14#include "kmp_affinity.h"
18#include "kmp_wrapper_getpid.h"
20#include "kmp_dispatch_hier.h"
24#define HWLOC_GROUP_KIND_INTEL_MODULE 102
25#define HWLOC_GROUP_KIND_INTEL_TILE 103
26#define HWLOC_GROUP_KIND_INTEL_DIE 104
27#define HWLOC_GROUP_KIND_WINDOWS_PROCESSOR_GROUP 220
32kmp_topology_t *__kmp_topology =
nullptr;
34kmp_hw_subset_t *__kmp_hw_subset =
nullptr;
37static hierarchy_info machine_hierarchy;
39void __kmp_cleanup_hierarchy() { machine_hierarchy.fini(); }
41#if KMP_AFFINITY_SUPPORTED
43class kmp_full_mask_modifier_t {
44 kmp_affin_mask_t *mask;
47 kmp_full_mask_modifier_t() {
51 ~kmp_full_mask_modifier_t() {
55 void include(
const kmp_affin_mask_t *other) { KMP_CPU_UNION(mask, other); }
58 bool restrict_to_mask() {
60 if (KMP_CPU_EQUAL(__kmp_affin_fullMask, mask) || KMP_CPU_ISEMPTY(mask))
62 return __kmp_topology->restrict_to_mask(mask);
66static inline const char *
67__kmp_get_affinity_env_var(
const kmp_affinity_t &affinity,
68 bool for_binding =
false) {
69 if (affinity.flags.omp_places) {
71 return "OMP_PROC_BIND";
74 return affinity.env_var;
78void __kmp_get_hierarchy(kmp_uint32 nproc, kmp_bstate_t *thr_bar) {
82 if (TCR_1(machine_hierarchy.uninitialized))
83 machine_hierarchy.init(nproc);
86 if (nproc > machine_hierarchy.base_num_threads)
87 machine_hierarchy.resize(nproc);
89 depth = machine_hierarchy.depth;
90 KMP_DEBUG_ASSERT(depth > 0);
92 thr_bar->depth = depth;
93 __kmp_type_convert(machine_hierarchy.numPerLevel[0] - 1,
94 &(thr_bar->base_leaf_kids));
95 thr_bar->skip_per_level = machine_hierarchy.skipPerLevel;
98static int nCoresPerPkg, nPackages;
99static int __kmp_nThreadsPerCore;
100#ifndef KMP_DFLT_NTH_CORES
101static int __kmp_ncores;
104const char *__kmp_hw_get_catalog_string(kmp_hw_t type,
bool plural) {
107 return ((plural) ? KMP_I18N_STR(Sockets) : KMP_I18N_STR(Socket));
109 return ((plural) ? KMP_I18N_STR(Dice) : KMP_I18N_STR(Die));
111 return ((plural) ? KMP_I18N_STR(Modules) : KMP_I18N_STR(Module));
113 return ((plural) ? KMP_I18N_STR(Tiles) : KMP_I18N_STR(Tile));
115 return ((plural) ? KMP_I18N_STR(NumaDomains) : KMP_I18N_STR(NumaDomain));
117 return ((plural) ? KMP_I18N_STR(L3Caches) : KMP_I18N_STR(L3Cache));
119 return ((plural) ? KMP_I18N_STR(L2Caches) : KMP_I18N_STR(L2Cache));
121 return ((plural) ? KMP_I18N_STR(L1Caches) : KMP_I18N_STR(L1Cache));
123 return ((plural) ? KMP_I18N_STR(LLCaches) : KMP_I18N_STR(LLCache));
125 return ((plural) ? KMP_I18N_STR(Cores) : KMP_I18N_STR(Core));
127 return ((plural) ? KMP_I18N_STR(Threads) : KMP_I18N_STR(Thread));
128 case KMP_HW_PROC_GROUP:
129 return ((plural) ? KMP_I18N_STR(ProcGroups) : KMP_I18N_STR(ProcGroup));
131 return KMP_I18N_STR(Unknown);
134const char *__kmp_hw_get_keyword(kmp_hw_t type,
bool plural) {
137 return ((plural) ?
"sockets" :
"socket");
139 return ((plural) ?
"dice" :
"die");
141 return ((plural) ?
"modules" :
"module");
143 return ((plural) ?
"tiles" :
"tile");
145 return ((plural) ?
"numa_domains" :
"numa_domain");
147 return ((plural) ?
"l3_caches" :
"l3_cache");
149 return ((plural) ?
"l2_caches" :
"l2_cache");
151 return ((plural) ?
"l1_caches" :
"l1_cache");
153 return ((plural) ?
"ll_caches" :
"ll_cache");
155 return ((plural) ?
"cores" :
"core");
157 return ((plural) ?
"threads" :
"thread");
158 case KMP_HW_PROC_GROUP:
159 return ((plural) ?
"proc_groups" :
"proc_group");
161 return ((plural) ?
"unknowns" :
"unknown");
164const char *__kmp_hw_get_core_type_string(kmp_hw_core_type_t type) {
166 case KMP_HW_CORE_TYPE_UNKNOWN:
168#if KMP_ARCH_X86 || KMP_ARCH_X86_64
169 case KMP_HW_CORE_TYPE_ATOM:
170 return "Intel Atom(R) processor";
171 case KMP_HW_CORE_TYPE_CORE:
172 return "Intel(R) Core(TM) processor";
178#if KMP_AFFINITY_SUPPORTED
181#define KMP_AFF_WARNING(s, ...) \
182 if (s.flags.verbose || (s.flags.warnings && (s.type != affinity_none))) { \
183 KMP_WARNING(__VA_ARGS__); \
186#define KMP_AFF_WARNING(s, ...) KMP_WARNING(__VA_ARGS__)
191int kmp_hw_thread_t::compare_ids(
const void *a,
const void *b) {
192 const kmp_hw_thread_t *ahwthread = (
const kmp_hw_thread_t *)a;
193 const kmp_hw_thread_t *bhwthread = (
const kmp_hw_thread_t *)b;
194 int depth = __kmp_topology->get_depth();
195 for (
int level = 0; level < depth; ++level) {
196 if (ahwthread->ids[level] < bhwthread->ids[level])
198 else if (ahwthread->ids[level] > bhwthread->ids[level])
201 if (ahwthread->os_id < bhwthread->os_id)
203 else if (ahwthread->os_id > bhwthread->os_id)
208#if KMP_AFFINITY_SUPPORTED
209int kmp_hw_thread_t::compare_compact(
const void *a,
const void *b) {
211 const kmp_hw_thread_t *aa = (
const kmp_hw_thread_t *)a;
212 const kmp_hw_thread_t *bb = (
const kmp_hw_thread_t *)b;
213 int depth = __kmp_topology->get_depth();
214 int compact = __kmp_topology->compact;
215 KMP_DEBUG_ASSERT(compact >= 0);
216 KMP_DEBUG_ASSERT(compact <= depth);
217 for (i = 0; i < compact; i++) {
218 int j = depth - i - 1;
219 if (aa->sub_ids[j] < bb->sub_ids[j])
221 if (aa->sub_ids[j] > bb->sub_ids[j])
224 for (; i < depth; i++) {
226 if (aa->sub_ids[j] < bb->sub_ids[j])
228 if (aa->sub_ids[j] > bb->sub_ids[j])
235void kmp_hw_thread_t::print()
const {
236 int depth = __kmp_topology->get_depth();
237 printf(
"%4d ", os_id);
238 for (
int i = 0; i < depth; ++i) {
239 printf(
"%4d ", ids[i]);
242 if (attrs.is_core_type_valid())
243 printf(
" (%s)", __kmp_hw_get_core_type_string(attrs.get_core_type()));
244 if (attrs.is_core_eff_valid())
245 printf(
" (eff=%d)", attrs.get_core_eff());
257void kmp_topology_t::_insert_layer(kmp_hw_t type,
const int *ids) {
261 int previous_id = kmp_hw_thread_t::UNKNOWN_ID;
262 int previous_new_id = kmp_hw_thread_t::UNKNOWN_ID;
266 for (target_layer = 0; target_layer < depth; ++target_layer) {
267 bool layers_equal =
true;
268 bool strictly_above_target_layer =
false;
269 for (
int i = 0; i < num_hw_threads; ++i) {
270 int id = hw_threads[i].ids[target_layer];
272 if (
id != previous_id && new_id == previous_new_id) {
274 strictly_above_target_layer =
true;
275 layers_equal =
false;
277 }
else if (
id == previous_id && new_id != previous_new_id) {
279 layers_equal =
false;
283 previous_new_id = new_id;
285 if (strictly_above_target_layer || layers_equal)
291 for (
int i = depth - 1, j = depth; i >= target_layer; --i, --j)
293 types[target_layer] = type;
294 for (
int k = 0; k < num_hw_threads; ++k) {
295 for (
int i = depth - 1, j = depth; i >= target_layer; --i, --j)
296 hw_threads[k].ids[j] = hw_threads[k].ids[i];
297 hw_threads[k].ids[target_layer] = ids[k];
299 equivalent[type] = type;
303#if KMP_GROUP_AFFINITY
305void kmp_topology_t::_insert_windows_proc_groups() {
307 if (__kmp_num_proc_groups == 1)
309 kmp_affin_mask_t *mask;
310 int *ids = (
int *)__kmp_allocate(
sizeof(
int) * num_hw_threads);
312 for (
int i = 0; i < num_hw_threads; ++i) {
314 KMP_CPU_SET(hw_threads[i].os_id, mask);
315 ids[i] = __kmp_get_proc_group(mask);
318 _insert_layer(KMP_HW_PROC_GROUP, ids);
325void kmp_topology_t::_remove_radix1_layers() {
326 int preference[KMP_HW_LAST];
327 int top_index1, top_index2;
329 preference[KMP_HW_SOCKET] = 110;
330 preference[KMP_HW_PROC_GROUP] = 100;
331 preference[KMP_HW_CORE] = 95;
332 preference[KMP_HW_THREAD] = 90;
333 preference[KMP_HW_NUMA] = 85;
334 preference[KMP_HW_DIE] = 80;
335 preference[KMP_HW_TILE] = 75;
336 preference[KMP_HW_MODULE] = 73;
337 preference[KMP_HW_L3] = 70;
338 preference[KMP_HW_L2] = 65;
339 preference[KMP_HW_L1] = 60;
340 preference[KMP_HW_LLC] = 5;
343 while (top_index1 < depth - 1 && top_index2 < depth) {
344 kmp_hw_t type1 = types[top_index1];
345 kmp_hw_t type2 = types[top_index2];
346 KMP_ASSERT_VALID_HW_TYPE(type1);
347 KMP_ASSERT_VALID_HW_TYPE(type2);
350 if ((type1 == KMP_HW_THREAD || type1 == KMP_HW_CORE ||
351 type1 == KMP_HW_SOCKET) &&
352 (type2 == KMP_HW_THREAD || type2 == KMP_HW_CORE ||
353 type2 == KMP_HW_SOCKET)) {
354 top_index1 = top_index2++;
358 bool all_same =
true;
359 int id1 = hw_threads[0].ids[top_index1];
360 int id2 = hw_threads[0].ids[top_index2];
361 int pref1 = preference[type1];
362 int pref2 = preference[type2];
363 for (
int hwidx = 1; hwidx < num_hw_threads; ++hwidx) {
364 if (hw_threads[hwidx].ids[top_index1] == id1 &&
365 hw_threads[hwidx].ids[top_index2] != id2) {
369 if (hw_threads[hwidx].ids[top_index2] != id2)
371 id1 = hw_threads[hwidx].ids[top_index1];
372 id2 = hw_threads[hwidx].ids[top_index2];
376 kmp_hw_t remove_type, keep_type;
377 int remove_layer, remove_layer_ids;
380 remove_layer = remove_layer_ids = top_index2;
384 remove_layer = remove_layer_ids = top_index1;
390 remove_layer_ids = top_index2;
393 set_equivalent_type(remove_type, keep_type);
394 for (
int idx = 0; idx < num_hw_threads; ++idx) {
395 kmp_hw_thread_t &hw_thread = hw_threads[idx];
396 for (
int d = remove_layer_ids; d < depth - 1; ++d)
397 hw_thread.ids[d] = hw_thread.ids[d + 1];
399 for (
int idx = remove_layer; idx < depth - 1; ++idx)
400 types[idx] = types[idx + 1];
403 top_index1 = top_index2++;
406 KMP_ASSERT(depth > 0);
409void kmp_topology_t::_set_last_level_cache() {
410 if (get_equivalent_type(KMP_HW_L3) != KMP_HW_UNKNOWN)
411 set_equivalent_type(KMP_HW_LLC, KMP_HW_L3);
412 else if (get_equivalent_type(KMP_HW_L2) != KMP_HW_UNKNOWN)
413 set_equivalent_type(KMP_HW_LLC, KMP_HW_L2);
415 else if (__kmp_mic_type == mic3) {
416 if (get_equivalent_type(KMP_HW_L2) != KMP_HW_UNKNOWN)
417 set_equivalent_type(KMP_HW_LLC, KMP_HW_L2);
418 else if (get_equivalent_type(KMP_HW_TILE) != KMP_HW_UNKNOWN)
419 set_equivalent_type(KMP_HW_LLC, KMP_HW_TILE);
422 set_equivalent_type(KMP_HW_LLC, KMP_HW_L1);
425 else if (get_equivalent_type(KMP_HW_L1) != KMP_HW_UNKNOWN)
426 set_equivalent_type(KMP_HW_LLC, KMP_HW_L1);
428 if (get_equivalent_type(KMP_HW_LLC) == KMP_HW_UNKNOWN) {
429 if (get_equivalent_type(KMP_HW_SOCKET) != KMP_HW_UNKNOWN)
430 set_equivalent_type(KMP_HW_LLC, KMP_HW_SOCKET);
431 else if (get_equivalent_type(KMP_HW_CORE) != KMP_HW_UNKNOWN)
432 set_equivalent_type(KMP_HW_LLC, KMP_HW_CORE);
434 KMP_ASSERT(get_equivalent_type(KMP_HW_LLC) != KMP_HW_UNKNOWN);
438void kmp_topology_t::_gather_enumeration_information() {
439 int previous_id[KMP_HW_LAST];
440 int max[KMP_HW_LAST];
442 for (
int i = 0; i < depth; ++i) {
443 previous_id[i] = kmp_hw_thread_t::UNKNOWN_ID;
448 int core_level = get_level(KMP_HW_CORE);
449 for (
int i = 0; i < num_hw_threads; ++i) {
450 kmp_hw_thread_t &hw_thread = hw_threads[i];
451 for (
int layer = 0; layer < depth; ++layer) {
452 int id = hw_thread.ids[layer];
453 if (
id != previous_id[layer]) {
455 for (
int l = layer; l < depth; ++l)
459 for (
int l = layer + 1; l < depth; ++l) {
460 if (max[l] > ratio[l])
466 if (__kmp_is_hybrid_cpu() && core_level >= 0 && layer <= core_level) {
467 if (hw_thread.attrs.is_core_eff_valid() &&
468 hw_thread.attrs.core_eff >= num_core_efficiencies) {
471 num_core_efficiencies = hw_thread.attrs.core_eff + 1;
473 if (hw_thread.attrs.is_core_type_valid()) {
475 for (
int j = 0; j < num_core_types; ++j) {
476 if (hw_thread.attrs.get_core_type() == core_types[j]) {
482 KMP_ASSERT(num_core_types < KMP_HW_MAX_NUM_CORE_TYPES);
483 core_types[num_core_types++] = hw_thread.attrs.get_core_type();
490 for (
int layer = 0; layer < depth; ++layer) {
491 previous_id[layer] = hw_thread.ids[layer];
494 for (
int layer = 0; layer < depth; ++layer) {
495 if (max[layer] > ratio[layer])
496 ratio[layer] = max[layer];
500int kmp_topology_t::_get_ncores_with_attr(
const kmp_hw_attr_t &attr,
502 bool find_all)
const {
503 int current, current_max;
504 int previous_id[KMP_HW_LAST];
505 for (
int i = 0; i < depth; ++i)
506 previous_id[i] = kmp_hw_thread_t::UNKNOWN_ID;
507 int core_level = get_level(KMP_HW_CORE);
510 KMP_ASSERT(above_level < core_level);
513 for (
int i = 0; i < num_hw_threads; ++i) {
514 kmp_hw_thread_t &hw_thread = hw_threads[i];
515 if (!find_all && hw_thread.ids[above_level] != previous_id[above_level]) {
516 if (current > current_max)
517 current_max = current;
518 current = hw_thread.attrs.contains(attr);
520 for (
int level = above_level + 1; level <= core_level; ++level) {
521 if (hw_thread.ids[level] != previous_id[level]) {
522 if (hw_thread.attrs.contains(attr))
528 for (
int level = 0; level < depth; ++level)
529 previous_id[level] = hw_thread.ids[level];
531 if (current > current_max)
532 current_max = current;
537void kmp_topology_t::_discover_uniformity() {
539 for (
int level = 0; level < depth; ++level)
541 flags.uniform = (num == count[depth - 1]);
545void kmp_topology_t::_set_sub_ids() {
546 int previous_id[KMP_HW_LAST];
547 int sub_id[KMP_HW_LAST];
549 for (
int i = 0; i < depth; ++i) {
553 for (
int i = 0; i < num_hw_threads; ++i) {
554 kmp_hw_thread_t &hw_thread = hw_threads[i];
556 for (
int j = 0; j < depth; ++j) {
557 if (hw_thread.ids[j] != previous_id[j]) {
559 for (
int k = j + 1; k < depth; ++k) {
566 for (
int j = 0; j < depth; ++j) {
567 previous_id[j] = hw_thread.ids[j];
570 for (
int j = 0; j < depth; ++j) {
571 hw_thread.sub_ids[j] = sub_id[j];
576void kmp_topology_t::_set_globals() {
578 int core_level, thread_level, package_level;
579 package_level = get_level(KMP_HW_SOCKET);
580#if KMP_GROUP_AFFINITY
581 if (package_level == -1)
582 package_level = get_level(KMP_HW_PROC_GROUP);
584 core_level = get_level(KMP_HW_CORE);
585 thread_level = get_level(KMP_HW_THREAD);
587 KMP_ASSERT(core_level != -1);
588 KMP_ASSERT(thread_level != -1);
590 __kmp_nThreadsPerCore = calculate_ratio(thread_level, core_level);
591 if (package_level != -1) {
592 nCoresPerPkg = calculate_ratio(core_level, package_level);
593 nPackages = get_count(package_level);
596 nCoresPerPkg = get_count(core_level);
599#ifndef KMP_DFLT_NTH_CORES
600 __kmp_ncores = get_count(core_level);
604kmp_topology_t *kmp_topology_t::allocate(
int nproc,
int ndepth,
605 const kmp_hw_t *types) {
606 kmp_topology_t *retval;
608 size_t size =
sizeof(kmp_topology_t) +
sizeof(kmp_hw_thread_t) * nproc +
609 sizeof(int) * (
size_t)KMP_HW_LAST * 3;
610 char *bytes = (
char *)__kmp_allocate(size);
611 retval = (kmp_topology_t *)bytes;
613 retval->hw_threads = (kmp_hw_thread_t *)(bytes +
sizeof(kmp_topology_t));
615 retval->hw_threads =
nullptr;
617 retval->num_hw_threads = nproc;
618 retval->depth = ndepth;
620 (
int *)(bytes +
sizeof(kmp_topology_t) +
sizeof(kmp_hw_thread_t) * nproc);
621 retval->types = (kmp_hw_t *)arr;
622 retval->ratio = arr + (size_t)KMP_HW_LAST;
623 retval->count = arr + 2 * (size_t)KMP_HW_LAST;
624 retval->num_core_efficiencies = 0;
625 retval->num_core_types = 0;
627 for (
int i = 0; i < KMP_HW_MAX_NUM_CORE_TYPES; ++i)
628 retval->core_types[i] = KMP_HW_CORE_TYPE_UNKNOWN;
629 KMP_FOREACH_HW_TYPE(type) { retval->equivalent[type] = KMP_HW_UNKNOWN; }
630 for (
int i = 0; i < ndepth; ++i) {
631 retval->types[i] = types[i];
632 retval->equivalent[types[i]] = types[i];
637void kmp_topology_t::deallocate(kmp_topology_t *topology) {
639 __kmp_free(topology);
642bool kmp_topology_t::check_ids()
const {
644 if (num_hw_threads == 0)
646 for (
int i = 1; i < num_hw_threads; ++i) {
647 kmp_hw_thread_t ¤t_thread = hw_threads[i];
648 kmp_hw_thread_t &previous_thread = hw_threads[i - 1];
650 for (
int j = 0; j < depth; ++j) {
651 if (previous_thread.ids[j] != current_thread.ids[j]) {
663void kmp_topology_t::dump()
const {
664 printf(
"***********************\n");
665 printf(
"*** __kmp_topology: ***\n");
666 printf(
"***********************\n");
667 printf(
"* depth: %d\n", depth);
670 for (
int i = 0; i < depth; ++i)
671 printf(
"%15s ", __kmp_hw_get_keyword(types[i]));
675 for (
int i = 0; i < depth; ++i) {
676 printf(
"%15d ", ratio[i]);
681 for (
int i = 0; i < depth; ++i) {
682 printf(
"%15d ", count[i]);
686 printf(
"* num_core_eff: %d\n", num_core_efficiencies);
687 printf(
"* num_core_types: %d\n", num_core_types);
688 printf(
"* core_types: ");
689 for (
int i = 0; i < num_core_types; ++i)
690 printf(
"%3d ", core_types[i]);
693 printf(
"* equivalent map:\n");
694 KMP_FOREACH_HW_TYPE(i) {
695 const char *key = __kmp_hw_get_keyword(i);
696 const char *value = __kmp_hw_get_keyword(equivalent[i]);
697 printf(
"%-15s -> %-15s\n", key, value);
700 printf(
"* uniform: %s\n", (is_uniform() ?
