMP_OS_WINDOWS0) |
1913 | if (__kmp_mic_type >= mic3) |
1914 | __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L2 + 1] = __kmp_ncores / 2; |
1915 | else |
1916 | #endif // KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_WINDOWS) |
1917 | __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L2 + 1] = __kmp_ncores; |
1918 | __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L3 + 1] = nPackages; |
1919 | __kmp_hier_max_units[kmp_hier_layer_e::LAYER_NUMA + 1] = nPackages; |
1920 | __kmp_hier_max_units[kmp_hier_layer_e::LAYER_LOOP + 1] = 1; |
1921 | // Set the number of threads per unit |
1922 | // Number of hardware threads per L1/L2/L3/NUMA/LOOP |
1923 | __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_THREAD + 1] = 1; |
1924 | __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L1 + 1] = |
1925 | __kmp_nThreadsPerCore; |
1926 | #if KMP_ARCH_X86_641 && (KMP_OS_LINUX1 || KMP_OS_WINDOWS0) |
1927 | if (__kmp_mic_type >= mic3) |
1928 | __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L2 + 1] = |
1929 | 2 * __kmp_nThreadsPerCore; |
1930 | else |
1931 | #endif // KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_WINDOWS) |
1932 | __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L2 + 1] = |
1933 | __kmp_nThreadsPerCore; |
1934 | __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L3 + 1] = |
1935 | nCoresPerPkg * __kmp_nThreadsPerCore; |
1936 | __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_NUMA + 1] = |
1937 | nCoresPerPkg * __kmp_nThreadsPerCore; |
1938 | __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_LOOP + 1] = |
1939 | nPackages * nCoresPerPkg * __kmp_nThreadsPerCore; |
1940 | } |
1941 | |
1942 | // Return the index into the hierarchy for this tid and layer type (L1, L2, etc) |
1943 | // i.e., this thread's L1 or this thread's L2, etc. |
1944 | int __kmp_dispatch_get_index(int tid, kmp_hier_layer_e type) { |
1945 | int index = type + 1; |
1946 | int num_hw_threads = __kmp_hier_max_units[kmp_hier_layer_e::LAYER_THREAD + 1]; |
1947 | KMP_DEBUG_ASSERT(type != kmp_hier_layer_e::LAYER_LAST)((type != kmp_hier_layer_e::LAYER_LAST) ? 0 : __kmp_debug_assert ("type != kmp_hier_layer_e::LAYER_LAST", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1947)); |
1948 | if (type == kmp_hier_layer_e::LAYER_THREAD) |
1949 | return tid; |
1950 | else if (type == kmp_hier_layer_e::LAYER_LOOP) |
1951 | return 0; |
1952 | KMP_DEBUG_ASSERT(__kmp_hier_max_units[index] != 0)((__kmp_hier_max_units[index] != 0) ? 0 : __kmp_debug_assert( "__kmp_hier_max_units[index] != 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1952)); |
1953 | if (tid >= num_hw_threads) |
1954 | tid = tid % num_hw_threads; |
1955 | return (tid / __kmp_hier_threads_per[index]) % __kmp_hier_max_units[index]; |
1956 | } |
1957 | |
1958 | // Return the number of t1's per t2 |
1959 | int __kmp_dispatch_get_t1_per_t2(kmp_hier_layer_e t1, kmp_hier_layer_e t2) { |
1960 | int i1 = t1 + 1; |
1961 | int i2 = t2 + 1; |
1962 | KMP_DEBUG_ASSERT(i1 <= i2)((i1 <= i2) ? 0 : __kmp_debug_assert("i1 <= i2", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1962)); |
1963 | KMP_DEBUG_ASSERT(t1 != kmp_hier_layer_e::LAYER_LAST)((t1 != kmp_hier_layer_e::LAYER_LAST) ? 0 : __kmp_debug_assert ("t1 != kmp_hier_layer_e::LAYER_LAST", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1963)); |
1964 | KMP_DEBUG_ASSERT(t2 != kmp_hier_layer_e::LAYER_LAST)((t2 != kmp_hier_layer_e::LAYER_LAST) ? 0 : __kmp_debug_assert ("t2 != kmp_hier_layer_e::LAYER_LAST", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1964)); |
1965 | KMP_DEBUG_ASSERT(__kmp_hier_threads_per[i1] != 0)((__kmp_hier_threads_per[i1] != 0) ? 0 : __kmp_debug_assert("__kmp_hier_threads_per[i1] != 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 1965)); |
1966 | // (nthreads/t2) / (nthreads/t1) = t1 / t2 |
1967 | return __kmp_hier_threads_per[i2] / __kmp_hier_threads_per[i1]; |
1968 | } |
1969 | #endif // KMP_USE_HIER_SCHED |
1970 | |
1971 | // Parse /proc/cpuinfo (or an alternate file in the same format) to obtain the |
1972 | // affinity map. |
1973 | static int __kmp_affinity_create_cpuinfo_map(AddrUnsPair **address2os, |
1974 | int *line, |
1975 | kmp_i18n_id_t *const msg_id, |
1976 | FILE *f) { |
1977 | *address2os = NULL__null; |
1978 | *msg_id = kmp_i18n_null; |
1979 | |
1980 | // Scan of the file, and count the number of "processor" (osId) fields, |
1981 | // and find the highest value of <n> for a node_<n> field. |
1982 | char buf[256]; |
1983 | unsigned num_records = 0; |
1984 | while (!feof(f)) { |
1985 | buf[sizeof(buf) - 1] = 1; |
1986 | if (!fgets(buf, sizeof(buf), f)) { |
1987 | // Read errors presumably because of EOF |
1988 | break; |
1989 | } |
1990 | |
1991 | char s1[] = "processor"; |
1992 | if (strncmp(buf, s1, sizeof(s1) - 1) == 0) { |
1993 | num_records++; |
1994 | continue; |
1995 | } |
1996 | |
1997 | // FIXME - this will match "node_<n> <garbage>" |
1998 | unsigned level; |
1999 | if (KMP_SSCANFsscanf(buf, "node_%u id", &level) == 1) { |
2000 | if (nodeIdIndex4 + level >= maxIndex) { |
2001 | maxIndex = nodeIdIndex4 + level; |
2002 | } |
2003 | continue; |
2004 | } |
2005 | } |
2006 | |
2007 | // Check for empty file / no valid processor records, or too many. The number |
2008 | // of records can't exceed the number of valid bits in the affinity mask. |
2009 | if (num_records == 0) { |
2010 | *line = 0; |
2011 | *msg_id = kmp_i18n_str_NoProcRecords; |
2012 | return -1; |
2013 | } |
2014 | if (num_records > (unsigned)__kmp_xproc) { |
2015 | *line = 0; |
2016 | *msg_id = kmp_i18n_str_TooManyProcRecords; |
2017 | return -1; |
2018 | } |
2019 | |
2020 | // Set the file pointer back to the begginning, so that we can scan the file |
2021 | // again, this time performing a full parse of the data. Allocate a vector of |
2022 | // ProcCpuInfo object, where we will place the data. Adding an extra element |
2023 | // at the end allows us to remove a lot of extra checks for termination |
2024 | // conditions. |
2025 | if (fseek(f, 0, SEEK_SET0) != 0) { |
2026 | *line = 0; |
2027 | *msg_id = kmp_i18n_str_CantRewindCpuinfo; |
2028 | return -1; |
2029 | } |
2030 | |
2031 | // Allocate the array of records to store the proc info in. The dummy |
2032 | // element at the end makes the logic in filling them out easier to code. |
2033 | unsigned **threadInfo = |
2034 | (unsigned **)__kmp_allocate((num_records + 1) * sizeof(unsigned *))___kmp_allocate(((num_records + 1) * sizeof(unsigned *)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2034); |
2035 | unsigned i; |
2036 | for (i = 0; i <= num_records; i++) { |
2037 | threadInfo[i] = |
2038 | (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2038); |
2039 | } |
2040 | |
2041 | #define CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2041); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2041); \ |
2042 | for (i = 0; i <= num_records; i++) { \ |
2043 | __kmp_free(threadInfo[i])___kmp_free((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2043); \ |
2044 | } \ |
2045 | __kmp_free(threadInfo)___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2045); |
2046 | |
2047 | // A value of UINT_MAX means that we didn't find the field |
2048 | unsigned __index; |
2049 | |
2050 | #define INIT_PROC_INFO(p)for (__index = 0; __index <= maxIndex; __index++) { (p)[__index ] = (2147483647 *2U +1U); } \ |
2051 | for (__index = 0; __index <= maxIndex; __index++) { \ |
2052 | (p)[__index] = UINT_MAX(2147483647 *2U +1U); \ |
2053 | } |
2054 | |
2055 | for (i = 0; i <= num_records; i++) { |
2056 | INIT_PROC_INFO(threadInfo[i])for (__index = 0; __index <= maxIndex; __index++) { (threadInfo [i])[__index] = (2147483647 *2U +1U); }; |
2057 | } |
2058 | |
2059 | unsigned num_avail = 0; |
2060 | *line = 0; |
2061 | while (!feof(f)) { |
2062 | // Create an inner scoping level, so that all the goto targets at the end of |
2063 | // the loop appear in an outer scoping level. This avoids warnings about |
2064 | // jumping past an initialization to a target in the same block. |
2065 | { |
2066 | buf[sizeof(buf) - 1] = 1; |
2067 | bool long_line = false; |
2068 | if (!fgets(buf, sizeof(buf), f)) { |
2069 | // Read errors presumably because of EOF |
2070 | // If there is valid data in threadInfo[num_avail], then fake |
2071 | // a blank line in ensure that the last address gets parsed. |
2072 | bool valid = false; |
2073 | for (i = 0; i <= maxIndex; i++) { |
2074 | if (threadInfo[num_avail][i] != UINT_MAX(2147483647 *2U +1U)) { |
2075 | valid = true; |
2076 | } |
2077 | } |
2078 | if (!valid) { |
2079 | break; |
2080 | } |
2081 | buf[0] = 0; |
2082 | } else if (!buf[sizeof(buf) - 1]) { |
2083 | // The line is longer than the buffer. Set a flag and don't |
2084 | // emit an error if we were going to ignore the line, anyway. |
2085 | long_line = true; |
2086 | |
2087 | #define CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free ((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2087); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2087);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; } \ |
2088 | if (long_line) { \ |
2089 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2089); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2089);; \ |
2090 | *msg_id = kmp_i18n_str_LongLineCpuinfo; \ |
2091 | return -1; \ |
2092 | } |
2093 | } |
2094 | (*line)++; |
2095 | |
2096 | char s1[] = "processor"; |
2097 | if (strncmp(buf, s1, sizeof(s1) - 1) == 0) { |
2098 | CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free ((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2098); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2098);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }; |
2099 | char *p = strchr(buf + sizeof(s1) - 1, ':'); |
2100 | unsigned val; |
2101 | if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1)) |
2102 | goto no_val; |
2103 | if (threadInfo[num_avail][osIdIndex0] != UINT_MAX(2147483647 *2U +1U)) |
2104 | #if KMP_ARCH_AARCH640 |
2105 | // Handle the old AArch64 /proc/cpuinfo layout differently, |
2106 | // it contains all of the 'processor' entries listed in a |
2107 | // single 'Processor' section, therefore the normal looking |
2108 | // for duplicates in that section will always fail. |
2109 | num_avail++; |
2110 | #else |
2111 | goto dup_field; |
2112 | #endif |
2113 | threadInfo[num_avail][osIdIndex0] = val; |
2114 | #if KMP_OS_LINUX1 && !(KMP_ARCH_X860 || KMP_ARCH_X86_641) |
2115 | char path[256]; |
2116 | KMP_SNPRINTFsnprintf( |
2117 | path, sizeof(path), |
2118 | "/sys/devices/system/cpu/cpu%u/topology/physical_package_id", |
2119 | threadInfo[num_avail][osIdIndex0]); |
2120 | __kmp_read_from_file(path, "%u", &threadInfo[num_avail][pkgIdIndex3]); |
2121 | |
2122 | KMP_SNPRINTFsnprintf(path, sizeof(path), |
2123 | "/sys/devices/system/cpu/cpu%u/topology/core_id", |
2124 | threadInfo[num_avail][osIdIndex0]); |
2125 | __kmp_read_from_file(path, "%u", &threadInfo[num_avail][coreIdIndex2]); |
2126 | continue; |
2127 | #else |
2128 | } |
2129 | char s2[] = "physical id"; |
2130 | if (strncmp(buf, s2, sizeof(s2) - 1) == 0) { |
2131 | CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free ((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2131); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2131);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }; |
2132 | char *p = strchr(buf + sizeof(s2) - 1, ':'); |
2133 | unsigned val; |
2134 | if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1)) |
2135 | goto no_val; |
2136 | if (threadInfo[num_avail][pkgIdIndex3] != UINT_MAX(2147483647 *2U +1U)) |
2137 | goto dup_field; |
2138 | threadInfo[num_avail][pkgIdIndex3] = val; |
2139 | continue; |
2140 | } |
2141 | char s3[] = "core id"; |
2142 | if (strncmp(buf, s3, sizeof(s3) - 1) == 0) { |
2143 | CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free ((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2143); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2143);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }; |
2144 | char *p = strchr(buf + sizeof(s3) - 1, ':'); |
2145 | unsigned val; |
2146 | if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1)) |
2147 | goto no_val; |
2148 | if (threadInfo[num_avail][coreIdIndex2] != UINT_MAX(2147483647 *2U +1U)) |
2149 | goto dup_field; |
2150 | threadInfo[num_avail][coreIdIndex2] = val; |
2151 | continue; |
2152 | #endif // KMP_OS_LINUX && USE_SYSFS_INFO |
2153 | } |
2154 | char s4[] = "thread id"; |
2155 | if (strncmp(buf, s4, sizeof(s4) - 1) == 0) { |
2156 | CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free ((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2156); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2156);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }; |
2157 | char *p = strchr(buf + sizeof(s4) - 1, ':'); |
2158 | unsigned val; |
2159 | if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1)) |
2160 | goto no_val; |
2161 | if (threadInfo[num_avail][threadIdIndex1] != UINT_MAX(2147483647 *2U +1U)) |
2162 | goto dup_field; |
2163 | threadInfo[num_avail][threadIdIndex1] = val; |
2164 | continue; |
2165 | } |
2166 | unsigned level; |
2167 | if (KMP_SSCANFsscanf(buf, "node_%u id", &level) == 1) { |
2168 | CHECK_LINEif (long_line) { for (i = 0; i <= num_records; i++) { ___kmp_free ((threadInfo[i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2168); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2168);; *msg_id = kmp_i18n_str_LongLineCpuinfo; return -1; }; |
2169 | char *p = strchr(buf + sizeof(s4) - 1, ':'); |
2170 | unsigned val; |
2171 | if ((p == NULL__null) || (KMP_SSCANFsscanf(p + 1, "%u\n", &val) != 1)) |
2172 | goto no_val; |
2173 | KMP_ASSERT(nodeIdIndex + level <= maxIndex)((4 + level <= maxIndex) ? 0 : __kmp_debug_assert("nodeIdIndex + level <= maxIndex" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2173)); |
2174 | if (threadInfo[num_avail][nodeIdIndex4 + level] != UINT_MAX(2147483647 *2U +1U)) |
2175 | goto dup_field; |
2176 | threadInfo[num_avail][nodeIdIndex4 + level] = val; |
2177 | continue; |
2178 | } |
2179 | |
2180 | // We didn't recognize the leading token on the line. There are lots of |
2181 | // leading tokens that we don't recognize - if the line isn't empty, go on |
2182 | // to the next line. |
2183 | if ((*buf != 0) && (*buf != '\n')) { |
2184 | // If the line is longer than the buffer, read characters |
2185 | // until we find a newline. |
2186 | if (long_line) { |
2187 | int ch; |
2188 | while (((ch = fgetc(f)) != EOF(-1)) && (ch != '\n')) |
2189 | ; |
2190 | } |
2191 | continue; |
2192 | } |
2193 | |
2194 | // A newline has signalled the end of the processor record. |
2195 | // Check that there aren't too many procs specified. |
2196 | if ((int)num_avail == __kmp_xproc) { |
2197 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2197); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2197);; |
2198 | *msg_id = kmp_i18n_str_TooManyEntries; |
2199 | return -1; |
2200 | } |
2201 | |
2202 | // Check for missing fields. The osId field must be there, and we |
2203 | // currently require that the physical id field is specified, also. |
2204 | if (threadInfo[num_avail][osIdIndex0] == UINT_MAX(2147483647 *2U +1U)) { |
2205 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2205); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2205);; |
2206 | *msg_id = kmp_i18n_str_MissingProcField; |
2207 | return -1; |
2208 | } |
2209 | if (threadInfo[0][pkgIdIndex3] == UINT_MAX(2147483647 *2U +1U)) { |
2210 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2210); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2210);; |
2211 | *msg_id = kmp_i18n_str_MissingPhysicalIDField; |
2212 | return -1; |
2213 | } |
2214 | |
2215 | // Skip this proc if it is not included in the machine model. |
2216 | if (!KMP_CPU_ISSET(threadInfo[num_avail][osIdIndex],(__kmp_affin_fullMask)->is_set(threadInfo[num_avail][0]) |
2217 | __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(threadInfo[num_avail][0])) { |
2218 | INIT_PROC_INFO(threadInfo[num_avail])for (__index = 0; __index <= maxIndex; __index++) { (threadInfo [num_avail])[__index] = (2147483647 *2U +1U); }; |
2219 | continue; |
2220 | } |
2221 | |
2222 | // We have a successful parse of this proc's info. |
2223 | // Increment the counter, and prepare for the next proc. |
2224 | num_avail++; |
2225 | KMP_ASSERT(num_avail <= num_records)((num_avail <= num_records) ? 0 : __kmp_debug_assert("num_avail <= num_records" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2225)); |
2226 | INIT_PROC_INFO(threadInfo[num_avail])for (__index = 0; __index <= maxIndex; __index++) { (threadInfo [num_avail])[__index] = (2147483647 *2U +1U); }; |
2227 | } |
2228 | continue; |
2229 | |
2230 | no_val: |
2231 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2231); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2231);; |
2232 | *msg_id = kmp_i18n_str_MissingValCpuinfo; |
2233 | return -1; |
2234 | |
2235 | dup_field: |
2236 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2236); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2236);; |
2237 | *msg_id = kmp_i18n_str_DuplicateFieldCpuinfo; |
2238 | return -1; |
2239 | } |
2240 | *line = 0; |
2241 | |
2242 | #if KMP_MIC0 && REDUCE_TEAM_SIZE |
2243 | unsigned teamSize = 0; |
2244 | #endif // KMP_MIC && REDUCE_TEAM_SIZE |
2245 | |
2246 | // check for num_records == __kmp_xproc ??? |
2247 | |
2248 | // If there's only one thread context to bind to, form an Address object with |
2249 | // depth 1 and return immediately (or, if affinity is off, set address2os to |
2250 | // NULL and return). |
2251 | // |
2252 | // If it is configured to omit the package level when there is only a single |
2253 | // package, the logic at the end of this routine won't work if there is only a |
2254 | // single thread - it would try to form an Address object with depth 0. |
2255 | KMP_ASSERT(num_avail > 0)((num_avail > 0) ? 0 : __kmp_debug_assert("num_avail > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2255)); |
2256 | KMP_ASSERT(num_avail <= num_records)((num_avail <= num_records) ? 0 : __kmp_debug_assert("num_avail <= num_records" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2256)); |
2257 | if (num_avail == 1) { |
2258 | __kmp_ncores = 1; |
2259 | __kmp_nThreadsPerCore = nCoresPerPkg = nPackages = 1; |
2260 | if (__kmp_affinity_verbose) { |
2261 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
2262 | KMP_INFORM(AffNotCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseCpuinfo , "KMP_AFFINITY"), __kmp_msg_null); |
2263 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
2264 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
2265 | } else { |
2266 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
2267 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, |
2268 | __kmp_affin_fullMask); |
2269 | KMP_INFORM(AffCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffCapableUseCpuinfo , "KMP_AFFINITY"), __kmp_msg_null); |
2270 | if (__kmp_affinity_respect_mask) { |
2271 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
2272 | } else { |
2273 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
2274 | } |
2275 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
2276 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
2277 | } |
2278 | int index; |
2279 | kmp_str_buf_t buf; |
2280 | __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size = sizeof((&buf)->bulk); (&buf)->used = 0; (& buf)->bulk[0] = 0; }; |
2281 | __kmp_str_buf_print(&buf, "1"); |
2282 | for (index = maxIndex - 1; index > pkgIdIndex3; index--) { |
2283 | __kmp_str_buf_print(&buf, " x 1"); |
2284 | } |
2285 | KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, 1, 1, 1)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_AFFINITY", buf.str, 1, 1, 1), __kmp_msg_null); |
2286 | __kmp_str_buf_free(&buf); |
2287 | } |
2288 | |
2289 | if (__kmp_affinity_type == affinity_none) { |
2290 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2290); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2290);; |
2291 | return 0; |
2292 | } |
2293 | |
2294 | *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair))___kmp_allocate((sizeof(AddrUnsPair)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2294); |
2295 | Address addr(1); |
2296 | addr.labels[0] = threadInfo[0][pkgIdIndex3]; |
2297 | (*address2os)[0] = AddrUnsPair(addr, threadInfo[0][osIdIndex0]); |
2298 | |
2299 | if (__kmp_affinity_gran_levels < 0) { |
2300 | __kmp_affinity_gran_levels = 0; |
2301 | } |
2302 | |
2303 | if (__kmp_affinity_verbose) { |
2304 | __kmp_affinity_print_topology(*address2os, 1, 1, 0, -1, -1); |
2305 | } |
2306 | |
2307 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2307); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2307);; |
2308 | return 1; |
2309 | } |
2310 | |
2311 | // Sort the threadInfo table by physical Id. |
2312 | qsort(threadInfo, num_avail, sizeof(*threadInfo), |
2313 | __kmp_affinity_cmp_ProcCpuInfo_phys_id); |
2314 | |
