14 #include "kmp_affinity.h"
15 #if KMP_USE_HIER_SCHED
16 #include "kmp_dispatch_hier.h"
19 kmp_key_t __kmp_gtid_threadprivate_key;
21 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
22 kmp_cpuinfo_t __kmp_cpuinfo = {0};
26 #include "kmp_stats.h"
28 kmp_tas_lock_t __kmp_stats_lock;
32 kmp_stats_list *__kmp_stats_list;
35 KMP_THREAD_LOCAL kmp_stats_list *__kmp_stats_thread_ptr = NULL;
38 tsc_tick_count __kmp_stats_start_time;
44 volatile int __kmp_init_serial = FALSE;
45 volatile int __kmp_init_gtid = FALSE;
46 volatile int __kmp_init_common = FALSE;
47 volatile int __kmp_init_middle = FALSE;
48 volatile int __kmp_init_parallel = FALSE;
49 volatile int __kmp_init_hidden_helper = FALSE;
50 volatile int __kmp_init_hidden_helper_threads = FALSE;
51 volatile int __kmp_hidden_helper_team_done = FALSE;
53 volatile int __kmp_init_monitor =
56 volatile int __kmp_init_user_locks = FALSE;
59 kmp_cached_addr_t *__kmp_threadpriv_cache_list = NULL;
61 int __kmp_init_counter = 0;
62 int __kmp_root_counter = 0;
63 int __kmp_version = 0;
65 std::atomic<kmp_int32> __kmp_team_counter = ATOMIC_VAR_INIT(0);
66 std::atomic<kmp_int32> __kmp_task_counter = ATOMIC_VAR_INIT(0);
68 size_t __kmp_stksize = KMP_DEFAULT_STKSIZE;
70 size_t __kmp_monitor_stksize = 0;
72 size_t __kmp_stkoffset = KMP_DEFAULT_STKOFFSET;
73 int __kmp_stkpadding = KMP_MIN_STKPADDING;
75 size_t __kmp_malloc_pool_incr = KMP_DEFAULT_MALLOC_POOL_INCR;
79 kmp_uint32 __kmp_barrier_gather_bb_dflt = 2;
81 kmp_uint32 __kmp_barrier_release_bb_dflt = 2;
84 kmp_bar_pat_e __kmp_barrier_gather_pat_dflt = bp_hyper_bar;
86 kmp_bar_pat_e __kmp_barrier_release_pat_dflt = bp_hyper_bar;
89 kmp_uint32 __kmp_barrier_gather_branch_bits[bs_last_barrier] = {0};
90 kmp_uint32 __kmp_barrier_release_branch_bits[bs_last_barrier] = {0};
91 kmp_bar_pat_e __kmp_barrier_gather_pattern[bs_last_barrier] = {bp_linear_bar};
92 kmp_bar_pat_e __kmp_barrier_release_pattern[bs_last_barrier] = {bp_linear_bar};
93 char const *__kmp_barrier_branch_bit_env_name[bs_last_barrier] = {
94 "KMP_PLAIN_BARRIER",
"KMP_FORKJOIN_BARRIER"
95 #if KMP_FAST_REDUCTION_BARRIER
97 "KMP_REDUCTION_BARRIER"
100 char const *__kmp_barrier_pattern_env_name[bs_last_barrier] = {
101 "KMP_PLAIN_BARRIER_PATTERN",
"KMP_FORKJOIN_BARRIER_PATTERN"
102 #if KMP_FAST_REDUCTION_BARRIER
104 "KMP_REDUCTION_BARRIER_PATTERN"
107 char const *__kmp_barrier_type_name[bs_last_barrier] = {
"plain",
"forkjoin"
108 #if KMP_FAST_REDUCTION_BARRIER
113 char const *__kmp_barrier_pattern_name[bp_last_bar] = {
"linear",
"tree",
114 "hyper",
"hierarchical"};
116 int __kmp_allThreadsSpecified = 0;
117 size_t __kmp_align_alloc = CACHE_LINE;
119 int __kmp_generate_warnings = kmp_warnings_low;
120 int __kmp_reserve_warn = 0;
122 int __kmp_avail_proc = 0;
123 size_t __kmp_sys_min_stksize = KMP_MIN_STKSIZE;
124 int __kmp_sys_max_nth = KMP_MAX_NTH;
125 int __kmp_max_nth = 0;
126 int __kmp_cg_max_nth = 0;
127 int __kmp_teams_max_nth = 0;
128 int __kmp_threads_capacity = 0;
129 int __kmp_dflt_team_nth = 0;
130 int __kmp_dflt_team_nth_ub = 0;
131 int __kmp_tp_capacity = 0;
132 int __kmp_tp_cached = 0;
133 int __kmp_dispatch_num_buffers = KMP_DFLT_DISP_NUM_BUFF;