"Yes" :
"No"));
702 printf(
"* num_hw_threads: %d\n", num_hw_threads);
703 printf(
"* hw_threads:\n");
704 for (
int i = 0; i < num_hw_threads; ++i) {
705 hw_threads[i].print();
707 printf(
"***********************\n");
710void kmp_topology_t::print(
const char *env_var)
const {
712 int print_types_depth;
713 __kmp_str_buf_init(&buf);
714 kmp_hw_t print_types[KMP_HW_LAST + 2];
717 if (num_hw_threads) {
718 KMP_INFORM(AvailableOSProc, env_var, num_hw_threads);
720 KMP_INFORM(AvailableOSProc, env_var, __kmp_xproc);
725 KMP_INFORM(Uniform, env_var);
727 KMP_INFORM(NonUniform, env_var);
731 KMP_FOREACH_HW_TYPE(type) {
732 kmp_hw_t eq_type = equivalent[type];
733 if (eq_type != KMP_HW_UNKNOWN && eq_type != type) {
734 KMP_INFORM(AffEqualTopologyTypes, env_var,
735 __kmp_hw_get_catalog_string(type),
736 __kmp_hw_get_catalog_string(eq_type));
741 KMP_ASSERT(depth > 0 && depth <= (
int)KMP_HW_LAST);
744 print_types_depth = 0;
745 for (
int level = 0; level < depth; ++level)
746 print_types[print_types_depth++] = types[level];
747 if (equivalent[KMP_HW_CORE] != KMP_HW_CORE) {
749 if (print_types[print_types_depth - 1] == KMP_HW_THREAD) {
752 print_types[print_types_depth - 1] = KMP_HW_CORE;
753 print_types[print_types_depth++] = KMP_HW_THREAD;
755 print_types[print_types_depth++] = KMP_HW_CORE;
759 if (equivalent[KMP_HW_THREAD] != KMP_HW_THREAD)
760 print_types[print_types_depth++] = KMP_HW_THREAD;
762 __kmp_str_buf_clear(&buf);
763 kmp_hw_t numerator_type;
764 kmp_hw_t denominator_type = KMP_HW_UNKNOWN;
765 int core_level = get_level(KMP_HW_CORE);
766 int ncores = get_count(core_level);
768 for (
int plevel = 0, level = 0; plevel < print_types_depth; ++plevel) {
771 numerator_type = print_types[plevel];
772 KMP_ASSERT_VALID_HW_TYPE(numerator_type);
773 if (equivalent[numerator_type] != numerator_type)
776 c = get_ratio(level++);
779 __kmp_str_buf_print(&buf,
"%d %s", c,
780 __kmp_hw_get_catalog_string(numerator_type, plural));
782 __kmp_str_buf_print(&buf,
" x %d %s/%s", c,
783 __kmp_hw_get_catalog_string(numerator_type, plural),
784 __kmp_hw_get_catalog_string(denominator_type));
786 denominator_type = numerator_type;
788 KMP_INFORM(TopologyGeneric, env_var, buf.str, ncores);
791 if (__kmp_is_hybrid_cpu()) {
792 for (
int i = 0; i < num_core_types; ++i) {
793 kmp_hw_core_type_t core_type = core_types[i];
796 attr.set_core_type(core_type);
797 int ncores = get_ncores_with_attr(attr);
799 KMP_INFORM(TopologyHybrid, env_var, ncores,
800 __kmp_hw_get_core_type_string(core_type));
801 KMP_ASSERT(num_core_efficiencies <= KMP_HW_MAX_NUM_CORE_EFFS)
802 for (
int eff = 0; eff < num_core_efficiencies; ++eff) {
803 attr.set_core_eff(eff);
804 int ncores_with_eff = get_ncores_with_attr(attr);
805 if (ncores_with_eff > 0) {
806 KMP_INFORM(TopologyHybridCoreEff, env_var, ncores_with_eff, eff);
813 if (num_hw_threads <= 0) {
814 __kmp_str_buf_free(&buf);
819 KMP_INFORM(OSProcToPhysicalThreadMap, env_var);
820 for (
int i = 0; i < num_hw_threads; i++) {
821 __kmp_str_buf_clear(&buf);
822 for (
int level = 0; level < depth; ++level) {
823 kmp_hw_t type = types[level];
824 __kmp_str_buf_print(&buf,
"%s ", __kmp_hw_get_catalog_string(type));
825 __kmp_str_buf_print(&buf,
"%d ", hw_threads[i].ids[level]);
827 if (__kmp_is_hybrid_cpu())
830 __kmp_hw_get_core_type_string(hw_threads[i].attrs.get_core_type()));
831 KMP_INFORM(OSProcMapToPack, env_var, hw_threads[i].os_id, buf.str);
834 __kmp_str_buf_free(&buf);
837#if KMP_AFFINITY_SUPPORTED
838void kmp_topology_t::set_granularity(kmp_affinity_t &affinity)
const {
839 const char *env_var = __kmp_get_affinity_env_var(affinity);
843 if (!__kmp_is_hybrid_cpu()) {
844 if (affinity.core_attr_gran.valid) {
848 affinity, AffIgnoringNonHybrid, env_var,
849 __kmp_hw_get_catalog_string(KMP_HW_CORE,
true));
850 affinity.gran = KMP_HW_CORE;
851 affinity.gran_levels = -1;
852 affinity.core_attr_gran = KMP_AFFINITY_ATTRS_UNKNOWN;
853 affinity.flags.core_types_gran = affinity.flags.core_effs_gran = 0;
854 }
else if (affinity.flags.core_types_gran ||
855 affinity.flags.core_effs_gran) {
857 if (affinity.flags.omp_places) {
859 affinity, AffIgnoringNonHybrid, env_var,
860 __kmp_hw_get_catalog_string(KMP_HW_CORE,
true));
863 KMP_AFF_WARNING(affinity, AffGranularityBad, env_var,
864 "Intel(R) Hybrid Technology core attribute",
865 __kmp_hw_get_catalog_string(KMP_HW_CORE));
867 affinity.gran = KMP_HW_CORE;
868 affinity.gran_levels = -1;
869 affinity.core_attr_gran = KMP_AFFINITY_ATTRS_UNKNOWN;
870 affinity.flags.core_types_gran = affinity.flags.core_effs_gran = 0;
874 if (affinity.gran_levels < 0) {
875 kmp_hw_t gran_type = get_equivalent_type(affinity.gran);
877 if (gran_type == KMP_HW_UNKNOWN) {
879 kmp_hw_t gran_types[3] = {KMP_HW_CORE, KMP_HW_THREAD, KMP_HW_SOCKET};
880 for (
auto g : gran_types) {
881 if (get_equivalent_type(g) != KMP_HW_UNKNOWN) {
886 KMP_ASSERT(gran_type != KMP_HW_UNKNOWN);
888 KMP_AFF_WARNING(affinity, AffGranularityBad, env_var,
889 __kmp_hw_get_catalog_string(affinity.gran),
890 __kmp_hw_get_catalog_string(gran_type));
891 affinity.gran = gran_type;
893#if KMP_GROUP_AFFINITY
901 if (__kmp_num_proc_groups > 1) {
902 int gran_depth = get_level(gran_type);
903 int proc_group_depth = get_level(KMP_HW_PROC_GROUP);
904 if (gran_depth >= 0 && proc_group_depth >= 0 &&
905 gran_depth < proc_group_depth) {
906 KMP_AFF_WARNING(affinity, AffGranTooCoarseProcGroup, env_var,
907 __kmp_hw_get_catalog_string(affinity.gran));
908 affinity.gran = gran_type = KMP_HW_PROC_GROUP;
912 affinity.gran_levels = 0;
913 for (
int i = depth - 1; i >= 0 && get_type(i) != gran_type; --i)
914 affinity.gran_levels++;
919void kmp_topology_t::canonicalize() {
920#if KMP_GROUP_AFFINITY
921 _insert_windows_proc_groups();
923 _remove_radix1_layers();
924 _gather_enumeration_information();
925 _discover_uniformity();
928 _set_last_level_cache();
932 if (__kmp_mic_type == mic3) {
933 if (get_level(KMP_HW_L2) != -1)
934 set_equivalent_type(KMP_HW_TILE, KMP_HW_L2);
935 else if (get_level(KMP_HW_TILE) != -1)
936 set_equivalent_type(KMP_HW_L2, KMP_HW_TILE);
941 KMP_ASSERT(depth > 0);
942 for (
int level = 0; level < depth; ++level) {
944 KMP_ASSERT(count[level] > 0 && ratio[level] > 0);
945 KMP_ASSERT_VALID_HW_TYPE(types[level]);
947 KMP_ASSERT(equivalent[types[level]] == types[level]);
952void kmp_topology_t::canonicalize(
int npackages,
int ncores_per_pkg,
953 int nthreads_per_core,
int ncores) {
956 KMP_FOREACH_HW_TYPE(i) { equivalent[i] = KMP_HW_UNKNOWN; }
957 for (
int level = 0; level < depth; ++level) {
961 count[0] = npackages;
963 count[2] = __kmp_xproc;
964 ratio[0] = npackages;
965 ratio[1] = ncores_per_pkg;
966 ratio[2] = nthreads_per_core;
967 equivalent[KMP_HW_SOCKET] = KMP_HW_SOCKET;
968 equivalent[KMP_HW_CORE] = KMP_HW_CORE;
969 equivalent[KMP_HW_THREAD] = KMP_HW_THREAD;
970 types[0] = KMP_HW_SOCKET;
971 types[1] = KMP_HW_CORE;
972 types[2] = KMP_HW_THREAD;
974 _discover_uniformity();
979template <
size_t SIZE,
typename IndexFunc>
struct kmp_sub_ids_t {
982 int prev_sub_id[KMP_HW_LAST];
986 kmp_sub_ids_t(
int last_level) : last_level(last_level) {
987 KMP_ASSERT(last_level < KMP_HW_LAST);
988 for (
size_t i = 0; i < SIZE; ++i)
990 for (
size_t i = 0; i < KMP_HW_LAST; ++i)
993 void update(
const kmp_hw_thread_t &hw_thread) {
994 int idx = indexer(hw_thread);
995 KMP_ASSERT(idx < (
int)SIZE);
996 for (
int level = 0; level <= last_level; ++level) {
997 if (hw_thread.sub_ids[level] != prev_sub_id[level]) {
998 if (level < last_level)
1004 for (
int level = 0; level <= last_level; ++level)
1005 prev_sub_id[level] = hw_thread.sub_ids[level];
1007 int get_sub_id(
const kmp_hw_thread_t &hw_thread)
const {
1008 return sub_id[indexer(hw_thread)];
1012#if KMP_AFFINITY_SUPPORTED
1013static kmp_str_buf_t *
1014__kmp_hw_get_catalog_core_string(
const kmp_hw_attr_t &attr, kmp_str_buf_t *buf,
1016 __kmp_str_buf_init(buf);
1017 if (attr.is_core_type_valid())
1018 __kmp_str_buf_print(buf,
"%s %s",
1019 __kmp_hw_get_core_type_string(attr.get_core_type()),
1020 __kmp_hw_get_catalog_string(KMP_HW_CORE, plural));
1022 __kmp_str_buf_print(buf,
"%s eff=%d",
1023 __kmp_hw_get_catalog_string(KMP_HW_CORE, plural),
1024 attr.get_core_eff());
1028bool kmp_topology_t::restrict_to_mask(
const kmp_affin_mask_t *mask) {
1032 for (
int i = 0; i < num_hw_threads; ++i) {
1033 int os_id = hw_threads[i].os_id;
1034 if (KMP_CPU_ISSET(os_id, mask)) {
1036 hw_threads[new_index] = hw_threads[i];
1039 KMP_CPU_CLR(os_id, __kmp_affin_fullMask);
1044 KMP_DEBUG_ASSERT(new_index <= num_hw_threads);
1045 affected = (num_hw_threads != new_index);
1046 num_hw_threads = new_index;
1050 _gather_enumeration_information();
1051 _discover_uniformity();
1053 _set_last_level_cache();
1056 if (__kmp_num_proc_groups <= 1)
1058 __kmp_affin_origMask->copy(__kmp_affin_fullMask);
1066bool kmp_topology_t::filter_hw_subset() {
1068 if (!__kmp_hw_subset)
1072 __kmp_hw_subset->sort();
1075 bool using_core_types =
false;
1076 bool using_core_effs =
false;
1077 int hw_subset_depth = __kmp_hw_subset->get_depth();
1078 kmp_hw_t specified[KMP_HW_LAST];
1079 int *topology_levels = (
int *)KMP_ALLOCA(
sizeof(
int) * hw_subset_depth);
1080 KMP_ASSERT(hw_subset_depth > 0);
1081 KMP_FOREACH_HW_TYPE(i) { specified[i] = KMP_HW_UNKNOWN; }
1082 int core_level = get_level(KMP_HW_CORE);
1083 for (
int i = 0; i < hw_subset_depth; ++i) {
1085 const kmp_hw_subset_t::item_t &item = __kmp_hw_subset->at(i);
1086 int num = item.num[0];
1087 int offset = item.offset[0];
1088 kmp_hw_t type = item.type;
1089 kmp_hw_t equivalent_type = equivalent[type];
1090 int level = get_level(type);
1091 topology_levels[i] = level;
1094 if (equivalent_type != KMP_HW_UNKNOWN) {
1095 __kmp_hw_subset->at(i).type = equivalent_type;
1097 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetNotExistGeneric,
1098 __kmp_hw_get_catalog_string(type));
1104 if (specified[equivalent_type] != KMP_HW_UNKNOWN) {
1105 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetEqvLayers,
1106 __kmp_hw_get_catalog_string(type),
1107 __kmp_hw_get_catalog_string(specified[equivalent_type]));
1110 specified[equivalent_type] = type;
1113 max_count = get_ratio(level);
1114 if (max_count < 0 ||
1115 (num != kmp_hw_subset_t::USE_ALL && num + offset > max_count)) {
1116 bool plural = (num > 1);
1117 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetManyGeneric,
1118 __kmp_hw_get_catalog_string(type, plural));
1123 if (core_level == level) {
1125 for (
int j = 0; j < item.num_attrs; ++j) {
1126 if (item.attr[j].is_core_type_valid())
1127 using_core_types =
true;
1128 if (item.attr[j].is_core_eff_valid())
1129 using_core_effs =
true;
1137 if ((using_core_effs || using_core_types) && !__kmp_is_hybrid_cpu()) {
1138 if (item.num_attrs == 1) {
1139 if (using_core_effs) {
1140 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetIgnoringAttr,
1143 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetIgnoringAttr,
1146 using_core_effs =
false;
1147 using_core_types =
false;
1149 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetAttrsNonHybrid);
1155 if (using_core_types && using_core_effs) {
1156 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetIncompat,
"core_type",
1162 if (using_core_effs) {
1163 for (
int j = 0; j < item.num_attrs; ++j) {
1164 if (item.attr[j].is_core_eff_valid()) {
1165 int core_eff = item.attr[j].get_core_eff();
1166 if (core_eff < 0 || core_eff >= num_core_efficiencies) {
1168 __kmp_str_buf_init(&buf);
1169 __kmp_str_buf_print(&buf,
"%d", item.attr[j].get_core_eff());
1170 __kmp_msg(kmp_ms_warning,
1171 KMP_MSG(AffHWSubsetAttrInvalid,
"efficiency", buf.str),
1172 KMP_HNT(ValidValuesRange, 0, num_core_efficiencies - 1),
1174 __kmp_str_buf_free(&buf);
1182 if (using_core_types || using_core_effs) {
1183 for (
int j = 0; j < item.num_attrs; ++j) {
1184 int num = item.num[j];
1185 int offset = item.offset[j];
1186 int level_above = core_level - 1;
1187 if (level_above >= 0) {
1188 max_count = get_ncores_with_attr_per(item.attr[j], level_above);
1189 if (max_count <= 0 ||
1190 (num != kmp_hw_subset_t::USE_ALL && num + offset > max_count)) {
1192 __kmp_hw_get_catalog_core_string(item.attr[j], &buf, num > 0);
1193 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetManyGeneric, buf.str);
1194 __kmp_str_buf_free(&buf);
1201 if ((using_core_types || using_core_effs) && item.num_attrs > 1) {
1202 for (
int j = 0; j < item.num_attrs; ++j) {
1205 if (!item.attr[j]) {
1206 kmp_hw_attr_t other_attr;
1207 for (
int k = 0; k < item.num_attrs; ++k) {
1208 if (item.attr[k] != item.attr[j]) {
1209 other_attr = item.attr[k];
1214 __kmp_hw_get_catalog_core_string(other_attr, &buf, item.num[j] > 0);
1215 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetIncompat,
1216 __kmp_hw_get_catalog_string(KMP_HW_CORE), buf.str);
1217 __kmp_str_buf_free(&buf);
1221 for (
int k = 0; k < j; ++k) {
1222 if (!item.attr[j] || !item.attr[k])
1224 if (item.attr[k] == item.attr[j]) {
1226 __kmp_hw_get_catalog_core_string(item.attr[j], &buf,
1228 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetAttrRepeat, buf.str);
1229 __kmp_str_buf_free(&buf);
1238 struct core_type_indexer {
1239 int operator()(
const kmp_hw_thread_t &t)
const {
1240 switch (t.attrs.get_core_type()) {
1241#if KMP_ARCH_X86 || KMP_ARCH_X86_64
1242 case KMP_HW_CORE_TYPE_ATOM:
1244 case KMP_HW_CORE_TYPE_CORE:
1247 case KMP_HW_CORE_TYPE_UNKNOWN:
1254 struct core_eff_indexer {
1255 int operator()(
const kmp_hw_thread_t &t)
const {
1256 return t.attrs.get_core_eff();
1260 kmp_sub_ids_t<KMP_HW_MAX_NUM_CORE_TYPES, core_type_indexer> core_type_sub_ids(
1262 kmp_sub_ids_t<KMP_HW_MAX_NUM_CORE_EFFS, core_eff_indexer> core_eff_sub_ids(
1266 int num_filtered = 0;
1267 kmp_affin_mask_t *filtered_mask;
1268 KMP_CPU_ALLOC(filtered_mask);
1269 KMP_CPU_COPY(filtered_mask, __kmp_affin_fullMask);
1270 for (
int i = 0; i < num_hw_threads; ++i) {
1271 kmp_hw_thread_t &hw_thread = hw_threads[i];
1273 if (using_core_types)
1274 core_type_sub_ids.update(hw_thread);
1275 if (using_core_effs)
1276 core_eff_sub_ids.update(hw_thread);
1279 bool should_be_filtered =
false;
1280 for (
int hw_subset_index = 0; hw_subset_index < hw_subset_depth;
1281 ++hw_subset_index) {
1282 const auto &hw_subset_item = __kmp_hw_subset->at(hw_subset_index);
1283 int level = topology_levels[hw_subset_index];
1286 if ((using_core_effs || using_core_types) && level == core_level) {