2315 | // The table is now sorted by pkgId / coreId / threadId, but we really don't |
2316 | // know the radix of any of the fields. pkgId's may be sparsely assigned among |
2317 | // the chips on a system. Although coreId's are usually assigned |
2318 | // [0 .. coresPerPkg-1] and threadId's are usually assigned |
2319 | // [0..threadsPerCore-1], we don't want to make any such assumptions. |
2320 | // |
2321 | // For that matter, we don't know what coresPerPkg and threadsPerCore (or the |
2322 | // total # packages) are at this point - we want to determine that now. We |
2323 | // only have an upper bound on the first two figures. |
2324 | unsigned *counts = |
2325 | (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2325); |
2326 | unsigned *maxCt = |
2327 | (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2327); |
2328 | unsigned *totals = |
2329 | (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2329); |
2330 | unsigned *lastId = |
2331 | (unsigned *)__kmp_allocate((maxIndex + 1) * sizeof(unsigned))___kmp_allocate(((maxIndex + 1) * sizeof(unsigned)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2331); |
2332 | |
2333 | bool assign_thread_ids = false; |
2334 | unsigned threadIdCt; |
2335 | unsigned index; |
2336 | |
2337 | restart_radix_check: |
2338 | threadIdCt = 0; |
2339 | |
2340 | // Initialize the counter arrays with data from threadInfo[0]. |
2341 | if (assign_thread_ids) { |
2342 | if (threadInfo[0][threadIdIndex1] == UINT_MAX(2147483647 *2U +1U)) { |
2343 | threadInfo[0][threadIdIndex1] = threadIdCt++; |
2344 | } else if (threadIdCt <= threadInfo[0][threadIdIndex1]) { |
2345 | threadIdCt = threadInfo[0][threadIdIndex1] + 1; |
2346 | } |
2347 | } |
2348 | for (index = 0; index <= maxIndex; index++) { |
2349 | counts[index] = 1; |
2350 | maxCt[index] = 1; |
2351 | totals[index] = 1; |
2352 | lastId[index] = threadInfo[0][index]; |
2353 | ; |
2354 | } |
2355 | |
2356 | // Run through the rest of the OS procs. |
2357 | for (i = 1; i < num_avail; i++) { |
2358 | // Find the most significant index whose id differs from the id for the |
2359 | // previous OS proc. |
2360 | for (index = maxIndex; index >= threadIdIndex1; index--) { |
2361 | if (assign_thread_ids && (index == threadIdIndex1)) { |
2362 | // Auto-assign the thread id field if it wasn't specified. |
2363 | if (threadInfo[i][threadIdIndex1] == UINT_MAX(2147483647 *2U +1U)) { |
2364 | threadInfo[i][threadIdIndex1] = threadIdCt++; |
2365 | } |
2366 | // Apparently the thread id field was specified for some entries and not |
2367 | // others. Start the thread id counter off at the next higher thread id. |
2368 | else if (threadIdCt <= threadInfo[i][threadIdIndex1]) { |
2369 | threadIdCt = threadInfo[i][threadIdIndex1] + 1; |
2370 | } |
2371 | } |
2372 | if (threadInfo[i][index] != lastId[index]) { |
2373 | // Run through all indices which are less significant, and reset the |
2374 | // counts to 1. At all levels up to and including index, we need to |
2375 | // increment the totals and record the last id. |
2376 | unsigned index2; |
2377 | for (index2 = threadIdIndex1; index2 < index; index2++) { |
2378 | totals[index2]++; |
2379 | if (counts[index2] > maxCt[index2]) { |
2380 | maxCt[index2] = counts[index2]; |
2381 | } |
2382 | counts[index2] = 1; |
2383 | lastId[index2] = threadInfo[i][index2]; |
2384 | } |
2385 | counts[index]++; |
2386 | totals[index]++; |
2387 | lastId[index] = threadInfo[i][index]; |
2388 | |
2389 | if (assign_thread_ids && (index > threadIdIndex1)) { |
2390 | |
2391 | #if KMP_MIC0 && REDUCE_TEAM_SIZE |
2392 | // The default team size is the total #threads in the machine |
2393 | // minus 1 thread for every core that has 3 or more threads. |
2394 | teamSize += (threadIdCt <= 2) ? (threadIdCt) : (threadIdCt - 1); |
2395 | #endif // KMP_MIC && REDUCE_TEAM_SIZE |
2396 | |
2397 | // Restart the thread counter, as we are on a new core. |
2398 | threadIdCt = 0; |
2399 | |
2400 | // Auto-assign the thread id field if it wasn't specified. |
2401 | if (threadInfo[i][threadIdIndex1] == UINT_MAX(2147483647 *2U +1U)) { |
2402 | threadInfo[i][threadIdIndex1] = threadIdCt++; |
2403 | } |
2404 | |
2405 | // Aparrently the thread id field was specified for some entries and |
2406 | // not others. Start the thread id counter off at the next higher |
2407 | // thread id. |
2408 | else if (threadIdCt <= threadInfo[i][threadIdIndex1]) { |
2409 | threadIdCt = threadInfo[i][threadIdIndex1] + 1; |
2410 | } |
2411 | } |
2412 | break; |
2413 | } |
2414 | } |
2415 | if (index < threadIdIndex1) { |
2416 | // If thread ids were specified, it is an error if they are not unique. |
2417 | // Also, check that we waven't already restarted the loop (to be safe - |
2418 | // shouldn't need to). |
2419 | if ((threadInfo[i][threadIdIndex1] != UINT_MAX(2147483647 *2U +1U)) || assign_thread_ids) { |
2420 | __kmp_free(lastId)___kmp_free((lastId), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2420); |
2421 | __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2421); |
2422 | __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2422); |
2423 | __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2423); |
2424 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2424); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2424);; |
2425 | *msg_id = kmp_i18n_str_PhysicalIDsNotUnique; |
2426 | return -1; |
2427 | } |
2428 | |
2429 | // If the thread ids were not specified and we see entries entries that |
2430 | // are duplicates, start the loop over and assign the thread ids manually. |
2431 | assign_thread_ids = true; |
2432 | goto restart_radix_check; |
2433 | } |
2434 | } |
2435 | |
2436 | #if KMP_MIC0 && REDUCE_TEAM_SIZE |
2437 | // The default team size is the total #threads in the machine |
2438 | // minus 1 thread for every core that has 3 or more threads. |
2439 | teamSize += (threadIdCt <= 2) ? (threadIdCt) : (threadIdCt - 1); |
2440 | #endif // KMP_MIC && REDUCE_TEAM_SIZE |
2441 | |
2442 | for (index = threadIdIndex1; index <= maxIndex; index++) { |
2443 | if (counts[index] > maxCt[index]) { |
2444 | maxCt[index] = counts[index]; |
2445 | } |
2446 | } |
2447 | |
2448 | __kmp_nThreadsPerCore = maxCt[threadIdIndex1]; |
2449 | nCoresPerPkg = maxCt[coreIdIndex2]; |
2450 | nPackages = totals[pkgIdIndex3]; |
2451 | |
2452 | // Check to see if the machine topology is uniform |
2453 | unsigned prod = totals[maxIndex]; |
2454 | for (index = threadIdIndex1; index < maxIndex; index++) { |
2455 | prod *= maxCt[index]; |
2456 | } |
2457 | bool uniform = (prod == totals[threadIdIndex1]); |
2458 | |
2459 | // When affinity is off, this routine will still be called to set |
2460 | // __kmp_ncores, as well as __kmp_nThreadsPerCore, nCoresPerPkg, & nPackages. |
2461 | // Make sure all these vars are set correctly, and return now if affinity is |
2462 | // not enabled. |
2463 | __kmp_ncores = totals[coreIdIndex2]; |
2464 | |
2465 | if (__kmp_affinity_verbose) { |
2466 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
2467 | KMP_INFORM(AffNotCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffNotCapableUseCpuinfo , "KMP_AFFINITY"), __kmp_msg_null); |
2468 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
2469 | if (uniform) { |
2470 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
2471 | } else { |
2472 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
2473 | } |
2474 | } else { |
2475 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
2476 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, |
2477 | __kmp_affin_fullMask); |
2478 | KMP_INFORM(AffCapableUseCpuinfo, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffCapableUseCpuinfo , "KMP_AFFINITY"), __kmp_msg_null); |
2479 | if (__kmp_affinity_respect_mask) { |
2480 | KMP_INFORM(InitOSProcSetRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
2481 | } else { |
2482 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_AFFINITY", buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_AFFINITY", buf), __kmp_msg_null); |
2483 | } |
2484 | KMP_INFORM(AvailableOSProc, "KMP_AFFINITY", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_AFFINITY", __kmp_avail_proc), __kmp_msg_null); |
2485 | if (uniform) { |
2486 | KMP_INFORM(Uniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_Uniform , "KMP_AFFINITY"), __kmp_msg_null); |
2487 | } else { |
2488 | KMP_INFORM(NonUniform, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_NonUniform , "KMP_AFFINITY"), __kmp_msg_null); |
2489 | } |
2490 | } |
2491 | kmp_str_buf_t buf; |
2492 | __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size = sizeof((&buf)->bulk); (&buf)->used = 0; (& buf)->bulk[0] = 0; }; |
2493 | |
2494 | __kmp_str_buf_print(&buf, "%d", totals[maxIndex]); |
2495 | for (index = maxIndex - 1; index >= pkgIdIndex3; index--) { |
2496 | __kmp_str_buf_print(&buf, " x %d", maxCt[index]); |
2497 | } |
2498 | KMP_INFORM(TopologyExtra, "KMP_AFFINITY", buf.str, maxCt[coreIdIndex],__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_AFFINITY", buf.str, maxCt[2], maxCt[1], __kmp_ncores), __kmp_msg_null) |
2499 | maxCt[threadIdIndex], __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_AFFINITY", buf.str, maxCt[2], maxCt[1], __kmp_ncores), __kmp_msg_null); |
2500 | |
2501 | __kmp_str_buf_free(&buf); |
2502 | } |
2503 | |
2504 | #if KMP_MIC0 && REDUCE_TEAM_SIZE |
2505 | // Set the default team size. |
2506 | if ((__kmp_dflt_team_nth == 0) && (teamSize > 0)) { |
2507 | __kmp_dflt_team_nth = teamSize; |
2508 | KA_TRACE(20, ("__kmp_affinity_create_cpuinfo_map: setting "if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_affinity_create_cpuinfo_map: setting " "__kmp_dflt_team_nth = %d\n", __kmp_dflt_team_nth); } |
2509 | "__kmp_dflt_team_nth = %d\n",if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_affinity_create_cpuinfo_map: setting " "__kmp_dflt_team_nth = %d\n", __kmp_dflt_team_nth); } |
2510 | __kmp_dflt_team_nth))if (kmp_a_debug >= 20) { __kmp_debug_printf ("__kmp_affinity_create_cpuinfo_map: setting " "__kmp_dflt_team_nth = %d\n", __kmp_dflt_team_nth); }; |
2511 | } |
2512 | #endif // KMP_MIC && REDUCE_TEAM_SIZE |
2513 | |
2514 | KMP_DEBUG_ASSERT(__kmp_pu_os_idx == NULL)((__kmp_pu_os_idx == __null) ? 0 : __kmp_debug_assert("__kmp_pu_os_idx == __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2514)); |
2515 | KMP_DEBUG_ASSERT(num_avail == __kmp_avail_proc)((num_avail == __kmp_avail_proc) ? 0 : __kmp_debug_assert("num_avail == __kmp_avail_proc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2515)); |
2516 | __kmp_pu_os_idx = (int *)__kmp_allocate(sizeof(int) * __kmp_avail_proc)___kmp_allocate((sizeof(int) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2516); |
2517 | for (i = 0; i < num_avail; ++i) { // fill the os indices |
2518 | __kmp_pu_os_idx[i] = threadInfo[i][osIdIndex0]; |
2519 | } |
2520 | |
2521 | if (__kmp_affinity_type == affinity_none) { |
2522 | __kmp_free(lastId)___kmp_free((lastId), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2522); |
2523 | __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2523); |
2524 | __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2524); |
2525 | __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2525); |
2526 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2526); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2526);; |
2527 | return 0; |
2528 | } |
2529 | |
2530 | // Count the number of levels which have more nodes at that level than at the |
2531 | // parent's level (with there being an implicit root node of the top level). |
2532 | // This is equivalent to saying that there is at least one node at this level |
2533 | // which has a sibling. These levels are in the map, and the package level is |
2534 | // always in the map. |
2535 | bool *inMap = (bool *)__kmp_allocate((maxIndex + 1) * sizeof(bool))___kmp_allocate(((maxIndex + 1) * sizeof(bool)), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2535); |
2536 | int level = 0; |
2537 | for (index = threadIdIndex1; index < maxIndex; index++) { |
2538 | KMP_ASSERT(totals[index] >= totals[index + 1])((totals[index] >= totals[index + 1]) ? 0 : __kmp_debug_assert ("totals[index] >= totals[index + 1]", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2538)); |
2539 | inMap[index] = (totals[index] > totals[index + 1]); |
2540 | } |
2541 | inMap[maxIndex] = (totals[maxIndex] > 1); |
2542 | inMap[pkgIdIndex3] = true; |
2543 | |
2544 | int depth = 0; |
2545 | for (index = threadIdIndex1; index <= maxIndex; index++) { |
2546 | if (inMap[index]) { |
2547 | depth++; |
2548 | } |
2549 | } |
2550 | KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2550)); |
2551 | |
2552 | // Construct the data structure that is to be returned. |
2553 | *address2os = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) * num_avail)___kmp_allocate((sizeof(AddrUnsPair) * num_avail), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2553); |
2554 | int pkgLevel = -1; |
2555 | int coreLevel = -1; |
2556 | int threadLevel = -1; |
2557 | |
2558 | for (i = 0; i < num_avail; ++i) { |
2559 | Address addr(depth); |
2560 | unsigned os = threadInfo[i][osIdIndex0]; |
2561 | int src_index; |
2562 | int dst_index = 0; |
2563 | |
2564 | for (src_index = maxIndex; src_index >= threadIdIndex1; src_index--) { |
2565 | if (!inMap[src_index]) { |
2566 | continue; |
2567 | } |
2568 | addr.labels[dst_index] = threadInfo[i][src_index]; |
2569 | if (src_index == pkgIdIndex3) { |
2570 | pkgLevel = dst_index; |
2571 | } else if (src_index == coreIdIndex2) { |
2572 | coreLevel = dst_index; |
2573 | } else if (src_index == threadIdIndex1) { |
2574 | threadLevel = dst_index; |
2575 | } |
2576 | dst_index++; |
2577 | } |
2578 | (*address2os)[i] = AddrUnsPair(addr, os); |
2579 | } |
2580 | |
2581 | if (__kmp_affinity_gran_levels < 0) { |
2582 | // Set the granularity level based on what levels are modeled |
2583 | // in the machine topology map. |
2584 | unsigned src_index; |
2585 | __kmp_affinity_gran_levels = 0; |
2586 | for (src_index = threadIdIndex1; src_index <= maxIndex; src_index++) { |
2587 | if (!inMap[src_index]) { |
2588 | continue; |
2589 | } |
2590 | switch (src_index) { |
2591 | case threadIdIndex1: |
2592 | if (__kmp_affinity_gran > affinity_gran_thread) { |
2593 | __kmp_affinity_gran_levels++; |
2594 | } |
2595 | |
2596 | break; |
2597 | case coreIdIndex2: |
2598 | if (__kmp_affinity_gran > affinity_gran_core) { |
2599 | __kmp_affinity_gran_levels++; |
2600 | } |
2601 | break; |
2602 | |
2603 | case pkgIdIndex3: |
2604 | if (__kmp_affinity_gran > affinity_gran_package) { |
2605 | __kmp_affinity_gran_levels++; |
2606 | } |
2607 | break; |
2608 | } |
2609 | } |
2610 | } |
2611 | |
2612 | if (__kmp_affinity_verbose) { |
2613 | __kmp_affinity_print_topology(*address2os, num_avail, depth, pkgLevel, |
2614 | coreLevel, threadLevel); |
2615 | } |
2616 | |
2617 | __kmp_free(inMap)___kmp_free((inMap), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2617); |
2618 | __kmp_free(lastId)___kmp_free((lastId), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2618); |
2619 | __kmp_free(totals)___kmp_free((totals), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2619); |
2620 | __kmp_free(maxCt)___kmp_free((maxCt), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2620); |
2621 | __kmp_free(counts)___kmp_free((counts), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2621); |
2622 | CLEANUP_THREAD_INFOfor (i = 0; i <= num_records; i++) { ___kmp_free((threadInfo [i]), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2622); } ___kmp_free((threadInfo), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2622);; |
2623 | return depth; |
2624 | } |
2625 | |
2626 | // Create and return a table of affinity masks, indexed by OS thread ID. |
2627 | // This routine handles OR'ing together all the affinity masks of threads |
2628 | // that are sufficiently close, if granularity > fine. |
2629 | static kmp_affin_mask_t *__kmp_create_masks(unsigned *maxIndex, |
2630 | unsigned *numUnique, |
2631 | AddrUnsPair *address2os, |
2632 | unsigned numAddrs) { |
2633 | // First form a table of affinity masks in order of OS thread id. |
2634 | unsigned depth; |
2635 | unsigned maxOsId; |
2636 | unsigned i; |
2637 | |
2638 | KMP_ASSERT(numAddrs > 0)((numAddrs > 0) ? 0 : __kmp_debug_assert("numAddrs > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2638)); |
2639 | depth = address2os[0].first.depth; |
2640 | |
2641 | maxOsId = 0; |
2642 | for (i = numAddrs - 1;; --i) { |
2643 | unsigned osId = address2os[i].second; |
2644 | if (osId > maxOsId) { |
2645 | maxOsId = osId; |
2646 | } |
2647 | if (i == 0) |
2648 | break; |
2649 | } |
2650 | kmp_affin_mask_t *osId2Mask; |
2651 | KMP_CPU_ALLOC_ARRAY(osId2Mask, (maxOsId + 1))(osId2Mask = __kmp_affinity_dispatch->allocate_mask_array( (maxOsId + 1))); |
2652 | |
2653 | // Sort the address2os table according to physical order. Doing so will put |
2654 | // all threads on the same core/package/node in consecutive locations. |
2655 | qsort(address2os, numAddrs, sizeof(*address2os), |
2656 | __kmp_affinity_cmp_Address_labels); |
2657 | |
2658 | KMP_ASSERT(__kmp_affinity_gran_levels >= 0)((__kmp_affinity_gran_levels >= 0) ? 0 : __kmp_debug_assert ("__kmp_affinity_gran_levels >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2658)); |
2659 | if (__kmp_affinity_verbose && (__kmp_affinity_gran_levels > 0)) { |
2660 | KMP_INFORM(ThreadsMigrate, "KMP_AFFINITY", __kmp_affinity_gran_levels)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_ThreadsMigrate , "KMP_AFFINITY", __kmp_affinity_gran_levels), __kmp_msg_null ); |
2661 | } |
2662 | if (__kmp_affinity_gran_levels >= (int)depth) { |
2663 | if (__kmp_affinity_verbose || |
2664 | (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none))) { |
2665 | KMP_WARNING(AffThreadsMayMigrate)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffThreadsMayMigrate ), __kmp_msg_null); |
2666 | } |
2667 | } |
2668 | |
2669 | // Run through the table, forming the masks for all threads on each core. |
2670 | // Threads on the same core will have identical "Address" objects, not |
2671 | // considering the last level, which must be the thread id. All threads on a |
2672 | // core will appear consecutively. |
2673 | unsigned unique = 0; |
2674 | unsigned j = 0; // index of 1st thread on core |
2675 | unsigned leader = 0; |
2676 | Address *leaderAddr = &(address2os[0].first); |
2677 | kmp_affin_mask_t *sum; |
2678 | KMP_CPU_ALLOC_ON_STACK(sum)(sum = __kmp_affinity_dispatch->allocate_mask()); |
2679 | KMP_CPU_ZERO(sum)(sum)->zero(); |
2680 | KMP_CPU_SET(address2os[0].second, sum)(sum)->set(address2os[0].second); |
2681 | for (i = 1; i < numAddrs; i++) { |
2682 | // If this thread is sufficiently close to the leader (within the |
2683 | // granularity setting), then set the bit for this os thread in the |
2684 | // affinity mask for this group, and go on to the next thread. |
2685 | if (leaderAddr->isClose(address2os[i].first, __kmp_affinity_gran_levels)) { |
2686 | KMP_CPU_SET(address2os[i].second, sum)(sum)->set(address2os[i].second); |
2687 | continue; |
2688 | } |
2689 | |
2690 | // For every thread in this group, copy the mask to the thread's entry in |
2691 | // the osId2Mask table. Mark the first address as a leader. |
2692 | for (; j < i; j++) { |
2693 | unsigned osId = address2os[j].second; |
2694 | KMP_DEBUG_ASSERT(osId <= maxOsId)((osId <= maxOsId) ? 0 : __kmp_debug_assert("osId <= maxOsId" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2694)); |
2695 | kmp_affin_mask_t *mask = KMP_CPU_INDEX(osId2Mask, osId)__kmp_affinity_dispatch->index_mask_array(osId2Mask, osId); |
2696 | KMP_CPU_COPY(mask, sum)(mask)->copy(sum); |
2697 | address2os[j].first.leader = (j == leader); |
2698 | } |
2699 | unique++; |
2700 | |
2701 | // Start a new mask. |
2702 | leader = i; |
2703 | leaderAddr = &(address2os[i].first); |
2704 | KMP_CPU_ZERO(sum)(sum)->zero(); |
2705 | KMP_CPU_SET(address2os[i].second, sum)(sum)->set(address2os[i].second); |
2706 | } |
2707 | |
2708 | // For every thread in last group, copy the mask to the thread's |
2709 | // entry in the osId2Mask table. |
2710 | for (; j < i; j++) { |
2711 | unsigned osId = address2os[j].second; |
2712 | KMP_DEBUG_ASSERT(osId <= maxOsId)((osId <= maxOsId) ? 0 : __kmp_debug_assert("osId <= maxOsId" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2712)); |
2713 | kmp_affin_mask_t *mask = KMP_CPU_INDEX(osId2Mask, osId)__kmp_affinity_dispatch->index_mask_array(osId2Mask, osId); |
2714 | KMP_CPU_COPY(mask, sum)(mask)->copy(sum); |
2715 | address2os[j].first.leader = (j == leader); |
2716 | } |
2717 | unique++; |
2718 | KMP_CPU_FREE_FROM_STACK(sum)__kmp_affinity_dispatch->deallocate_mask(sum); |
2719 | |
2720 | *maxIndex = maxOsId; |
2721 | *numUnique = unique; |
2722 | return osId2Mask; |
2723 | } |
2724 | |
2725 | // Stuff for the affinity proclist parsers. It's easier to declare these vars |
2726 | // as file-static than to try and pass them through the calling sequence of |
2727 | // the recursive-descent OMP_PLACES parser. |