134 int __kmp_dflt_max_active_levels = 1;
135 bool __kmp_dflt_max_active_levels_set =
false;
136 #if KMP_NESTED_HOT_TEAMS
137 int __kmp_hot_teams_mode = 0;
139 int __kmp_hot_teams_max_level = 1;
141 enum library_type __kmp_library = library_none;
145 kmp_sch_static_greedy;
147 kmp_sch_guided_iterative_chunked;
149 kmp_sch_guided_analytical_chunked;
150 #if KMP_USE_HIER_SCHED
151 int __kmp_dispatch_hand_threading = 0;
152 int __kmp_hier_max_units[kmp_hier_layer_e::LAYER_LAST + 1];
153 int __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_LAST + 1];
154 kmp_hier_sched_env_t __kmp_hier_scheds = {0, 0, NULL, NULL, NULL};
156 int __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME;
158 int __kmp_monitor_wakeups = KMP_MIN_MONITOR_WAKEUPS;
159 int __kmp_bt_intervals = KMP_INTERVALS_FROM_BLOCKTIME(KMP_DEFAULT_BLOCKTIME,
160 KMP_MIN_MONITOR_WAKEUPS);
162 #ifdef KMP_ADJUST_BLOCKTIME
163 int __kmp_zero_bt = FALSE;
165 #ifdef KMP_DFLT_NTH_CORES
166 int __kmp_ncores = 0;
169 int __kmp_abort_delay = 0;
170 #if KMP_OS_LINUX && defined(KMP_TDATA_GTID)
171 int __kmp_gtid_mode = 3;
172 int __kmp_adjust_gtid_mode = FALSE;
174 int __kmp_gtid_mode = 2;
175 int __kmp_adjust_gtid_mode = FALSE;
177 int __kmp_gtid_mode = 0;
178 int __kmp_adjust_gtid_mode = TRUE;
180 #ifdef KMP_TDATA_GTID
181 KMP_THREAD_LOCAL
int __kmp_gtid = KMP_GTID_DNE;
183 int __kmp_tls_gtid_min = INT_MAX;
184 int __kmp_foreign_tp = TRUE;
185 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
186 int __kmp_inherit_fp_control = TRUE;
187 kmp_int16 __kmp_init_x87_fpu_control_word = 0;
188 kmp_uint32 __kmp_init_mxcsr = 0;
191 #ifdef USE_LOAD_BALANCE
192 double __kmp_load_balance_interval = 1.0;
195 kmp_nested_nthreads_t __kmp_nested_nth = {NULL, 0, 0};
197 #if KMP_USE_ADAPTIVE_LOCKS
199 kmp_adaptive_backoff_params_t __kmp_adaptive_backoff_params = {
202 #if KMP_DEBUG_ADAPTIVE_LOCKS
203 const char *__kmp_speculative_statsfile =
"-";
208 int __kmp_display_env = FALSE;
209 int __kmp_display_env_verbose = FALSE;
210 int __kmp_omp_cancellation = FALSE;
212 #if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
213 int __kmp_user_level_mwait = FALSE;
214 int __kmp_umwait_enabled = FALSE;
215 int __kmp_mwait_enabled = FALSE;
216 int __kmp_mwait_hints = 0;
220 enum sched_type __kmp_sch_map[kmp_sched_upper - kmp_sched_lower_ext +
221 kmp_sched_upper_std - kmp_sched_lower - 2] = {
222 kmp_sch_static_chunked,
223 kmp_sch_dynamic_chunked,
232 enum clock_function_type __kmp_clock_function;
233 int __kmp_clock_function_param;
236 #if KMP_MIC_SUPPORTED
237 enum mic_type __kmp_mic_type = non_mic;
240 #if KMP_AFFINITY_SUPPORTED
242 KMPAffinity *__kmp_affinity_dispatch = NULL;
245 int __kmp_hwloc_error = FALSE;
246 hwloc_topology_t __kmp_hwloc_topology = NULL;
247 int __kmp_numa_detected = FALSE;
248 int __kmp_tile_depth = 0;
252 #if KMP_GROUP_AFFINITY
253 int __kmp_num_proc_groups = 1;
255 kmp_GetActiveProcessorCount_t __kmp_GetActiveProcessorCount = NULL;
256 kmp_GetActiveProcessorGroupCount_t __kmp_GetActiveProcessorGroupCount = NULL;
257 kmp_GetThreadGroupAffinity_t __kmp_GetThreadGroupAffinity = NULL;
258 kmp_SetThreadGroupAffinity_t __kmp_SetThreadGroupAffinity = NULL;