1292 kmp_hw_core_type_t core_type = hw_thread.attrs.get_core_type();
1293 int core_eff = hw_thread.attrs.get_core_eff();
1294 for (attr_idx = 0; attr_idx < hw_subset_item.num_attrs; ++attr_idx) {
1295 if (using_core_types &&
1296 hw_subset_item.attr[attr_idx].get_core_type() == core_type)
1298 if (using_core_effs &&
1299 hw_subset_item.attr[attr_idx].get_core_eff() == core_eff)
1303 if (attr_idx == hw_subset_item.num_attrs) {
1304 should_be_filtered =
true;
1308 int num = hw_subset_item.num[attr_idx];
1309 int offset = hw_subset_item.offset[attr_idx];
1310 if (using_core_types)
1311 sub_id = core_type_sub_ids.get_sub_id(hw_thread);
1313 sub_id = core_eff_sub_ids.get_sub_id(hw_thread);
1314 if (sub_id < offset ||
1315 (num != kmp_hw_subset_t::USE_ALL && sub_id >= offset + num)) {
1316 should_be_filtered =
true;
1320 int num = hw_subset_item.num[0];
1321 int offset = hw_subset_item.offset[0];
1322 if (hw_thread.sub_ids[level] < offset ||
1323 (num != kmp_hw_subset_t::USE_ALL &&
1324 hw_thread.sub_ids[level] >= offset + num)) {
1325 should_be_filtered =
true;
1331 if (should_be_filtered) {
1332 KMP_CPU_CLR(hw_thread.os_id, filtered_mask);
1338 if (num_filtered == num_hw_threads) {
1339 KMP_AFF_WARNING(__kmp_affinity, AffHWSubsetAllFiltered);
1344 restrict_to_mask(filtered_mask);
1348bool kmp_topology_t::is_close(
int hwt1,
int hwt2,
1349 const kmp_affinity_t &stgs)
const {
1350 int hw_level = stgs.gran_levels;
1351 if (hw_level >= depth)
1354 const kmp_hw_thread_t &t1 = hw_threads[hwt1];
1355 const kmp_hw_thread_t &t2 = hw_threads[hwt2];
1356 if (stgs.flags.core_types_gran)
1357 return t1.attrs.get_core_type() == t2.attrs.get_core_type();
1358 if (stgs.flags.core_effs_gran)
1359 return t1.attrs.get_core_eff() == t2.attrs.get_core_eff();
1360 for (
int i = 0; i < (depth - hw_level); ++i) {
1361 if (t1.ids[i] != t2.ids[i])
1369bool KMPAffinity::picked_api =
false;
1371void *KMPAffinity::Mask::operator
new(
size_t n) {
return __kmp_allocate(n); }
1372void *KMPAffinity::Mask::operator
new[](
size_t n) {
return __kmp_allocate(n); }
1373void KMPAffinity::Mask::operator
delete(
void *p) { __kmp_free(p); }
1374void KMPAffinity::Mask::operator
delete[](
void *p) { __kmp_free(p); }
1375void *KMPAffinity::operator
new(
size_t n) {
return __kmp_allocate(n); }
1376void KMPAffinity::operator
delete(
void *p) { __kmp_free(p); }
1378void KMPAffinity::pick_api() {
1379 KMPAffinity *affinity_dispatch;
1385 if (__kmp_affinity_top_method == affinity_top_method_hwloc &&
1386 __kmp_affinity.type != affinity_disabled) {
1387 affinity_dispatch =
new KMPHwlocAffinity();
1391 affinity_dispatch =
new KMPNativeAffinity();
1393 __kmp_affinity_dispatch = affinity_dispatch;
1397void KMPAffinity::destroy_api() {
1398 if (__kmp_affinity_dispatch != NULL) {
1399 delete __kmp_affinity_dispatch;
1400 __kmp_affinity_dispatch = NULL;
1405#define KMP_ADVANCE_SCAN(scan) \
1406 while (*scan != '\0') { \
1414char *__kmp_affinity_print_mask(
char *buf,
int buf_len,
1415 kmp_affin_mask_t *mask) {
1416 int start = 0, finish = 0, previous = 0;
1419 KMP_ASSERT(buf_len >= 40);
1422 char *end = buf + buf_len - 1;
1425 if (mask->begin() == mask->end()) {
1426 KMP_SNPRINTF(scan, end - scan + 1,
"{<empty>}");
1427 KMP_ADVANCE_SCAN(scan);
1428 KMP_ASSERT(scan <= end);
1433 start = mask->begin();
1437 for (finish = mask->next(start), previous = start;
1438 finish == previous + 1 && finish != mask->end();
1439 finish = mask->next(finish)) {
1446 KMP_SNPRINTF(scan, end - scan + 1,
"%s",
",");
1447 KMP_ADVANCE_SCAN(scan);
1449 first_range =
false;
1452 if (previous - start > 1) {
1453 KMP_SNPRINTF(scan, end - scan + 1,
"%u-%u", start, previous);
1456 KMP_SNPRINTF(scan, end - scan + 1,
"%u", start);
1457 KMP_ADVANCE_SCAN(scan);
1458 if (previous - start > 0) {
1459 KMP_SNPRINTF(scan, end - scan + 1,
",%u", previous);
1462 KMP_ADVANCE_SCAN(scan);
1465 if (start == mask->end())
1473 KMP_ASSERT(scan <= end);
1476#undef KMP_ADVANCE_SCAN
1482kmp_str_buf_t *__kmp_affinity_str_buf_mask(kmp_str_buf_t *buf,
1483 kmp_affin_mask_t *mask) {
1484 int start = 0, finish = 0, previous = 0;
1489 __kmp_str_buf_clear(buf);
1492 if (mask->begin() == mask->end()) {
1493 __kmp_str_buf_print(buf,
"%s",
"{<empty>}");
1498 start = mask->begin();
1502 for (finish = mask->next(start), previous = start;
1503 finish == previous + 1 && finish != mask->end();
1504 finish = mask->next(finish)) {
1511 __kmp_str_buf_print(buf,
"%s",
",");
1513 first_range =
false;
1516 if (previous - start > 1) {
1517 __kmp_str_buf_print(buf,
"%u-%u", start, previous);
1520 __kmp_str_buf_print(buf,
"%u", start);
1521 if (previous - start > 0) {
1522 __kmp_str_buf_print(buf,
",%u", previous);
1527 if (start == mask->end())
1535kmp_affin_mask_t *__kmp_affinity_get_offline_cpus() {
1536 kmp_affin_mask_t *offline;
1537 KMP_CPU_ALLOC(offline);
1538 KMP_CPU_ZERO(offline);
1540 int n, begin_cpu, end_cpu;
1542 auto skip_ws = [](FILE *f) {
1546 }
while (isspace(c));
1552 int status = offline_file.
try_open(
"/sys/devices/system/cpu/offline",
"r");
1555 while (!feof(offline_file)) {
1556 skip_ws(offline_file);
1557 n = fscanf(offline_file,
"%d", &begin_cpu);
1560 skip_ws(offline_file);
1561 int c = fgetc(offline_file);
1562 if (c == EOF || c ==
',') {
1564 end_cpu = begin_cpu;
1565 }
else if (c ==
'-') {
1567 skip_ws(offline_file);
1568 n = fscanf(offline_file,
"%d", &end_cpu);
1571 skip_ws(offline_file);
1572 c = fgetc(offline_file);
1578 if (begin_cpu < 0 || begin_cpu >= __kmp_xproc || end_cpu < 0 ||
1579 end_cpu >= __kmp_xproc || begin_cpu > end_cpu) {
1583 for (
int cpu = begin_cpu; cpu <= end_cpu; ++cpu) {
1584 KMP_CPU_SET(cpu, offline);
1592int __kmp_affinity_entire_machine_mask(kmp_affin_mask_t *mask) {
1596#if KMP_GROUP_AFFINITY
1598 if (__kmp_num_proc_groups > 1) {
1600 KMP_DEBUG_ASSERT(__kmp_GetActiveProcessorCount != NULL);
1601 for (group = 0; group < __kmp_num_proc_groups; group++) {
1603 int num = __kmp_GetActiveProcessorCount(group);
1604 for (i = 0; i < num; i++) {
1605 KMP_CPU_SET(i + group * (CHAR_BIT *
sizeof(DWORD_PTR)), mask);
1615 kmp_affin_mask_t *offline_cpus = __kmp_affinity_get_offline_cpus();
1616 for (proc = 0; proc < __kmp_xproc; proc++) {
1618 if (KMP_CPU_ISSET(proc, offline_cpus))
1620 KMP_CPU_SET(proc, mask);
1623 KMP_CPU_FREE(offline_cpus);
1632kmp_affin_mask_t *__kmp_affin_fullMask = NULL;
1634kmp_affin_mask_t *__kmp_affin_origMask = NULL;
1637static inline bool __kmp_hwloc_is_cache_type(hwloc_obj_t obj) {
1638#if HWLOC_API_VERSION >= 0x00020000
1639 return hwloc_obj_type_is_cache(obj->type);
1641 return obj->type == HWLOC_OBJ_CACHE;
1646static inline kmp_hw_t __kmp_hwloc_type_2_topology_type(hwloc_obj_t obj) {
1648 if (__kmp_hwloc_is_cache_type(obj)) {
1649 if (obj->attr->cache.type == HWLOC_OBJ_CACHE_INSTRUCTION)
1650 return KMP_HW_UNKNOWN;
1651 switch (obj->attr->cache.depth) {
1655#if KMP_MIC_SUPPORTED
1656 if (__kmp_mic_type == mic3) {
1664 return KMP_HW_UNKNOWN;
1667 switch (obj->type) {
1668 case HWLOC_OBJ_PACKAGE:
1669 return KMP_HW_SOCKET;
1670 case HWLOC_OBJ_NUMANODE:
1672 case HWLOC_OBJ_CORE:
1675 return KMP_HW_THREAD;
1676 case HWLOC_OBJ_GROUP:
1677#if HWLOC_API_VERSION >= 0x00020000
1678 if (obj->attr->group.kind == HWLOC_GROUP_KIND_INTEL_DIE)
1680 else if (obj->attr->group.kind == HWLOC_GROUP_KIND_INTEL_TILE)
1682 else if (obj->attr->group.kind == HWLOC_GROUP_KIND_INTEL_MODULE)
1683 return KMP_HW_MODULE;
1684 else if (obj->attr->group.kind == HWLOC_GROUP_KIND_WINDOWS_PROCESSOR_GROUP)
1685 return KMP_HW_PROC_GROUP;
1687 return KMP_HW_UNKNOWN;
1688#if HWLOC_API_VERSION >= 0x00020100
1693 return KMP_HW_UNKNOWN;
1700static int __kmp_hwloc_get_nobjs_under_obj(hwloc_obj_t obj,
1701 hwloc_obj_type_t type) {
1704 for (first = hwloc_get_obj_below_by_type(__kmp_hwloc_topology, obj->type,
1705 obj->logical_index, type, 0);
1706 first != NULL && hwloc_get_ancestor_obj_by_type(__kmp_hwloc_topology,
1707 obj->type, first) == obj;
1708 first = hwloc_get_next_obj_by_type(__kmp_hwloc_topology, first->type,
1717static int __kmp_hwloc_get_sub_id(hwloc_topology_t t, hwloc_obj_t higher,
1718 hwloc_obj_t lower) {
1720 hwloc_obj_type_t ltype = lower->type;
1721 int lindex = lower->logical_index - 1;
1724 obj = hwloc_get_obj_by_type(t, ltype, lindex);
1725 while (obj && lindex >= 0 &&
1726 hwloc_bitmap_isincluded(obj->cpuset, higher->cpuset)) {
1727 if (obj->userdata) {
1728 sub_id = (int)(RCAST(kmp_intptr_t, obj->userdata));
1733 obj = hwloc_get_obj_by_type(t, ltype, lindex);
1736 lower->userdata = RCAST(
void *, sub_id + 1);
1740static bool __kmp_affinity_create_hwloc_map(kmp_i18n_id_t *
const msg_id) {
1742 int hw_thread_index, sub_id;
1744 hwloc_obj_t pu, obj, root, prev;
1745 kmp_hw_t types[KMP_HW_LAST];
1746 hwloc_obj_type_t hwloc_types[KMP_HW_LAST];
1748 hwloc_topology_t tp = __kmp_hwloc_topology;
1749 *msg_id = kmp_i18n_null;
1750 if (__kmp_affinity.flags.verbose) {
1751 KMP_INFORM(AffUsingHwloc,
"KMP_AFFINITY");
1754 if (!KMP_AFFINITY_CAPABLE()) {
1757 KMP_ASSERT(__kmp_affinity.type == affinity_none);
1759 hwloc_obj_t o = hwloc_get_obj_by_type(tp, HWLOC_OBJ_PACKAGE, 0);
1761 nCoresPerPkg = __kmp_hwloc_get_nobjs_under_obj(o, HWLOC_OBJ_CORE);
1764 o = hwloc_get_obj_by_type(tp, HWLOC_OBJ_CORE, 0);
1766 __kmp_nThreadsPerCore = __kmp_hwloc_get_nobjs_under_obj(o, HWLOC_OBJ_PU);
1768 __kmp_nThreadsPerCore = 1;
1769 __kmp_ncores = __kmp_xproc / __kmp_nThreadsPerCore;
1770 if (nCoresPerPkg == 0)
1772 nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg;
1776#if HWLOC_API_VERSION >= 0x00020400
1778 int nr_cpu_kinds = hwloc_cpukinds_get_nr(tp, 0);
1780 typedef struct kmp_hwloc_cpukinds_info_t {
1782 kmp_hw_core_type_t core_type;
1783 hwloc_bitmap_t mask;
1784 } kmp_hwloc_cpukinds_info_t;
1785 kmp_hwloc_cpukinds_info_t *cpukinds =
nullptr;
1787 if (nr_cpu_kinds > 0) {
1789 struct hwloc_info_s *infos;
1790 cpukinds = (kmp_hwloc_cpukinds_info_t *)__kmp_allocate(
1791 sizeof(kmp_hwloc_cpukinds_info_t) * nr_cpu_kinds);
1792 for (
unsigned idx = 0; idx < (unsigned)nr_cpu_kinds; ++idx) {
1793 cpukinds[idx].efficiency = -1;
1794 cpukinds[idx].core_type = KMP_HW_CORE_TYPE_UNKNOWN;
1795 cpukinds[idx].mask = hwloc_bitmap_alloc();
1796 if (hwloc_cpukinds_get_info(tp, idx, cpukinds[idx].mask,
1797 &cpukinds[idx].efficiency, &nr_infos, &infos,
1799 for (
unsigned i = 0; i < nr_infos; ++i) {
1800 if (__kmp_str_match(
"CoreType", 8, infos[i].name)) {
1801#if KMP_ARCH_X86 || KMP_ARCH_X86_64
1802 if (__kmp_str_match(
"IntelAtom", 9, infos[i].value)) {
1803 cpukinds[idx].core_type = KMP_HW_CORE_TYPE_ATOM;
1805 }
else if (__kmp_str_match(
"IntelCore", 9, infos[i].value)) {
1806 cpukinds[idx].core_type = KMP_HW_CORE_TYPE_CORE;
1817 root = hwloc_get_root_obj(tp);
1821 pu = hwloc_get_pu_obj_by_os_index(tp, __kmp_affin_fullMask->begin());
1824 types[depth] = KMP_HW_THREAD;
1825 hwloc_types[depth] = obj->type;
1827 while (obj != root && obj != NULL) {
1829#if HWLOC_API_VERSION >= 0x00020000
1830 if (obj->memory_arity) {
1832 for (memory = obj->memory_first_child; memory;
1833 memory = hwloc_get_next_child(tp, obj, memory)) {
1834 if (memory->type == HWLOC_OBJ_NUMANODE)
1837 if (memory && memory->type == HWLOC_OBJ_NUMANODE) {
1838 types[depth] = KMP_HW_NUMA;
1839 hwloc_types[depth] = memory->type;
1844 type = __kmp_hwloc_type_2_topology_type(obj);
1845 if (type != KMP_HW_UNKNOWN) {
1846 types[depth] = type;
1847 hwloc_types[depth] = obj->type;
1851 KMP_ASSERT(depth > 0);
1854 for (
int i = 0, j = depth - 1; i < j; ++i, --j) {
1855 hwloc_obj_type_t hwloc_temp = hwloc_types[i];
1856 kmp_hw_t temp = types[i];
1857 types[i] = types[j];
1859 hwloc_types[i] = hwloc_types[j];
1860 hwloc_types[j] = hwloc_temp;
1864 __kmp_topology = kmp_topology_t::allocate(__kmp_avail_proc, depth, types);
1866 hw_thread_index = 0;
1868 while ((pu = hwloc_get_next_obj_by_type(tp, HWLOC_OBJ_PU, pu))) {
1869 int index = depth - 1;
1870 bool included = KMP_CPU_ISSET(pu->os_index, __kmp_affin_fullMask);
1871 kmp_hw_thread_t &hw_thread = __kmp_topology->at(hw_thread_index);
1874 hw_thread.ids[index] = pu->logical_index;
1875 hw_thread.os_id = pu->os_index;
1877#if HWLOC_API_VERSION >= 0x00020400
1879 int cpukind_index = -1;
1880 for (
int i = 0; i < nr_cpu_kinds; ++i) {
1881 if (hwloc_bitmap_isset(cpukinds[i].mask, hw_thread.os_id)) {
1886 if (cpukind_index >= 0) {
1887 hw_thread.attrs.set_core_type(cpukinds[cpukind_index].core_type);
1888 hw_thread.attrs.set_core_eff(cpukinds[cpukind_index].efficiency);
1896 while (obj != root && obj != NULL) {
1898#if HWLOC_API_VERSION >= 0x00020000
1902 if (obj->memory_arity) {
1904 for (memory = obj->memory_first_child; memory;
1905 memory = hwloc_get_next_child(tp, obj, memory)) {
1906 if (memory->type == HWLOC_OBJ_NUMANODE)
1909 if (memory && memory->type == HWLOC_OBJ_NUMANODE) {
1910 sub_id = __kmp_hwloc_get_sub_id(tp, memory, prev);
1912 hw_thread.ids[index] = memory->logical_index;
1913 hw_thread.ids[index + 1] = sub_id;
1921 type = __kmp_hwloc_type_2_topology_type(obj);
1922 if (type != KMP_HW_UNKNOWN) {
1923 sub_id = __kmp_hwloc_get_sub_id(tp, obj, prev);
1925 hw_thread.ids[index] = obj->logical_index;
1926 hw_thread.ids[index + 1] = sub_id;
1936#if HWLOC_API_VERSION >= 0x00020400
1939 for (
int idx = 0; idx < nr_cpu_kinds; ++idx)
1940 hwloc_bitmap_free(cpukinds[idx].mask);
1941 __kmp_free(cpukinds);
1944 __kmp_topology->sort_ids();
1952static bool __kmp_affinity_create_flat_map(kmp_i18n_id_t *
const msg_id) {
1953 *msg_id = kmp_i18n_null;
1955 kmp_hw_t types[] = {KMP_HW_SOCKET, KMP_HW_CORE, KMP_HW_THREAD};
1957 if (__kmp_affinity.flags.verbose) {
1958 KMP_INFORM(UsingFlatOS,
"KMP_AFFINITY");
1964 if (!KMP_AFFINITY_CAPABLE()) {
1965 KMP_ASSERT(__kmp_affinity.type == affinity_none);
1966 __kmp_ncores = nPackages = __kmp_xproc;
1967 __kmp_nThreadsPerCore = nCoresPerPkg = 1;
1975 __kmp_ncores = nPackages = __kmp_avail_proc;
1976 __kmp_nThreadsPerCore = nCoresPerPkg = 1;
1979 __kmp_topology = kmp_topology_t::allocate(__kmp_avail_proc, depth, types);
1982 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask) {
1984 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)) {
1987 kmp_hw_thread_t &hw_thread = __kmp_topology->at(avail_ct);
1989 hw_thread.os_id = i;
1990 hw_thread.ids[0] = i;
1991 hw_thread.ids[1] = 0;
1992 hw_thread.ids[2] = 0;
1995 if (__kmp_affinity.flags.verbose) {
1996 KMP_INFORM(OSProcToPackage,
"KMP_AFFINITY");
2001#if KMP_GROUP_AFFINITY
2006static bool __kmp_affinity_create_proc_group_map(kmp_i18n_id_t *