2728 | static kmp_affin_mask_t *newMasks; |
2729 | static int numNewMasks; |
2730 | static int nextNewMask; |
2731 | |
2732 | #define ADD_MASK(_mask) \ |
2733 | { \ |
2734 | if (nextNewMask >= numNewMasks) { \ |
2735 | int i; \ |
2736 | numNewMasks *= 2; \ |
2737 | kmp_affin_mask_t *temp; \ |
2738 | KMP_CPU_INTERNAL_ALLOC_ARRAY(temp, numNewMasks)(temp = __kmp_affinity_dispatch->allocate_mask_array(numNewMasks )); \ |
2739 | for (i = 0; i < numNewMasks / 2; i++) { \ |
2740 | kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i)__kmp_affinity_dispatch->index_mask_array(newMasks, i); \ |
2741 | kmp_affin_mask_t *dest = KMP_CPU_INDEX(temp, i)__kmp_affinity_dispatch->index_mask_array(temp, i); \ |
2742 | KMP_CPU_COPY(dest, src)(dest)->copy(src); \ |
2743 | } \ |
2744 | KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks / 2)__kmp_affinity_dispatch->deallocate_mask_array(newMasks); \ |
2745 | newMasks = temp; \ |
2746 | } \ |
2747 | KMP_CPU_COPY(KMP_CPU_INDEX(newMasks, nextNewMask), (_mask))(__kmp_affinity_dispatch->index_mask_array(newMasks, nextNewMask ))->copy((_mask)); \ |
2748 | nextNewMask++; \ |
2749 | } |
2750 | |
2751 | #define ADD_MASK_OSID(_osId, _osId2Mask, _maxOsId) \ |
2752 | { \ |
2753 | if (((_osId) > _maxOsId) || \ |
2754 | (!KMP_CPU_ISSET((_osId), KMP_CPU_INDEX((_osId2Mask), (_osId)))(__kmp_affinity_dispatch->index_mask_array((_osId2Mask), ( _osId)))->is_set((_osId)))) { \ |
2755 | if (__kmp_affinity_verbose || \ |
2756 | (__kmp_affinity_warnings && \ |
2757 | (__kmp_affinity_type != affinity_none))) { \ |
2758 | KMP_WARNING(AffIgnoreInvalidProcID, _osId)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , _osId), __kmp_msg_null); \ |
2759 | } \ |
2760 | } else { \ |
2761 | ADD_MASK(KMP_CPU_INDEX(_osId2Mask, (_osId))__kmp_affinity_dispatch->index_mask_array(_osId2Mask, (_osId ))); \ |
2762 | } \ |
2763 | } |
2764 | |
2765 | // Re-parse the proclist (for the explicit affinity type), and form the list |
2766 | // of affinity newMasks indexed by gtid. |
2767 | static void __kmp_affinity_process_proclist(kmp_affin_mask_t **out_masks, |
2768 | unsigned int *out_numMasks, |
2769 | const char *proclist, |
2770 | kmp_affin_mask_t *osId2Mask, |
2771 | int maxOsId) { |
2772 | int i; |
2773 | const char *scan = proclist; |
2774 | const char *next = proclist; |
2775 | |
2776 | // We use malloc() for the temporary mask vector, so that we can use |
2777 | // realloc() to extend it. |
2778 | numNewMasks = 2; |
2779 | KMP_CPU_INTERNAL_ALLOC_ARRAY(newMasks, numNewMasks)(newMasks = __kmp_affinity_dispatch->allocate_mask_array(numNewMasks )); |
2780 | nextNewMask = 0; |
2781 | kmp_affin_mask_t *sumMask; |
2782 | KMP_CPU_ALLOC(sumMask)(sumMask = __kmp_affinity_dispatch->allocate_mask()); |
2783 | int setSize = 0; |
2784 | |
2785 | for (;;) { |
2786 | int start, end, stride; |
2787 | |
2788 | SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; }; |
2789 | next = scan; |
2790 | if (*next == '\0') { |
2791 | break; |
2792 | } |
2793 | |
2794 | if (*next == '{') { |
2795 | int num; |
2796 | setSize = 0; |
2797 | next++; // skip '{' |
2798 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2799 | scan = next; |
2800 | |
2801 | // Read the first integer in the set. |
2802 | KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad proclist")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert (("bad proclist"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2802)); |
2803 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
2804 | num = __kmp_str_to_int(scan, *next); |
2805 | KMP_ASSERT2(num >= 0, "bad explicit proc list")((num >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2805)); |
2806 | |
2807 | // Copy the mask for that osId to the sum (union) mask. |
2808 | if ((num > maxOsId) || |
2809 | (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, num) )->is_set(num))) { |
2810 | if (__kmp_affinity_verbose || |
2811 | (__kmp_affinity_warnings && |
2812 | (__kmp_affinity_type != affinity_none))) { |
2813 | KMP_WARNING(AffIgnoreInvalidProcID, num)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , num), __kmp_msg_null); |
2814 | } |
2815 | KMP_CPU_ZERO(sumMask)(sumMask)->zero(); |
2816 | } else { |
2817 | KMP_CPU_COPY(sumMask, KMP_CPU_INDEX(osId2Mask, num))(sumMask)->copy(__kmp_affinity_dispatch->index_mask_array (osId2Mask, num)); |
2818 | setSize = 1; |
2819 | } |
2820 | |
2821 | for (;;) { |
2822 | // Check for end of set. |
2823 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2824 | if (*next == '}') { |
2825 | next++; // skip '}' |
2826 | break; |
2827 | } |
2828 | |
2829 | // Skip optional comma. |
2830 | if (*next == ',') { |
2831 | next++; |
2832 | } |
2833 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2834 | |
2835 | // Read the next integer in the set. |
2836 | scan = next; |
2837 | KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert (("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2837)); |
2838 | |
2839 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
2840 | num = __kmp_str_to_int(scan, *next); |
2841 | KMP_ASSERT2(num >= 0, "bad explicit proc list")((num >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2841)); |
2842 | |
2843 | // Add the mask for that osId to the sum mask. |
2844 | if ((num > maxOsId) || |
2845 | (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, num) )->is_set(num))) { |
2846 | if (__kmp_affinity_verbose || |
2847 | (__kmp_affinity_warnings && |
2848 | (__kmp_affinity_type != affinity_none))) { |
2849 | KMP_WARNING(AffIgnoreInvalidProcID, num)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , num), __kmp_msg_null); |
2850 | } |
2851 | } else { |
2852 | KMP_CPU_UNION(sumMask, KMP_CPU_INDEX(osId2Mask, num))(sumMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array (osId2Mask, num)); |
2853 | setSize++; |
2854 | } |
2855 | } |
2856 | if (setSize > 0) { |
2857 | ADD_MASK(sumMask); |
2858 | } |
2859 | |
2860 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2861 | if (*next == ',') { |
2862 | next++; |
2863 | } |
2864 | scan = next; |
2865 | continue; |
2866 | } |
2867 | |
2868 | // Read the first integer. |
2869 | KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert (("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2869)); |
2870 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
2871 | start = __kmp_str_to_int(scan, *next); |
2872 | KMP_ASSERT2(start >= 0, "bad explicit proc list")((start >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2872)); |
2873 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2874 | |
2875 | // If this isn't a range, then add a mask to the list and go on. |
2876 | if (*next != '-') { |
2877 | ADD_MASK_OSID(start, osId2Mask, maxOsId); |
2878 | |
2879 | // Skip optional comma. |
2880 | if (*next == ',') { |
2881 | next++; |
2882 | } |
2883 | scan = next; |
2884 | continue; |
2885 | } |
2886 | |
2887 | // This is a range. Skip over the '-' and read in the 2nd int. |
2888 | next++; // skip '-' |
2889 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2890 | scan = next; |
2891 | KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert (("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2891)); |
2892 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
2893 | end = __kmp_str_to_int(scan, *next); |
2894 | KMP_ASSERT2(end >= 0, "bad explicit proc list")((end >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2894)); |
2895 | |
2896 | // Check for a stride parameter |
2897 | stride = 1; |
2898 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2899 | if (*next == ':') { |
2900 | // A stride is specified. Skip over the ':" and read the 3rd int. |
2901 | int sign = +1; |
2902 | next++; // skip ':' |
2903 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2904 | scan = next; |
2905 | if (*next == '-') { |
2906 | sign = -1; |
2907 | next++; |
2908 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2909 | scan = next; |
2910 | } |
2911 | KMP_ASSERT2((*next >= '0') && (*next <= '9'), "bad explicit proc list")(((*next >= '0') && (*next <= '9')) ? 0 : __kmp_debug_assert (("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2911)); |
2912 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
2913 | stride = __kmp_str_to_int(scan, *next); |
2914 | KMP_ASSERT2(stride >= 0, "bad explicit proc list")((stride >= 0) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2914)); |
2915 | stride *= sign; |
2916 | } |
2917 | |
2918 | // Do some range checks. |
2919 | KMP_ASSERT2(stride != 0, "bad explicit proc list")((stride != 0) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2919)); |
2920 | if (stride > 0) { |
2921 | KMP_ASSERT2(start <= end, "bad explicit proc list")((start <= end) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2921)); |
2922 | } else { |
2923 | KMP_ASSERT2(start >= end, "bad explicit proc list")((start >= end) ? 0 : __kmp_debug_assert(("bad explicit proc list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2923)); |
2924 | } |
2925 | KMP_ASSERT2((end - start) / stride <= 65536, "bad explicit proc list")(((end - start) / stride <= 65536) ? 0 : __kmp_debug_assert (("bad explicit proc list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2925)); |
2926 | |
2927 | // Add the mask for each OS proc # to the list. |
2928 | if (stride > 0) { |
2929 | do { |
2930 | ADD_MASK_OSID(start, osId2Mask, maxOsId); |
2931 | start += stride; |
2932 | } while (start <= end); |
2933 | } else { |
2934 | do { |
2935 | ADD_MASK_OSID(start, osId2Mask, maxOsId); |
2936 | start += stride; |
2937 | } while (start >= end); |
2938 | } |
2939 | |
2940 | // Skip optional comma. |
2941 | SKIP_WS(next){ while (*(next) == ' ' || *(next) == '\t') (next)++; }; |
2942 | if (*next == ',') { |
2943 | next++; |
2944 | } |
2945 | scan = next; |
2946 | } |
2947 | |
2948 | *out_numMasks = nextNewMask; |
2949 | if (nextNewMask == 0) { |
2950 | *out_masks = NULL__null; |
2951 | KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks); |
2952 | return; |
2953 | } |
2954 | KMP_CPU_ALLOC_ARRAY((*out_masks), nextNewMask)((*out_masks) = __kmp_affinity_dispatch->allocate_mask_array (nextNewMask)); |
2955 | for (i = 0; i < nextNewMask; i++) { |
2956 | kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i)__kmp_affinity_dispatch->index_mask_array(newMasks, i); |
2957 | kmp_affin_mask_t *dest = KMP_CPU_INDEX((*out_masks), i)__kmp_affinity_dispatch->index_mask_array((*out_masks), i); |
2958 | KMP_CPU_COPY(dest, src)(dest)->copy(src); |
2959 | } |
2960 | KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks); |
2961 | KMP_CPU_FREE(sumMask)__kmp_affinity_dispatch->deallocate_mask(sumMask); |
2962 | } |
2963 | |
2964 | #if OMP_40_ENABLED(50 >= 40) |
2965 | |
2966 | /*----------------------------------------------------------------------------- |
2967 | Re-parse the OMP_PLACES proc id list, forming the newMasks for the different |
2968 | places. Again, Here is the grammar: |
2969 | |
2970 | place_list := place |
2971 | place_list := place , place_list |
2972 | place := num |
2973 | place := place : num |
2974 | place := place : num : signed |
2975 | place := { subplacelist } |
2976 | place := ! place // (lowest priority) |
2977 | subplace_list := subplace |
2978 | subplace_list := subplace , subplace_list |
2979 | subplace := num |
2980 | subplace := num : num |
2981 | subplace := num : num : signed |
2982 | signed := num |
2983 | signed := + signed |
2984 | signed := - signed |
2985 | -----------------------------------------------------------------------------*/ |
2986 | |
2987 | static void __kmp_process_subplace_list(const char **scan, |
2988 | kmp_affin_mask_t *osId2Mask, |
2989 | int maxOsId, kmp_affin_mask_t *tempMask, |
2990 | int *setSize) { |
2991 | const char *next; |
2992 | |
2993 | for (;;) { |
2994 | int start, count, stride, i; |
2995 | |
2996 | // Read in the starting proc id |
2997 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
2998 | KMP_ASSERT2((**scan >= '0') && (**scan <= '9'), "bad explicit places list")(((**scan >= '0') && (**scan <= '9')) ? 0 : __kmp_debug_assert (("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 2998)); |
2999 | next = *scan; |
3000 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
3001 | start = __kmp_str_to_int(*scan, *next); |
3002 | KMP_ASSERT(start >= 0)((start >= 0) ? 0 : __kmp_debug_assert("start >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3002)); |
3003 | *scan = next; |
3004 | |
3005 | // valid follow sets are ',' ':' and '}' |
3006 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
3007 | if (**scan == '}' || **scan == ',') { |
3008 | if ((start > maxOsId) || |
3009 | (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, start ))->is_set(start))) { |
3010 | if (__kmp_affinity_verbose || |
3011 | (__kmp_affinity_warnings && |
3012 | (__kmp_affinity_type != affinity_none))) { |
3013 | KMP_WARNING(AffIgnoreInvalidProcID, start)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , start), __kmp_msg_null); |
3014 | } |
3015 | } else { |
3016 | KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array (osId2Mask, start)); |
3017 | (*setSize)++; |
3018 | } |
3019 | if (**scan == '}') { |
3020 | break; |
3021 | } |
3022 | (*scan)++; // skip ',' |
3023 | continue; |
3024 | } |
3025 | KMP_ASSERT2(**scan == ':', "bad explicit places list")((**scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3025)); |
3026 | (*scan)++; // skip ':' |
3027 | |
3028 | // Read count parameter |
3029 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
3030 | KMP_ASSERT2((**scan >= '0') && (**scan <= '9'), "bad explicit places list")(((**scan >= '0') && (**scan <= '9')) ? 0 : __kmp_debug_assert (("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3030)); |
3031 | next = *scan; |
3032 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
3033 | count = __kmp_str_to_int(*scan, *next); |
3034 | KMP_ASSERT(count >= 0)((count >= 0) ? 0 : __kmp_debug_assert("count >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3034)); |
3035 | *scan = next; |
3036 | |
3037 | // valid follow sets are ',' ':' and '}' |
3038 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
3039 | if (**scan == '}' || **scan == ',') { |
3040 | for (i = 0; i < count; i++) { |
3041 | if ((start > maxOsId) || |
3042 | (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, start ))->is_set(start))) { |
3043 | if (__kmp_affinity_verbose || |
3044 | (__kmp_affinity_warnings && |
3045 | (__kmp_affinity_type != affinity_none))) { |
3046 | KMP_WARNING(AffIgnoreInvalidProcID, start)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , start), __kmp_msg_null); |
3047 | } |
3048 | break; // don't proliferate warnings for large count |
3049 | } else { |
3050 | KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array (osId2Mask, start)); |
3051 | start++; |
3052 | (*setSize)++; |
3053 | } |
3054 | } |
3055 | if (**scan == '}') { |
3056 | break; |
3057 | } |
3058 | (*scan)++; // skip ',' |
3059 | continue; |
3060 | } |
3061 | KMP_ASSERT2(**scan == ':', "bad explicit places list")((**scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3061)); |
3062 | (*scan)++; // skip ':' |
3063 | |
3064 | // Read stride parameter |
3065 | int sign = +1; |
3066 | for (;;) { |
3067 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
3068 | if (**scan == '+') { |
3069 | (*scan)++; // skip '+' |
3070 | continue; |
3071 | } |
3072 | if (**scan == '-') { |
3073 | sign *= -1; |
3074 | (*scan)++; // skip '-' |
3075 | continue; |
3076 | } |
3077 | break; |
3078 | } |
3079 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
3080 | KMP_ASSERT2((**scan >= '0') && (**scan <= '9'), "bad explicit places list")(((**scan >= '0') && (**scan <= '9')) ? 0 : __kmp_debug_assert (("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3080)); |
3081 | next = *scan; |
3082 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
3083 | stride = __kmp_str_to_int(*scan, *next); |
3084 | KMP_ASSERT(stride >= 0)((stride >= 0) ? 0 : __kmp_debug_assert("stride >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3084)); |
3085 | *scan = next; |
3086 | stride *= sign; |
3087 | |
3088 | // valid follow sets are ',' and '}' |
3089 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
3090 | if (**scan == '}' || **scan == ',') { |
3091 | for (i = 0; i < count; i++) { |
3092 | if ((start > maxOsId) || |
3093 | (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, start ))->is_set(start))) { |
3094 | if (__kmp_affinity_verbose || |
3095 | (__kmp_affinity_warnings && |
3096 | (__kmp_affinity_type != affinity_none))) { |
3097 | KMP_WARNING(AffIgnoreInvalidProcID, start)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , start), __kmp_msg_null); |
3098 | } |
3099 | break; // don't proliferate warnings for large count |
3100 | } else { |
3101 | KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array (osId2Mask, start)); |
3102 | start += stride; |
3103 | (*setSize)++; |
3104 | } |
3105 | } |
3106 | if (**scan == '}') { |
3107 | break; |
3108 | } |
3109 | (*scan)++; // skip ',' |
3110 | continue; |
3111 | } |
3112 | |
3113 | KMP_ASSERT2(0, "bad explicit places list")((0) ? 0 : __kmp_debug_assert(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3113)); |
3114 | } |
3115 | } |
3116 | |
3117 | static void __kmp_process_place(const char **scan, kmp_affin_mask_t *osId2Mask, |
3118 | int maxOsId, kmp_affin_mask_t *tempMask, |
3119 | int *setSize) { |
3120 | const char *next; |
3121 | |
3122 | // valid follow sets are '{' '!' and num |
3123 | SKIP_WS(*scan){ while (*(*scan) == ' ' || *(*scan) == '\t') (*scan)++; }; |
3124 | if (**scan == '{') { |
3125 | (*scan)++; // skip '{' |
3126 | __kmp_process_subplace_list(scan, osId2Mask, maxOsId, tempMask, setSize); |
3127 | KMP_ASSERT2(**scan == '}', "bad explicit places list")((**scan == '}') ? 0 : __kmp_debug_assert(("bad explicit places list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3127)); |
3128 | (*scan)++; // skip '}' |
3129 | } else if (**scan == '!') { |
3130 | (*scan)++; // skip '!' |
3131 | __kmp_process_place(scan, osId2Mask, maxOsId, tempMask, setSize); |
3132 | KMP_CPU_COMPLEMENT(maxOsId, tempMask)(tempMask)->bitwise_not(); |
3133 | } else if ((**scan >= '0') && (**scan <= '9')) { |
3134 | next = *scan; |
3135 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
3136 | int num = __kmp_str_to_int(*scan, *next); |
3137 | KMP_ASSERT(num >= 0)((num >= 0) ? 0 : __kmp_debug_assert("num >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3137)); |
3138 | if ((num > maxOsId) || |
3139 | (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, num) )->is_set(num))) { |
3140 | if (__kmp_affinity_verbose || |
3141 | (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none))) { |
3142 | KMP_WARNING(AffIgnoreInvalidProcID, num)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , num), __kmp_msg_null); |
3143 | } |
3144 | } else { |
3145 | KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, num))(tempMask)->bitwise_or(__kmp_affinity_dispatch->index_mask_array (osId2Mask, num)); |
3146 | (*setSize)++; |
3147 | } |
3148 | *scan = next; // skip num |
3149 | } else { |
3150 | KMP_ASSERT2(0, "bad explicit places list")((0) ? 0 : __kmp_debug_assert(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3150)); |
3151 | } |
3152 | } |
3153 | |
3154 | // static void |
3155 | void __kmp_affinity_process_placelist(kmp_affin_mask_t **out_masks, |
3156 | unsigned int *out_numMasks, |
3157 | const char *placelist, |
3158 | kmp_affin_mask_t *osId2Mask, |
3159 | int maxOsId) { |
3160 | int i, j, count, stride, sign; |
3161 | const char *scan = placelist; |
3162 | const char *next = placelist; |
3163 | |
3164 | numNewMasks = 2; |
3165 | KMP_CPU_INTERNAL_ALLOC_ARRAY(newMasks, numNewMasks)(newMasks = __kmp_affinity_dispatch->allocate_mask_array(numNewMasks )); |
3166 | nextNewMask = 0; |
3167 | |
3168 | // tempMask is modified based on the previous or initial |
3169 | // place to form the current place |
3170 | // previousMask contains the previous place |
3171 | kmp_affin_mask_t *tempMask; |
3172 | kmp_affin_mask_t *previousMask; |
3173 | KMP_CPU_ALLOC(tempMask)(tempMask = __kmp_affinity_dispatch->allocate_mask()); |
3174 | KMP_CPU_ZERO(tempMask)(tempMask)->zero(); |
3175 | KMP_CPU_ALLOC(previousMask)(previousMask = __kmp_affinity_dispatch->allocate_mask()); |
3176 | KMP_CPU_ZERO(previousMask)(previousMask)->zero(); |
3177 | int setSize = 0; |
3178 | |
3179 | for (;;) { |
3180 | __kmp_process_place(&scan, osId2Mask, maxOsId, tempMask, &setSize); |
3181 | |
3182 | // valid follow sets are ',' ':' and EOL |
3183 | SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; }; |
3184 | if (*scan == '\0' || *scan == ',') { |
3185 | if (setSize > 0) { |
3186 | ADD_MASK(tempMask); |
3187 | } |
3188 | KMP_CPU_ZERO(tempMask)(tempMask)->zero(); |
3189 | setSize = 0; |
3190 | if (*scan == '\0') { |
3191 | break; |
3192 | } |
3193 | scan++; // skip ',' |
3194 | continue; |
3195 | } |
3196 | |
3197 | KMP_ASSERT2(*scan == ':', "bad explicit places list")((*scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3197)); |