261 size_t __kmp_affin_mask_size = 0;
262 enum affinity_type __kmp_affinity_type = affinity_default;
263 enum affinity_gran __kmp_affinity_gran = affinity_gran_default;
264 int __kmp_affinity_gran_levels = -1;
265 int __kmp_affinity_dups = TRUE;
266 enum affinity_top_method __kmp_affinity_top_method =
267 affinity_top_method_default;
268 int __kmp_affinity_compact = 0;
269 int __kmp_affinity_offset = 0;
270 int __kmp_affinity_verbose = FALSE;
271 int __kmp_affinity_warnings = TRUE;
272 int __kmp_affinity_respect_mask = affinity_respect_mask_default;
273 char *__kmp_affinity_proclist = NULL;
274 kmp_affin_mask_t *__kmp_affinity_masks = NULL;
275 unsigned __kmp_affinity_num_masks = 0;
277 char *__kmp_cpuinfo_file = NULL;
281 kmp_nested_proc_bind_t __kmp_nested_proc_bind = {NULL, 0, 0};
282 int __kmp_affinity_num_places = 0;
283 int __kmp_display_affinity = FALSE;
284 char *__kmp_affinity_format = NULL;
286 kmp_hws_item_t __kmp_hws_socket = {0, 0};
287 kmp_hws_item_t __kmp_hws_node = {0, 0};
288 kmp_hws_item_t __kmp_hws_tile = {0, 0};
289 kmp_hws_item_t __kmp_hws_core = {0, 0};
290 kmp_hws_item_t __kmp_hws_proc = {0, 0};
291 int __kmp_hws_requested = 0;
292 int __kmp_hws_abs_flag = 0;
294 kmp_int32 __kmp_default_device = 0;
296 kmp_tasking_mode_t __kmp_tasking_mode = tskm_task_teams;
297 kmp_int32 __kmp_max_task_priority = 0;
298 kmp_uint64 __kmp_taskloop_min_tasks = 0;
300 int __kmp_memkind_available = 0;
301 omp_allocator_handle_t
const omp_null_allocator = NULL;
302 omp_allocator_handle_t
const omp_default_mem_alloc =
303 (omp_allocator_handle_t
const)1;
304 omp_allocator_handle_t
const omp_large_cap_mem_alloc =
305 (omp_allocator_handle_t
const)2;
306 omp_allocator_handle_t
const omp_const_mem_alloc =
307 (omp_allocator_handle_t
const)3;
308 omp_allocator_handle_t
const omp_high_bw_mem_alloc =
309 (omp_allocator_handle_t
const)4;
310 omp_allocator_handle_t
const omp_low_lat_mem_alloc =
311 (omp_allocator_handle_t
const)5;
312 omp_allocator_handle_t
const omp_cgroup_mem_alloc =
313 (omp_allocator_handle_t
const)6;
314 omp_allocator_handle_t
const omp_pteam_mem_alloc =
315 (omp_allocator_handle_t
const)7;
316 omp_allocator_handle_t
const omp_thread_mem_alloc =
317 (omp_allocator_handle_t
const)8;
318 omp_allocator_handle_t
const kmp_max_mem_alloc =
319 (omp_allocator_handle_t
const)1024;
320 omp_allocator_handle_t __kmp_def_allocator = omp_default_mem_alloc;
322 omp_memspace_handle_t
const omp_default_mem_space =
323 (omp_memspace_handle_t
const)0;
324 omp_memspace_handle_t
const omp_large_cap_mem_space =
325 (omp_memspace_handle_t
const)1;
326 omp_memspace_handle_t
const omp_const_mem_space =
327 (omp_memspace_handle_t
const)2;
328 omp_memspace_handle_t
const omp_high_bw_mem_space =
329 (omp_memspace_handle_t
const)3;
330 omp_memspace_handle_t
const omp_low_lat_mem_space =
331 (omp_memspace_handle_t
const)4;
338 KMP_BUILD_ASSERT(
sizeof(kmp_tasking_flags_t) == 4);
340 int __kmp_task_stealing_constraint = 1;
341 int __kmp_enable_task_throttling = 1;
344 int __kmp_suspend_count = 0;
347 int __kmp_settings = FALSE;
348 int __kmp_duplicate_library_ok = 0;
350 int __kmp_forkjoin_frames = 1;