const msg_id) {
2007 *msg_id = kmp_i18n_null;
2009 kmp_hw_t types[] = {KMP_HW_PROC_GROUP, KMP_HW_CORE, KMP_HW_THREAD};
2010 const static size_t BITS_PER_GROUP = CHAR_BIT *
sizeof(DWORD_PTR);
2012 if (__kmp_affinity.flags.verbose) {
2013 KMP_INFORM(AffWindowsProcGroupMap,
"KMP_AFFINITY");
2017 if (!KMP_AFFINITY_CAPABLE()) {
2018 KMP_ASSERT(__kmp_affinity.type == affinity_none);
2019 nPackages = __kmp_num_proc_groups;
2020 __kmp_nThreadsPerCore = 1;
2021 __kmp_ncores = __kmp_xproc;
2022 nCoresPerPkg = nPackages / __kmp_ncores;
2027 __kmp_topology = kmp_topology_t::allocate(__kmp_avail_proc, depth, types);
2030 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask) {
2032 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)) {
2035 kmp_hw_thread_t &hw_thread = __kmp_topology->at(avail_ct++);
2037 hw_thread.os_id = i;
2038 hw_thread.ids[0] = i / BITS_PER_GROUP;
2039 hw_thread.ids[1] = hw_thread.ids[2] = i % BITS_PER_GROUP;
2045#if KMP_ARCH_X86 || KMP_ARCH_X86_64
2047template <kmp_u
int32 LSB, kmp_u
int32 MSB>
2048static inline unsigned __kmp_extract_bits(kmp_uint32 v) {
2049 const kmp_uint32 SHIFT_LEFT =
sizeof(kmp_uint32) * 8 - 1 - MSB;
2050 const kmp_uint32 SHIFT_RIGHT = LSB;
2051 kmp_uint32 retval = v;
2052 retval <<= SHIFT_LEFT;
2053 retval >>= (SHIFT_LEFT + SHIFT_RIGHT);
2057static int __kmp_cpuid_mask_width(
int count) {
2060 while ((1 << r) < count)
2065class apicThreadInfo {
2069 unsigned maxCoresPerPkg;
2070 unsigned maxThreadsPerPkg;
2076static int __kmp_affinity_cmp_apicThreadInfo_phys_id(
const void *a,
2078 const apicThreadInfo *aa = (
const apicThreadInfo *)a;
2079 const apicThreadInfo *bb = (
const apicThreadInfo *)b;
2080 if (aa->pkgId < bb->pkgId)
2082 if (aa->pkgId > bb->pkgId)
2084 if (aa->coreId < bb->coreId)
2086 if (aa->coreId > bb->coreId)
2088 if (aa->threadId < bb->threadId)
2090 if (aa->threadId > bb->threadId)
2095class kmp_cache_info_t {
2098 unsigned level, mask;
2100 kmp_cache_info_t() : depth(0) { get_leaf4_levels(); }
2101 size_t get_depth()
const {
return depth; }
2102 info_t &operator[](
size_t index) {
return table[index]; }
2103 const info_t &operator[](
size_t index)
const {
return table[index]; }
2105 static kmp_hw_t get_topology_type(
unsigned level) {
2106 KMP_DEBUG_ASSERT(level >= 1 && level <= MAX_CACHE_LEVEL);
2115 return KMP_HW_UNKNOWN;
2119 static const int MAX_CACHE_LEVEL = 3;
2122 info_t table[MAX_CACHE_LEVEL];
2124 void get_leaf4_levels() {
2126 while (depth < MAX_CACHE_LEVEL) {
2127 unsigned cache_type, max_threads_sharing;
2128 unsigned cache_level, cache_mask_width;
2130 __kmp_x86_cpuid(4, level, &buf2);
2131 cache_type = __kmp_extract_bits<0, 4>(buf2.eax);
2135 if (cache_type == 2) {
2139 max_threads_sharing = __kmp_extract_bits<14, 25>(buf2.eax) + 1;
2140 cache_mask_width = __kmp_cpuid_mask_width(max_threads_sharing);
2141 cache_level = __kmp_extract_bits<5, 7>(buf2.eax);
2142 table[depth].level = cache_level;
2143 table[depth].mask = ((-1) << cache_mask_width);
2154static bool __kmp_affinity_create_apicid_map(kmp_i18n_id_t *
const msg_id) {
2156 *msg_id = kmp_i18n_null;
2158 if (__kmp_affinity.flags.verbose) {
2159 KMP_INFORM(AffInfoStr,
"KMP_AFFINITY", KMP_I18N_STR(DecodingLegacyAPIC));
2163 __kmp_x86_cpuid(0, 0, &buf);
2165 *msg_id = kmp_i18n_str_NoLeaf4Support;
2174 if (!KMP_AFFINITY_CAPABLE()) {
2177 KMP_ASSERT(__kmp_affinity.type == affinity_none);
2183 __kmp_x86_cpuid(1, 0, &buf);
2184 int maxThreadsPerPkg = (buf.ebx >> 16) & 0xff;
2185 if (maxThreadsPerPkg == 0) {
2186 maxThreadsPerPkg = 1;
2200 __kmp_x86_cpuid(0, 0, &buf);
2202 __kmp_x86_cpuid(4, 0, &buf);
2203 nCoresPerPkg = ((buf.eax >> 26) & 0x3f) + 1;
2221 __kmp_ncores = __kmp_xproc;
2222 nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg;
2223 __kmp_nThreadsPerCore = 1;
2232 kmp_affinity_raii_t previous_affinity;
2260 apicThreadInfo *threadInfo = (apicThreadInfo *)__kmp_allocate(
2261 __kmp_avail_proc *
sizeof(apicThreadInfo));
2262 unsigned nApics = 0;
2263 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask) {
2265 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)) {
2268 KMP_DEBUG_ASSERT((
int)nApics < __kmp_avail_proc);
2270 __kmp_affinity_dispatch->bind_thread(i);
2271 threadInfo[nApics].osId = i;
2274 __kmp_x86_cpuid(1, 0, &buf);
2275 if (((buf.edx >> 9) & 1) == 0) {
2276 __kmp_free(threadInfo);
2277 *msg_id = kmp_i18n_str_ApicNotPresent;
2280 threadInfo[nApics].apicId = (buf.ebx >> 24) & 0xff;
2281 threadInfo[nApics].maxThreadsPerPkg = (buf.ebx >> 16) & 0xff;
2282 if (threadInfo[nApics].maxThreadsPerPkg == 0) {
2283 threadInfo[nApics].maxThreadsPerPkg = 1;
2292 __kmp_x86_cpuid(0, 0, &buf);
2294 __kmp_x86_cpuid(4, 0, &buf);
2295 threadInfo[nApics].maxCoresPerPkg = ((buf.eax >> 26) & 0x3f) + 1;
2297 threadInfo[nApics].maxCoresPerPkg = 1;
2301 int widthCT = __kmp_cpuid_mask_width(threadInfo[nApics].maxThreadsPerPkg);
2302 threadInfo[nApics].pkgId = threadInfo[nApics].apicId >> widthCT;
2304 int widthC = __kmp_cpuid_mask_width(threadInfo[nApics].maxCoresPerPkg);
2305 int widthT = widthCT - widthC;
2310 __kmp_free(threadInfo);
2311 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
2315 int maskC = (1 << widthC) - 1;
2316 threadInfo[nApics].coreId = (threadInfo[nApics].apicId >> widthT) & maskC;
2318 int maskT = (1 << widthT) - 1;
2319 threadInfo[nApics].threadId = threadInfo[nApics].apicId & maskT;
2326 previous_affinity.restore();
2329 qsort(threadInfo, nApics,
sizeof(*threadInfo),
2330 __kmp_affinity_cmp_apicThreadInfo_phys_id);
2347 __kmp_nThreadsPerCore = 1;
2348 unsigned nCores = 1;
2351 unsigned lastPkgId = threadInfo[0].pkgId;
2352 unsigned coreCt = 1;
2353 unsigned lastCoreId = threadInfo[0].coreId;
2354 unsigned threadCt = 1;
2355 unsigned lastThreadId = threadInfo[0].threadId;
2358 unsigned prevMaxCoresPerPkg = threadInfo[0].maxCoresPerPkg;
2359 unsigned prevMaxThreadsPerPkg = threadInfo[0].maxThreadsPerPkg;
2361 for (i = 1; i < nApics; i++) {
2362 if (threadInfo[i].pkgId != lastPkgId) {
2365 lastPkgId = threadInfo[i].pkgId;
2366 if ((
int)coreCt > nCoresPerPkg)
2367 nCoresPerPkg = coreCt;
2369 lastCoreId = threadInfo[i].coreId;
2370 if ((
int)threadCt > __kmp_nThreadsPerCore)
2371 __kmp_nThreadsPerCore = threadCt;
2373 lastThreadId = threadInfo[i].threadId;
2377 prevMaxCoresPerPkg = threadInfo[i].maxCoresPerPkg;
2378 prevMaxThreadsPerPkg = threadInfo[i].maxThreadsPerPkg;
2382 if (threadInfo[i].coreId != lastCoreId) {
2385 lastCoreId = threadInfo[i].coreId;
2386 if ((
int)threadCt > __kmp_nThreadsPerCore)
2387 __kmp_nThreadsPerCore = threadCt;
2389 lastThreadId = threadInfo[i].threadId;
2390 }
else if (threadInfo[i].threadId != lastThreadId) {
2392 lastThreadId = threadInfo[i].threadId;
2394 __kmp_free(threadInfo);
2395 *msg_id = kmp_i18n_str_LegacyApicIDsNotUnique;
2401 if ((prevMaxCoresPerPkg != threadInfo[i].maxCoresPerPkg) ||
2402 (prevMaxThreadsPerPkg != threadInfo[i].maxThreadsPerPkg)) {
2403 __kmp_free(threadInfo);
2404 *msg_id = kmp_i18n_str_InconsistentCpuidInfo;
2412 if ((
int)coreCt > nCoresPerPkg)
2413 nCoresPerPkg = coreCt;
2414 if ((
int)threadCt > __kmp_nThreadsPerCore)
2415 __kmp_nThreadsPerCore = threadCt;
2416 __kmp_ncores = nCores;
2417 KMP_DEBUG_ASSERT(nApics == (
unsigned)__kmp_avail_proc);
2425 int threadLevel = 2;
2427 int depth = (pkgLevel >= 0) + (coreLevel >= 0) + (threadLevel >= 0);
2430 types[idx++] = KMP_HW_SOCKET;
2432 types[idx++] = KMP_HW_CORE;
2433 if (threadLevel >= 0)
2434 types[idx++] = KMP_HW_THREAD;
2436 KMP_ASSERT(depth > 0);
2437 __kmp_topology = kmp_topology_t::allocate(nApics, depth, types);
2439 for (i = 0; i < nApics; ++i) {
2441 unsigned os = threadInfo[i].osId;
2442 kmp_hw_thread_t &hw_thread = __kmp_topology->at(i);
2445 if (pkgLevel >= 0) {
2446 hw_thread.ids[idx++] = threadInfo[i].pkgId;
2448 if (coreLevel >= 0) {
2449 hw_thread.ids[idx++] = threadInfo[i].coreId;
2451 if (threadLevel >= 0) {
2452 hw_thread.ids[idx++] = threadInfo[i].threadId;
2454 hw_thread.os_id = os;
2457 __kmp_free(threadInfo);
2458 __kmp_topology->sort_ids();
2459 if (!__kmp_topology->check_ids()) {
2460 kmp_topology_t::deallocate(__kmp_topology);
2461 __kmp_topology =
nullptr;
2462 *msg_id = kmp_i18n_str_LegacyApicIDsNotUnique;
2470static void __kmp_get_hybrid_info(kmp_hw_core_type_t *type,
int *efficiency,
2471 unsigned *native_model_id) {
2473 __kmp_x86_cpuid(0x1a, 0, &buf);
2474 *type = (kmp_hw_core_type_t)__kmp_extract_bits<24, 31>(buf.eax);
2476 case KMP_HW_CORE_TYPE_ATOM:
2479 case KMP_HW_CORE_TYPE_CORE:
2485 *native_model_id = __kmp_extract_bits<0, 23>(buf.eax);
2507 INTEL_LEVEL_TYPE_INVALID = 0,
2508 INTEL_LEVEL_TYPE_SMT = 1,
2509 INTEL_LEVEL_TYPE_CORE = 2,
2510 INTEL_LEVEL_TYPE_MODULE = 3,
2511 INTEL_LEVEL_TYPE_TILE = 4,
2512 INTEL_LEVEL_TYPE_DIE = 5,
2513 INTEL_LEVEL_TYPE_LAST = 6,
2516struct cpuid_level_info_t {
2517 unsigned level_type, mask, mask_width, nitems, cache_mask;
2520static kmp_hw_t __kmp_intel_type_2_topology_type(
int intel_type) {
2521 switch (intel_type) {
2522 case INTEL_LEVEL_TYPE_INVALID:
2523 return KMP_HW_SOCKET;
2524 case INTEL_LEVEL_TYPE_SMT:
2525 return KMP_HW_THREAD;
2526 case INTEL_LEVEL_TYPE_CORE:
2528 case INTEL_LEVEL_TYPE_TILE:
2530 case INTEL_LEVEL_TYPE_MODULE:
2531 return KMP_HW_MODULE;
2532 case INTEL_LEVEL_TYPE_DIE:
2535 return KMP_HW_UNKNOWN;
2542__kmp_x2apicid_get_levels(
int leaf,
2543 cpuid_level_info_t levels[INTEL_LEVEL_TYPE_LAST],
2544 kmp_uint64 known_levels) {
2545 unsigned level, levels_index;
2546 unsigned level_type, mask_width, nitems;
2556 level = levels_index = 0;
2558 __kmp_x86_cpuid(leaf, level, &buf);
2559 level_type = __kmp_extract_bits<8, 15>(buf.ecx);
2560 mask_width = __kmp_extract_bits<0, 4>(buf.eax);
2561 nitems = __kmp_extract_bits<0, 15>(buf.ebx);
2562 if (level_type != INTEL_LEVEL_TYPE_INVALID && nitems == 0)
2565 if (known_levels & (1ull << level_type)) {
2567 KMP_ASSERT(levels_index < INTEL_LEVEL_TYPE_LAST);
2568 levels[levels_index].level_type = level_type;
2569 levels[levels_index].mask_width = mask_width;
2570 levels[levels_index].nitems = nitems;
2574 if (levels_index > 0) {
2575 levels[levels_index - 1].mask_width = mask_width;
2576 levels[levels_index - 1].nitems = nitems;
2580 }
while (level_type != INTEL_LEVEL_TYPE_INVALID);
2583 if (levels_index == 0 || levels[0].level_type == INTEL_LEVEL_TYPE_INVALID)
2587 for (
unsigned i = 0; i < levels_index; ++i) {
2588 if (levels[i].level_type != INTEL_LEVEL_TYPE_INVALID) {
2589 levels[i].mask = ~((-1) << levels[i].mask_width);
2590 levels[i].cache_mask = (-1) << levels[i].mask_width;
2591 for (
unsigned j = 0; j < i; ++j)
2592 levels[i].mask ^= levels[j].mask;
2594 KMP_DEBUG_ASSERT(i > 0);
2595 levels[i].mask = (-1) << levels[i - 1].mask_width;
2596 levels[i].cache_mask = 0;
2599 return levels_index;
2602static bool __kmp_affinity_create_x2apicid_map(kmp_i18n_id_t *
const msg_id) {
2604 cpuid_level_info_t levels[INTEL_LEVEL_TYPE_LAST];
2605 kmp_hw_t types[INTEL_LEVEL_TYPE_LAST];
2606 unsigned levels_index;
2608 kmp_uint64 known_levels;
2609 int topology_leaf, highest_leaf, apic_id;
2611 static int leaves[] = {0, 0};
2613 kmp_i18n_id_t leaf_message_id;
2615 KMP_BUILD_ASSERT(
sizeof(known_levels) * CHAR_BIT > KMP_HW_LAST);
2617 *msg_id = kmp_i18n_null;
2618 if (__kmp_affinity.flags.verbose) {
2619 KMP_INFORM(AffInfoStr,
"KMP_AFFINITY", KMP_I18N_STR(Decodingx2APIC));
2623 known_levels = 0ull;
2624 for (
int i = 0; i < INTEL_LEVEL_TYPE_LAST; ++i) {
2625 if (__kmp_intel_type_2_topology_type(i) != KMP_HW_UNKNOWN) {
2626 known_levels |= (1ull << i);
2631 __kmp_x86_cpuid(0, 0, &buf);
2632 highest_leaf = buf.eax;
2637 if (__kmp_affinity_top_method == affinity_top_method_x2apicid) {
2640 leaf_message_id = kmp_i18n_str_NoLeaf11Support;
2641 }
else if (__kmp_affinity_top_method == affinity_top_method_x2apicid_1f) {
2644 leaf_message_id = kmp_i18n_str_NoLeaf31Support;
2649 leaf_message_id = kmp_i18n_str_NoLeaf11Support;
2653 __kmp_nThreadsPerCore = nCoresPerPkg = nPackages = 1;
2655 for (
int i = 0; i < num_leaves; ++i) {
2656 int leaf = leaves[i];
2657 if (highest_leaf < leaf)
2659 __kmp_x86_cpuid(leaf, 0, &buf);
2662 topology_leaf = leaf;
2663 levels_index = __kmp_x2apicid_get_levels(leaf, levels, known_levels);
2664 if (levels_index == 0)
2668 if (topology_leaf == -1 || levels_index == 0) {
2669 *msg_id = leaf_message_id;
2672 KMP_ASSERT(levels_index <= INTEL_LEVEL_TYPE_LAST);
2679 if (!KMP_AFFINITY_CAPABLE()) {
2682 KMP_ASSERT(__kmp_affinity.type == affinity_none);
2683 for (
unsigned i = 0; i < levels_index; ++i) {
2684 if (levels[i].level_type == INTEL_LEVEL_TYPE_SMT) {
2685 __kmp_nThreadsPerCore = levels[i].nitems;
2686 }
else if (levels[i].level_type == INTEL_LEVEL_TYPE_CORE) {
2687 nCoresPerPkg = levels[i].nitems;
2690 __kmp_ncores = __kmp_xproc / __kmp_nThreadsPerCore;
2691 nPackages = (__kmp_xproc + nCoresPerPkg - 1) / nCoresPerPkg;
2696 int depth = levels_index;
2697 for (
int i = depth - 1, j = 0; i >= 0; --i, ++j)
2698 types[j] = __kmp_intel_type_2_topology_type(levels[i].level_type);
2700 kmp_topology_t::allocate(__kmp_avail_proc, levels_index, types);
2703 kmp_cache_info_t cache_info;
2704 for (
size_t i = 0; i < cache_info.get_depth(); ++i) {
2705 const kmp_cache_info_t::info_t &info = cache_info[i];
2706 unsigned cache_mask = info.mask;
2707 unsigned cache_level = info.level;
2708 for (
unsigned j = 0; j < levels_index; ++j) {
2709 unsigned hw_cache_mask = levels[j].cache_mask;
2710 kmp_hw_t cache_type = kmp_cache_info_t::get_topology_type(cache_level);
2711 if (hw_cache_mask == cache_mask && j < levels_index - 1) {
2713 __kmp_intel_type_2_topology_type(levels[j + 1].level_type);
2714 __kmp_topology->set_equivalent_type(cache_type, type);
2724 kmp_affinity_raii_t previous_affinity;
2729 int hw_thread_index = 0;
2730 KMP_CPU_SET_ITERATE(proc, __kmp_affin_fullMask) {
2731 cpuid_level_info_t my_levels[INTEL_LEVEL_TYPE_LAST];
2732 unsigned my_levels_index;
2735 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)) {
2738 KMP_DEBUG_ASSERT(hw_thread_index < __kmp_avail_proc);
2740 __kmp_affinity_dispatch->bind_thread(proc);
2743 __kmp_x86_cpuid(topology_leaf, 0, &buf);
2745 kmp_hw_thread_t &hw_thread = __kmp_topology->at(hw_thread_index);
2747 __kmp_x2apicid_get_levels(topology_leaf, my_levels, known_levels);
2748 if (my_levels_index == 0 || my_levels_index != levels_index) {
2749 *msg_id = kmp_i18n_str_InvalidCpuidInfo;
2753 hw_thread.os_id = proc;
2755 for (