3198 | scan++; // skip ':' |
3199 | |
3200 | // Read count parameter |
3201 | SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; }; |
3202 | KMP_ASSERT2((*scan >= '0') && (*scan <= '9'), "bad explicit places list")(((*scan >= '0') && (*scan <= '9')) ? 0 : __kmp_debug_assert (("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3202)); |
3203 | next = scan; |
3204 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
3205 | count = __kmp_str_to_int(scan, *next); |
3206 | KMP_ASSERT(count >= 0)((count >= 0) ? 0 : __kmp_debug_assert("count >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3206)); |
3207 | scan = next; |
3208 | |
3209 | // valid follow sets are ',' ':' and EOL |
3210 | SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; }; |
3211 | if (*scan == '\0' || *scan == ',') { |
3212 | stride = +1; |
3213 | } else { |
3214 | KMP_ASSERT2(*scan == ':', "bad explicit places list")((*scan == ':') ? 0 : __kmp_debug_assert(("bad explicit places list" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3214)); |
3215 | scan++; // skip ':' |
3216 | |
3217 | // Read stride parameter |
3218 | sign = +1; |
3219 | for (;;) { |
3220 | SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; }; |
3221 | if (*scan == '+') { |
3222 | scan++; // skip '+' |
3223 | continue; |
3224 | } |
3225 | if (*scan == '-') { |
3226 | sign *= -1; |
3227 | scan++; // skip '-' |
3228 | continue; |
3229 | } |
3230 | break; |
3231 | } |
3232 | SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; }; |
3233 | KMP_ASSERT2((*scan >= '0') && (*scan <= '9'), "bad explicit places list")(((*scan >= '0') && (*scan <= '9')) ? 0 : __kmp_debug_assert (("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3233)); |
3234 | next = scan; |
3235 | SKIP_DIGITS(next){ while (*(next) >= '0' && *(next) <= '9') (next )++; }; |
3236 | stride = __kmp_str_to_int(scan, *next); |
3237 | KMP_DEBUG_ASSERT(stride >= 0)((stride >= 0) ? 0 : __kmp_debug_assert("stride >= 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3237)); |
3238 | scan = next; |
3239 | stride *= sign; |
3240 | } |
3241 | |
3242 | // Add places determined by initial_place : count : stride |
3243 | for (i = 0; i < count; i++) { |
3244 | if (setSize == 0) { |
3245 | break; |
3246 | } |
3247 | // Add the current place, then build the next place (tempMask) from that |
3248 | KMP_CPU_COPY(previousMask, tempMask)(previousMask)->copy(tempMask); |
3249 | ADD_MASK(previousMask); |
3250 | KMP_CPU_ZERO(tempMask)(tempMask)->zero(); |
3251 | setSize = 0; |
3252 | KMP_CPU_SET_ITERATE(j, previousMask)for (j = (previousMask)->begin(); j != (previousMask)-> end(); j = (previousMask)->next(j)) { |
3253 | if (!KMP_CPU_ISSET(j, previousMask)(previousMask)->is_set(j)) { |
3254 | continue; |
3255 | } |
3256 | if ((j + stride > maxOsId) || (j + stride < 0) || |
3257 | (!KMP_CPU_ISSET(j, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(j)) || |
3258 | (!KMP_CPU_ISSET(j + stride,(__kmp_affinity_dispatch->index_mask_array(osId2Mask, j + stride ))->is_set(j + stride) |
3259 | KMP_CPU_INDEX(osId2Mask, j + stride))(__kmp_affinity_dispatch->index_mask_array(osId2Mask, j + stride ))->is_set(j + stride))) { |
3260 | if ((__kmp_affinity_verbose || |
3261 | (__kmp_affinity_warnings && |
3262 | (__kmp_affinity_type != affinity_none))) && |
3263 | i < count - 1) { |
3264 | KMP_WARNING(AffIgnoreInvalidProcID, j + stride)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffIgnoreInvalidProcID , j + stride), __kmp_msg_null); |
3265 | } |
3266 | continue; |
3267 | } |
3268 | KMP_CPU_SET(j + stride, tempMask)(tempMask)->set(j + stride); |
3269 | setSize++; |
3270 | } |
3271 | } |
3272 | KMP_CPU_ZERO(tempMask)(tempMask)->zero(); |
3273 | setSize = 0; |
3274 | |
3275 | // valid follow sets are ',' and EOL |
3276 | SKIP_WS(scan){ while (*(scan) == ' ' || *(scan) == '\t') (scan)++; }; |
3277 | if (*scan == '\0') { |
3278 | break; |
3279 | } |
3280 | if (*scan == ',') { |
3281 | scan++; // skip ',' |
3282 | continue; |
3283 | } |
3284 | |
3285 | KMP_ASSERT2(0, "bad explicit places list")((0) ? 0 : __kmp_debug_assert(("bad explicit places list"), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3285)); |
3286 | } |
3287 | |
3288 | *out_numMasks = nextNewMask; |
3289 | if (nextNewMask == 0) { |
3290 | *out_masks = NULL__null; |
3291 | KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks); |
3292 | return; |
3293 | } |
3294 | KMP_CPU_ALLOC_ARRAY((*out_masks), nextNewMask)((*out_masks) = __kmp_affinity_dispatch->allocate_mask_array (nextNewMask)); |
3295 | KMP_CPU_FREE(tempMask)__kmp_affinity_dispatch->deallocate_mask(tempMask); |
3296 | KMP_CPU_FREE(previousMask)__kmp_affinity_dispatch->deallocate_mask(previousMask); |
3297 | for (i = 0; i < nextNewMask; i++) { |
3298 | kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i)__kmp_affinity_dispatch->index_mask_array(newMasks, i); |
3299 | kmp_affin_mask_t *dest = KMP_CPU_INDEX((*out_masks), i)__kmp_affinity_dispatch->index_mask_array((*out_masks), i); |
3300 | KMP_CPU_COPY(dest, src)(dest)->copy(src); |
3301 | } |
3302 | KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks)__kmp_affinity_dispatch->deallocate_mask_array(newMasks); |
3303 | } |
3304 | |
3305 | #endif /* OMP_40_ENABLED */ |
3306 | |
3307 | #undef ADD_MASK |
3308 | #undef ADD_MASK_OSID |
3309 | |
3310 | #if KMP_USE_HWLOC0 |
3311 | static int __kmp_hwloc_skip_PUs_obj(hwloc_topology_t t, hwloc_obj_t o) { |
3312 | // skip PUs descendants of the object o |
3313 | int skipped = 0; |
3314 | hwloc_obj_t hT = NULL__null; |
3315 | int N = __kmp_hwloc_count_children_by_type(t, o, HWLOC_OBJ_PU, &hT); |
3316 | for (int i = 0; i < N; ++i) { |
3317 | KMP_DEBUG_ASSERT(hT)((hT) ? 0 : __kmp_debug_assert("hT", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3317)); |
3318 | unsigned idx = hT->os_index; |
3319 | if (KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) { |
3320 | KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx); |
3321 | KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n" , idx); }; |
3322 | ++skipped; |
3323 | } |
3324 | hT = hwloc_get_next_obj_by_type(t, HWLOC_OBJ_PU, hT); |
3325 | } |
3326 | return skipped; // count number of skipped units |
3327 | } |
3328 | |
3329 | static int __kmp_hwloc_obj_has_PUs(hwloc_topology_t t, hwloc_obj_t o) { |
3330 | // check if obj has PUs present in fullMask |
3331 | hwloc_obj_t hT = NULL__null; |
3332 | int N = __kmp_hwloc_count_children_by_type(t, o, HWLOC_OBJ_PU, &hT); |
3333 | for (int i = 0; i < N; ++i) { |
3334 | KMP_DEBUG_ASSERT(hT)((hT) ? 0 : __kmp_debug_assert("hT", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3334)); |
3335 | unsigned idx = hT->os_index; |
3336 | if (KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) |
3337 | return 1; // found PU |
3338 | hT = hwloc_get_next_obj_by_type(t, HWLOC_OBJ_PU, hT); |
3339 | } |
3340 | return 0; // no PUs found |
3341 | } |
3342 | #endif // KMP_USE_HWLOC |
3343 | |
3344 | static void __kmp_apply_thread_places(AddrUnsPair **pAddr, int depth) { |
3345 | AddrUnsPair *newAddr; |
3346 | if (__kmp_hws_requested == 0) |
3347 | goto _exit; // no topology limiting actions requested, exit |
3348 | #if KMP_USE_HWLOC0 |
3349 | if (__kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC) { |
3350 | // Number of subobjects calculated dynamically, this works fine for |
3351 | // any non-uniform topology. |
3352 | // L2 cache objects are determined by depth, other objects - by type. |
3353 | hwloc_topology_t tp = __kmp_hwloc_topology; |
3354 | int nS = 0, nN = 0, nL = 0, nC = 0, |
3355 | nT = 0; // logical index including skipped |
3356 | int nCr = 0, nTr = 0; // number of requested units |
3357 | int nPkg = 0, nCo = 0, n_new = 0, n_old = 0, nCpP = 0, nTpC = 0; // counters |
3358 | hwloc_obj_t hT, hC, hL, hN, hS; // hwloc objects (pointers to) |
3359 | int L2depth, idx; |
3360 | |
3361 | // check support of extensions ---------------------------------- |
3362 | int numa_support = 0, tile_support = 0; |
3363 | if (__kmp_pu_os_idx) |
3364 | hT = hwloc_get_pu_obj_by_os_index(tp, |
3365 | __kmp_pu_os_idx[__kmp_avail_proc - 1]); |
3366 | else |
3367 | hT = hwloc_get_obj_by_type(tp, HWLOC_OBJ_PU, __kmp_avail_proc - 1); |
3368 | if (hT == NULL__null) { // something's gone wrong |
3369 | KMP_WARNING(AffHWSubsetUnsupported)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetUnsupported ), __kmp_msg_null); |
3370 | goto _exit; |
3371 | } |
3372 | // check NUMA node |
3373 | hN = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hT); |
3374 | hS = hwloc_get_ancestor_obj_by_type(tp, HWLOC_OBJ_PACKAGE, hT); |
3375 | if (hN != NULL__null && hN->depth > hS->depth) { |
3376 | numa_support = 1; // 1 in case socket includes node(s) |
3377 | } else if (__kmp_hws_node.num > 0) { |
3378 | // don't support sockets inside NUMA node (no such HW found for testing) |
3379 | KMP_WARNING(AffHWSubsetUnsupported)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetUnsupported ), __kmp_msg_null); |
3380 | goto _exit; |
3381 | } |
3382 | // check L2 cahce, get object by depth because of multiple caches |
3383 | L2depth = hwloc_get_cache_type_depth(tp, 2, HWLOC_OBJ_CACHE_UNIFIED); |
3384 | hL = hwloc_get_ancestor_obj_by_depth(tp, L2depth, hT); |
3385 | if (hL != NULL__null && |
3386 | __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, &hC) > 1) { |
3387 | tile_support = 1; // no sense to count L2 if it includes single core |
3388 | } else if (__kmp_hws_tile.num > 0) { |
3389 | if (__kmp_hws_core.num == 0) { |
3390 | __kmp_hws_core = __kmp_hws_tile; // replace L2 with core |
3391 | __kmp_hws_tile.num = 0; |
3392 | } else { |
3393 | // L2 and core are both requested, but represent same object |
3394 | KMP_WARNING(AffHWSubsetInvalid)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetInvalid ), __kmp_msg_null); |
3395 | goto _exit; |
3396 | } |
3397 | } |
3398 | // end of check of extensions ----------------------------------- |
3399 | |
3400 | // fill in unset items, validate settings ----------------------- |
3401 | if (__kmp_hws_socket.num == 0) |
3402 | __kmp_hws_socket.num = nPackages; // use all available sockets |
3403 | if (__kmp_hws_socket.offset >= nPackages) { |
3404 | KMP_WARNING(AffHWSubsetManySockets)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManySockets ), __kmp_msg_null); |
3405 | goto _exit; |
3406 | } |
3407 | if (numa_support) { |
3408 | hN = NULL__null; |
3409 | int NN = __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_NUMANODE, |
3410 | &hN); // num nodes in socket |
3411 | if (__kmp_hws_node.num == 0) |
3412 | __kmp_hws_node.num = NN; // use all available nodes |
3413 | if (__kmp_hws_node.offset >= NN) { |
3414 | KMP_WARNING(AffHWSubsetManyNodes)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyNodes ), __kmp_msg_null); |
3415 | goto _exit; |
3416 | } |
3417 | if (tile_support) { |
3418 | // get num tiles in node |
3419 | int NL = __kmp_hwloc_count_children_by_depth(tp, hN, L2depth, &hL); |
3420 | if (__kmp_hws_tile.num == 0) { |
3421 | __kmp_hws_tile.num = NL + 1; |
3422 | } // use all available tiles, some node may have more tiles, thus +1 |
3423 | if (__kmp_hws_tile.offset >= NL) { |
3424 | KMP_WARNING(AffHWSubsetManyTiles)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyTiles ), __kmp_msg_null); |
3425 | goto _exit; |
3426 | } |
3427 | int NC = __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, |
3428 | &hC); // num cores in tile |
3429 | if (__kmp_hws_core.num == 0) |
3430 | __kmp_hws_core.num = NC; // use all available cores |
3431 | if (__kmp_hws_core.offset >= NC) { |
3432 | KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores ), __kmp_msg_null); |
3433 | goto _exit; |
3434 | } |
3435 | } else { // tile_support |
3436 | int NC = __kmp_hwloc_count_children_by_type(tp, hN, HWLOC_OBJ_CORE, |
3437 | &hC); // num cores in node |
3438 | if (__kmp_hws_core.num == 0) |
3439 | __kmp_hws_core.num = NC; // use all available cores |
3440 | if (__kmp_hws_core.offset >= NC) { |
3441 | KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores ), __kmp_msg_null); |
3442 | goto _exit; |
3443 | } |
3444 | } // tile_support |
3445 | } else { // numa_support |
3446 | if (tile_support) { |
3447 | // get num tiles in socket |
3448 | int NL = __kmp_hwloc_count_children_by_depth(tp, hS, L2depth, &hL); |
3449 | if (__kmp_hws_tile.num == 0) |
3450 | __kmp_hws_tile.num = NL; // use all available tiles |
3451 | if (__kmp_hws_tile.offset >= NL) { |
3452 | KMP_WARNING(AffHWSubsetManyTiles)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyTiles ), __kmp_msg_null); |
3453 | goto _exit; |
3454 | } |
3455 | int NC = __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, |
3456 | &hC); // num cores in tile |
3457 | if (__kmp_hws_core.num == 0) |
3458 | __kmp_hws_core.num = NC; // use all available cores |
3459 | if (__kmp_hws_core.offset >= NC) { |
3460 | KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores ), __kmp_msg_null); |
3461 | goto _exit; |
3462 | } |
3463 | } else { // tile_support |
3464 | int NC = __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_CORE, |
3465 | &hC); // num cores in socket |
3466 | if (__kmp_hws_core.num == 0) |
3467 | __kmp_hws_core.num = NC; // use all available cores |
3468 | if (__kmp_hws_core.offset >= NC) { |
3469 | KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores ), __kmp_msg_null); |
3470 | goto _exit; |
3471 | } |
3472 | } // tile_support |
3473 | } |
3474 | if (__kmp_hws_proc.num == 0) |
3475 | __kmp_hws_proc.num = __kmp_nThreadsPerCore; // use all available procs |
3476 | if (__kmp_hws_proc.offset >= __kmp_nThreadsPerCore) { |
3477 | KMP_WARNING(AffHWSubsetManyProcs)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyProcs ), __kmp_msg_null); |
3478 | goto _exit; |
3479 | } |
3480 | // end of validation -------------------------------------------- |
3481 | |
3482 | if (pAddr) // pAddr is NULL in case of affinity_none |
3483 | newAddr = (AddrUnsPair *)__kmp_allocate(sizeof(AddrUnsPair) *___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3484) |
3484 | __kmp_avail_proc)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_avail_proc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3484); // max size |
3485 | // main loop to form HW subset ---------------------------------- |
3486 | hS = NULL__null; |
3487 | int NP = hwloc_get_nbobjs_by_type(tp, HWLOC_OBJ_PACKAGE); |
3488 | for (int s = 0; s < NP; ++s) { |
3489 | // Check Socket ----------------------------------------------- |
3490 | hS = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PACKAGE, hS); |
3491 | if (!__kmp_hwloc_obj_has_PUs(tp, hS)) |
3492 | continue; // skip socket if all PUs are out of fullMask |
3493 | ++nS; // only count objects those have PUs in affinity mask |
3494 | if (nS <= __kmp_hws_socket.offset || |
3495 | nS > __kmp_hws_socket.num + __kmp_hws_socket.offset) { |
3496 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hS); // skip socket |
3497 | continue; // move to next socket |
3498 | } |
3499 | nCr = 0; // count number of cores per socket |
3500 | // socket requested, go down the topology tree |
3501 | // check 4 cases: (+NUMA+Tile), (+NUMA-Tile), (-NUMA+Tile), (-NUMA-Tile) |
3502 | if (numa_support) { |
3503 | nN = 0; |
3504 | hN = NULL__null; |
3505 | // num nodes in current socket |
3506 | int NN = |
3507 | __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_NUMANODE, &hN); |
3508 | for (int n = 0; n < NN; ++n) { |
3509 | // Check NUMA Node ---------------------------------------- |
3510 | if (!__kmp_hwloc_obj_has_PUs(tp, hN)) { |
3511 | hN = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hN); |
3512 | continue; // skip node if all PUs are out of fullMask |
3513 | } |
3514 | ++nN; |
3515 | if (nN <= __kmp_hws_node.offset || |
3516 | nN > __kmp_hws_node.num + __kmp_hws_node.offset) { |
3517 | // skip node as not requested |
3518 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hN); // skip node |
3519 | hN = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hN); |
3520 | continue; // move to next node |
3521 | } |
3522 | // node requested, go down the topology tree |
3523 | if (tile_support) { |
3524 | nL = 0; |
3525 | hL = NULL__null; |
3526 | int NL = __kmp_hwloc_count_children_by_depth(tp, hN, L2depth, &hL); |
3527 | for (int l = 0; l < NL; ++l) { |
3528 | // Check L2 (tile) ------------------------------------ |
3529 | if (!__kmp_hwloc_obj_has_PUs(tp, hL)) { |
3530 | hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL); |
3531 | continue; // skip tile if all PUs are out of fullMask |
3532 | } |
3533 | ++nL; |
3534 | if (nL <= __kmp_hws_tile.offset || |
3535 | nL > __kmp_hws_tile.num + __kmp_hws_tile.offset) { |
3536 | // skip tile as not requested |
3537 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hL); // skip tile |
3538 | hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL); |
3539 | continue; // move to next tile |
3540 | } |
3541 | // tile requested, go down the topology tree |
3542 | nC = 0; |
3543 | hC = NULL__null; |
3544 | // num cores in current tile |
3545 | int NC = __kmp_hwloc_count_children_by_type(tp, hL, |
3546 | HWLOC_OBJ_CORE, &hC); |
3547 | for (int c = 0; c < NC; ++c) { |
3548 | // Check Core --------------------------------------- |
3549 | if (!__kmp_hwloc_obj_has_PUs(tp, hC)) { |
3550 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3551 | continue; // skip core if all PUs are out of fullMask |
3552 | } |
3553 | ++nC; |
3554 | if (nC <= __kmp_hws_core.offset || |
3555 | nC > __kmp_hws_core.num + __kmp_hws_core.offset) { |
3556 | // skip node as not requested |
3557 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core |
3558 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3559 | continue; // move to next node |
3560 | } |
3561 | // core requested, go down to PUs |
3562 | nT = 0; |
3563 | nTr = 0; |
3564 | hT = NULL__null; |
3565 | // num procs in current core |
3566 | int NT = __kmp_hwloc_count_children_by_type(tp, hC, |
3567 | HWLOC_OBJ_PU, &hT); |
3568 | for (int t = 0; t < NT; ++t) { |
3569 | // Check PU --------------------------------------- |
3570 | idx = hT->os_index; |
3571 | if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) { |
3572 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3573 | continue; // skip PU if not in fullMask |
3574 | } |
3575 | ++nT; |
3576 | if (nT <= __kmp_hws_proc.offset || |
3577 | nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) { |
3578 | // skip PU |
3579 | KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx); |
3580 | ++n_old; |
3581 | KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n" , idx); }; |
3582 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3583 | continue; // move to next node |
3584 | } |
3585 | ++nTr; |
3586 | if (pAddr) // collect requested thread's data |
3587 | newAddr[n_new] = (*pAddr)[n_old]; |
3588 | ++n_new; |
3589 | ++n_old; |
3590 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3591 | } // threads loop |
3592 | if (nTr > 0) { |
3593 | ++nCr; // num cores per socket |
3594 | ++nCo; // total num cores |
3595 | if (nTr > nTpC) |
3596 | nTpC = nTr; // calc max threads per core |
3597 | } |
3598 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3599 | } // cores loop |
3600 | hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL); |
3601 | } // tiles loop |
3602 | } else { // tile_support |
3603 | // no tiles, check cores |
3604 | nC = 0; |
3605 | hC = NULL__null; |
3606 | // num cores in current node |
3607 | int NC = |
3608 | __kmp_hwloc_count_children_by_type(tp, hN, HWLOC_OBJ_CORE, &hC); |
3609 | for (int c = 0; c < NC; ++c) { |
3610 | // Check Core --------------------------------------- |
3611 | if (!__kmp_hwloc_obj_has_PUs(tp, hC)) { |
3612 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3613 | continue; // skip core if all PUs are out of fullMask |
3614 | } |
3615 | ++nC; |
3616 | if (nC <= __kmp_hws_core.offset || |
3617 | nC > __kmp_hws_core.num + __kmp_hws_core.offset) { |
3618 | // skip node as not requested |
3619 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core |
3620 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3621 | continue; // move to next node |
3622 | } |
3623 | // core requested, go down to PUs |
3624 | nT = 0; |
3625 | nTr = 0; |
3626 | hT = NULL__null; |
3627 | int NT = |
3628 | __kmp_hwloc_count_children_by_type(tp, hC, HWLOC_OBJ_PU, &hT); |
3629 | for (int t = 0; t < NT; ++t) { |
3630 | // Check PU --------------------------------------- |
3631 | idx = hT->os_index; |
3632 | if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) { |
3633 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3634 | continue; // skip PU if not in fullMask |
3635 | } |
3636 | ++nT; |
3637 | if (nT <= __kmp_hws_proc.offset || |
3638 | nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) { |
3639 | // skip PU |
3640 | KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx); |
3641 | ++n_old; |
3642 | KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n" , idx); }; |
3643 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3644 | continue; // move to next node |