351 int __kmp_forkjoin_frames_mode = 3;
353 PACKED_REDUCTION_METHOD_T __kmp_force_reduction_method =
354 reduction_method_not_defined;
355 int __kmp_determ_red = FALSE;
368 int __kmp_debug_buf =
370 int __kmp_debug_buf_lines =
371 KMP_DEBUG_BUF_LINES_INIT;
372 int __kmp_debug_buf_chars =
373 KMP_DEBUG_BUF_CHARS_INIT;
374 int __kmp_debug_buf_atomic =
377 char *__kmp_debug_buffer = NULL;
378 std::atomic<int> __kmp_debug_count =
380 int __kmp_debug_buf_warn_chars =
387 char __kmp_par_range_routine[KMP_PAR_RANGE_ROUTINE_LEN] = {
'\0'};
388 char __kmp_par_range_filename[KMP_PAR_RANGE_FILENAME_LEN] = {
'\0'};
389 int __kmp_par_range_lb = 0;
390 int __kmp_par_range_ub = INT_MAX;
394 int __kmp_storage_map =
396 int __kmp_storage_map_verbose =
398 int __kmp_storage_map_verbose_specified = FALSE;
401 int __kmp_need_register_atfork =
403 int __kmp_need_register_atfork_specified = TRUE;
405 int __kmp_env_stksize = FALSE;
406 int __kmp_env_blocktime = FALSE;
407 int __kmp_env_checks = FALSE;
408 int __kmp_env_consistency_check = FALSE;
414 kmp_int32 __kmp_use_yield = 1;
416 kmp_int32 __kmp_use_yield_exp_set = 0;
418 kmp_uint32 __kmp_yield_init = KMP_INIT_WAIT;
419 kmp_uint32 __kmp_yield_next = KMP_NEXT_WAIT;
428 kmp_info_t **__kmp_threads = NULL;
429 kmp_root_t **__kmp_root = NULL;
433 volatile int __kmp_nth = 0;
434 volatile int __kmp_all_nth = 0;
435 volatile kmp_info_t *__kmp_thread_pool = NULL;
436 volatile kmp_team_t *__kmp_team_pool = NULL;
439 std::atomic<int> __kmp_thread_pool_active_nth = ATOMIC_VAR_INIT(0);
444 kmp_global_t __kmp_global;
450 #if KMP_USE_INTERNODE_ALIGNMENT
453 KMP_ALIGN_CACHE_INTERNODE
455 KMP_BOOTSTRAP_LOCK_INIT(__kmp_initz_lock);
456 KMP_ALIGN_CACHE_INTERNODE
457 KMP_BOOTSTRAP_LOCK_INIT(__kmp_forkjoin_lock);
458 KMP_ALIGN_CACHE_INTERNODE
459 KMP_BOOTSTRAP_LOCK_INIT(__kmp_exit_lock);
462 KMP_ALIGN_CACHE_INTERNODE
463 KMP_BOOTSTRAP_LOCK_INIT(__kmp_monitor_lock);
467 KMP_ALIGN_CACHE_INTERNODE
468 KMP_BOOTSTRAP_LOCK_INIT(__kmp_tp_cached_lock);
470 KMP_ALIGN_CACHE_INTERNODE
471 KMP_LOCK_INIT(__kmp_global_lock);
472 KMP_ALIGN_CACHE_INTERNODE
473 kmp_queuing_lock_t __kmp_dispatch_lock;
474 KMP_ALIGN_CACHE_INTERNODE
475 KMP_LOCK_INIT(__kmp_debug_lock);
479 KMP_BOOTSTRAP_LOCK_INIT(__kmp_initz_lock);
480 KMP_BOOTSTRAP_LOCK_INIT(__kmp_forkjoin_lock);
481 KMP_BOOTSTRAP_LOCK_INIT(__kmp_exit_lock);
484 KMP_BOOTSTRAP_LOCK_INIT(__kmp_monitor_lock);
488 KMP_BOOTSTRAP_LOCK_INIT(__kmp_tp_cached_lock);
491 KMP_LOCK_INIT(__kmp_global_lock);
493 kmp_queuing_lock_t __kmp_dispatch_lock;
495 KMP_LOCK_INIT(__kmp_debug_lock);
500 #if KMP_HANDLE_SIGNALS
520 int __kmp_handle_signals = FALSE;
524 int get_suspend_count_(
void) {
525 int count = __kmp_suspend_count;
526 __kmp_suspend_count = 0;
529 void set_suspend_count_(
int *value) { __kmp_suspend_count = *value; }
533 int _You_must_link_with_exactly_one_OpenMP_library = 1;
534 int _You_must_link_with_Intel_OpenMP_library = 1;
535 #if KMP_OS_WINDOWS && (KMP_VERSION_MAJOR > 4)
536 int _You_must_link_with_Microsoft_OpenMP_library = 1;
539 kmp_target_offload_kind_t __kmp_target_offload = tgt_default;
542 kmp_pause_status_t __kmp_pause_status = kmp_not_paused;