unsigned j = 0, idx = depth - 1; j < my_levels_index; ++j, --idx) {
2756 hw_thread.ids[idx] = apic_id & my_levels[j].mask;
2758 hw_thread.ids[idx] >>= my_levels[j - 1].mask_width;
2762 if (__kmp_is_hybrid_cpu() && highest_leaf >= 0x1a) {
2763 kmp_hw_core_type_t type;
2764 unsigned native_model_id;
2766 __kmp_get_hybrid_info(&type, &efficiency, &native_model_id);
2767 hw_thread.attrs.set_core_type(type);
2768 hw_thread.attrs.set_core_eff(efficiency);
2772 KMP_ASSERT(hw_thread_index > 0);
2773 __kmp_topology->sort_ids();
2774 if (!__kmp_topology->check_ids()) {
2775 kmp_topology_t::deallocate(__kmp_topology);
2776 __kmp_topology =
nullptr;
2777 *msg_id = kmp_i18n_str_x2ApicIDsNotUnique;
2785#define threadIdIndex 1
2786#define coreIdIndex 2
2788#define nodeIdIndex 4
2790typedef unsigned *ProcCpuInfo;
2791static unsigned maxIndex = pkgIdIndex;
2793static int __kmp_affinity_cmp_ProcCpuInfo_phys_id(
const void *a,
2796 const unsigned *aa = *(
unsigned *
const *)a;
2797 const unsigned *bb = *(
unsigned *
const *)b;
2798 for (i = maxIndex;; i--) {
2809#if KMP_USE_HIER_SCHED
2811static void __kmp_dispatch_set_hierarchy_values() {
2817 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_THREAD + 1] =
2818 nPackages * nCoresPerPkg * __kmp_nThreadsPerCore;
2819 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L1 + 1] = __kmp_ncores;
2820#if KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_WINDOWS) && \
2822 if (__kmp_mic_type >= mic3)
2823 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L2 + 1] = __kmp_ncores / 2;
2826 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L2 + 1] = __kmp_ncores;
2827 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_L3 + 1] = nPackages;
2828 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_NUMA + 1] = nPackages;
2829 __kmp_hier_max_units[kmp_hier_layer_e::LAYER_LOOP + 1] = 1;
2832 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_THREAD + 1] = 1;
2833 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L1 + 1] =
2834 __kmp_nThreadsPerCore;
2835#if KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_WINDOWS) && \
2837 if (__kmp_mic_type >= mic3)
2838 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L2 + 1] =
2839 2 * __kmp_nThreadsPerCore;
2842 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L2 + 1] =
2843 __kmp_nThreadsPerCore;
2844 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_L3 + 1] =
2845 nCoresPerPkg * __kmp_nThreadsPerCore;
2846 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_NUMA + 1] =
2847 nCoresPerPkg * __kmp_nThreadsPerCore;
2848 __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_LOOP + 1] =
2849 nPackages * nCoresPerPkg * __kmp_nThreadsPerCore;
2854int __kmp_dispatch_get_index(
int tid, kmp_hier_layer_e type) {
2855 int index = type + 1;
2856 int num_hw_threads = __kmp_hier_max_units[kmp_hier_layer_e::LAYER_THREAD + 1];
2857 KMP_DEBUG_ASSERT(type != kmp_hier_layer_e::LAYER_LAST);
2858 if (type == kmp_hier_layer_e::LAYER_THREAD)
2860 else if (type == kmp_hier_layer_e::LAYER_LOOP)
2862 KMP_DEBUG_ASSERT(__kmp_hier_max_units[index] != 0);
2863 if (tid >= num_hw_threads)
2864 tid = tid % num_hw_threads;
2865 return (tid / __kmp_hier_threads_per[index]) % __kmp_hier_max_units[index];
2869int __kmp_dispatch_get_t1_per_t2(kmp_hier_layer_e t1, kmp_hier_layer_e t2) {
2872 KMP_DEBUG_ASSERT(i1 <= i2);
2873 KMP_DEBUG_ASSERT(t1 != kmp_hier_layer_e::LAYER_LAST);
2874 KMP_DEBUG_ASSERT(t2 != kmp_hier_layer_e::LAYER_LAST);
2875 KMP_DEBUG_ASSERT(__kmp_hier_threads_per[i1] != 0);
2877 return __kmp_hier_threads_per[i2] / __kmp_hier_threads_per[i1];
2881static inline const char *__kmp_cpuinfo_get_filename() {
2882 const char *filename;
2883 if (__kmp_cpuinfo_file !=
nullptr)
2884 filename = __kmp_cpuinfo_file;
2886 filename =
"/proc/cpuinfo";
2890static inline const char *__kmp_cpuinfo_get_envvar() {
2891 const char *envvar =
nullptr;
2892 if (__kmp_cpuinfo_file !=
nullptr)
2893 envvar =
"KMP_CPUINFO_FILE";
2899static bool __kmp_affinity_create_cpuinfo_map(
int *line,
2900 kmp_i18n_id_t *
const msg_id) {
2901 const char *filename = __kmp_cpuinfo_get_filename();
2902 const char *envvar = __kmp_cpuinfo_get_envvar();
2903 *msg_id = kmp_i18n_null;
2905 if (__kmp_affinity.flags.verbose) {
2906 KMP_INFORM(AffParseFilename,
"KMP_AFFINITY", filename);
2914 unsigned num_records = 0;
2916 buf[
sizeof(buf) - 1] = 1;
2917 if (!fgets(buf,
sizeof(buf), f)) {
2922 char s1[] =
"processor";
2923 if (strncmp(buf, s1,
sizeof(s1) - 1) == 0) {
2930 if (KMP_SSCANF(buf,
"node_%u id", &level) == 1) {
2932 if (level > (
unsigned)__kmp_xproc) {
2933 level = __kmp_xproc;
2935 if (nodeIdIndex + level >= maxIndex) {
2936 maxIndex = nodeIdIndex + level;
2944 if (num_records == 0) {
2945 *msg_id = kmp_i18n_str_NoProcRecords;
2948 if (num_records > (
unsigned)__kmp_xproc) {
2949 *msg_id = kmp_i18n_str_TooManyProcRecords;
2958 if (fseek(f, 0, SEEK_SET) != 0) {
2959 *msg_id = kmp_i18n_str_CantRewindCpuinfo;
2965 unsigned **threadInfo =
2966 (
unsigned **)__kmp_allocate((num_records + 1) *
sizeof(
unsigned *));
2968 for (i = 0; i <= num_records; i++) {
2970 (
unsigned *)__kmp_allocate((maxIndex + 1) *
sizeof(unsigned));
2973#define CLEANUP_THREAD_INFO \
2974 for (i = 0; i <= num_records; i++) { \
2975 __kmp_free(threadInfo[i]); \
2977 __kmp_free(threadInfo);
2982#define INIT_PROC_INFO(p) \
2983 for (__index = 0; __index <= maxIndex; __index++) { \
2984 (p)[__index] = UINT_MAX; \
2987 for (i = 0; i <= num_records; i++) {
2988 INIT_PROC_INFO(threadInfo[i]);
2991 unsigned num_avail = 0;
2998 buf[
sizeof(buf) - 1] = 1;
2999 bool long_line =
false;
3000 if (!fgets(buf,
sizeof(buf), f)) {
3005 for (i = 0; i <= maxIndex; i++) {
3006 if (threadInfo[num_avail][i] != UINT_MAX) {
3014 }
else if (!buf[
sizeof(buf) - 1]) {
3021 CLEANUP_THREAD_INFO; \
3022 *msg_id = kmp_i18n_str_LongLineCpuinfo; \
3028#if KMP_ARCH_LOONGARCH64
3035 if (*buf ==
'\n' && *line == 2)
3039 char s1[] =
"processor";
3040 if (strncmp(buf, s1,
sizeof(s1) - 1) == 0) {
3042 char *p = strchr(buf +
sizeof(s1) - 1,
':');
3044 if ((p == NULL) || (KMP_SSCANF(p + 1,
"%u\n", &val) != 1))
3046 if (threadInfo[num_avail][osIdIndex] != UINT_MAX)
3056 threadInfo[num_avail][osIdIndex] = val;
3057#if KMP_OS_LINUX && !(KMP_ARCH_X86 || KMP_ARCH_X86_64)
3061 "/sys/devices/system/cpu/cpu%u/topology/physical_package_id",
3062 threadInfo[num_avail][osIdIndex]);
3063 __kmp_read_from_file(path,
"%u", &threadInfo[num_avail][pkgIdIndex]);
3065 KMP_SNPRINTF(path,
sizeof(path),
3066 "/sys/devices/system/cpu/cpu%u/topology/core_id",
3067 threadInfo[num_avail][osIdIndex]);
3068 __kmp_read_from_file(path,
"%u", &threadInfo[num_avail][coreIdIndex]);
3072 char s2[] =
"physical id";
3073 if (strncmp(buf, s2,
sizeof(s2) - 1) == 0) {
3075 char *p = strchr(buf +
sizeof(s2) - 1,
':');
3077 if ((p == NULL) || (KMP_SSCANF(p + 1,
"%u\n", &val) != 1))
3079 if (threadInfo[num_avail][pkgIdIndex] != UINT_MAX)
3081 threadInfo[num_avail][pkgIdIndex] = val;
3084 char s3[] =
"core id";
3085 if (strncmp(buf, s3,
sizeof(s3) - 1) == 0) {
3087 char *p = strchr(buf +
sizeof(s3) - 1,
':');
3089 if ((p == NULL) || (KMP_SSCANF(p + 1,
"%u\n", &val) != 1))
3091 if (threadInfo[num_avail][coreIdIndex] != UINT_MAX)
3093 threadInfo[num_avail][coreIdIndex] = val;
3097 char s4[] =
"thread id";
3098 if (strncmp(buf, s4,
sizeof(s4) - 1) == 0) {
3100 char *p = strchr(buf +
sizeof(s4) - 1,
':');
3102 if ((p == NULL) || (KMP_SSCANF(p + 1,
"%u\n", &val) != 1))
3104 if (threadInfo[num_avail][threadIdIndex] != UINT_MAX)
3106 threadInfo[num_avail][threadIdIndex] = val;
3110 if (KMP_SSCANF(buf,
"node_%u id", &level) == 1) {
3112 char *p = strchr(buf +
sizeof(s4) - 1,
':');
3114 if ((p == NULL) || (KMP_SSCANF(p + 1,
"%u\n", &val) != 1))
3117 if (level > (
unsigned)__kmp_xproc) {
3118 level = __kmp_xproc;
3120 if (threadInfo[num_avail][nodeIdIndex + level] != UINT_MAX)
3122 threadInfo[num_avail][nodeIdIndex + level] = val;
3129 if ((*buf != 0) && (*buf !=
'\n')) {
3134 while (((ch = fgetc(f)) != EOF) && (ch !=
'\n'))
3142 if ((
int)num_avail == __kmp_xproc) {
3143 CLEANUP_THREAD_INFO;
3144 *msg_id = kmp_i18n_str_TooManyEntries;
3150 if (threadInfo[num_avail][osIdIndex] == UINT_MAX) {
3151 CLEANUP_THREAD_INFO;
3152 *msg_id = kmp_i18n_str_MissingProcField;
3155 if (threadInfo[0][pkgIdIndex] == UINT_MAX) {
3156 CLEANUP_THREAD_INFO;
3157 *msg_id = kmp_i18n_str_MissingPhysicalIDField;
3162 if (KMP_AFFINITY_CAPABLE() &&
3163 !KMP_CPU_ISSET(threadInfo[num_avail][osIdIndex],
3164 __kmp_affin_fullMask)) {
3165 INIT_PROC_INFO(threadInfo[num_avail]);
3172 KMP_ASSERT(num_avail <= num_records);
3173 INIT_PROC_INFO(threadInfo[num_avail]);
3178 CLEANUP_THREAD_INFO;
3179 *msg_id = kmp_i18n_str_MissingValCpuinfo;
3183 CLEANUP_THREAD_INFO;
3184 *msg_id = kmp_i18n_str_DuplicateFieldCpuinfo;
3189#if KMP_MIC && REDUCE_TEAM_SIZE
3190 unsigned teamSize = 0;
3198 KMP_ASSERT(num_avail > 0);
3199 KMP_ASSERT(num_avail <= num_records);
3202 qsort(threadInfo, num_avail,
sizeof(*threadInfo),
3203 __kmp_affinity_cmp_ProcCpuInfo_phys_id);
3215 (
unsigned *)__kmp_allocate((maxIndex + 1) *
sizeof(unsigned));
3217 (
unsigned *)__kmp_allocate((maxIndex + 1) *
sizeof(unsigned));
3219 (
unsigned *)__kmp_allocate((maxIndex + 1) *
sizeof(unsigned));
3221 (
unsigned *)__kmp_allocate((maxIndex + 1) *
sizeof(unsigned));
3223 bool assign_thread_ids =
false;
3224 unsigned threadIdCt;
3231 if (assign_thread_ids) {
3232 if (threadInfo[0][threadIdIndex] == UINT_MAX) {
3233 threadInfo[0][threadIdIndex] = threadIdCt++;
3234 }
else if (threadIdCt <= threadInfo[0][threadIdIndex]) {
3235 threadIdCt = threadInfo[0][threadIdIndex] + 1;
3238 for (index = 0; index <= maxIndex; index++) {
3242 lastId[index] = threadInfo[0][index];
3247 for (i = 1; i < num_avail; i++) {
3250 for (index = maxIndex; index >= threadIdIndex; index--) {
3251 if (assign_thread_ids && (index == threadIdIndex)) {
3253 if (threadInfo[i][threadIdIndex] == UINT_MAX) {
3254 threadInfo[i][threadIdIndex] = threadIdCt++;
3258 else if (threadIdCt <= threadInfo[i][threadIdIndex]) {
3259 threadIdCt = threadInfo[i][threadIdIndex] + 1;
3262 if (threadInfo[i][index] != lastId[index]) {
3267 for (index2 = threadIdIndex; index2 < index; index2++) {
3269 if (counts[index2] > maxCt[index2]) {
3270 maxCt[index2] = counts[index2];
3273 lastId[index2] = threadInfo[i][index2];
3277 lastId[index] = threadInfo[i][index];
3279 if (assign_thread_ids && (index > threadIdIndex)) {
3281#if KMP_MIC && REDUCE_TEAM_SIZE
3284 teamSize += (threadIdCt <= 2) ? (threadIdCt) : (threadIdCt - 1);
3291 if (threadInfo[i][threadIdIndex] == UINT_MAX) {
3292 threadInfo[i][threadIdIndex] = threadIdCt++;
3298 else if (threadIdCt <= threadInfo[i][threadIdIndex]) {
3299 threadIdCt = threadInfo[i][threadIdIndex] + 1;
3305 if (index < threadIdIndex) {
3309 if ((threadInfo[i][threadIdIndex] != UINT_MAX) || assign_thread_ids) {
3314 CLEANUP_THREAD_INFO;
3315 *msg_id = kmp_i18n_str_PhysicalIDsNotUnique;
3321 assign_thread_ids =
true;
3322 goto restart_radix_check;
3326#if KMP_MIC && REDUCE_TEAM_SIZE
3329 teamSize += (threadIdCt <= 2) ? (threadIdCt) : (threadIdCt - 1);
3332 for (index = threadIdIndex; index <= maxIndex; index++) {
3333 if (counts[index] > maxCt[index]) {
3334 maxCt[index] = counts[index];
3338 __kmp_nThreadsPerCore = maxCt[threadIdIndex];
3339 nCoresPerPkg = maxCt[coreIdIndex];
3340 nPackages = totals[pkgIdIndex];
3346 __kmp_ncores = totals[coreIdIndex];
3347 if (!KMP_AFFINITY_CAPABLE()) {
3348 KMP_ASSERT(__kmp_affinity.type == affinity_none);
3352#if KMP_MIC && REDUCE_TEAM_SIZE
3354 if ((__kmp_dflt_team_nth == 0) && (teamSize > 0)) {
3355 __kmp_dflt_team_nth = teamSize;
3356 KA_TRACE(20, (
"__kmp_affinity_create_cpuinfo_map: setting "
3357 "__kmp_dflt_team_nth = %d\n",
3358 __kmp_dflt_team_nth));
3362 KMP_DEBUG_ASSERT(num_avail == (
unsigned)__kmp_avail_proc);
3369 bool *inMap = (
bool *)__kmp_allocate((maxIndex + 1) *
sizeof(bool));
3370 for (index = threadIdIndex; index < maxIndex; index++) {
3371 KMP_ASSERT(totals[index] >= totals[index + 1]);
3372 inMap[index] = (totals[index] > totals[index + 1]);
3374 inMap[maxIndex] = (totals[maxIndex] > 1);
3375 inMap[pkgIdIndex] =
true;
3376 inMap[coreIdIndex] =
true;
3377 inMap[threadIdIndex] =
true;
3381 kmp_hw_t types[KMP_HW_LAST];
3384 int threadLevel = -1;
3385 for (index = threadIdIndex; index <= maxIndex; index++) {
3390 if (inMap[pkgIdIndex]) {
3392 types[idx++] = KMP_HW_SOCKET;
3394 if (inMap[coreIdIndex]) {
3396 types[idx++] = KMP_HW_CORE;
3398 if (inMap[threadIdIndex]) {
3400 types[idx++] = KMP_HW_THREAD;
3402 KMP_ASSERT(depth > 0);
3405 __kmp_topology = kmp_topology_t::allocate(num_avail, depth, types);
3407 for (i = 0; i < num_avail; ++i) {
3408 unsigned os = threadInfo[i][osIdIndex];
3410 kmp_hw_thread_t &hw_thread = __kmp_topology->at(i);
3412 hw_thread.os_id = os;
3415 for (src_index = maxIndex; src_index >= threadIdIndex; src_index--) {
3416 if (!inMap[src_index]) {
3419 if (src_index == pkgIdIndex) {
3420 hw_thread.ids[pkgLevel] = threadInfo[i][src_index];
3421 }
else if (src_index == coreIdIndex) {
3422 hw_thread.ids[coreLevel] = threadInfo[i][src_index];
3423 }
else if (src_index == threadIdIndex) {
3424 hw_thread.ids[threadLevel] = threadInfo[i][src_index];
3434 CLEANUP_THREAD_INFO;
3435 __kmp_topology->sort_ids();
3436 if (!__kmp_topology->check_ids()) {
3437 kmp_topology_t::deallocate(__kmp_topology);
3438 __kmp_topology =
nullptr;
3439 *msg_id = kmp_i18n_str_PhysicalIDsNotUnique;
3448template <
typename FindNextFunctionType>
3449static void __kmp_create_os_id_masks(
unsigned *numUnique,
3450 kmp_affinity_t &affinity,
3451 FindNextFunctionType find_next) {
3455 int numAddrs = __kmp_topology->get_num_hw_threads();
3456 int depth = __kmp_topology->get_depth();
3457 const char *env_var = __kmp_get_affinity_env_var(affinity);
3458 KMP_ASSERT(numAddrs);
3468 for (i = numAddrs - 1;; --i) {
3469 int osId = __kmp_topology->at(i).os_id;
3470 if (osId > maxOsId) {
3476 affinity.num_os_id_masks = maxOsId + 1;
3477 KMP_CPU_ALLOC_ARRAY(affinity.os_id_masks, affinity.num_os_id_masks);
3478 KMP_ASSERT(affinity.gran_levels >= 0);
3479 if (affinity.flags.verbose && (affinity.gran_levels > 0)) {
3480 KMP_INFORM(ThreadsMigrate, env_var, affinity.gran_levels);
3482 if (affinity.gran_levels >= (
int)depth) {
3483 KMP_AFF_WARNING(affinity, AffThreadsMayMigrate);
3493 kmp_affin_mask_t *sum;
3494 KMP_CPU_ALLOC_ON_STACK(sum);