3645 | } |
3646 | ++nTr; |
3647 | if (pAddr) // collect requested thread's data |
3648 | newAddr[n_new] = (*pAddr)[n_old]; |
3649 | ++n_new; |
3650 | ++n_old; |
3651 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3652 | } // threads loop |
3653 | if (nTr > 0) { |
3654 | ++nCr; // num cores per socket |
3655 | ++nCo; // total num cores |
3656 | if (nTr > nTpC) |
3657 | nTpC = nTr; // calc max threads per core |
3658 | } |
3659 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3660 | } // cores loop |
3661 | } // tiles support |
3662 | hN = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_NUMANODE, hN); |
3663 | } // nodes loop |
3664 | } else { // numa_support |
3665 | // no NUMA support |
3666 | if (tile_support) { |
3667 | nL = 0; |
3668 | hL = NULL__null; |
3669 | // num tiles in current socket |
3670 | int NL = __kmp_hwloc_count_children_by_depth(tp, hS, L2depth, &hL); |
3671 | for (int l = 0; l < NL; ++l) { |
3672 | // Check L2 (tile) ------------------------------------ |
3673 | if (!__kmp_hwloc_obj_has_PUs(tp, hL)) { |
3674 | hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL); |
3675 | continue; // skip tile if all PUs are out of fullMask |
3676 | } |
3677 | ++nL; |
3678 | if (nL <= __kmp_hws_tile.offset || |
3679 | nL > __kmp_hws_tile.num + __kmp_hws_tile.offset) { |
3680 | // skip tile as not requested |
3681 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hL); // skip tile |
3682 | hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL); |
3683 | continue; // move to next tile |
3684 | } |
3685 | // tile requested, go down the topology tree |
3686 | nC = 0; |
3687 | hC = NULL__null; |
3688 | // num cores per tile |
3689 | int NC = |
3690 | __kmp_hwloc_count_children_by_type(tp, hL, HWLOC_OBJ_CORE, &hC); |
3691 | for (int c = 0; c < NC; ++c) { |
3692 | // Check Core --------------------------------------- |
3693 | if (!__kmp_hwloc_obj_has_PUs(tp, hC)) { |
3694 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3695 | continue; // skip core if all PUs are out of fullMask |
3696 | } |
3697 | ++nC; |
3698 | if (nC <= __kmp_hws_core.offset || |
3699 | nC > __kmp_hws_core.num + __kmp_hws_core.offset) { |
3700 | // skip node as not requested |
3701 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core |
3702 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3703 | continue; // move to next node |
3704 | } |
3705 | // core requested, go down to PUs |
3706 | nT = 0; |
3707 | nTr = 0; |
3708 | hT = NULL__null; |
3709 | // num procs per core |
3710 | int NT = |
3711 | __kmp_hwloc_count_children_by_type(tp, hC, HWLOC_OBJ_PU, &hT); |
3712 | for (int t = 0; t < NT; ++t) { |
3713 | // Check PU --------------------------------------- |
3714 | idx = hT->os_index; |
3715 | if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) { |
3716 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3717 | continue; // skip PU if not in fullMask |
3718 | } |
3719 | ++nT; |
3720 | if (nT <= __kmp_hws_proc.offset || |
3721 | nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) { |
3722 | // skip PU |
3723 | KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx); |
3724 | ++n_old; |
3725 | KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n" , idx); }; |
3726 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3727 | continue; // move to next node |
3728 | } |
3729 | ++nTr; |
3730 | if (pAddr) // collect requested thread's data |
3731 | newAddr[n_new] = (*pAddr)[n_old]; |
3732 | ++n_new; |
3733 | ++n_old; |
3734 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3735 | } // threads loop |
3736 | if (nTr > 0) { |
3737 | ++nCr; // num cores per socket |
3738 | ++nCo; // total num cores |
3739 | if (nTr > nTpC) |
3740 | nTpC = nTr; // calc max threads per core |
3741 | } |
3742 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3743 | } // cores loop |
3744 | hL = hwloc_get_next_obj_by_depth(tp, L2depth, hL); |
3745 | } // tiles loop |
3746 | } else { // tile_support |
3747 | // no tiles, check cores |
3748 | nC = 0; |
3749 | hC = NULL__null; |
3750 | // num cores in socket |
3751 | int NC = |
3752 | __kmp_hwloc_count_children_by_type(tp, hS, HWLOC_OBJ_CORE, &hC); |
3753 | for (int c = 0; c < NC; ++c) { |
3754 | // Check Core ------------------------------------------- |
3755 | if (!__kmp_hwloc_obj_has_PUs(tp, hC)) { |
3756 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3757 | continue; // skip core if all PUs are out of fullMask |
3758 | } |
3759 | ++nC; |
3760 | if (nC <= __kmp_hws_core.offset || |
3761 | nC > __kmp_hws_core.num + __kmp_hws_core.offset) { |
3762 | // skip node as not requested |
3763 | n_old += __kmp_hwloc_skip_PUs_obj(tp, hC); // skip core |
3764 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3765 | continue; // move to next node |
3766 | } |
3767 | // core requested, go down to PUs |
3768 | nT = 0; |
3769 | nTr = 0; |
3770 | hT = NULL__null; |
3771 | // num procs per core |
3772 | int NT = |
3773 | __kmp_hwloc_count_children_by_type(tp, hC, HWLOC_OBJ_PU, &hT); |
3774 | for (int t = 0; t < NT; ++t) { |
3775 | // Check PU --------------------------------------- |
3776 | idx = hT->os_index; |
3777 | if (!KMP_CPU_ISSET(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(idx)) { |
3778 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3779 | continue; // skip PU if not in fullMask |
3780 | } |
3781 | ++nT; |
3782 | if (nT <= __kmp_hws_proc.offset || |
3783 | nT > __kmp_hws_proc.num + __kmp_hws_proc.offset) { |
3784 | // skip PU |
3785 | KMP_CPU_CLR(idx, __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(idx); |
3786 | ++n_old; |
3787 | KC_TRACE(200, ("KMP_HW_SUBSET: skipped proc %d\n", idx))if (kmp_c_debug >= 200) { __kmp_debug_printf ("KMP_HW_SUBSET: skipped proc %d\n" , idx); }; |
3788 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3789 | continue; // move to next node |
3790 | } |
3791 | ++nTr; |
3792 | if (pAddr) // collect requested thread's data |
3793 | newAddr[n_new] = (*pAddr)[n_old]; |
3794 | ++n_new; |
3795 | ++n_old; |
3796 | hT = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, hT); |
3797 | } // threads loop |
3798 | if (nTr > 0) { |
3799 | ++nCr; // num cores per socket |
3800 | ++nCo; // total num cores |
3801 | if (nTr > nTpC) |
3802 | nTpC = nTr; // calc max threads per core |
3803 | } |
3804 | hC = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_CORE, hC); |
3805 | } // cores loop |
3806 | } // tiles support |
3807 | } // numa_support |
3808 | if (nCr > 0) { // found cores? |
3809 | ++nPkg; // num sockets |
3810 | if (nCr > nCpP) |
3811 | nCpP = nCr; // calc max cores per socket |
3812 | } |
3813 | } // sockets loop |
3814 | |
3815 | // check the subset is valid |
3816 | KMP_DEBUG_ASSERT(n_old == __kmp_avail_proc)((n_old == __kmp_avail_proc) ? 0 : __kmp_debug_assert("n_old == __kmp_avail_proc" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3816)); |
3817 | KMP_DEBUG_ASSERT(nPkg > 0)((nPkg > 0) ? 0 : __kmp_debug_assert("nPkg > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3817)); |
3818 | KMP_DEBUG_ASSERT(nCpP > 0)((nCpP > 0) ? 0 : __kmp_debug_assert("nCpP > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3818)); |
3819 | KMP_DEBUG_ASSERT(nTpC > 0)((nTpC > 0) ? 0 : __kmp_debug_assert("nTpC > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3819)); |
3820 | KMP_DEBUG_ASSERT(nCo > 0)((nCo > 0) ? 0 : __kmp_debug_assert("nCo > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3820)); |
3821 | KMP_DEBUG_ASSERT(nPkg <= nPackages)((nPkg <= nPackages) ? 0 : __kmp_debug_assert("nPkg <= nPackages" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3821)); |
3822 | KMP_DEBUG_ASSERT(nCpP <= nCoresPerPkg)((nCpP <= nCoresPerPkg) ? 0 : __kmp_debug_assert("nCpP <= nCoresPerPkg" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3822)); |
3823 | KMP_DEBUG_ASSERT(nTpC <= __kmp_nThreadsPerCore)((nTpC <= __kmp_nThreadsPerCore) ? 0 : __kmp_debug_assert( "nTpC <= __kmp_nThreadsPerCore", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3823)); |
3824 | KMP_DEBUG_ASSERT(nCo <= __kmp_ncores)((nCo <= __kmp_ncores) ? 0 : __kmp_debug_assert("nCo <= __kmp_ncores" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3824)); |
3825 | |
3826 | nPackages = nPkg; // correct num sockets |
3827 | nCoresPerPkg = nCpP; // correct num cores per socket |
3828 | __kmp_nThreadsPerCore = nTpC; // correct num threads per core |
3829 | __kmp_avail_proc = n_new; // correct num procs |
3830 | __kmp_ncores = nCo; // correct num cores |
3831 | // hwloc topology method end |
3832 | } else |
3833 | #endif // KMP_USE_HWLOC |
3834 | { |
3835 | int n_old = 0, n_new = 0, proc_num = 0; |
3836 | if (__kmp_hws_node.num > 0 || __kmp_hws_tile.num > 0) { |
3837 | KMP_WARNING(AffHWSubsetNoHWLOC)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetNoHWLOC ), __kmp_msg_null); |
3838 | goto _exit; |
3839 | } |
3840 | if (__kmp_hws_socket.num == 0) |
3841 | __kmp_hws_socket.num = nPackages; // use all available sockets |
3842 | if (__kmp_hws_core.num == 0) |
3843 | __kmp_hws_core.num = nCoresPerPkg; // use all available cores |
3844 | if (__kmp_hws_proc.num == 0 || __kmp_hws_proc.num > __kmp_nThreadsPerCore) |
3845 | __kmp_hws_proc.num = __kmp_nThreadsPerCore; // use all HW contexts |
3846 | if (!__kmp_affinity_uniform_topology()) { |
3847 | KMP_WARNING(AffHWSubsetNonUniform)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetNonUniform ), __kmp_msg_null); |
3848 | goto _exit; // don't support non-uniform topology |
3849 | } |
3850 | if (depth > 3) { |
3851 | KMP_WARNING(AffHWSubsetNonThreeLevel)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetNonThreeLevel ), __kmp_msg_null); |
3852 | goto _exit; // don't support not-3-level topology |
3853 | } |
3854 | if (__kmp_hws_socket.offset + __kmp_hws_socket.num > nPackages) { |
3855 | KMP_WARNING(AffHWSubsetManySockets)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManySockets ), __kmp_msg_null); |
3856 | goto _exit; |
3857 | } |
3858 | if (__kmp_hws_core.offset + __kmp_hws_core.num > nCoresPerPkg) { |
3859 | KMP_WARNING(AffHWSubsetManyCores)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffHWSubsetManyCores ), __kmp_msg_null); |
3860 | goto _exit; |
3861 | } |
3862 | // Form the requested subset |
3863 | if (pAddr) // pAddr is NULL in case of affinity_none |
3864 | newAddr = (AddrUnsPair *)__kmp_allocate(___kmp_allocate((sizeof(AddrUnsPair) * __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3866) |
3865 | sizeof(AddrUnsPair) * __kmp_hws_socket.num * __kmp_hws_core.num *___kmp_allocate((sizeof(AddrUnsPair) * __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3866) |
3866 | __kmp_hws_proc.num)___kmp_allocate((sizeof(AddrUnsPair) * __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3866); |
3867 | for (int i = 0; i < nPackages; ++i) { |
3868 | if (i < __kmp_hws_socket.offset || |
3869 | i >= __kmp_hws_socket.offset + __kmp_hws_socket.num) { |
3870 | // skip not-requested socket |
3871 | n_old += nCoresPerPkg * __kmp_nThreadsPerCore; |
3872 | if (__kmp_pu_os_idx != NULL__null) { |
3873 | // walk through skipped socket |
3874 | for (int j = 0; j < nCoresPerPkg; ++j) { |
3875 | for (int k = 0; k < __kmp_nThreadsPerCore; ++k) { |
3876 | KMP_CPU_CLR(__kmp_pu_os_idx[proc_num], __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(__kmp_pu_os_idx[proc_num]); |
3877 | ++proc_num; |
3878 | } |
3879 | } |
3880 | } |
3881 | } else { |
3882 | // walk through requested socket |
3883 | for (int j = 0; j < nCoresPerPkg; ++j) { |
3884 | if (j < __kmp_hws_core.offset || |
3885 | j >= __kmp_hws_core.offset + |
3886 | __kmp_hws_core.num) { // skip not-requested core |
3887 | n_old += __kmp_nThreadsPerCore; |
3888 | if (__kmp_pu_os_idx != NULL__null) { |
3889 | for (int k = 0; k < __kmp_nThreadsPerCore; ++k) { |
3890 | KMP_CPU_CLR(__kmp_pu_os_idx[proc_num], __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(__kmp_pu_os_idx[proc_num]); |
3891 | ++proc_num; |
3892 | } |
3893 | } |
3894 | } else { |
3895 | // walk through requested core |
3896 | for (int k = 0; k < __kmp_nThreadsPerCore; ++k) { |
3897 | if (k < __kmp_hws_proc.num) { |
3898 | if (pAddr) // collect requested thread's data |
3899 | newAddr[n_new] = (*pAddr)[n_old]; |
3900 | n_new++; |
3901 | } else { |
3902 | if (__kmp_pu_os_idx != NULL__null) |
3903 | KMP_CPU_CLR(__kmp_pu_os_idx[proc_num], __kmp_affin_fullMask)(__kmp_affin_fullMask)->clear(__kmp_pu_os_idx[proc_num]); |
3904 | } |
3905 | n_old++; |
3906 | ++proc_num; |
3907 | } |
3908 | } |
3909 | } |
3910 | } |
3911 | } |
3912 | KMP_DEBUG_ASSERT(n_old == nPackages * nCoresPerPkg * __kmp_nThreadsPerCore)((n_old == nPackages * nCoresPerPkg * __kmp_nThreadsPerCore) ? 0 : __kmp_debug_assert("n_old == nPackages * nCoresPerPkg * __kmp_nThreadsPerCore" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3912)); |
3913 | KMP_DEBUG_ASSERT(n_new ==((n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc .num) ? 0 : __kmp_debug_assert("n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3915)) |
3914 | __kmp_hws_socket.num * __kmp_hws_core.num *((n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc .num) ? 0 : __kmp_debug_assert("n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3915)) |
3915 | __kmp_hws_proc.num)((n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc .num) ? 0 : __kmp_debug_assert("n_new == __kmp_hws_socket.num * __kmp_hws_core.num * __kmp_hws_proc.num" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3915)); |
3916 | nPackages = __kmp_hws_socket.num; // correct nPackages |
3917 | nCoresPerPkg = __kmp_hws_core.num; // correct nCoresPerPkg |
3918 | __kmp_nThreadsPerCore = __kmp_hws_proc.num; // correct __kmp_nThreadsPerCore |
3919 | __kmp_avail_proc = n_new; // correct avail_proc |
3920 | __kmp_ncores = nPackages * __kmp_hws_core.num; // correct ncores |
3921 | } // non-hwloc topology method |
3922 | if (pAddr) { |
3923 | __kmp_free(*pAddr)___kmp_free((*pAddr), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3923); |
3924 | *pAddr = newAddr; // replace old topology with new one |
3925 | } |
3926 | if (__kmp_affinity_verbose) { |
3927 | char m[KMP_AFFIN_MASK_PRINT_LEN1024]; |
3928 | __kmp_affinity_print_mask(m, KMP_AFFIN_MASK_PRINT_LEN1024, |
3929 | __kmp_affin_fullMask); |
3930 | if (__kmp_affinity_respect_mask) { |
3931 | KMP_INFORM(InitOSProcSetRespect, "KMP_HW_SUBSET", m)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetRespect , "KMP_HW_SUBSET", m), __kmp_msg_null); |
3932 | } else { |
3933 | KMP_INFORM(InitOSProcSetNotRespect, "KMP_HW_SUBSET", m)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_InitOSProcSetNotRespect , "KMP_HW_SUBSET", m), __kmp_msg_null); |
3934 | } |
3935 | KMP_INFORM(AvailableOSProc, "KMP_HW_SUBSET", __kmp_avail_proc)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AvailableOSProc , "KMP_HW_SUBSET", __kmp_avail_proc), __kmp_msg_null); |
3936 | kmp_str_buf_t buf; |
3937 | __kmp_str_buf_init(&buf){ (&buf)->str = (&buf)->bulk; (&buf)->size = sizeof((&buf)->bulk); (&buf)->used = 0; (& buf)->bulk[0] = 0; }; |
3938 | __kmp_str_buf_print(&buf, "%d", nPackages); |
3939 | KMP_INFORM(TopologyExtra, "KMP_HW_SUBSET", buf.str, nCoresPerPkg,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_HW_SUBSET", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null) |
3940 | __kmp_nThreadsPerCore, __kmp_ncores)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_TopologyExtra , "KMP_HW_SUBSET", buf.str, nCoresPerPkg, __kmp_nThreadsPerCore , __kmp_ncores), __kmp_msg_null); |
3941 | __kmp_str_buf_free(&buf); |
3942 | } |
3943 | _exit: |
3944 | if (__kmp_pu_os_idx != NULL__null) { |
3945 | __kmp_free(__kmp_pu_os_idx)___kmp_free((__kmp_pu_os_idx), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 3945); |
3946 | __kmp_pu_os_idx = NULL__null; |
3947 | } |
3948 | } |
3949 | |
3950 | // This function figures out the deepest level at which there is at least one |
3951 | // cluster/core with more than one processing unit bound to it. |
3952 | static int __kmp_affinity_find_core_level(const AddrUnsPair *address2os, |
3953 | int nprocs, int bottom_level) { |
3954 | int core_level = 0; |
3955 | |
3956 | for (int i = 0; i < nprocs; i++) { |
3957 | for (int j = bottom_level; j > 0; j--) { |
3958 | if (address2os[i].first.labels[j] > 0) { |
3959 | if (core_level < (j - 1)) { |
3960 | core_level = j - 1; |
3961 | } |
3962 | } |
3963 | } |
3964 | } |
3965 | return core_level; |
3966 | } |
3967 | |
3968 | // This function counts number of clusters/cores at given level. |
3969 | static int __kmp_affinity_compute_ncores(const AddrUnsPair *address2os, |
3970 | int nprocs, int bottom_level, |
3971 | int core_level) { |
3972 | int ncores = 0; |
3973 | int i, j; |
3974 | |
3975 | j = bottom_level; |
3976 | for (i = 0; i < nprocs; i++) { |
3977 | for (j = bottom_level; j > core_level; j--) { |
3978 | if ((i + 1) < nprocs) { |
3979 | if (address2os[i + 1].first.labels[j] > 0) { |
3980 | break; |
3981 | } |
3982 | } |
3983 | } |
3984 | if (j == core_level) { |
3985 | ncores++; |
3986 | } |
3987 | } |
3988 | if (j > core_level) { |
3989 | // In case of ( nprocs < __kmp_avail_proc ) we may end too deep and miss one |
3990 | // core. May occur when called from __kmp_affinity_find_core(). |
3991 | ncores++; |
3992 | } |
3993 | return ncores; |
3994 | } |
3995 | |
3996 | // This function finds to which cluster/core given processing unit is bound. |
3997 | static int __kmp_affinity_find_core(const AddrUnsPair *address2os, int proc, |
3998 | int bottom_level, int core_level) { |
3999 | return __kmp_affinity_compute_ncores(address2os, proc + 1, bottom_level, |
4000 | core_level) - |
4001 | 1; |
4002 | } |
4003 | |
4004 | // This function finds maximal number of processing units bound to a |
4005 | // cluster/core at given level. |
4006 | static int __kmp_affinity_max_proc_per_core(const AddrUnsPair *address2os, |
4007 | int nprocs, int bottom_level, |
4008 | int core_level) { |
4009 | int maxprocpercore = 0; |
4010 | |
4011 | if (core_level < bottom_level) { |
4012 | for (int i = 0; i < nprocs; i++) { |
4013 | int percore = address2os[i].first.labels[core_level + 1] + 1; |
4014 | |
4015 | if (percore > maxprocpercore) { |
4016 | maxprocpercore = percore; |
4017 | } |
4018 | } |
4019 | } else { |
4020 | maxprocpercore = 1; |
4021 | } |
4022 | return maxprocpercore; |
4023 | } |
4024 | |
4025 | static AddrUnsPair *address2os = NULL__null; |
4026 | static int *procarr = NULL__null; |
4027 | static int __kmp_aff_depth = 0; |
4028 | |
4029 | #if KMP_USE_HIER_SCHED0 |
4030 | #define KMP_EXIT_AFF_NONE \ |
4031 | KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert ("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4031)); \ |
4032 | KMP_ASSERT(address2os == NULL)((address2os == __null) ? 0 : __kmp_debug_assert("address2os == NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4032)); \ |
4033 | __kmp_apply_thread_places(NULL__null, 0); \ |
4034 | __kmp_create_affinity_none_places(); \ |
4035 | __kmp_dispatch_set_hierarchy_values(); \ |
4036 | return; |
4037 | #else |
4038 | #define KMP_EXIT_AFF_NONE \ |
4039 | KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert ("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4039)); \ |
4040 | KMP_ASSERT(address2os == NULL)((address2os == __null) ? 0 : __kmp_debug_assert("address2os == NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4040)); \ |
4041 | __kmp_apply_thread_places(NULL__null, 0); \ |
4042 | __kmp_create_affinity_none_places(); \ |
4043 | return; |
4044 | #endif |
4045 | |
4046 | // Create a one element mask array (set of places) which only contains the |
4047 | // initial process's affinity mask |
4048 | static void __kmp_create_affinity_none_places() { |
4049 | KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4049)); |
4050 | KMP_ASSERT(__kmp_affinity_type == affinity_none)((__kmp_affinity_type == affinity_none) ? 0 : __kmp_debug_assert ("__kmp_affinity_type == affinity_none", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4050)); |
4051 | __kmp_affinity_num_masks = 1; |
4052 | KMP_CPU_ALLOC_ARRAY(__kmp_affinity_masks, __kmp_affinity_num_masks)(__kmp_affinity_masks = __kmp_affinity_dispatch->allocate_mask_array (__kmp_affinity_num_masks)); |
4053 | kmp_affin_mask_t *dest = KMP_CPU_INDEX(__kmp_affinity_masks, 0)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks , 0); |
4054 | KMP_CPU_COPY(dest, __kmp_affin_fullMask)(dest)->copy(__kmp_affin_fullMask); |
4055 | } |
4056 | |
4057 | static int __kmp_affinity_cmp_Address_child_num(const void *a, const void *b) { |
4058 | const Address *aa = &(((const AddrUnsPair *)a)->first); |
4059 | const Address *bb = &(((const AddrUnsPair *)b)->first); |
4060 | unsigned depth = aa->depth; |
4061 | unsigned i; |
4062 | KMP_DEBUG_ASSERT(depth == bb->depth)((depth == bb->depth) ? 0 : __kmp_debug_assert("depth == bb->depth" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4062)); |
4063 | KMP_DEBUG_ASSERT((unsigned)__kmp_affinity_compact <= depth)(((unsigned)__kmp_affinity_compact <= depth) ? 0 : __kmp_debug_assert ("(unsigned)__kmp_affinity_compact <= depth", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4063)); |