3497 i = j = leader = find_next(-1);
3498 KMP_CPU_SET(__kmp_topology->at(i).os_id, sum);
3499 kmp_full_mask_modifier_t full_mask;
3500 for (i = find_next(i); i < numAddrs; i = find_next(i)) {
3504 if (__kmp_topology->is_close(leader, i, affinity)) {
3505 KMP_CPU_SET(__kmp_topology->at(i).os_id, sum);
3511 for (; j < i; j = find_next(j)) {
3512 int osId = __kmp_topology->at(j).os_id;
3513 KMP_DEBUG_ASSERT(osId <= maxOsId);
3514 kmp_affin_mask_t *mask = KMP_CPU_INDEX(affinity.os_id_masks, osId);
3515 KMP_CPU_COPY(mask, sum);
3516 __kmp_topology->at(j).leader = (j == leader);
3522 full_mask.include(sum);
3524 KMP_CPU_SET(__kmp_topology->at(i).os_id, sum);
3529 for (; j < i; j = find_next(j)) {
3530 int osId = __kmp_topology->at(j).os_id;
3531 KMP_DEBUG_ASSERT(osId <= maxOsId);
3532 kmp_affin_mask_t *mask = KMP_CPU_INDEX(affinity.os_id_masks, osId);
3533 KMP_CPU_COPY(mask, sum);
3534 __kmp_topology->at(j).leader = (j == leader);
3536 full_mask.include(sum);
3538 KMP_CPU_FREE_FROM_STACK(sum);
3541 if (full_mask.restrict_to_mask() && affinity.flags.verbose) {
3542 __kmp_topology->print(env_var);
3545 *numUnique = unique;
3551static kmp_affin_mask_t *newMasks;
3552static int numNewMasks;
3553static int nextNewMask;
3555#define ADD_MASK(_mask) \
3557 if (nextNewMask >= numNewMasks) { \
3560 kmp_affin_mask_t *temp; \
3561 KMP_CPU_INTERNAL_ALLOC_ARRAY(temp, numNewMasks); \
3562 for (i = 0; i < numNewMasks / 2; i++) { \
3563 kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i); \
3564 kmp_affin_mask_t *dest = KMP_CPU_INDEX(temp, i); \
3565 KMP_CPU_COPY(dest, src); \
3567 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks / 2); \
3570 KMP_CPU_COPY(KMP_CPU_INDEX(newMasks, nextNewMask), (_mask)); \
3574#define ADD_MASK_OSID(_osId, _osId2Mask, _maxOsId) \
3576 if (((_osId) > _maxOsId) || \
3577 (!KMP_CPU_ISSET((_osId), KMP_CPU_INDEX((_osId2Mask), (_osId))))) { \
3578 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, _osId); \
3580 ADD_MASK(KMP_CPU_INDEX(_osId2Mask, (_osId))); \
3586static void __kmp_affinity_process_proclist(kmp_affinity_t &affinity) {
3588 kmp_affin_mask_t **out_masks = &affinity.masks;
3589 unsigned *out_numMasks = &affinity.num_masks;
3590 const char *proclist = affinity.proclist;
3591 kmp_affin_mask_t *osId2Mask = affinity.os_id_masks;
3592 int maxOsId = affinity.num_os_id_masks - 1;
3593 const char *scan = proclist;
3594 const char *next = proclist;
3599 KMP_CPU_INTERNAL_ALLOC_ARRAY(newMasks, numNewMasks);
3601 kmp_affin_mask_t *sumMask;
3602 KMP_CPU_ALLOC(sumMask);
3606 int start, end, stride;
3610 if (*next ==
'\0') {
3622 KMP_ASSERT2((*next >=
'0') && (*next <=
'9'),
"bad proclist");
3624 num = __kmp_str_to_int(scan, *next);
3625 KMP_ASSERT2(num >= 0,
"bad explicit proc list");
3628 if ((num > maxOsId) ||
3629 (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num)))) {
3630 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, num);
3631 KMP_CPU_ZERO(sumMask);
3633 KMP_CPU_COPY(sumMask, KMP_CPU_INDEX(osId2Mask, num));
3653 KMP_ASSERT2((*next >=
'0') && (*next <=
'9'),
"bad explicit proc list");
3656 num = __kmp_str_to_int(scan, *next);
3657 KMP_ASSERT2(num >= 0,
"bad explicit proc list");
3660 if ((num > maxOsId) ||
3661 (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num)))) {
3662 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, num);
3664 KMP_CPU_UNION(sumMask, KMP_CPU_INDEX(osId2Mask, num));
3681 KMP_ASSERT2((*next >=
'0') && (*next <=
'9'),
"bad explicit proc list");
3683 start = __kmp_str_to_int(scan, *next);
3684 KMP_ASSERT2(start >= 0,
"bad explicit proc list");
3689 ADD_MASK_OSID(start, osId2Mask, maxOsId);
3703 KMP_ASSERT2((*next >=
'0') && (*next <=
'9'),
"bad explicit proc list");
3705 end = __kmp_str_to_int(scan, *next);
3706 KMP_ASSERT2(end >= 0,
"bad explicit proc list");
3723 KMP_ASSERT2((*next >=
'0') && (*next <=
'9'),
"bad explicit proc list");
3725 stride = __kmp_str_to_int(scan, *next);
3726 KMP_ASSERT2(stride >= 0,
"bad explicit proc list");
3731 KMP_ASSERT2(stride != 0,
"bad explicit proc list");
3733 KMP_ASSERT2(start <= end,
"bad explicit proc list");
3735 KMP_ASSERT2(start >= end,
"bad explicit proc list");
3737 KMP_ASSERT2((end - start) / stride <= 65536,
"bad explicit proc list");
3742 ADD_MASK_OSID(start, osId2Mask, maxOsId);
3744 }
while (start <= end);
3747 ADD_MASK_OSID(start, osId2Mask, maxOsId);
3749 }
while (start >= end);
3760 *out_numMasks = nextNewMask;
3761 if (nextNewMask == 0) {
3763 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks);
3766 KMP_CPU_ALLOC_ARRAY((*out_masks), nextNewMask);
3767 for (i = 0; i < nextNewMask; i++) {
3768 kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i);
3769 kmp_affin_mask_t *dest = KMP_CPU_INDEX((*out_masks), i);
3770 KMP_CPU_COPY(dest, src);
3772 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks);
3773 KMP_CPU_FREE(sumMask);
3796static void __kmp_process_subplace_list(
const char **scan,
3797 kmp_affinity_t &affinity,
int maxOsId,
3798 kmp_affin_mask_t *tempMask,
3801 kmp_affin_mask_t *osId2Mask = affinity.os_id_masks;
3804 int start, count, stride, i;
3808 KMP_ASSERT2((**scan >=
'0') && (**scan <=
'9'),
"bad explicit places list");
3811 start = __kmp_str_to_int(*scan, *next);
3812 KMP_ASSERT(start >= 0);
3817 if (**scan ==
'}' || **scan ==
',') {
3818 if ((start > maxOsId) ||
3819 (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start)))) {
3820 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, start);
3822 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start));
3825 if (**scan ==
'}') {
3831 KMP_ASSERT2(**scan ==
':',
"bad explicit places list");
3836 KMP_ASSERT2((**scan >=
'0') && (**scan <=
'9'),
"bad explicit places list");
3839 count = __kmp_str_to_int(*scan, *next);
3840 KMP_ASSERT(count >= 0);
3845 if (**scan ==
'}' || **scan ==
',') {
3846 for (i = 0; i < count; i++) {
3847 if ((start > maxOsId) ||
3848 (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start)))) {
3849 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, start);
3852 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start));
3857 if (**scan ==
'}') {
3863 KMP_ASSERT2(**scan ==
':',
"bad explicit places list");
3870 if (**scan ==
'+') {
3874 if (**scan ==
'-') {
3882 KMP_ASSERT2((**scan >=
'0') && (**scan <=
'9'),
"bad explicit places list");
3885 stride = __kmp_str_to_int(*scan, *next);
3886 KMP_ASSERT(stride >= 0);
3892 if (**scan ==
'}' || **scan ==
',') {
3893 for (i = 0; i < count; i++) {
3894 if ((start > maxOsId) ||
3895 (!KMP_CPU_ISSET(start, KMP_CPU_INDEX(osId2Mask, start)))) {
3896 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, start);
3899 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, start));
3904 if (**scan ==
'}') {
3911 KMP_ASSERT2(0,
"bad explicit places list");
3915static void __kmp_process_place(
const char **scan, kmp_affinity_t &affinity,
3916 int maxOsId, kmp_affin_mask_t *tempMask,
3919 kmp_affin_mask_t *osId2Mask = affinity.os_id_masks;
3923 if (**scan ==
'{') {
3925 __kmp_process_subplace_list(scan, affinity, maxOsId, tempMask, setSize);
3926 KMP_ASSERT2(**scan ==
'}',
"bad explicit places list");
3928 }
else if (**scan ==
'!') {
3930 __kmp_process_place(scan, affinity, maxOsId, tempMask, setSize);
3931 KMP_CPU_COMPLEMENT(maxOsId, tempMask);
3932 }
else if ((**scan >=
'0') && (**scan <=
'9')) {
3935 int num = __kmp_str_to_int(*scan, *next);
3936 KMP_ASSERT(num >= 0);
3937 if ((num > maxOsId) ||
3938 (!KMP_CPU_ISSET(num, KMP_CPU_INDEX(osId2Mask, num)))) {
3939 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, num);
3941 KMP_CPU_UNION(tempMask, KMP_CPU_INDEX(osId2Mask, num));
3946 KMP_ASSERT2(0,
"bad explicit places list");
3951void __kmp_affinity_process_placelist(kmp_affinity_t &affinity) {
3952 int i, j, count, stride, sign;
3953 kmp_affin_mask_t **out_masks = &affinity.masks;
3954 unsigned *out_numMasks = &affinity.num_masks;
3955 const char *placelist = affinity.proclist;
3956 kmp_affin_mask_t *osId2Mask = affinity.os_id_masks;
3957 int maxOsId = affinity.num_os_id_masks - 1;
3958 const char *scan = placelist;
3959 const char *next = placelist;
3962 KMP_CPU_INTERNAL_ALLOC_ARRAY(newMasks, numNewMasks);
3968 kmp_affin_mask_t *tempMask;
3969 kmp_affin_mask_t *previousMask;
3970 KMP_CPU_ALLOC(tempMask);
3971 KMP_CPU_ZERO(tempMask);
3972 KMP_CPU_ALLOC(previousMask);
3973 KMP_CPU_ZERO(previousMask);
3977 __kmp_process_place(&scan, affinity, maxOsId, tempMask, &setSize);
3981 if (*scan ==
'\0' || *scan ==
',') {
3985 KMP_CPU_ZERO(tempMask);
3987 if (*scan ==
'\0') {
3994 KMP_ASSERT2(*scan ==
':',
"bad explicit places list");
3999 KMP_ASSERT2((*scan >=
'0') && (*scan <=
'9'),
"bad explicit places list");
4002 count = __kmp_str_to_int(scan, *next);
4003 KMP_ASSERT(count >= 0);
4008 if (*scan ==
'\0' || *scan ==
',') {
4011 KMP_ASSERT2(*scan ==
':',
"bad explicit places list");
4030 KMP_ASSERT2((*scan >=
'0') && (*scan <=
'9'),
"bad explicit places list");
4033 stride = __kmp_str_to_int(scan, *next);
4034 KMP_DEBUG_ASSERT(stride >= 0);
4040 for (i = 0; i < count; i++) {
4045 KMP_CPU_COPY(previousMask, tempMask);
4046 ADD_MASK(previousMask);
4047 KMP_CPU_ZERO(tempMask);
4049 KMP_CPU_SET_ITERATE(j, previousMask) {
4050 if (!KMP_CPU_ISSET(j, previousMask)) {
4053 if ((j + stride > maxOsId) || (j + stride < 0) ||
4054 (!KMP_CPU_ISSET(j, __kmp_affin_fullMask)) ||
4055 (!KMP_CPU_ISSET(j + stride,
4056 KMP_CPU_INDEX(osId2Mask, j + stride)))) {
4057 if (i < count - 1) {
4058 KMP_AFF_WARNING(affinity, AffIgnoreInvalidProcID, j + stride);
4062 KMP_CPU_SET(j + stride, tempMask);
4066 KMP_CPU_ZERO(tempMask);
4071 if (*scan ==
'\0') {
4079 KMP_ASSERT2(0,
"bad explicit places list");
4082 *out_numMasks = nextNewMask;
4083 if (nextNewMask == 0) {
4085 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks);
4088 KMP_CPU_ALLOC_ARRAY((*out_masks), nextNewMask);
4089 KMP_CPU_FREE(tempMask);
4090 KMP_CPU_FREE(previousMask);
4091 for (i = 0; i < nextNewMask; i++) {
4092 kmp_affin_mask_t *src = KMP_CPU_INDEX(newMasks, i);
4093 kmp_affin_mask_t *dest = KMP_CPU_INDEX((*out_masks), i);
4094 KMP_CPU_COPY(dest, src);
4096 KMP_CPU_INTERNAL_FREE_ARRAY(newMasks, numNewMasks);
4104static int __kmp_affinity_find_core_level(
int nprocs,
int bottom_level) {
4107 for (
int i = 0; i < nprocs; i++) {
4108 const kmp_hw_thread_t &hw_thread = __kmp_topology->at(i);
4109 for (
int j = bottom_level; j > 0; j--) {
4110 if (hw_thread.ids[j] > 0) {
4111 if (core_level < (j - 1)) {
4121static int __kmp_affinity_compute_ncores(
int nprocs,
int bottom_level,
4123 return __kmp_topology->get_count(core_level);
4126static int __kmp_affinity_find_core(
int proc,
int bottom_level,
4129 KMP_DEBUG_ASSERT(proc >= 0 && proc < __kmp_topology->get_num_hw_threads());
4130 for (
int i = 0; i <= proc; ++i) {
4131 if (i + 1 <= proc) {
4132 for (
int j = 0; j <= core_level; ++j) {
4133 if (__kmp_topology->at(i + 1).sub_ids[j] !=
4134 __kmp_topology->at(i).sub_ids[j]) {
4146static int __kmp_affinity_max_proc_per_core(
int nprocs,
int bottom_level,
4148 if (core_level >= bottom_level)
4150 int thread_level = __kmp_topology->get_level(KMP_HW_THREAD);
4151 return __kmp_topology->calculate_ratio(thread_level, core_level);
4154static int *procarr = NULL;
4155static int __kmp_aff_depth = 0;
4156static int *__kmp_osid_to_hwthread_map = NULL;
4158static void __kmp_affinity_get_mask_topology_info(
const kmp_affin_mask_t *mask,
4159 kmp_affinity_ids_t &ids,
4160 kmp_affinity_attrs_t &attrs) {
4161 if (!KMP_AFFINITY_CAPABLE())
4165 for (
int i = 0; i < KMP_HW_LAST; ++i)
4166 ids[i] = kmp_hw_thread_t::UNKNOWN_ID;
4167 attrs = KMP_AFFINITY_ATTRS_UNKNOWN;
4172 int depth = __kmp_topology->get_depth();
4173 KMP_CPU_SET_ITERATE(cpu, mask) {
4174 int osid_idx = __kmp_osid_to_hwthread_map[cpu];
4175 const kmp_hw_thread_t &hw_thread = __kmp_topology->at(osid_idx);
4176 for (
int level = 0; level < depth; ++level) {
4177 kmp_hw_t type = __kmp_topology->get_type(level);
4178 int id = hw_thread.sub_ids[level];
4179 if (ids[type] == kmp_hw_thread_t::UNKNOWN_ID || ids[type] ==
id) {
4184 ids[type] = kmp_hw_thread_t::MULTIPLE_ID;
4185 for (; level < depth; ++level) {
4186 kmp_hw_t type = __kmp_topology->get_type(level);
4187 ids[type] = kmp_hw_thread_t::MULTIPLE_ID;
4192 attrs.core_type = hw_thread.attrs.get_core_type();
4193 attrs.core_eff = hw_thread.attrs.get_core_eff();
4197 if (attrs.core_type != hw_thread.attrs.get_core_type())
4198 attrs.core_type = KMP_HW_CORE_TYPE_UNKNOWN;
4199 if (attrs.core_eff != hw_thread.attrs.get_core_eff())
4200 attrs.core_eff = kmp_hw_attr_t::UNKNOWN_CORE_EFF;
4205static void __kmp_affinity_get_thread_topology_info(kmp_info_t *th) {
4206 if (!KMP_AFFINITY_CAPABLE())
4208 const kmp_affin_mask_t *mask = th->th.th_affin_mask;
4209 kmp_affinity_ids_t &ids = th->th.th_topology_ids;
4210 kmp_affinity_attrs_t &attrs = th->th.th_topology_attrs;
4211 __kmp_affinity_get_mask_topology_info(mask, ids, attrs);
4217static void __kmp_affinity_get_topology_info(kmp_affinity_t &affinity) {
4218 if (!KMP_AFFINITY_CAPABLE())
4220 if (affinity.type != affinity_none) {
4221 KMP_ASSERT(affinity.num_os_id_masks);
4222 KMP_ASSERT(affinity.os_id_masks);
4224 KMP_ASSERT(affinity.num_masks);
4225 KMP_ASSERT(affinity.masks);
4226 KMP_ASSERT(__kmp_affin_fullMask);
4228 int max_cpu = __kmp_affin_fullMask->get_max_cpu();
4229 int num_hw_threads = __kmp_topology->get_num_hw_threads();
4232 if (!affinity.ids) {
4233 affinity.ids = (kmp_affinity_ids_t *)__kmp_allocate(
4234 sizeof(kmp_affinity_ids_t) * affinity.num_masks);
4236 if (!affinity.attrs) {
4237 affinity.attrs = (kmp_affinity_attrs_t *)__kmp_allocate(
4238 sizeof(kmp_affinity_attrs_t) * affinity.num_masks);
4240 if (!__kmp_osid_to_hwthread_map) {
4242 __kmp_osid_to_hwthread_map =
4243 (
int *)__kmp_allocate(
sizeof(
int) * (max_cpu + 1));
4247 for (
int hw_thread = 0; hw_thread < num_hw_threads; ++hw_thread) {
4248 int os_id = __kmp_topology->at(hw_thread).os_id;
4249 if (KMP_CPU_ISSET(os_id, __kmp_affin_fullMask))
4250 __kmp_osid_to_hwthread_map[os_id] = hw_thread;
4253 for (
unsigned i = 0; i < affinity.num_masks; ++i) {
4254 kmp_affinity_ids_t &ids = affinity.ids[i];
4255 kmp_affinity_attrs_t &attrs = affinity.attrs[i];
4256 kmp_affin_mask_t *mask = KMP_CPU_INDEX(affinity.masks, i);
4257 __kmp_affinity_get_mask_topology_info(mask, ids, attrs);
4262static void __kmp_aux_affinity_initialize_other_data(kmp_affinity_t &affinity) {
4264 if (__kmp_topology) {