4064 | KMP_DEBUG_ASSERT(__kmp_affinity_compact >= 0)((__kmp_affinity_compact >= 0) ? 0 : __kmp_debug_assert("__kmp_affinity_compact >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4064)); |
4065 | for (i = 0; i < (unsigned)__kmp_affinity_compact; i++) { |
4066 | int j = depth - i - 1; |
4067 | if (aa->childNums[j] < bb->childNums[j]) |
4068 | return -1; |
4069 | if (aa->childNums[j] > bb->childNums[j]) |
4070 | return 1; |
4071 | } |
4072 | for (; i < depth; i++) { |
4073 | int j = i - __kmp_affinity_compact; |
4074 | if (aa->childNums[j] < bb->childNums[j]) |
4075 | return -1; |
4076 | if (aa->childNums[j] > bb->childNums[j]) |
4077 | return 1; |
4078 | } |
4079 | return 0; |
4080 | } |
4081 | |
4082 | static void __kmp_aux_affinity_initialize(void) { |
4083 | if (__kmp_affinity_masks != NULL__null) { |
4084 | KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4084)); |
4085 | return; |
4086 | } |
4087 | |
4088 | // Create the "full" mask - this defines all of the processors that we |
4089 | // consider to be in the machine model. If respect is set, then it is the |
4090 | // initialization thread's affinity mask. Otherwise, it is all processors that |
4091 | // we know about on the machine. |
4092 | if (__kmp_affin_fullMask == NULL__null) { |
4093 | KMP_CPU_ALLOC(__kmp_affin_fullMask)(__kmp_affin_fullMask = __kmp_affinity_dispatch->allocate_mask ()); |
4094 | } |
4095 | if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4096 | if (__kmp_affinity_respect_mask) { |
4097 | __kmp_get_system_affinity(__kmp_affin_fullMask, TRUE)(__kmp_affin_fullMask)->get_system_affinity((!0)); |
4098 | |
4099 | // Count the number of available processors. |
4100 | unsigned i; |
4101 | __kmp_avail_proc = 0; |
4102 | KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask)for (i = (__kmp_affin_fullMask)->begin(); i != (__kmp_affin_fullMask )->end(); i = (__kmp_affin_fullMask)->next(i)) { |
4103 | if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(i)) { |
4104 | continue; |
4105 | } |
4106 | __kmp_avail_proc++; |
4107 | } |
4108 | if (__kmp_avail_proc > __kmp_xproc) { |
4109 | if (__kmp_affinity_verbose || |
4110 | (__kmp_affinity_warnings && |
4111 | (__kmp_affinity_type != affinity_none))) { |
4112 | KMP_WARNING(ErrorInitializeAffinity)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ErrorInitializeAffinity ), __kmp_msg_null); |
4113 | } |
4114 | __kmp_affinity_type = affinity_none; |
4115 | KMP_AFFINITY_DISABLE()(__kmp_affin_mask_size = 0); |
4116 | return; |
4117 | } |
4118 | } else { |
4119 | __kmp_affinity_entire_machine_mask(__kmp_affin_fullMask); |
4120 | __kmp_avail_proc = __kmp_xproc; |
4121 | } |
4122 | } |
4123 | |
4124 | if (__kmp_affinity_gran == affinity_gran_tile && |
4125 | // check if user's request is valid |
4126 | __kmp_affinity_dispatch->get_api_type() == KMPAffinity::NATIVE_OS) { |
4127 | KMP_WARNING(AffTilesNoHWLOC, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffTilesNoHWLOC , "KMP_AFFINITY"), __kmp_msg_null); |
4128 | __kmp_affinity_gran = affinity_gran_package; |
4129 | } |
4130 | |
4131 | int depth = -1; |
4132 | kmp_i18n_id_t msg_id = kmp_i18n_null; |
4133 | |
4134 | // For backward compatibility, setting KMP_CPUINFO_FILE => |
4135 | // KMP_TOPOLOGY_METHOD=cpuinfo |
4136 | if ((__kmp_cpuinfo_file != NULL__null) && |
4137 | (__kmp_affinity_top_method == affinity_top_method_all)) { |
4138 | __kmp_affinity_top_method = affinity_top_method_cpuinfo; |
4139 | } |
4140 | |
4141 | if (__kmp_affinity_top_method == affinity_top_method_all) { |
4142 | // In the default code path, errors are not fatal - we just try using |
4143 | // another method. We only emit a warning message if affinity is on, or the |
4144 | // verbose flag is set, an the nowarnings flag was not set. |
4145 | const char *file_name = NULL__null; |
4146 | int line = 0; |
4147 | #if KMP_USE_HWLOC0 |
4148 | if (depth < 0 && |
4149 | __kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC) { |
4150 | if (__kmp_affinity_verbose) { |
4151 | KMP_INFORM(AffUsingHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingHwloc , "KMP_AFFINITY"), __kmp_msg_null); |
4152 | } |
4153 | if (!__kmp_hwloc_error) { |
4154 | depth = __kmp_affinity_create_hwloc_map(&address2os, &msg_id); |
4155 | if (depth == 0) { |
4156 | KMP_EXIT_AFF_NONE; |
4157 | } else if (depth < 0 && __kmp_affinity_verbose) { |
4158 | KMP_INFORM(AffIgnoringHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffIgnoringHwloc , "KMP_AFFINITY"), __kmp_msg_null); |
4159 | } |
4160 | } else if (__kmp_affinity_verbose) { |
4161 | KMP_INFORM(AffIgnoringHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffIgnoringHwloc , "KMP_AFFINITY"), __kmp_msg_null); |
4162 | } |
4163 | } |
4164 | #endif |
4165 | |
4166 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 |
4167 | |
4168 | if (depth < 0) { |
4169 | if (__kmp_affinity_verbose) { |
4170 | KMP_INFORM(AffInfoStr, "KMP_AFFINITY", KMP_I18N_STR(Decodingx2APIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr , "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_Decodingx2APIC )), __kmp_msg_null); |
4171 | } |
4172 | |
4173 | file_name = NULL__null; |
4174 | depth = __kmp_affinity_create_x2apicid_map(&address2os, &msg_id); |
4175 | if (depth == 0) { |
4176 | KMP_EXIT_AFF_NONE; |
4177 | } |
4178 | |
4179 | if (depth < 0) { |
4180 | if (__kmp_affinity_verbose) { |
4181 | if (msg_id != kmp_i18n_null) { |
4182 | KMP_INFORM(AffInfoStrStr, "KMP_AFFINITY",__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStrStr , "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), __kmp_i18n_catgets (kmp_i18n_str_DecodingLegacyAPIC)), __kmp_msg_null) |
4183 | __kmp_i18n_catgets(msg_id),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStrStr , "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), __kmp_i18n_catgets (kmp_i18n_str_DecodingLegacyAPIC)), __kmp_msg_null) |
4184 | KMP_I18N_STR(DecodingLegacyAPIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStrStr , "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), __kmp_i18n_catgets (kmp_i18n_str_DecodingLegacyAPIC)), __kmp_msg_null); |
4185 | } else { |
4186 | KMP_INFORM(AffInfoStr, "KMP_AFFINITY",__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr , "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_DecodingLegacyAPIC )), __kmp_msg_null) |
4187 | KMP_I18N_STR(DecodingLegacyAPIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr , "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_DecodingLegacyAPIC )), __kmp_msg_null); |
4188 | } |
4189 | } |
4190 | |
4191 | file_name = NULL__null; |
4192 | depth = __kmp_affinity_create_apicid_map(&address2os, &msg_id); |
4193 | if (depth == 0) { |
4194 | KMP_EXIT_AFF_NONE; |
4195 | } |
4196 | } |
4197 | } |
4198 | |
4199 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ |
4200 | |
4201 | #if KMP_OS_LINUX1 |
4202 | |
4203 | if (depth < 0) { |
4204 | if (__kmp_affinity_verbose) { |
4205 | if (msg_id != kmp_i18n_null) { |
4206 | KMP_INFORM(AffStrParseFilename, "KMP_AFFINITY",__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffStrParseFilename , "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), "/proc/cpuinfo" ), __kmp_msg_null) |
4207 | __kmp_i18n_catgets(msg_id), "/proc/cpuinfo")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffStrParseFilename , "KMP_AFFINITY", __kmp_i18n_catgets(msg_id), "/proc/cpuinfo" ), __kmp_msg_null); |
4208 | } else { |
4209 | KMP_INFORM(AffParseFilename, "KMP_AFFINITY", "/proc/cpuinfo")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffParseFilename , "KMP_AFFINITY", "/proc/cpuinfo"), __kmp_msg_null); |
4210 | } |
4211 | } |
4212 | |
4213 | FILE *f = fopen("/proc/cpuinfo", "r"); |
4214 | if (f == NULL__null) { |
4215 | msg_id = kmp_i18n_str_CantOpenCpuinfo; |
4216 | } else { |
4217 | file_name = "/proc/cpuinfo"; |
4218 | depth = |
4219 | __kmp_affinity_create_cpuinfo_map(&address2os, &line, &msg_id, f); |
4220 | fclose(f); |
4221 | if (depth == 0) { |
4222 | KMP_EXIT_AFF_NONE; |
4223 | } |
4224 | } |
4225 | } |
4226 | |
4227 | #endif /* KMP_OS_LINUX */ |
4228 | |
4229 | #if KMP_GROUP_AFFINITY0 |
4230 | |
4231 | if ((depth < 0) && (__kmp_num_proc_groups > 1)) { |
4232 | if (__kmp_affinity_verbose) { |
4233 | KMP_INFORM(AffWindowsProcGroupMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffWindowsProcGroupMap , "KMP_AFFINITY"), __kmp_msg_null); |
4234 | } |
4235 | |
4236 | depth = __kmp_affinity_create_proc_group_map(&address2os, &msg_id); |
4237 | KMP_ASSERT(depth != 0)((depth != 0) ? 0 : __kmp_debug_assert("depth != 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4237)); |
4238 | } |
4239 | |
4240 | #endif /* KMP_GROUP_AFFINITY */ |
4241 | |
4242 | if (depth < 0) { |
4243 | if (__kmp_affinity_verbose && (msg_id != kmp_i18n_null)) { |
4244 | if (file_name == NULL__null) { |
4245 | KMP_INFORM(UsingFlatOS, __kmp_i18n_catgets(msg_id))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOS , __kmp_i18n_catgets(msg_id)), __kmp_msg_null); |
4246 | } else if (line == 0) { |
4247 | KMP_INFORM(UsingFlatOSFile, file_name, __kmp_i18n_catgets(msg_id))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOSFile , file_name, __kmp_i18n_catgets(msg_id)), __kmp_msg_null); |
4248 | } else { |
4249 | KMP_INFORM(UsingFlatOSFileLine, file_name, line,__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOSFileLine , file_name, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null ) |
4250 | __kmp_i18n_catgets(msg_id))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_UsingFlatOSFileLine , file_name, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null ); |
4251 | } |
4252 | } |
4253 | // FIXME - print msg if msg_id = kmp_i18n_null ??? |
4254 | |
4255 | file_name = ""; |
4256 | depth = __kmp_affinity_create_flat_map(&address2os, &msg_id); |
4257 | if (depth == 0) { |
4258 | KMP_EXIT_AFF_NONE; |
4259 | } |
4260 | KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4260)); |
4261 | KMP_ASSERT(address2os != NULL)((address2os != __null) ? 0 : __kmp_debug_assert("address2os != NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4261)); |
4262 | } |
4263 | } |
4264 | |
4265 | #if KMP_USE_HWLOC0 |
4266 | else if (__kmp_affinity_top_method == affinity_top_method_hwloc) { |
4267 | KMP_ASSERT(__kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC)((__kmp_affinity_dispatch->get_api_type() == KMPAffinity:: HWLOC) ? 0 : __kmp_debug_assert("__kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4267)); |
4268 | if (__kmp_affinity_verbose) { |
4269 | KMP_INFORM(AffUsingHwloc, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingHwloc , "KMP_AFFINITY"), __kmp_msg_null); |
4270 | } |
4271 | depth = __kmp_affinity_create_hwloc_map(&address2os, &msg_id); |
4272 | if (depth == 0) { |
4273 | KMP_EXIT_AFF_NONE; |
4274 | } |
4275 | } |
4276 | #endif // KMP_USE_HWLOC |
4277 | |
4278 | // If the user has specified that a paricular topology discovery method is to be |
4279 | // used, then we abort if that method fails. The exception is group affinity, |
4280 | // which might have been implicitly set. |
4281 | |
4282 | #if KMP_ARCH_X860 || KMP_ARCH_X86_641 |
4283 | |
4284 | else if (__kmp_affinity_top_method == affinity_top_method_x2apicid) { |
4285 | if (__kmp_affinity_verbose) { |
4286 | KMP_INFORM(AffInfoStr, "KMP_AFFINITY", KMP_I18N_STR(Decodingx2APIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr , "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_Decodingx2APIC )), __kmp_msg_null); |
4287 | } |
4288 | |
4289 | depth = __kmp_affinity_create_x2apicid_map(&address2os, &msg_id); |
4290 | if (depth == 0) { |
4291 | KMP_EXIT_AFF_NONE; |
4292 | } |
4293 | if (depth < 0) { |
4294 | KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4294)); |
4295 | KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_MsgExiting, __kmp_i18n_catgets (msg_id)), __kmp_msg_null); |
4296 | } |
4297 | } else if (__kmp_affinity_top_method == affinity_top_method_apicid) { |
4298 | if (__kmp_affinity_verbose) { |
4299 | KMP_INFORM(AffInfoStr, "KMP_AFFINITY", KMP_I18N_STR(DecodingLegacyAPIC))__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffInfoStr , "KMP_AFFINITY", __kmp_i18n_catgets(kmp_i18n_str_DecodingLegacyAPIC )), __kmp_msg_null); |
4300 | } |
4301 | |
4302 | depth = __kmp_affinity_create_apicid_map(&address2os, &msg_id); |
4303 | if (depth == 0) { |
4304 | KMP_EXIT_AFF_NONE; |
4305 | } |
4306 | if (depth < 0) { |
4307 | KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4307)); |
4308 | KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_MsgExiting, __kmp_i18n_catgets (msg_id)), __kmp_msg_null); |
4309 | } |
4310 | } |
4311 | |
4312 | #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */ |
4313 | |
4314 | else if (__kmp_affinity_top_method == affinity_top_method_cpuinfo) { |
4315 | const char *filename; |
4316 | if (__kmp_cpuinfo_file != NULL__null) { |
4317 | filename = __kmp_cpuinfo_file; |
4318 | } else { |
4319 | filename = "/proc/cpuinfo"; |
4320 | } |
4321 | |
4322 | if (__kmp_affinity_verbose) { |
4323 | KMP_INFORM(AffParseFilename, "KMP_AFFINITY", filename)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffParseFilename , "KMP_AFFINITY", filename), __kmp_msg_null); |
4324 | } |
4325 | |
4326 | FILE *f = fopen(filename, "r"); |
4327 | if (f == NULL__null) { |
4328 | int code = errno(*__errno_location ()); |
4329 | if (__kmp_cpuinfo_file != NULL__null) { |
4330 | __kmp_fatal(KMP_MSG(CantOpenFileForReading, filename)__kmp_msg_format(kmp_i18n_msg_CantOpenFileForReading, filename ), KMP_ERR(code)__kmp_msg_error_code(code), |
4331 | KMP_HNT(NameComesFrom_CPUINFO_FILE)__kmp_msg_format(kmp_i18n_hnt_NameComesFrom_CPUINFO_FILE), __kmp_msg_null); |
4332 | } else { |
4333 | __kmp_fatal(KMP_MSG(CantOpenFileForReading, filename)__kmp_msg_format(kmp_i18n_msg_CantOpenFileForReading, filename ), KMP_ERR(code)__kmp_msg_error_code(code), |
4334 | __kmp_msg_null); |
4335 | } |
4336 | } |
4337 | int line = 0; |
4338 | depth = __kmp_affinity_create_cpuinfo_map(&address2os, &line, &msg_id, f); |
4339 | fclose(f); |
4340 | if (depth < 0) { |
4341 | KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4341)); |
4342 | if (line > 0) { |
4343 | KMP_FATAL(FileLineMsgExiting, filename, line,__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_FileLineMsgExiting, filename, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null) |
4344 | __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_FileLineMsgExiting, filename, line, __kmp_i18n_catgets(msg_id)), __kmp_msg_null); |
4345 | } else { |
4346 | KMP_FATAL(FileMsgExiting, filename, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_FileMsgExiting, filename , __kmp_i18n_catgets(msg_id)), __kmp_msg_null); |
4347 | } |
4348 | } |
4349 | if (__kmp_affinity_type == affinity_none) { |
4350 | KMP_ASSERT(depth == 0)((depth == 0) ? 0 : __kmp_debug_assert("depth == 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4350)); |
4351 | KMP_EXIT_AFF_NONE; |
4352 | } |
4353 | } |
4354 | |
4355 | #if KMP_GROUP_AFFINITY0 |
4356 | |
4357 | else if (__kmp_affinity_top_method == affinity_top_method_group) { |
4358 | if (__kmp_affinity_verbose) { |
4359 | KMP_INFORM(AffWindowsProcGroupMap, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffWindowsProcGroupMap , "KMP_AFFINITY"), __kmp_msg_null); |
4360 | } |
4361 | |
4362 | depth = __kmp_affinity_create_proc_group_map(&address2os, &msg_id); |
4363 | KMP_ASSERT(depth != 0)((depth != 0) ? 0 : __kmp_debug_assert("depth != 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4363)); |
4364 | if (depth < 0) { |
4365 | KMP_ASSERT(msg_id != kmp_i18n_null)((msg_id != kmp_i18n_null) ? 0 : __kmp_debug_assert("msg_id != kmp_i18n_null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4365)); |
4366 | KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id))__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_MsgExiting, __kmp_i18n_catgets (msg_id)), __kmp_msg_null); |
4367 | } |
4368 | } |
4369 | |
4370 | #endif /* KMP_GROUP_AFFINITY */ |
4371 | |
4372 | else if (__kmp_affinity_top_method == affinity_top_method_flat) { |
4373 | if (__kmp_affinity_verbose) { |
4374 | KMP_INFORM(AffUsingFlatOS, "KMP_AFFINITY")__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_AffUsingFlatOS , "KMP_AFFINITY"), __kmp_msg_null); |
4375 | } |
4376 | |
4377 | depth = __kmp_affinity_create_flat_map(&address2os, &msg_id); |
4378 | if (depth == 0) { |
4379 | KMP_EXIT_AFF_NONE; |
4380 | } |
4381 | // should not fail |
4382 | KMP_ASSERT(depth > 0)((depth > 0) ? 0 : __kmp_debug_assert("depth > 0", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4382)); |
4383 | KMP_ASSERT(address2os != NULL)((address2os != __null) ? 0 : __kmp_debug_assert("address2os != NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4383)); |
4384 | } |
4385 | |
4386 | #if KMP_USE_HIER_SCHED0 |
4387 | __kmp_dispatch_set_hierarchy_values(); |
4388 | #endif |
4389 | |
4390 | if (address2os == NULL__null) { |
4391 | if (KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0) && |
4392 | (__kmp_affinity_verbose || |
4393 | (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none)))) { |
4394 | KMP_WARNING(ErrorInitializeAffinity)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_ErrorInitializeAffinity ), __kmp_msg_null); |
4395 | } |
4396 | __kmp_affinity_type = affinity_none; |
4397 | __kmp_create_affinity_none_places(); |
4398 | KMP_AFFINITY_DISABLE()(__kmp_affin_mask_size = 0); |
4399 | return; |
4400 | } |
4401 | |
4402 | if (__kmp_affinity_gran == affinity_gran_tile |
4403 | #if KMP_USE_HWLOC0 |
4404 | && __kmp_tile_depth == 0 |
4405 | #endif |
4406 | ) { |
4407 | // tiles requested but not detected, warn user on this |
4408 | KMP_WARNING(AffTilesNoTiles, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffTilesNoTiles , "KMP_AFFINITY"), __kmp_msg_null); |
4409 | } |
4410 | |
4411 | __kmp_apply_thread_places(&address2os, depth); |
4412 | |
4413 | // Create the table of masks, indexed by thread Id. |
4414 | unsigned maxIndex; |
4415 | unsigned numUnique; |
4416 | kmp_affin_mask_t *osId2Mask = |
4417 | __kmp_create_masks(&maxIndex, &numUnique, address2os, __kmp_avail_proc); |
4418 | if (__kmp_affinity_gran_levels == 0) { |
4419 | KMP_DEBUG_ASSERT((int)numUnique == __kmp_avail_proc)(((int)numUnique == __kmp_avail_proc) ? 0 : __kmp_debug_assert ("(int)numUnique == __kmp_avail_proc", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4419)); |
4420 | } |
4421 | |
4422 | // Set the childNums vector in all Address objects. This must be done before |
4423 | // we can sort using __kmp_affinity_cmp_Address_child_num(), which takes into |
4424 | // account the setting of __kmp_affinity_compact. |
4425 | __kmp_affinity_assign_child_nums(address2os, __kmp_avail_proc); |
4426 | |
4427 | switch (__kmp_affinity_type) { |
4428 | |
4429 | case affinity_explicit: |
4430 | KMP_DEBUG_ASSERT(__kmp_affinity_proclist != NULL)((__kmp_affinity_proclist != __null) ? 0 : __kmp_debug_assert ("__kmp_affinity_proclist != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4430)); |
4431 | #if OMP_40_ENABLED(50 >= 40) |
4432 | if (__kmp_nested_proc_bind.bind_types[0] == proc_bind_intel) |
4433 | #endif |
4434 | { |
4435 | __kmp_affinity_process_proclist( |
4436 | &__kmp_affinity_masks, &__kmp_affinity_num_masks, |
4437 | __kmp_affinity_proclist, osId2Mask, maxIndex); |
4438 | } |
4439 | #if OMP_40_ENABLED(50 >= 40) |
4440 | else { |
4441 | __kmp_affinity_process_placelist( |
4442 | &__kmp_affinity_masks, &__kmp_affinity_num_masks, |
4443 | __kmp_affinity_proclist, osId2Mask, maxIndex); |
4444 | } |
4445 | #endif |
4446 | if (__kmp_affinity_num_masks == 0) { |
4447 | if (__kmp_affinity_verbose || |
4448 | (__kmp_affinity_warnings && (__kmp_affinity_type != affinity_none))) { |
4449 | KMP_WARNING(AffNoValidProcID)__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffNoValidProcID ), __kmp_msg_null); |
4450 | } |
4451 | __kmp_affinity_type = affinity_none; |
4452 | return; |
4453 | } |
4454 | break; |
4455 | |
4456 | // The other affinity types rely on sorting the Addresses according to some |
4457 | // permutation of the machine topology tree. Set __kmp_affinity_compact and |
4458 | // __kmp_affinity_offset appropriately, then jump to a common code fragment |
4459 | // to do the sort and create the array of affinity masks. |
4460 | |
4461 | case affinity_logical: |
4462 | __kmp_affinity_compact = 0; |
4463 | if (__kmp_affinity_offset) { |
4464 | __kmp_affinity_offset = |
4465 | __kmp_nThreadsPerCore * __kmp_affinity_offset % __kmp_avail_proc; |
4466 | } |
4467 | goto sortAddresses; |
4468 | |
4469 | case affinity_physical: |
4470 | if (__kmp_nThreadsPerCore > 1) { |
4471 | __kmp_affinity_compact = 1; |
4472 | if (__kmp_affinity_compact >= depth) { |
4473 | __kmp_affinity_compact = 0; |
4474 | } |
4475 | } else { |
4476 | __kmp_affinity_compact = 0; |
4477 | } |
4478 | if (__kmp_affinity_offset) { |
4479 | __kmp_affinity_offset = |
4480 | __kmp_nThreadsPerCore * __kmp_affinity_offset % __kmp_avail_proc; |
4481 | } |
4482 | goto sortAddresses; |
4483 | |
4484 | case affinity_scatter: |
4485 | if (__kmp_affinity_compact >= depth) { |
4486 | __kmp_affinity_compact = 0; |
4487 | } else { |
4488 | __kmp_affinity_compact = depth - 1 - __kmp_affinity_compact; |
4489 | } |
4490 | goto sortAddresses; |
4491 | |
4492 | case affinity_compact: |
4493 | if (__kmp_affinity_compact >= depth) { |
4494 | __kmp_affinity_compact = depth - 1; |
4495 | } |
4496 | goto sortAddresses; |
4497 | |
4498 | case affinity_balanced: |
4499 | if (depth <= 1) { |
4500 | if (__kmp_affinity_verbose || __kmp_affinity_warnings) { |
4501 | KMP_WARNING(AffBalancedNotAvail, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffBalancedNotAvail , "KMP_AFFINITY"), __kmp_msg_null); |
4502 | } |
4503 | __kmp_affinity_type = affinity_none; |
4504 | return; |
4505 | } else if (__kmp_affinity_uniform_topology()) { |
4506 | break; |
4507 | } else { // Non-uniform topology |
4508 | |
4509 | // Save the depth for further usage |
4510 | __kmp_aff_depth = depth; |
4511 | |
4512 | int core_level = __kmp_affinity_find_core_level( |
4513 | address2os, __kmp_avail_proc, depth - 1); |
4514 | int ncores = __kmp_affinity_compute_ncores(address2os, __kmp_avail_proc, |
4515 | depth - 1, core_level); |
4516 | int maxprocpercore = __kmp_affinity_max_proc_per_core( |
4517 | address2os, __kmp_avail_proc, depth - 1, core_level); |
4518 | |
4519 | int nproc = ncores * maxprocpercore; |
4520 | if ((nproc < 2) || (nproc < __kmp_avail_proc)) { |
4521 | if (__kmp_affinity_verbose || __kmp_affinity_warnings) { |
4522 | KMP_WARNING(AffBalancedNotAvail, "KMP_AFFINITY")__kmp_msg(kmp_ms_warning, __kmp_msg_format(kmp_i18n_msg_AffBalancedNotAvail , "KMP_AFFINITY"), __kmp_msg_null); |
4523 | } |
4524 | __kmp_affinity_type = affinity_none; |
4525 | return; |
4526 | } |
4527 | |
4528 | procarr = (int *)__kmp_allocate(sizeof(int) * nproc)___kmp_allocate((sizeof(int) * nproc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4528); |
4529 | for (int i = 0; i < nproc; i++) { |
4530 | procarr[i] = -1; |
4531 | } |
4532 | |
4533 | int lastcore = -1; |
4534 | int inlastcore = 0; |
4535 | for (int i = 0; i < __kmp_avail_proc; i++) { |
4536 | int proc = address2os[i].second; |
4537 | int core = |
4538 | __kmp_affinity_find_core(address2os, i, depth - 1, core_level); |
4539 | |
4540 | if (core == lastcore) { |
4541 | inlastcore++; |
4542 | } else { |
4543 | inlastcore = 0; |
4544 | } |
4545 | lastcore = core; |
4546 | |
4547 | procarr[core * maxprocpercore + inlastcore] = proc; |
4548 | } |
4549 | |
4550 | break; |
4551 | } |
4552 | |
4553 | sortAddresses: |
4554 | // Allocate the gtid->affinity mask table. |
4555 | if (__kmp_affinity_dups) { |
4556 | __kmp_affinity_num_masks = __kmp_avail_proc; |
4557 | } else { |
4558 | __kmp_affinity_num_masks = numUnique; |
4559 | } |
4560 | |
4561 | #if OMP_40_ENABLED(50 >= 40) |
4562 | if ((__kmp_nested_proc_bind.bind_types[0] != proc_bind_intel) && |
4563 | (__kmp_affinity_num_places > 0) && |
4564 | ((unsigned)__kmp_affinity_num_places < __kmp_affinity_num_masks)) { |
4565 | __kmp_affinity_num_masks = __kmp_affinity_num_places; |
4566 | } |
4567 | #endif |
4568 | |
4569 | KMP_CPU_ALLOC_ARRAY(__kmp_affinity_masks, __kmp_affinity_num_masks)(__kmp_affinity_masks = __kmp_affinity_dispatch->allocate_mask_array (__kmp_affinity_num_masks)); |
4570 | |
4571 | // Sort the address2os table according to the current setting of |
4572 | // __kmp_affinity_compact, then fill out __kmp_affinity_masks. |
4573 | qsort(address2os, __kmp_avail_proc, sizeof(*address2os), |
4574 | __kmp_affinity_cmp_Address_child_num); |
4575 | { |
4576 | int i; |
4577 | unsigned j; |
4578 | for (i = 0, j = 0; i < __kmp_avail_proc; i++) { |
4579 | if ((!__kmp_affinity_dups) && (!address2os[i].first.leader)) { |
4580 | continue; |
4581 | } |
4582 | unsigned osId = address2os[i].second; |
4583 | kmp_affin_mask_t *src = KMP_CPU_INDEX(osId2Mask, osId)__kmp_affinity_dispatch->index_mask_array(osId2Mask, osId); |
4584 | kmp_affin_mask_t *dest = KMP_CPU_INDEX(__kmp_affinity_masks, j)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks , j); |
4585 | KMP_ASSERT(KMP_CPU_ISSET(osId, src))(((src)->is_set(osId)) ? 0 : __kmp_debug_assert("KMP_CPU_ISSET(osId, src)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4585)); |
4586 | KMP_CPU_COPY(dest, src)(dest)->copy(src); |
4587 | if (++j >= __kmp_affinity_num_masks) { |
4588 | break; |
4589 | } |
4590 | } |
4591 | KMP_DEBUG_ASSERT(j == __kmp_affinity_num_masks)((j == __kmp_affinity_num_masks) ? 0 : __kmp_debug_assert("j == __kmp_affinity_num_masks" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4591)); |
4592 | } |
4593 | break; |
4594 | |
4595 | default: |
4596 | KMP_ASSERT2(0, "Unexpected affinity setting")((0) ? 0 : __kmp_debug_assert(("Unexpected affinity setting") , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4596)); |
4597 | } |
4598 | |
4599 | KMP_CPU_FREE_ARRAY(osId2Mask, maxIndex + 1)__kmp_affinity_dispatch->deallocate_mask_array(osId2Mask); |
4600 | machine_hierarchy.init(address2os, __kmp_avail_proc); |
4601 | } |
4602 | #undef KMP_EXIT_AFF_NONE |
4603 | |
4604 | void __kmp_affinity_initialize(void) { |
4605 | // Much of the code above was written assumming that if a machine was not |
4606 | // affinity capable, then __kmp_affinity_type == affinity_none. We now |
4607 | // explicitly represent this as __kmp_affinity_type == affinity_disabled. |
4608 | // There are too many checks for __kmp_affinity_type == affinity_none |
4609 | // in this code. Instead of trying to change them all, check if |
4610 | // __kmp_affinity_type == affinity_disabled, and if so, slam it with |
4611 | // affinity_none, call the real initialization routine, then restore |
4612 | // __kmp_affinity_type to affinity_disabled. |
4613 | int disabled = (__kmp_affinity_type == affinity_disabled); |
4614 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4615 | KMP_ASSERT(disabled)((disabled) ? 0 : __kmp_debug_assert("disabled", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4615)); |
4616 | } |
4617 | if (disabled) { |
4618 | __kmp_affinity_type = affinity_none; |
4619 | } |
4620 | __kmp_aux_affinity_initialize(); |
4621 | if (disabled) { |
4622 | __kmp_affinity_type = affinity_disabled; |
4623 | } |
4624 | } |
4625 | |
4626 | void __kmp_affinity_uninitialize(void) { |
4627 | if (__kmp_affinity_masks != NULL__null) { |
4628 | KMP_CPU_FREE_ARRAY(__kmp_affinity_masks, __kmp_affinity_num_masks)__kmp_affinity_dispatch->deallocate_mask_array(__kmp_affinity_masks ); |
4629 | __kmp_affinity_masks = NULL__null; |
4630 | } |
4631 | if (__kmp_affin_fullMask != NULL__null) { |
4632 | KMP_CPU_FREE(__kmp_affin_fullMask)__kmp_affinity_dispatch->deallocate_mask(__kmp_affin_fullMask ); |
4633 | __kmp_affin_fullMask = NULL__null; |
4634 | } |
4635 | __kmp_affinity_num_masks = 0; |
4636 | __kmp_affinity_type = affinity_default; |
4637 | #if OMP_40_ENABLED(50 >= 40) |
4638 | __kmp_affinity_num_places = 0; |
4639 | #endif |
4640 | if (__kmp_affinity_proclist != NULL__null) { |
4641 | __kmp_free(__kmp_affinity_proclist)___kmp_free((__kmp_affinity_proclist), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4641); |
4642 | __kmp_affinity_proclist = NULL__null; |
4643 | } |
4644 | if (address2os != NULL__null) { |
4645 | __kmp_free(address2os)___kmp_free((address2os), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4645); |
4646 | address2os = NULL__null; |
4647 | } |
4648 | if (procarr != NULL__null) { |
4649 | __kmp_free(procarr)___kmp_free((procarr), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4649); |
4650 | procarr = NULL__null; |
4651 | } |
4652 | #if KMP_USE_HWLOC0 |
4653 | if (__kmp_hwloc_topology != NULL__null) { |
4654 | hwloc_topology_destroy(__kmp_hwloc_topology); |
4655 | __kmp_hwloc_topology = NULL__null; |
4656 | } |
4657 | #endif |
4658 | KMPAffinity::destroy_api(); |
4659 | } |
4660 | |
4661 | void __kmp_affinity_set_init_mask(int gtid, int isa_root) { |
4662 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4663 | return; |
4664 | } |
4665 | |
4666 | kmp_info_t *th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[gtid])((void *)(__kmp_threads[gtid])); |
4667 | if (th->th.th_affin_mask == NULL__null) { |
4668 | KMP_CPU_ALLOC(th->th.th_affin_mask)(th->th.th_affin_mask = __kmp_affinity_dispatch->allocate_mask ()); |
4669 | } else { |
4670 | KMP_CPU_ZERO(th->th.th_affin_mask)(th->th.th_affin_mask)->zero(); |
4671 | } |
4672 | |
4673 | // Copy the thread mask to the kmp_info_t strucuture. If |
4674 | // __kmp_affinity_type == affinity_none, copy the "full" mask, i.e. one that |
4675 | // has all of the OS proc ids set, or if __kmp_affinity_respect_mask is set, |
4676 | // then the full mask is the same as the mask of the initialization thread. |
4677 | kmp_affin_mask_t *mask; |
4678 | int i; |
4679 | |
4680 | #if OMP_40_ENABLED(50 >= 40) |
4681 | if (KMP_AFFINITY_NON_PROC_BIND((__kmp_nested_proc_bind.bind_types[0] == proc_bind_false || __kmp_nested_proc_bind .bind_types[0] == proc_bind_intel) && (__kmp_affinity_num_masks > 0 || __kmp_affinity_type == affinity_balanced))) |
4682 | #endif |
4683 | { |
4684 | if ((__kmp_affinity_type == affinity_none) || |
4685 | (__kmp_affinity_type == affinity_balanced)) { |
4686 | #if KMP_GROUP_AFFINITY0 |
4687 | if (__kmp_num_proc_groups > 1) { |
4688 | return; |
4689 | } |
4690 | #endif |
4691 | KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4691)); |
4692 | i = 0; |
4693 | mask = __kmp_affin_fullMask; |
4694 | } else { |
4695 | KMP_DEBUG_ASSERT(__kmp_affinity_num_masks > 0)((__kmp_affinity_num_masks > 0) ? 0 : __kmp_debug_assert("__kmp_affinity_num_masks > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4695)); |
4696 | i = (gtid + __kmp_affinity_offset) % __kmp_affinity_num_masks; |
4697 | mask = KMP_CPU_INDEX(__kmp_affinity_masks, i)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks , i); |
4698 | } |
4699 | } |
4700 | #if OMP_40_ENABLED(50 >= 40) |
4701 | else { |
4702 | if ((!isa_root) || |
4703 | (__kmp_nested_proc_bind.bind_types[0] == proc_bind_false)) { |
4704 | #if KMP_GROUP_AFFINITY0 |
4705 | if (__kmp_num_proc_groups > 1) { |
4706 | return; |
4707 | } |
4708 | #endif |
4709 | KMP_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != NULL" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4709)); |
4710 | i = KMP_PLACE_ALL(-1); |
4711 | mask = __kmp_affin_fullMask; |
4712 | } else { |
4713 | // int i = some hash function or just a counter that doesn't |
4714 | // always start at 0. Use gtid for now. |
4715 | KMP_DEBUG_ASSERT(__kmp_affinity_num_masks > 0)((__kmp_affinity_num_masks > 0) ? 0 : __kmp_debug_assert("__kmp_affinity_num_masks > 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4715)); |
4716 | i = (gtid + __kmp_affinity_offset) % __kmp_affinity_num_masks; |
4717 | mask = KMP_CPU_INDEX(__kmp_affinity_masks, i)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks , i); |
4718 | } |
4719 | } |
4720 | #endif |
4721 | |
4722 | #if OMP_40_ENABLED(50 >= 40) |
4723 | th->th.th_current_place = i; |
4724 | if (isa_root) { |
4725 | th->th.th_new_place = i; |
4726 | th->th.th_first_place = 0; |
4727 | th->th.th_last_place = __kmp_affinity_num_masks - 1; |
4728 | } |
4729 | |
4730 | if (i == KMP_PLACE_ALL(-1)) { |
4731 | KA_TRACE(100, ("__kmp_affinity_set_init_mask: binding T#%d to all places\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to all places\n" , gtid); } |
4732 | gtid))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to all places\n" , gtid); }; |
4733 | } else { |
4734 | KA_TRACE(100, ("__kmp_affinity_set_init_mask: binding T#%d to place %d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to place %d\n" , gtid, i); } |
4735 | gtid, i))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to place %d\n" , gtid, i); }; |
4736 | } |
4737 | #else |
4738 | if (i == -1) { |
4739 | KA_TRACE(if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n" , gtid); } |
4740 | 100,if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n" , gtid); } |
4741 | ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n" , gtid); } |
4742 | gtid))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to __kmp_affin_fullMask\n" , gtid); }; |
4743 | } else { |
4744 | KA_TRACE(100, ("__kmp_affinity_set_init_mask: binding T#%d to mask %d\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to mask %d\n" , gtid, i); } |
4745 | gtid, i))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_init_mask: binding T#%d to mask %d\n" , gtid, i); }; |
4746 | } |
4747 | #endif /* OMP_40_ENABLED */ |
4748 | |
4749 | KMP_CPU_COPY(th->th.th_affin_mask, mask)(th->th.th_affin_mask)->copy(mask); |
4750 | |
4751 | if (__kmp_affinity_verbose |
4752 | /* to avoid duplicate printing (will be correctly printed on barrier) */ |
4753 | && (__kmp_affinity_type == affinity_none || i != KMP_PLACE_ALL(-1))) { |
4754 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
4755 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, |
4756 | th->th.th_affin_mask); |
4757 | KMP_INFORM(BoundToOSProcSet, "KMP_AFFINITY", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), gtid, buf ), __kmp_msg_null) |
4758 | __kmp_gettid(), gtid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), gtid, buf ), __kmp_msg_null); |
4759 | } |
4760 | |
4761 | #if KMP_OS_WINDOWS0 |
4762 | // On Windows* OS, the process affinity mask might have changed. If the user |
4763 | // didn't request affinity and this call fails, just continue silently. |
4764 | // See CQ171393. |
4765 | if (__kmp_affinity_type == affinity_none) { |
4766 | __kmp_set_system_affinity(th->th.th_affin_mask, FALSE)(th->th.th_affin_mask)->set_system_affinity(0); |
4767 | } else |
4768 | #endif |
4769 | __kmp_set_system_affinity(th->th.th_affin_mask, TRUE)(th->th.th_affin_mask)->set_system_affinity((!0)); |
4770 | } |
4771 | |
4772 | #if OMP_40_ENABLED(50 >= 40) |
4773 | |
4774 | void __kmp_affinity_set_place(int gtid) { |
4775 | int retval; |
4776 | |
4777 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4778 | return; |
4779 | } |
4780 | |
4781 | kmp_info_t *th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[gtid])((void *)(__kmp_threads[gtid])); |
4782 | |
4783 | KA_TRACE(100, ("__kmp_affinity_set_place: binding T#%d to place %d (current "if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_place: binding T#%d to place %d (current " "place = %d)\n", gtid, th->th.th_new_place, th->th.th_current_place ); } |
4784 | "place = %d)\n",if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_place: binding T#%d to place %d (current " "place = %d)\n", gtid, th->th.th_new_place, th->th.th_current_place ); } |
4785 | gtid, th->th.th_new_place, th->th.th_current_place))if (kmp_a_debug >= 100) { __kmp_debug_printf ("__kmp_affinity_set_place: binding T#%d to place %d (current " "place = %d)\n", gtid, th->th.th_new_place, th->th.th_current_place ); }; |
4786 | |
4787 | // Check that the new place is within this thread's partition. |
4788 | KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL)((th->th.th_affin_mask != __null) ? 0 : __kmp_debug_assert ("th->th.th_affin_mask != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4788)); |
4789 | KMP_ASSERT(th->th.th_new_place >= 0)((th->th.th_new_place >= 0) ? 0 : __kmp_debug_assert("th->th.th_new_place >= 0" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4789)); |
4790 | KMP_ASSERT((unsigned)th->th.th_new_place <= __kmp_affinity_num_masks)(((unsigned)th->th.th_new_place <= __kmp_affinity_num_masks ) ? 0 : __kmp_debug_assert("(unsigned)th->th.th_new_place <= __kmp_affinity_num_masks" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4790)); |
4791 | if (th->th.th_first_place <= th->th.th_last_place) { |
4792 | KMP_ASSERT((th->th.th_new_place >= th->th.th_first_place) &&(((th->th.th_new_place >= th->th.th_first_place) && (th->th.th_new_place <= th->th.th_last_place)) ? 0 : __kmp_debug_assert("(th->th.th_new_place >= th->th.th_first_place) && (th->th.th_new_place <= th->th.th_last_place)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4793)) |
4793 | (th->th.th_new_place <= th->th.th_last_place))(((th->th.th_new_place >= th->th.th_first_place) && (th->th.th_new_place <= th->th.th_last_place)) ? 0 : __kmp_debug_assert("(th->th.th_new_place >= th->th.th_first_place) && (th->th.th_new_place <= th->th.th_last_place)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4793)); |
4794 | } else { |
4795 | KMP_ASSERT((th->th.th_new_place <= th->th.th_first_place) ||(((th->th.th_new_place <= th->th.th_first_place) || ( th->th.th_new_place >= th->th.th_last_place)) ? 0 : __kmp_debug_assert ("(th->th.th_new_place <= th->th.th_first_place) || (th->th.th_new_place >= th->th.th_last_place)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4796)) |
4796 | (th->th.th_new_place >= th->th.th_last_place))(((th->th.th_new_place <= th->th.th_first_place) || ( th->th.th_new_place >= th->th.th_last_place)) ? 0 : __kmp_debug_assert ("(th->th.th_new_place <= th->th.th_first_place) || (th->th.th_new_place >= th->th.th_last_place)" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4796)); |
4797 | } |
4798 | |
4799 | // Copy the thread mask to the kmp_info_t strucuture, |
4800 | // and set this thread's affinity. |
4801 | kmp_affin_mask_t *mask = |
4802 | KMP_CPU_INDEX(__kmp_affinity_masks, th->th.th_new_place)__kmp_affinity_dispatch->index_mask_array(__kmp_affinity_masks , th->th.th_new_place); |
4803 | KMP_CPU_COPY(th->th.th_affin_mask, mask)(th->th.th_affin_mask)->copy(mask); |
4804 | th->th.th_current_place = th->th.th_new_place; |
4805 | |
4806 | if (__kmp_affinity_verbose) { |
4807 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
4808 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, |
4809 | th->th.th_affin_mask); |
4810 | KMP_INFORM(BoundToOSProcSet, "OMP_PROC_BIND", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "OMP_PROC_BIND", (kmp_int32)getpid(), syscall(186), gtid, buf ), __kmp_msg_null) |
4811 | __kmp_gettid(), gtid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "OMP_PROC_BIND", (kmp_int32)getpid(), syscall(186), gtid, buf ), __kmp_msg_null); |
4812 | } |
4813 | __kmp_set_system_affinity(th->th.th_affin_mask, TRUE)(th->th.th_affin_mask)->set_system_affinity((!0)); |
4814 | } |
4815 | |
4816 | #endif /* OMP_40_ENABLED */ |
4817 | |
4818 | int __kmp_aux_set_affinity(void **mask) { |
4819 | int gtid; |
4820 | kmp_info_t *th; |
4821 | int retval; |
4822 | |
4823 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4824 | return -1; |
4825 | } |
4826 | |
4827 | gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg(); |
4828 | KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4829 | char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4830 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4831 | (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4832 | __kmp_debug_printf(if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4833 | "kmp_set_affinity: setting affinity mask for thread %d = %s\n", gtid,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4834 | buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4835 | })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity: setting affinity mask for thread %d = %s\n" , gtid, buf); }; }; |
4836 | |
4837 | if (__kmp_env_consistency_check) { |
4838 | if ((mask == NULL__null) || (*mask == NULL__null)) { |
4839 | KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_set_affinity"), __kmp_msg_null); |
4840 | } else { |
4841 | unsigned proc; |
4842 | int num_procs = 0; |
4843 | |
4844 | KMP_CPU_SET_ITERATE(proc, ((kmp_affin_mask_t *)(*mask)))for (proc = (((kmp_affin_mask_t *)(*mask)))->begin(); proc != (((kmp_affin_mask_t *)(*mask)))->end(); proc = (((kmp_affin_mask_t *)(*mask)))->next(proc)) { |
4845 | if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) { |
4846 | KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_set_affinity"), __kmp_msg_null); |
4847 | } |
4848 | if (!KMP_CPU_ISSET(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->is_set(proc)) { |
4849 | continue; |
4850 | } |
4851 | num_procs++; |
4852 | } |
4853 | if (num_procs == 0) { |
4854 | KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_set_affinity"), __kmp_msg_null); |
4855 | } |
4856 | |
4857 | #if KMP_GROUP_AFFINITY0 |
4858 | if (__kmp_get_proc_group((kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->get_proc_group() < 0) { |
4859 | KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_set_affinity"), __kmp_msg_null); |
4860 | } |
4861 | #endif /* KMP_GROUP_AFFINITY */ |
4862 | } |
4863 | } |
4864 | |
4865 | th = __kmp_threads[gtid]; |
4866 | KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL)((th->th.th_affin_mask != __null) ? 0 : __kmp_debug_assert ("th->th.th_affin_mask != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4866)); |
4867 | retval = __kmp_set_system_affinity((kmp_affin_mask_t *)(*mask), FALSE)((kmp_affin_mask_t *)(*mask))->set_system_affinity(0); |
4868 | if (retval == 0) { |