4265 machine_hierarchy.init(__kmp_topology->get_num_hw_threads());
4266 __kmp_affinity_get_topology_info(affinity);
4272static void __kmp_create_affinity_none_places(kmp_affinity_t &affinity) {
4273 KMP_ASSERT(__kmp_affin_fullMask != NULL);
4274 KMP_ASSERT(affinity.type == affinity_none);
4275 KMP_ASSERT(__kmp_avail_proc == __kmp_topology->get_num_hw_threads());
4276 affinity.num_masks = 1;
4277 KMP_CPU_ALLOC_ARRAY(affinity.masks, affinity.num_masks);
4278 kmp_affin_mask_t *dest = KMP_CPU_INDEX(affinity.masks, 0);
4279 KMP_CPU_COPY(dest, __kmp_affin_fullMask);
4280 __kmp_aux_affinity_initialize_other_data(affinity);
4283static void __kmp_aux_affinity_initialize_masks(kmp_affinity_t &affinity) {
4288 int verbose = affinity.flags.verbose;
4289 const char *env_var = affinity.env_var;
4292 if (__kmp_affin_fullMask && __kmp_affin_origMask)
4295 if (__kmp_affin_fullMask == NULL) {
4296 KMP_CPU_ALLOC(__kmp_affin_fullMask);
4298 if (__kmp_affin_origMask == NULL) {
4299 KMP_CPU_ALLOC(__kmp_affin_origMask);
4301 if (KMP_AFFINITY_CAPABLE()) {
4302 __kmp_get_system_affinity(__kmp_affin_fullMask, TRUE);
4304 __kmp_affin_origMask->copy(__kmp_affin_fullMask);
4305 if (affinity.flags.respect) {
4308 __kmp_avail_proc = 0;
4309 KMP_CPU_SET_ITERATE(i, __kmp_affin_fullMask) {
4310 if (!KMP_CPU_ISSET(i, __kmp_affin_fullMask)) {
4315 if (__kmp_avail_proc > __kmp_xproc) {
4316 KMP_AFF_WARNING(affinity, ErrorInitializeAffinity);
4317 affinity.type = affinity_none;
4318 KMP_AFFINITY_DISABLE();
4323 char buf[KMP_AFFIN_MASK_PRINT_LEN];
4324 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
4325 __kmp_affin_fullMask);
4326 KMP_INFORM(InitOSProcSetRespect, env_var, buf);
4330 char buf[KMP_AFFIN_MASK_PRINT_LEN];
4331 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
4332 __kmp_affin_fullMask);
4333 KMP_INFORM(InitOSProcSetNotRespect, env_var, buf);
4336 __kmp_affinity_entire_machine_mask(__kmp_affin_fullMask);
4338 if (__kmp_num_proc_groups <= 1) {
4340 __kmp_affin_origMask->copy(__kmp_affin_fullMask);
4344 __kmp_affin_fullMask->set_process_affinity(
true);
4350static bool __kmp_aux_affinity_initialize_topology(kmp_affinity_t &affinity) {
4351 bool success =
false;
4352 const char *env_var = affinity.env_var;
4353 kmp_i18n_id_t msg_id = kmp_i18n_null;
4354 int verbose = affinity.flags.verbose;
4358 if ((__kmp_cpuinfo_file != NULL) &&
4359 (__kmp_affinity_top_method == affinity_top_method_all)) {
4360 __kmp_affinity_top_method = affinity_top_method_cpuinfo;
4363 if (__kmp_affinity_top_method == affinity_top_method_all) {
4369 __kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC) {
4370 if (!__kmp_hwloc_error) {
4371 success = __kmp_affinity_create_hwloc_map(&msg_id);
4372 if (!success && verbose) {
4373 KMP_INFORM(AffIgnoringHwloc, env_var);
4375 }
else if (verbose) {
4376 KMP_INFORM(AffIgnoringHwloc, env_var);
4381#if KMP_ARCH_X86 || KMP_ARCH_X86_64
4383 success = __kmp_affinity_create_x2apicid_map(&msg_id);
4384 if (!success && verbose && msg_id != kmp_i18n_null) {
4385 KMP_INFORM(AffInfoStr, env_var, __kmp_i18n_catgets(msg_id));
4389 success = __kmp_affinity_create_apicid_map(&msg_id);
4390 if (!success && verbose && msg_id != kmp_i18n_null) {
4391 KMP_INFORM(AffInfoStr, env_var, __kmp_i18n_catgets(msg_id));
4399 success = __kmp_affinity_create_cpuinfo_map(&line, &msg_id);
4400 if (!success && verbose && msg_id != kmp_i18n_null) {
4401 KMP_INFORM(AffInfoStr, env_var, __kmp_i18n_catgets(msg_id));
4406#if KMP_GROUP_AFFINITY
4407 if (!success && (__kmp_num_proc_groups > 1)) {
4408 success = __kmp_affinity_create_proc_group_map(&msg_id);
4409 if (!success && verbose && msg_id != kmp_i18n_null) {
4410 KMP_INFORM(AffInfoStr, env_var, __kmp_i18n_catgets(msg_id));
4416 success = __kmp_affinity_create_flat_map(&msg_id);
4417 if (!success && verbose && msg_id != kmp_i18n_null) {
4418 KMP_INFORM(AffInfoStr, env_var, __kmp_i18n_catgets(msg_id));
4420 KMP_ASSERT(success);
4428 else if (__kmp_affinity_top_method == affinity_top_method_hwloc) {
4429 KMP_ASSERT(__kmp_affinity_dispatch->get_api_type() == KMPAffinity::HWLOC);
4430 success = __kmp_affinity_create_hwloc_map(&msg_id);
4432 KMP_ASSERT(msg_id != kmp_i18n_null);
4433 KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id));
4438#if KMP_ARCH_X86 || KMP_ARCH_X86_64
4439 else if (__kmp_affinity_top_method == affinity_top_method_x2apicid ||
4440 __kmp_affinity_top_method == affinity_top_method_x2apicid_1f) {
4441 success = __kmp_affinity_create_x2apicid_map(&msg_id);
4443 KMP_ASSERT(msg_id != kmp_i18n_null);
4444 KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id));
4446 }
else if (__kmp_affinity_top_method == affinity_top_method_apicid) {
4447 success = __kmp_affinity_create_apicid_map(&msg_id);
4449 KMP_ASSERT(msg_id != kmp_i18n_null);
4450 KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id));
4455 else if (__kmp_affinity_top_method == affinity_top_method_cpuinfo) {
4457 success = __kmp_affinity_create_cpuinfo_map(&line, &msg_id);
4459 KMP_ASSERT(msg_id != kmp_i18n_null);
4460 const char *filename = __kmp_cpuinfo_get_filename();
4462 KMP_FATAL(FileLineMsgExiting, filename, line,
4463 __kmp_i18n_catgets(msg_id));
4465 KMP_FATAL(FileMsgExiting, filename, __kmp_i18n_catgets(msg_id));
4470#if KMP_GROUP_AFFINITY
4471 else if (__kmp_affinity_top_method == affinity_top_method_group) {
4472 success = __kmp_affinity_create_proc_group_map(&msg_id);
4473 KMP_ASSERT(success);
4475 KMP_ASSERT(msg_id != kmp_i18n_null);
4476 KMP_FATAL(MsgExiting, __kmp_i18n_catgets(msg_id));
4481 else if (__kmp_affinity_top_method == affinity_top_method_flat) {
4482 success = __kmp_affinity_create_flat_map(&msg_id);
4484 KMP_ASSERT(success);
4488 if (!__kmp_topology) {
4489 if (KMP_AFFINITY_CAPABLE()) {
4490 KMP_AFF_WARNING(affinity, ErrorInitializeAffinity);
4492 if (nPackages > 0 && nCoresPerPkg > 0 && __kmp_nThreadsPerCore > 0 &&
4494 __kmp_topology = kmp_topology_t::allocate(0, 0, NULL);
4495 __kmp_topology->canonicalize(nPackages, nCoresPerPkg,
4496 __kmp_nThreadsPerCore, __kmp_ncores);
4498 __kmp_topology->print(env_var);
4505 __kmp_topology->canonicalize();
4507 __kmp_topology->print(env_var);
4508 bool filtered = __kmp_topology->filter_hw_subset();
4509 if (filtered && verbose)
4510 __kmp_topology->print(
"KMP_HW_SUBSET");
4514static void __kmp_aux_affinity_initialize(kmp_affinity_t &affinity) {
4515 bool is_regular_affinity = (&affinity == &__kmp_affinity);
4516 bool is_hidden_helper_affinity = (&affinity == &__kmp_hh_affinity);
4517 const char *env_var = __kmp_get_affinity_env_var(affinity);
4519 if (affinity.flags.initialized) {
4520 KMP_ASSERT(__kmp_affin_fullMask != NULL);
4524 if (is_regular_affinity && (!__kmp_affin_fullMask || !__kmp_affin_origMask))
4525 __kmp_aux_affinity_initialize_masks(affinity);
4527 if (is_regular_affinity && !__kmp_topology) {
4528 bool success = __kmp_aux_affinity_initialize_topology(affinity);
4531 machine_hierarchy.init(__kmp_topology->get_num_hw_threads());
4532 KMP_ASSERT(__kmp_avail_proc == __kmp_topology->get_num_hw_threads());
4534 affinity.type = affinity_none;
4535 KMP_AFFINITY_DISABLE();
4542 if (affinity.type == affinity_none) {
4543 __kmp_create_affinity_none_places(affinity);
4544#if KMP_USE_HIER_SCHED
4545 __kmp_dispatch_set_hierarchy_values();
4547 affinity.flags.initialized = TRUE;
4551 __kmp_topology->set_granularity(affinity);
4552 int depth = __kmp_topology->get_depth();
4556 int numAddrs = __kmp_topology->get_num_hw_threads();
4559 if (affinity.core_attr_gran.valid) {
4560 __kmp_create_os_id_masks(&numUnique, affinity, [&](
int idx) {
4561 KMP_ASSERT(idx >= -1);
4562 for (
int i = idx + 1; i < numAddrs; ++i)
4563 if (__kmp_topology->at(i).attrs.contains(affinity.core_attr_gran))
4567 if (!affinity.os_id_masks) {
4568 const char *core_attribute;
4569 if (affinity.core_attr_gran.core_eff != kmp_hw_attr_t::UNKNOWN_CORE_EFF)
4570 core_attribute =
"core_efficiency";
4572 core_attribute =
"core_type";
4573 KMP_AFF_WARNING(affinity, AffIgnoringNotAvailable, env_var,
4575 __kmp_hw_get_catalog_string(KMP_HW_CORE,
true))
4580 if (!affinity.os_id_masks) {
4581 __kmp_create_os_id_masks(&numUnique, affinity, [](
int idx) {
4582 KMP_ASSERT(idx >= -1);
4586 if (affinity.gran_levels == 0) {
4587 KMP_DEBUG_ASSERT((
int)numUnique == __kmp_avail_proc);
4590 switch (affinity.type) {
4592 case affinity_explicit:
4593 KMP_DEBUG_ASSERT(affinity.proclist != NULL);
4594 if (is_hidden_helper_affinity ||
4595 __kmp_nested_proc_bind.bind_types[0] == proc_bind_intel) {
4596 __kmp_affinity_process_proclist(affinity);
4598 __kmp_affinity_process_placelist(affinity);
4600 if (affinity.num_masks == 0) {
4601 KMP_AFF_WARNING(affinity, AffNoValidProcID);
4602 affinity.type = affinity_none;
4603 __kmp_create_affinity_none_places(affinity);
4604 affinity.flags.initialized = TRUE;
4613 case affinity_logical:
4614 affinity.compact = 0;
4615 if (affinity.offset) {
4617 __kmp_nThreadsPerCore * affinity.offset % __kmp_avail_proc;
4621 case affinity_physical:
4622 if (__kmp_nThreadsPerCore > 1) {
4623 affinity.compact = 1;
4624 if (affinity.compact >= depth) {
4625 affinity.compact = 0;
4628 affinity.compact = 0;
4630 if (affinity.offset) {
4632 __kmp_nThreadsPerCore * affinity.offset % __kmp_avail_proc;
4636 case affinity_scatter:
4637 if (affinity.compact >= depth) {
4638 affinity.compact = 0;
4640 affinity.compact = depth - 1 - affinity.compact;
4644 case affinity_compact:
4645 if (affinity.compact >= depth) {
4646 affinity.compact = depth - 1;
4650 case affinity_balanced:
4651 if (depth <= 1 || is_hidden_helper_affinity) {
4652 KMP_AFF_WARNING(affinity, AffBalancedNotAvail, env_var);
4653 affinity.type = affinity_none;
4654 __kmp_create_affinity_none_places(affinity);
4655 affinity.flags.initialized = TRUE;
4657 }
else if (!__kmp_topology->is_uniform()) {
4659 __kmp_aff_depth = depth;
4662 __kmp_affinity_find_core_level(__kmp_avail_proc, depth - 1);
4663 int ncores = __kmp_affinity_compute_ncores(__kmp_avail_proc, depth - 1,
4665 int maxprocpercore = __kmp_affinity_max_proc_per_core(
4666 __kmp_avail_proc, depth - 1, core_level);
4668 int nproc = ncores * maxprocpercore;
4669 if ((nproc < 2) || (nproc < __kmp_avail_proc)) {
4670 KMP_AFF_WARNING(affinity, AffBalancedNotAvail, env_var);
4671 affinity.type = affinity_none;
4672 __kmp_create_affinity_none_places(affinity);
4673 affinity.flags.initialized = TRUE;
4677 procarr = (
int *)__kmp_allocate(
sizeof(
int) * nproc);
4678 for (
int i = 0; i < nproc; i++) {
4684 for (
int i = 0; i < __kmp_avail_proc; i++) {
4685 int proc = __kmp_topology->at(i).os_id;
4686 int core = __kmp_affinity_find_core(i, depth - 1, core_level);
4688 if (core == lastcore) {
4695 procarr[core * maxprocpercore + inlastcore] = proc;
4698 if (affinity.compact >= depth) {
4699 affinity.compact = depth - 1;
4704 if (affinity.flags.dups) {
4705 affinity.num_masks = __kmp_avail_proc;
4707 affinity.num_masks = numUnique;
4710 if ((__kmp_nested_proc_bind.bind_types[0] != proc_bind_intel) &&
4711 (__kmp_affinity_num_places > 0) &&
4712 ((
unsigned)__kmp_affinity_num_places < affinity.num_masks) &&
4713 !is_hidden_helper_affinity) {
4714 affinity.num_masks = __kmp_affinity_num_places;
4717 KMP_CPU_ALLOC_ARRAY(affinity.masks, affinity.num_masks);
4721 __kmp_topology->sort_compact(affinity);
4725 int num_hw_threads = __kmp_topology->get_num_hw_threads();
4726 kmp_full_mask_modifier_t full_mask;
4727 for (i = 0, j = 0; i < num_hw_threads; i++) {
4728 if ((!affinity.flags.dups) && (!__kmp_topology->at(i).leader)) {
4731 int osId = __kmp_topology->at(i).os_id;
4733 kmp_affin_mask_t *src = KMP_CPU_INDEX(affinity.os_id_masks, osId);
4734 kmp_affin_mask_t *dest = KMP_CPU_INDEX(affinity.masks, j);
4735 KMP_ASSERT(KMP_CPU_ISSET(osId, src));
4736 KMP_CPU_COPY(dest, src);
4737 full_mask.include(src);
4738 if (++j >= affinity.num_masks) {
4742 KMP_DEBUG_ASSERT(j == affinity.num_masks);
4744 if (full_mask.restrict_to_mask() && affinity.flags.verbose) {
4745 __kmp_topology->print(env_var);
4749 __kmp_topology->sort_ids();
4753 KMP_ASSERT2(0,
"Unexpected affinity setting");
4755 __kmp_aux_affinity_initialize_other_data(affinity);
4756 affinity.flags.initialized = TRUE;
4759void __kmp_affinity_initialize(kmp_affinity_t &affinity) {
4768 int disabled = (affinity.type == affinity_disabled);
4769 if (!KMP_AFFINITY_CAPABLE())
4770 KMP_ASSERT(disabled);
4772 affinity.type = affinity_none;
4773 __kmp_aux_affinity_initialize(affinity);
4775 affinity.type = affinity_disabled;
4778void __kmp_affinity_uninitialize(
void) {
4779 for (kmp_affinity_t *affinity : __kmp_affinities) {
4780 if (affinity->masks != NULL)
4781 KMP_CPU_FREE_ARRAY(affinity->masks, affinity->num_masks);
4782 if (affinity->os_id_masks != NULL)
4783 KMP_CPU_FREE_ARRAY(affinity->os_id_masks, affinity->num_os_id_masks);
4784 if (affinity->proclist != NULL)
4785 __kmp_free(affinity->proclist);
4786 if (affinity->ids != NULL)
4787 __kmp_free(affinity->ids);
4788 if (affinity->attrs != NULL)
4789 __kmp_free(affinity->attrs);
4790 *affinity = KMP_AFFINITY_INIT(affinity->env_var);
4792 if (__kmp_affin_origMask != NULL) {
4793 if (KMP_AFFINITY_CAPABLE()) {
4794 __kmp_set_system_affinity(__kmp_affin_origMask, FALSE);
4796 KMP_CPU_FREE(__kmp_affin_origMask);
4797 __kmp_affin_origMask = NULL;
4799 __kmp_affinity_num_places = 0;
4800 if (procarr != NULL) {
4801 __kmp_free(procarr);
4804 if (__kmp_osid_to_hwthread_map) {
4805 __kmp_free(__kmp_osid_to_hwthread_map);
4806 __kmp_osid_to_hwthread_map = NULL;
4809 if (__kmp_hwloc_topology != NULL) {
4810 hwloc_topology_destroy(__kmp_hwloc_topology);
4811 __kmp_hwloc_topology = NULL;
4814 if (__kmp_hw_subset) {
4815 kmp_hw_subset_t::deallocate(__kmp_hw_subset);
4816 __kmp_hw_subset =
nullptr;
4818 if (__kmp_topology) {
4819 kmp_topology_t::deallocate(__kmp_topology);
4820 __kmp_topology =
nullptr;
4822 KMPAffinity::destroy_api();
4825static void __kmp_select_mask_by_gtid(
int gtid,
const kmp_affinity_t *affinity,
4826 int *place, kmp_affin_mask_t **mask) {
4828 bool is_hidden_helper = KMP_HIDDEN_HELPER_THREAD(gtid);
4829 if (is_hidden_helper)
4832 mask_idx = gtid - 2;
4834 mask_idx = __kmp_adjust_gtid_for_hidden_helpers(gtid);
4835 KMP_DEBUG_ASSERT(affinity->num_masks > 0);
4836 *place = (mask_idx + affinity->offset) % affinity->num_masks;
4837 *mask = KMP_CPU_INDEX(affinity->masks, *place);
4842void __kmp_affinity_set_init_mask(
int gtid,
int isa_root) {