4869 | KMP_CPU_COPY(th->th.th_affin_mask, (kmp_affin_mask_t *)(*mask))(th->th.th_affin_mask)->copy((kmp_affin_mask_t *)(*mask )); |
4870 | } |
4871 | |
4872 | #if OMP_40_ENABLED(50 >= 40) |
4873 | th->th.th_current_place = KMP_PLACE_UNDEFINED(-2); |
4874 | th->th.th_new_place = KMP_PLACE_UNDEFINED(-2); |
4875 | th->th.th_first_place = 0; |
4876 | th->th.th_last_place = __kmp_affinity_num_masks - 1; |
4877 | |
4878 | // Turn off 4.0 affinity for the current tread at this parallel level. |
4879 | th->th.th_current_task->td_icvs.proc_bind = proc_bind_false; |
4880 | #endif |
4881 | |
4882 | return retval; |
4883 | } |
4884 | |
4885 | int __kmp_aux_get_affinity(void **mask) { |
4886 | int gtid; |
4887 | int retval; |
4888 | kmp_info_t *th; |
4889 | |
4890 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4891 | return -1; |
4892 | } |
4893 | |
4894 | gtid = __kmp_entry_gtid()__kmp_get_global_thread_id_reg(); |
4895 | th = __kmp_threads[gtid]; |
4896 | KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL)((th->th.th_affin_mask != __null) ? 0 : __kmp_debug_assert ("th->th.th_affin_mask != __null", "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 4896)); |
4897 | |
4898 | KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask ); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4899 | char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask ); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4900 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask ); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4901 | th->th.th_affin_mask);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask ); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4902 | __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask ); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4903 | gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask ); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4904 | })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, th->th.th_affin_mask ); __kmp_printf("kmp_get_affinity: stored affinity mask for thread %d = %s\n" , gtid, buf); }; }; |
4905 | |
4906 | if (__kmp_env_consistency_check) { |
4907 | if ((mask == NULL__null) || (*mask == NULL__null)) { |
4908 | KMP_FATAL(AffinityInvalidMask, "kmp_get_affinity")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_get_affinity"), __kmp_msg_null); |
4909 | } |
4910 | } |
4911 | |
4912 | #if !KMP_OS_WINDOWS0 |
4913 | |
4914 | retval = __kmp_get_system_affinity((kmp_affin_mask_t *)(*mask), FALSE)((kmp_affin_mask_t *)(*mask))->get_system_affinity(0); |
4915 | KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4916 | char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4917 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4918 | (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4919 | __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4920 | gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n" , gtid, buf); }; } |
4921 | })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { char buf [1024]; __kmp_affinity_print_mask(buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_printf("kmp_get_affinity: system affinity mask for thread %d = %s\n" , gtid, buf); }; }; |
4922 | return retval; |
4923 | |
4924 | #else |
4925 | |
4926 | KMP_CPU_COPY((kmp_affin_mask_t *)(*mask), th->th.th_affin_mask)((kmp_affin_mask_t *)(*mask))->copy(th->th.th_affin_mask ); |
4927 | return 0; |
4928 | |
4929 | #endif /* KMP_OS_WINDOWS */ |
4930 | } |
4931 | |
4932 | int __kmp_aux_get_affinity_max_proc() { |
4933 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4934 | return 0; |
4935 | } |
4936 | #if KMP_GROUP_AFFINITY0 |
4937 | if (__kmp_num_proc_groups > 1) { |
4938 | return (int)(__kmp_num_proc_groups * sizeof(DWORD_PTR) * CHAR_BIT8); |
4939 | } |
4940 | #endif |
4941 | return __kmp_xproc; |
4942 | } |
4943 | |
4944 | int __kmp_aux_set_affinity_mask_proc(int proc, void **mask) { |
4945 | int retval; |
4946 | |
4947 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4948 | return -1; |
4949 | } |
4950 | |
4951 | KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4952 | int gtid = __kmp_entry_gtid();if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4953 | char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4954 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4955 | (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4956 | __kmp_debug_printf("kmp_set_affinity_mask_proc: setting proc %d in "if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4957 | "affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4958 | proc, gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4959 | })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_set_affinity_mask_proc: setting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; }; |
4960 | |
4961 | if (__kmp_env_consistency_check) { |
4962 | if ((mask == NULL__null) || (*mask == NULL__null)) { |
4963 | KMP_FATAL(AffinityInvalidMask, "kmp_set_affinity_mask_proc")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_set_affinity_mask_proc"), __kmp_msg_null); |
4964 | } |
4965 | } |
4966 | |
4967 | if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) { |
4968 | return -1; |
4969 | } |
4970 | if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) { |
4971 | return -2; |
4972 | } |
4973 | |
4974 | KMP_CPU_SET(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->set(proc); |
4975 | return 0; |
4976 | } |
4977 | |
4978 | int __kmp_aux_unset_affinity_mask_proc(int proc, void **mask) { |
4979 | int retval; |
4980 | |
4981 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
4982 | return -1; |
4983 | } |
4984 | |
4985 | KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4986 | int gtid = __kmp_entry_gtid();if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4987 | char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4988 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4989 | (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4990 | __kmp_debug_printf("kmp_unset_affinity_mask_proc: unsetting proc %d in "if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4991 | "affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4992 | proc, gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
4993 | })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_unset_affinity_mask_proc: unsetting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; }; |
4994 | |
4995 | if (__kmp_env_consistency_check) { |
4996 | if ((mask == NULL__null) || (*mask == NULL__null)) { |
4997 | KMP_FATAL(AffinityInvalidMask, "kmp_unset_affinity_mask_proc")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_unset_affinity_mask_proc"), __kmp_msg_null); |
4998 | } |
4999 | } |
5000 | |
5001 | if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) { |
5002 | return -1; |
5003 | } |
5004 | if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) { |
5005 | return -2; |
5006 | } |
5007 | |
5008 | KMP_CPU_CLR(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->clear(proc); |
5009 | return 0; |
5010 | } |
5011 | |
5012 | int __kmp_aux_get_affinity_mask_proc(int proc, void **mask) { |
5013 | int retval; |
5014 | |
5015 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0)) { |
5016 | return -1; |
5017 | } |
5018 | |
5019 | KA_TRACE(1000, ; {if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5020 | int gtid = __kmp_entry_gtid();if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5021 | char buf[KMP_AFFIN_MASK_PRINT_LEN];if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5022 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5023 | (kmp_affin_mask_t *)(*mask));if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5024 | __kmp_debug_printf("kmp_get_affinity_mask_proc: getting proc %d in "if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5025 | "affinity mask for thread %d = %s\n",if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5026 | proc, gtid, buf);if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; } |
5027 | })if (kmp_a_debug >= 1000) { __kmp_debug_printf ; { int gtid = __kmp_get_global_thread_id_reg(); char buf[1024]; __kmp_affinity_print_mask (buf, 1024, (kmp_affin_mask_t *)(*mask)); __kmp_debug_printf( "kmp_get_affinity_mask_proc: getting proc %d in " "affinity mask for thread %d = %s\n" , proc, gtid, buf); }; }; |
5028 | |
5029 | if (__kmp_env_consistency_check) { |
5030 | if ((mask == NULL__null) || (*mask == NULL__null)) { |
5031 | KMP_FATAL(AffinityInvalidMask, "kmp_get_affinity_mask_proc")__kmp_fatal(__kmp_msg_format(kmp_i18n_msg_AffinityInvalidMask , "kmp_get_affinity_mask_proc"), __kmp_msg_null); |
5032 | } |
5033 | } |
5034 | |
5035 | if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) { |
5036 | return -1; |
5037 | } |
5038 | if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)(__kmp_affin_fullMask)->is_set(proc)) { |
5039 | return 0; |
5040 | } |
5041 | |
5042 | return KMP_CPU_ISSET(proc, (kmp_affin_mask_t *)(*mask))((kmp_affin_mask_t *)(*mask))->is_set(proc); |
5043 | } |
5044 | |
5045 | // Dynamic affinity settings - Affinity balanced |
5046 | void __kmp_balanced_affinity(int tid, int nthreads) { |
5047 | bool fine_gran = true; |
5048 | |
5049 | switch (__kmp_affinity_gran) { |
5050 | case affinity_gran_fine: |
5051 | case affinity_gran_thread: |
5052 | break; |
5053 | case affinity_gran_core: |
5054 | if (__kmp_nThreadsPerCore > 1) { |
5055 | fine_gran = false; |
5056 | } |
5057 | break; |
5058 | case affinity_gran_package: |
5059 | if (nCoresPerPkg > 1) { |
5060 | fine_gran = false; |
5061 | } |
5062 | break; |
5063 | default: |
5064 | fine_gran = false; |
5065 | } |
5066 | |
5067 | if (__kmp_affinity_uniform_topology()) { |
5068 | int coreID; |
5069 | int threadID; |
5070 | // Number of hyper threads per core in HT machine |
5071 | int __kmp_nth_per_core = __kmp_avail_proc / __kmp_ncores; |
5072 | // Number of cores |
5073 | int ncores = __kmp_ncores; |
5074 | if ((nPackages > 1) && (__kmp_nth_per_core <= 1)) { |
5075 | __kmp_nth_per_core = __kmp_avail_proc / nPackages; |
5076 | ncores = nPackages; |
5077 | } |
5078 | // How many threads will be bound to each core |
5079 | int chunk = nthreads / ncores; |
5080 | // How many cores will have an additional thread bound to it - "big cores" |
5081 | int big_cores = nthreads % ncores; |
5082 | // Number of threads on the big cores |
5083 | int big_nth = (chunk + 1) * big_cores; |
5084 | if (tid < big_nth) { |
5085 | coreID = tid / (chunk + 1); |
5086 | threadID = (tid % (chunk + 1)) % __kmp_nth_per_core; |
5087 | } else { // tid >= big_nth |
5088 | coreID = (tid - big_cores) / chunk; |
5089 | threadID = ((tid - big_cores) % chunk) % __kmp_nth_per_core; |
5090 | } |
5091 | |
5092 | KMP_DEBUG_ASSERT2(KMP_AFFINITY_CAPABLE(),(((__kmp_affin_mask_size > 0)) ? 0 : __kmp_debug_assert(("Illegal set affinity operation when not capable" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 5093)) |
5093 | "Illegal set affinity operation when not capable")(((__kmp_affin_mask_size > 0)) ? 0 : __kmp_debug_assert(("Illegal set affinity operation when not capable" ), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 5093)); |
5094 | |
5095 | kmp_affin_mask_t *mask; |
5096 | KMP_CPU_ALLOC_ON_STACK(mask)(mask = __kmp_affinity_dispatch->allocate_mask()); |
5097 | KMP_CPU_ZERO(mask)(mask)->zero(); |
5098 | |
5099 | if (fine_gran) { |
5100 | int osID = address2os[coreID * __kmp_nth_per_core + threadID].second; |
5101 | KMP_CPU_SET(osID, mask)(mask)->set(osID); |
5102 | } else { |
5103 | for (int i = 0; i < __kmp_nth_per_core; i++) { |
5104 | int osID; |
5105 | osID = address2os[coreID * __kmp_nth_per_core + i].second; |
5106 | KMP_CPU_SET(osID, mask)(mask)->set(osID); |
5107 | } |
5108 | } |
5109 | if (__kmp_affinity_verbose) { |
5110 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
5111 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, mask); |
5112 | KMP_INFORM(BoundToOSProcSet, "KMP_AFFINITY", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf ), __kmp_msg_null) |
5113 | __kmp_gettid(), tid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf ), __kmp_msg_null); |
5114 | } |
5115 | __kmp_set_system_affinity(mask, TRUE)(mask)->set_system_affinity((!0)); |
5116 | KMP_CPU_FREE_FROM_STACK(mask)__kmp_affinity_dispatch->deallocate_mask(mask); |
5117 | } else { // Non-uniform topology |
5118 | |
5119 | kmp_affin_mask_t *mask; |
5120 | KMP_CPU_ALLOC_ON_STACK(mask)(mask = __kmp_affinity_dispatch->allocate_mask()); |
5121 | KMP_CPU_ZERO(mask)(mask)->zero(); |
5122 | |
5123 | int core_level = __kmp_affinity_find_core_level( |
5124 | address2os, __kmp_avail_proc, __kmp_aff_depth - 1); |
5125 | int ncores = __kmp_affinity_compute_ncores(address2os, __kmp_avail_proc, |
5126 | __kmp_aff_depth - 1, core_level); |
5127 | int nth_per_core = __kmp_affinity_max_proc_per_core( |
5128 | address2os, __kmp_avail_proc, __kmp_aff_depth - 1, core_level); |
5129 | |
5130 | // For performance gain consider the special case nthreads == |
5131 | // __kmp_avail_proc |
5132 | if (nthreads == __kmp_avail_proc) { |
5133 | if (fine_gran) { |
5134 | int osID = address2os[tid].second; |
5135 | KMP_CPU_SET(osID, mask)(mask)->set(osID); |
5136 | } else { |
5137 | int core = __kmp_affinity_find_core(address2os, tid, |
5138 | __kmp_aff_depth - 1, core_level); |
5139 | for (int i = 0; i < __kmp_avail_proc; i++) { |
5140 | int osID = address2os[i].second; |
5141 | if (__kmp_affinity_find_core(address2os, i, __kmp_aff_depth - 1, |
5142 | core_level) == core) { |
5143 | KMP_CPU_SET(osID, mask)(mask)->set(osID); |
5144 | } |
5145 | } |
5146 | } |
5147 | } else if (nthreads <= ncores) { |
5148 | |
5149 | int core = 0; |
5150 | for (int i = 0; i < ncores; i++) { |
5151 | // Check if this core from procarr[] is in the mask |
5152 | int in_mask = 0; |
5153 | for (int j = 0; j < nth_per_core; j++) { |
5154 | if (procarr[i * nth_per_core + j] != -1) { |
5155 | in_mask = 1; |
5156 | break; |
5157 | } |
5158 | } |
5159 | if (in_mask) { |
5160 | if (tid == core) { |
5161 | for (int j = 0; j < nth_per_core; j++) { |
5162 | int osID = procarr[i * nth_per_core + j]; |
5163 | if (osID != -1) { |
5164 | KMP_CPU_SET(osID, mask)(mask)->set(osID); |
5165 | // For fine granularity it is enough to set the first available |
5166 | // osID for this core |
5167 | if (fine_gran) { |
5168 | break; |
5169 | } |
5170 | } |
5171 | } |
5172 | break; |
5173 | } else { |
5174 | core++; |
5175 | } |
5176 | } |
5177 | } |
5178 | } else { // nthreads > ncores |
5179 | // Array to save the number of processors at each core |
5180 | int *nproc_at_core = (int *)KMP_ALLOCA(sizeof(int) * ncores)__builtin_alloca (sizeof(int) * ncores); |
5181 | // Array to save the number of cores with "x" available processors; |
5182 | int *ncores_with_x_procs = |
5183 | (int *)KMP_ALLOCA(sizeof(int) * (nth_per_core + 1))__builtin_alloca (sizeof(int) * (nth_per_core + 1)); |
5184 | // Array to save the number of cores with # procs from x to nth_per_core |
5185 | int *ncores_with_x_to_max_procs = |
5186 | (int *)KMP_ALLOCA(sizeof(int) * (nth_per_core + 1))__builtin_alloca (sizeof(int) * (nth_per_core + 1)); |
5187 | |
5188 | for (int i = 0; i <= nth_per_core; i++) { |
5189 | ncores_with_x_procs[i] = 0; |
5190 | ncores_with_x_to_max_procs[i] = 0; |
5191 | } |
5192 | |
5193 | for (int i = 0; i < ncores; i++) { |
5194 | int cnt = 0; |
5195 | for (int j = 0; j < nth_per_core; j++) { |
5196 | if (procarr[i * nth_per_core + j] != -1) { |
5197 | cnt++; |
5198 | } |
5199 | } |
5200 | nproc_at_core[i] = cnt; |
5201 | ncores_with_x_procs[cnt]++; |
5202 | } |
5203 | |
5204 | for (int i = 0; i <= nth_per_core; i++) { |
5205 | for (int j = i; j <= nth_per_core; j++) { |
5206 | ncores_with_x_to_max_procs[i] += ncores_with_x_procs[j]; |
5207 | } |
5208 | } |
5209 | |
5210 | // Max number of processors |
5211 | int nproc = nth_per_core * ncores; |
5212 | // An array to keep number of threads per each context |
5213 | int *newarr = (int *)__kmp_allocate(sizeof(int) * nproc)___kmp_allocate((sizeof(int) * nproc), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 5213); |
5214 | for (int i = 0; i < nproc; i++) { |
5215 | newarr[i] = 0; |
5216 | } |
5217 | |
5218 | int nth = nthreads; |
5219 | int flag = 0; |
5220 | while (nth > 0) { |
5221 | for (int j = 1; j <= nth_per_core; j++) { |
5222 | int cnt = ncores_with_x_to_max_procs[j]; |
5223 | for (int i = 0; i < ncores; i++) { |
5224 | // Skip the core with 0 processors |
5225 | if (nproc_at_core[i] == 0) { |
5226 | continue; |
5227 | } |
5228 | for (int k = 0; k < nth_per_core; k++) { |
5229 | if (procarr[i * nth_per_core + k] != -1) { |
5230 | if (newarr[i * nth_per_core + k] == 0) { |
5231 | newarr[i * nth_per_core + k] = 1; |
5232 | cnt--; |
5233 | nth--; |
5234 | break; |
5235 | } else { |
5236 | if (flag != 0) { |
5237 | newarr[i * nth_per_core + k]++; |
5238 | cnt--; |
5239 | nth--; |
5240 | break; |
5241 | } |
5242 | } |
5243 | } |
5244 | } |
5245 | if (cnt == 0 || nth == 0) { |
5246 | break; |
5247 | } |
5248 | } |
5249 | if (nth == 0) { |
5250 | break; |
5251 | } |
5252 | } |
5253 | flag = 1; |
5254 | } |
5255 | int sum = 0; |
5256 | for (int i = 0; i < nproc; i++) { |
5257 | sum += newarr[i]; |
5258 | if (sum > tid) { |
5259 | if (fine_gran) { |
5260 | int osID = procarr[i]; |
5261 | KMP_CPU_SET(osID, mask)(mask)->set(osID); |
5262 | } else { |
5263 | int coreID = i / nth_per_core; |
5264 | for (int ii = 0; ii < nth_per_core; ii++) { |
5265 | int osID = procarr[coreID * nth_per_core + ii]; |
5266 | if (osID != -1) { |
5267 | KMP_CPU_SET(osID, mask)(mask)->set(osID); |
5268 | } |
5269 | } |
5270 | } |
5271 | break; |
5272 | } |
5273 | } |
5274 | __kmp_free(newarr)___kmp_free((newarr), "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 5274); |
5275 | } |
5276 | |
5277 | if (__kmp_affinity_verbose) { |
5278 | char buf[KMP_AFFIN_MASK_PRINT_LEN1024]; |
5279 | __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN1024, mask); |
5280 | KMP_INFORM(BoundToOSProcSet, "KMP_AFFINITY", (kmp_int32)getpid(),__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf ), __kmp_msg_null) |
5281 | __kmp_gettid(), tid, buf)__kmp_msg(kmp_ms_inform, __kmp_msg_format(kmp_i18n_msg_BoundToOSProcSet , "KMP_AFFINITY", (kmp_int32)getpid(), syscall(186), tid, buf ), __kmp_msg_null); |
5282 | } |
5283 | __kmp_set_system_affinity(mask, TRUE)(mask)->set_system_affinity((!0)); |
5284 | KMP_CPU_FREE_FROM_STACK(mask)__kmp_affinity_dispatch->deallocate_mask(mask); |
5285 | } |
5286 | } |
5287 | |
5288 | #if KMP_OS_LINUX1 |
5289 | // We don't need this entry for Windows because |
5290 | // there is GetProcessAffinityMask() api |
5291 | // |
5292 | // The intended usage is indicated by these steps: |
5293 | // 1) The user gets the current affinity mask |
5294 | // 2) Then sets the affinity by calling this function |
5295 | // 3) Error check the return value |
5296 | // 4) Use non-OpenMP parallelization |
5297 | // 5) Reset the affinity to what was stored in step 1) |
5298 | #ifdef __cplusplus201103L |
5299 | extern "C" |
5300 | #endif |
5301 | int |
5302 | kmp_set_thread_affinity_mask_initial() |
5303 | // the function returns 0 on success, |
5304 | // -1 if we cannot bind thread |
5305 | // >0 (errno) if an error happened during binding |
5306 | { |
5307 | int gtid = __kmp_get_gtid()__kmp_get_global_thread_id(); |
5308 | if (gtid < 0) { |
5309 | // Do not touch non-omp threads |
5310 | KA_TRACE(30, ("kmp_set_thread_affinity_mask_initial: "if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: " "non-omp thread, returning\n"); } |
5311 | "non-omp thread, returning\n"))if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: " "non-omp thread, returning\n"); }; |
5312 | return -1; |
5313 | } |
5314 | if (!KMP_AFFINITY_CAPABLE()(__kmp_affin_mask_size > 0) || !__kmp_init_middle) { |
5315 | KA_TRACE(30, ("kmp_set_thread_affinity_mask_initial: "if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: " "affinity not initialized, returning\n"); } |
5316 | "affinity not initialized, returning\n"))if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: " "affinity not initialized, returning\n"); }; |
5317 | return -1; |
5318 | } |
5319 | KA_TRACE(30, ("kmp_set_thread_affinity_mask_initial: "if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: " "set full mask for thread %d\n", gtid); } |
5320 | "set full mask for thread %d\n",if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: " "set full mask for thread %d\n", gtid); } |
5321 | gtid))if (kmp_a_debug >= 30) { __kmp_debug_printf ("kmp_set_thread_affinity_mask_initial: " "set full mask for thread %d\n", gtid); }; |
5322 | KMP_DEBUG_ASSERT(__kmp_affin_fullMask != NULL)((__kmp_affin_fullMask != __null) ? 0 : __kmp_debug_assert("__kmp_affin_fullMask != __null" , "/build/llvm-toolchain-snapshot-7~svn338205/projects/openmp/runtime/src/kmp_affinity.cpp" , 5322)); |
5323 | return __kmp_set_system_affinity(__kmp_affin_fullMask, FALSE)(__kmp_affin_fullMask)->set_system_affinity(0); |
5324 | } |
5325 | #endif |
5326 | |
5327 | #endif // KMP_AFFINITY_SUPPORTED |