4844 kmp_info_t *th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[gtid]);
4847 for (
int id = 0;
id < KMP_HW_LAST; ++id)
4848 th->th.th_topology_ids[
id] = kmp_hw_thread_t::UNKNOWN_ID;
4849 th->th.th_topology_attrs = KMP_AFFINITY_ATTRS_UNKNOWN;
4851 if (!KMP_AFFINITY_CAPABLE()) {
4855 if (th->th.th_affin_mask == NULL) {
4856 KMP_CPU_ALLOC(th->th.th_affin_mask);
4858 KMP_CPU_ZERO(th->th.th_affin_mask);
4866 kmp_affin_mask_t *mask;
4868 const kmp_affinity_t *affinity;
4869 const char *env_var;
4870 bool is_hidden_helper = KMP_HIDDEN_HELPER_THREAD(gtid);
4872 if (is_hidden_helper)
4873 affinity = &__kmp_hh_affinity;
4875 affinity = &__kmp_affinity;
4876 env_var = __kmp_get_affinity_env_var(*affinity,
true);
4878 if (KMP_AFFINITY_NON_PROC_BIND || is_hidden_helper) {
4879 if ((affinity->type == affinity_none) ||
4880 (affinity->type == affinity_balanced) ||
4881 KMP_HIDDEN_HELPER_MAIN_THREAD(gtid)) {
4882#if KMP_GROUP_AFFINITY
4883 if (__kmp_num_proc_groups > 1) {
4887 KMP_ASSERT(__kmp_affin_fullMask != NULL);
4889 mask = __kmp_affin_fullMask;
4891 __kmp_select_mask_by_gtid(gtid, affinity, &i, &mask);
4894 if (!isa_root || __kmp_nested_proc_bind.bind_types[0] == proc_bind_false) {
4895#if KMP_GROUP_AFFINITY
4896 if (__kmp_num_proc_groups > 1) {
4900 KMP_ASSERT(__kmp_affin_fullMask != NULL);
4902 mask = __kmp_affin_fullMask;
4904 __kmp_select_mask_by_gtid(gtid, affinity, &i, &mask);
4908 th->th.th_current_place = i;
4909 if (isa_root && !is_hidden_helper) {
4910 th->th.th_new_place = i;
4911 th->th.th_first_place = 0;
4912 th->th.th_last_place = affinity->num_masks - 1;
4913 }
else if (KMP_AFFINITY_NON_PROC_BIND) {
4916 th->th.th_first_place = 0;
4917 th->th.th_last_place = affinity->num_masks - 1;
4921 th->th.th_topology_ids = __kmp_affinity.ids[i];
4922 th->th.th_topology_attrs = __kmp_affinity.attrs[i];
4925 if (i == KMP_PLACE_ALL) {
4926 KA_TRACE(100, (
"__kmp_affinity_set_init_mask: binding T#%d to all places\n",
4929 KA_TRACE(100, (
"__kmp_affinity_set_init_mask: binding T#%d to place %d\n",
4933 KMP_CPU_COPY(th->th.th_affin_mask, mask);
4936 if (affinity->flags.verbose &&
4937 (affinity->type == affinity_none ||
4938 (i != KMP_PLACE_ALL && affinity->type != affinity_balanced)) &&
4939 !KMP_HIDDEN_HELPER_MAIN_THREAD(gtid)) {
4940 char buf[KMP_AFFIN_MASK_PRINT_LEN];
4941 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
4942 th->th.th_affin_mask);
4943 KMP_INFORM(BoundToOSProcSet, env_var, (kmp_int32)getpid(), __kmp_gettid(),
4951 if (affinity->type == affinity_none) {
4952 __kmp_set_system_affinity(th->th.th_affin_mask, FALSE);
4955 __kmp_set_system_affinity(th->th.th_affin_mask, TRUE);
4958void __kmp_affinity_set_place(
int gtid) {
4960 if (!KMP_AFFINITY_CAPABLE() || KMP_HIDDEN_HELPER_THREAD(gtid)) {
4964 kmp_info_t *th = (kmp_info_t *)TCR_SYNC_PTR(__kmp_threads[gtid]);
4966 KA_TRACE(100, (
"__kmp_affinity_set_place: binding T#%d to place %d (current "
4968 gtid, th->th.th_new_place, th->th.th_current_place));
4971 KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL);
4972 KMP_ASSERT(th->th.th_new_place >= 0);
4973 KMP_ASSERT((
unsigned)th->th.th_new_place <= __kmp_affinity.num_masks);
4974 if (th->th.th_first_place <= th->th.th_last_place) {
4975 KMP_ASSERT((th->th.th_new_place >= th->th.th_first_place) &&
4976 (th->th.th_new_place <= th->th.th_last_place));
4978 KMP_ASSERT((th->th.th_new_place <= th->th.th_first_place) ||
4979 (th->th.th_new_place >= th->th.th_last_place));
4984 kmp_affin_mask_t *mask =
4985 KMP_CPU_INDEX(__kmp_affinity.masks, th->th.th_new_place);
4986 KMP_CPU_COPY(th->th.th_affin_mask, mask);
4987 th->th.th_current_place = th->th.th_new_place;
4989 th->th.th_topology_ids = __kmp_affinity.ids[th->th.th_new_place];
4990 th->th.th_topology_attrs = __kmp_affinity.attrs[th->th.th_new_place];
4992 if (__kmp_affinity.flags.verbose) {
4993 char buf[KMP_AFFIN_MASK_PRINT_LEN];
4994 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
4995 th->th.th_affin_mask);
4996 KMP_INFORM(BoundToOSProcSet,
"OMP_PROC_BIND", (kmp_int32)getpid(),
4997 __kmp_gettid(), gtid, buf);
4999 __kmp_set_system_affinity(th->th.th_affin_mask, TRUE);
5002int __kmp_aux_set_affinity(
void **mask) {
5007 if (!KMP_AFFINITY_CAPABLE()) {
5011 gtid = __kmp_entry_gtid();
5014 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5015 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
5016 (kmp_affin_mask_t *)(*mask));
5018 "kmp_set_affinity: setting affinity mask for thread %d = %s\n",
5022 if (__kmp_env_consistency_check) {
5023 if ((mask == NULL) || (*mask == NULL)) {
5024 KMP_FATAL(AffinityInvalidMask,
"kmp_set_affinity");
5029 KMP_CPU_SET_ITERATE(proc, ((kmp_affin_mask_t *)(*mask))) {
5030 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)) {
5031 KMP_FATAL(AffinityInvalidMask,
"kmp_set_affinity");
5033 if (!KMP_CPU_ISSET(proc, (kmp_affin_mask_t *)(*mask))) {
5038 if (num_procs == 0) {
5039 KMP_FATAL(AffinityInvalidMask,
"kmp_set_affinity");
5042#if KMP_GROUP_AFFINITY
5043 if (__kmp_get_proc_group((kmp_affin_mask_t *)(*mask)) < 0) {
5044 KMP_FATAL(AffinityInvalidMask,
"kmp_set_affinity");
5050 th = __kmp_threads[gtid];
5051 KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL);
5052 retval = __kmp_set_system_affinity((kmp_affin_mask_t *)(*mask), FALSE);
5054 KMP_CPU_COPY(th->th.th_affin_mask, (kmp_affin_mask_t *)(*mask));
5057 th->th.th_current_place = KMP_PLACE_UNDEFINED;
5058 th->th.th_new_place = KMP_PLACE_UNDEFINED;
5059 th->th.th_first_place = 0;
5060 th->th.th_last_place = __kmp_affinity.num_masks - 1;
5063 th->th.th_current_task->td_icvs.proc_bind = proc_bind_false;
5068int __kmp_aux_get_affinity(
void **mask) {
5071#if KMP_OS_WINDOWS || KMP_DEBUG
5074 if (!KMP_AFFINITY_CAPABLE()) {
5078 gtid = __kmp_entry_gtid();
5079#if KMP_OS_WINDOWS || KMP_DEBUG
5080 th = __kmp_threads[gtid];
5084 KMP_DEBUG_ASSERT(th->th.th_affin_mask != NULL);
5088 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5089 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
5090 th->th.th_affin_mask);
5092 "kmp_get_affinity: stored affinity mask for thread %d = %s\n", gtid,
5096 if (__kmp_env_consistency_check) {
5097 if ((mask == NULL) || (*mask == NULL)) {
5098 KMP_FATAL(AffinityInvalidMask,
"kmp_get_affinity");
5104 retval = __kmp_get_system_affinity((kmp_affin_mask_t *)(*mask), FALSE);
5107 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5108 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
5109 (kmp_affin_mask_t *)(*mask));
5111 "kmp_get_affinity: system affinity mask for thread %d = %s\n", gtid,
5119 KMP_CPU_COPY((kmp_affin_mask_t *)(*mask), th->th.th_affin_mask);
5125int __kmp_aux_get_affinity_max_proc() {
5126 if (!KMP_AFFINITY_CAPABLE()) {
5129#if KMP_GROUP_AFFINITY
5130 if (__kmp_num_proc_groups > 1) {
5131 return (
int)(__kmp_num_proc_groups *
sizeof(DWORD_PTR) * CHAR_BIT);
5137int __kmp_aux_set_affinity_mask_proc(
int proc,
void **mask) {
5138 if (!KMP_AFFINITY_CAPABLE()) {
5144 int gtid = __kmp_entry_gtid();
5145 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5146 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
5147 (kmp_affin_mask_t *)(*mask));
5148 __kmp_debug_printf(
"kmp_set_affinity_mask_proc: setting proc %d in "
5149 "affinity mask for thread %d = %s\n",
5153 if (__kmp_env_consistency_check) {
5154 if ((mask == NULL) || (*mask == NULL)) {
5155 KMP_FATAL(AffinityInvalidMask,
"kmp_set_affinity_mask_proc");
5159 if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) {
5162 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)) {
5166 KMP_CPU_SET(proc, (kmp_affin_mask_t *)(*mask));
5170int __kmp_aux_unset_affinity_mask_proc(
int proc,
void **mask) {
5171 if (!KMP_AFFINITY_CAPABLE()) {
5177 int gtid = __kmp_entry_gtid();
5178 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5179 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
5180 (kmp_affin_mask_t *)(*mask));
5181 __kmp_debug_printf(
"kmp_unset_affinity_mask_proc: unsetting proc %d in "
5182 "affinity mask for thread %d = %s\n",
5186 if (__kmp_env_consistency_check) {
5187 if ((mask == NULL) || (*mask == NULL)) {
5188 KMP_FATAL(AffinityInvalidMask,
"kmp_unset_affinity_mask_proc");
5192 if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) {
5195 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)) {
5199 KMP_CPU_CLR(proc, (kmp_affin_mask_t *)(*mask));
5203int __kmp_aux_get_affinity_mask_proc(
int proc,
void **mask) {
5204 if (!KMP_AFFINITY_CAPABLE()) {
5210 int gtid = __kmp_entry_gtid();
5211 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5212 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN,
5213 (kmp_affin_mask_t *)(*mask));
5214 __kmp_debug_printf(
"kmp_get_affinity_mask_proc: getting proc %d in "
5215 "affinity mask for thread %d = %s\n",
5219 if (__kmp_env_consistency_check) {
5220 if ((mask == NULL) || (*mask == NULL)) {
5221 KMP_FATAL(AffinityInvalidMask,
"kmp_get_affinity_mask_proc");
5225 if ((proc < 0) || (proc >= __kmp_aux_get_affinity_max_proc())) {
5228 if (!KMP_CPU_ISSET(proc, __kmp_affin_fullMask)) {
5232 return KMP_CPU_ISSET(proc, (kmp_affin_mask_t *)(*mask));
5236void __kmp_balanced_affinity(kmp_info_t *th,
int nthreads) {
5237 KMP_DEBUG_ASSERT(th);
5238 bool fine_gran =
true;
5239 int tid = th->th.th_info.ds.ds_tid;
5240 const char *env_var =
"KMP_AFFINITY";
5243 if (KMP_HIDDEN_HELPER_THREAD(__kmp_gtid_from_thread(th)))
5246 switch (__kmp_affinity.gran) {
5250 if (__kmp_nThreadsPerCore > 1) {
5255 if (nCoresPerPkg > 1) {
5263 if (__kmp_topology->is_uniform()) {
5267 int __kmp_nth_per_core = __kmp_avail_proc / __kmp_ncores;
5269 int ncores = __kmp_ncores;
5270 if ((nPackages > 1) && (__kmp_nth_per_core <= 1)) {
5271 __kmp_nth_per_core = __kmp_avail_proc / nPackages;
5275 int chunk = nthreads / ncores;
5277 int big_cores = nthreads % ncores;
5279 int big_nth = (chunk + 1) * big_cores;
5280 if (tid < big_nth) {
5281 coreID = tid / (chunk + 1);
5282 threadID = (tid % (chunk + 1)) % __kmp_nth_per_core;
5284 coreID = (tid - big_cores) / chunk;
5285 threadID = ((tid - big_cores) % chunk) % __kmp_nth_per_core;
5287 KMP_DEBUG_ASSERT2(KMP_AFFINITY_CAPABLE(),
5288 "Illegal set affinity operation when not capable");
5290 kmp_affin_mask_t *mask = th->th.th_affin_mask;
5295 __kmp_topology->at(coreID * __kmp_nth_per_core + threadID).os_id;
5296 KMP_CPU_SET(osID, mask);
5298 for (
int i = 0; i < __kmp_nth_per_core; i++) {
5300 osID = __kmp_topology->at(coreID * __kmp_nth_per_core + i).os_id;
5301 KMP_CPU_SET(osID, mask);
5304 if (__kmp_affinity.flags.verbose) {
5305 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5306 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN, mask);
5307 KMP_INFORM(BoundToOSProcSet, env_var, (kmp_int32)getpid(), __kmp_gettid(),
5310 __kmp_affinity_get_thread_topology_info(th);
5311 __kmp_set_system_affinity(mask, TRUE);
5314 kmp_affin_mask_t *mask = th->th.th_affin_mask;
5318 __kmp_affinity_find_core_level(__kmp_avail_proc, __kmp_aff_depth - 1);
5319 int ncores = __kmp_affinity_compute_ncores(__kmp_avail_proc,
5320 __kmp_aff_depth - 1, core_level);
5321 int nth_per_core = __kmp_affinity_max_proc_per_core(
5322 __kmp_avail_proc, __kmp_aff_depth - 1, core_level);
5326 if (nthreads == __kmp_avail_proc) {
5328 int osID = __kmp_topology->at(tid).os_id;
5329 KMP_CPU_SET(osID, mask);
5332 __kmp_affinity_find_core(tid, __kmp_aff_depth - 1, core_level);
5333 for (
int i = 0; i < __kmp_avail_proc; i++) {
5334 int osID = __kmp_topology->at(i).os_id;
5335 if (__kmp_affinity_find_core(i, __kmp_aff_depth - 1, core_level) ==
5337 KMP_CPU_SET(osID, mask);
5341 }
else if (nthreads <= ncores) {
5344 for (
int i = 0; i < ncores; i++) {
5347 for (
int j = 0; j < nth_per_core; j++) {
5348 if (procarr[i * nth_per_core + j] != -1) {
5355 for (
int j = 0; j < nth_per_core; j++) {
5356 int osID = procarr[i * nth_per_core + j];
5358 KMP_CPU_SET(osID, mask);
5374 int *nproc_at_core = (
int *)KMP_ALLOCA(
sizeof(
int) * ncores);
5376 int *ncores_with_x_procs =
5377 (
int *)KMP_ALLOCA(
sizeof(
int) * (nth_per_core + 1));
5379 int *ncores_with_x_to_max_procs =
5380 (
int *)KMP_ALLOCA(
sizeof(
int) * (nth_per_core + 1));
5382 for (
int i = 0; i <= nth_per_core; i++) {
5383 ncores_with_x_procs[i] = 0;
5384 ncores_with_x_to_max_procs[i] = 0;
5387 for (
int i = 0; i < ncores; i++) {
5389 for (
int j = 0; j < nth_per_core; j++) {
5390 if (procarr[i * nth_per_core + j] != -1) {
5394 nproc_at_core[i] = cnt;
5395 ncores_with_x_procs[cnt]++;
5398 for (
int i = 0; i <= nth_per_core; i++) {
5399 for (
int j = i; j <= nth_per_core; j++) {
5400 ncores_with_x_to_max_procs[i] += ncores_with_x_procs[j];
5405 int nproc = nth_per_core * ncores;
5407 int *newarr = (
int *)__kmp_allocate(
sizeof(
int) * nproc);
5408 for (
int i = 0; i < nproc; i++) {
5415 for (
int j = 1; j <= nth_per_core; j++) {
5416 int cnt = ncores_with_x_to_max_procs[j];
5417 for (
int i = 0; i < ncores; i++) {
5419 if (nproc_at_core[i] == 0) {
5422 for (
int k = 0; k < nth_per_core; k++) {
5423 if (procarr[i * nth_per_core + k] != -1) {
5424 if (newarr[i * nth_per_core + k] == 0) {
5425 newarr[i * nth_per_core + k] = 1;
5431 newarr[i * nth_per_core + k]++;
5439 if (cnt == 0 || nth == 0) {
5450 for (
int i = 0; i < nproc; i++) {
5454 int osID = procarr[i];
5455 KMP_CPU_SET(osID, mask);
5457 int coreID = i / nth_per_core;
5458 for (
int ii = 0; ii < nth_per_core; ii++) {
5459 int osID = procarr[coreID * nth_per_core + ii];
5461 KMP_CPU_SET(osID, mask);
5471 if (__kmp_affinity.flags.verbose) {
5472 char buf[KMP_AFFIN_MASK_PRINT_LEN];
5473 __kmp_affinity_print_mask(buf, KMP_AFFIN_MASK_PRINT_LEN, mask);
5474 KMP_INFORM(BoundToOSProcSet, env_var, (kmp_int32)getpid(), __kmp_gettid(),
5477 __kmp_affinity_get_thread_topology_info(th);
5478 __kmp_set_system_affinity(mask, TRUE);
5482#if KMP_OS_LINUX || KMP_OS_FREEBSD
5496 kmp_set_thread_affinity_mask_initial()
5501 int gtid = __kmp_get_gtid();
5504 KA_TRACE(30, (
"kmp_set_thread_affinity_mask_initial: "
5505 "non-omp thread, returning\n"));
5508 if (!KMP_AFFINITY_CAPABLE() || !__kmp_init_middle) {
5509 KA_TRACE(30, (
"kmp_set_thread_affinity_mask_initial: "
5510 "affinity not initialized, returning\n"));
5513 KA_TRACE(30, (
"kmp_set_thread_affinity_mask_initial: "
5514 "set full mask for thread %d\n",
5516 KMP_DEBUG_ASSERT(__kmp_affin_fullMask != NULL);
5517 return __kmp_set_system_affinity(__kmp_affin_fullMask, FALSE);
int try_open(const char *filename, const char *mode)