14#include "kmp_affinity.h"
16#include "kmp_dispatch_hier.h"
19kmp_key_t __kmp_gtid_threadprivate_key;
21#if KMP_ARCH_X86 || KMP_ARCH_X86_64
22kmp_cpuinfo_t __kmp_cpuinfo = {0};
28kmp_tas_lock_t __kmp_stats_lock;
32kmp_stats_list *__kmp_stats_list;
35KMP_THREAD_LOCAL kmp_stats_list *__kmp_stats_thread_ptr = NULL;
38tsc_tick_count __kmp_stats_start_time;
44volatile int __kmp_init_serial = FALSE;
45volatile int __kmp_init_gtid = FALSE;
46volatile int __kmp_init_common = FALSE;
47volatile int __kmp_need_register_serial = TRUE;
48volatile int __kmp_init_middle = FALSE;
49volatile int __kmp_init_parallel = FALSE;
50volatile int __kmp_init_hidden_helper = FALSE;
51volatile int __kmp_init_hidden_helper_threads = FALSE;
52volatile int __kmp_hidden_helper_team_done = FALSE;
54volatile int __kmp_init_monitor =
57volatile int __kmp_init_user_locks = FALSE;
60kmp_cached_addr_t *__kmp_threadpriv_cache_list = NULL;
62int __kmp_init_counter = 0;
63int __kmp_root_counter = 0;
66std::atomic<kmp_int32> __kmp_team_counter = 0;
67std::atomic<kmp_int32> __kmp_task_counter = 0;
69size_t __kmp_stksize = KMP_DEFAULT_STKSIZE;
71size_t __kmp_monitor_stksize = 0;
73size_t __kmp_stkoffset = KMP_DEFAULT_STKOFFSET;
74int __kmp_stkpadding = KMP_MIN_STKPADDING;
76size_t __kmp_malloc_pool_incr = KMP_DEFAULT_MALLOC_POOL_INCR;
80kmp_uint32 __kmp_barrier_gather_bb_dflt = 2;
82kmp_uint32 __kmp_barrier_release_bb_dflt = 2;
85kmp_bar_pat_e __kmp_barrier_gather_pat_dflt = bp_hyper_bar;
87kmp_bar_pat_e __kmp_barrier_release_pat_dflt = bp_hyper_bar;
90kmp_uint32 __kmp_barrier_gather_branch_bits[bs_last_barrier] = {0};
91kmp_uint32 __kmp_barrier_release_branch_bits[bs_last_barrier] = {0};
92kmp_bar_pat_e __kmp_barrier_gather_pattern[bs_last_barrier] = {bp_linear_bar};
93kmp_bar_pat_e __kmp_barrier_release_pattern[bs_last_barrier] = {bp_linear_bar};
94char const *__kmp_barrier_branch_bit_env_name[bs_last_barrier] = {
95 "KMP_PLAIN_BARRIER",
"KMP_FORKJOIN_BARRIER"
96#if KMP_FAST_REDUCTION_BARRIER
98 "KMP_REDUCTION_BARRIER"
101char const *__kmp_barrier_pattern_env_name[bs_last_barrier] = {
102 "KMP_PLAIN_BARRIER_PATTERN",
"KMP_FORKJOIN_BARRIER_PATTERN"
103#if KMP_FAST_REDUCTION_BARRIER
105 "KMP_REDUCTION_BARRIER_PATTERN"
108char const *__kmp_barrier_type_name[bs_last_barrier] = {
"plain",
"forkjoin"
109#if KMP_FAST_REDUCTION_BARRIER
114char const *__kmp_barrier_pattern_name[bp_last_bar] = {
115 "linear",
"tree",
"hyper",
"hierarchical",
"dist"};
117int __kmp_allThreadsSpecified = 0;
118size_t __kmp_align_alloc = CACHE_LINE;
120int __kmp_generate_warnings = kmp_warnings_low;
121int __kmp_reserve_warn = 0;
123int __kmp_avail_proc = 0;
124size_t __kmp_sys_min_stksize = KMP_MIN_STKSIZE;
125int __kmp_sys_max_nth = KMP_MAX_NTH;
126int __kmp_max_nth = 0;
127int __kmp_cg_max_nth = 0;
128int __kmp_task_max_nth = 0;
129int __kmp_teams_max_nth = 0;
130int __kmp_threads_capacity = 0;
131int __kmp_dflt_team_nth = 0;
132int __kmp_dflt_team_nth_ub = 0;
133int __kmp_tp_capacity = 0;
134int __kmp_tp_cached = 0;
135int __kmp_dispatch_num_buffers = KMP_DFLT_DISP_NUM_BUFF;
136int __kmp_dflt_max_active_levels = 1;
137bool __kmp_dflt_max_active_levels_set =
false;
138#if KMP_NESTED_HOT_TEAMS
139int __kmp_hot_teams_mode = 0;
141int __kmp_hot_teams_max_level = 1;
143enum library_type __kmp_library = library_none;
147 kmp_sch_static_greedy;
149 kmp_sch_guided_iterative_chunked;
151 kmp_sch_guided_analytical_chunked;
152#if KMP_USE_HIER_SCHED
153int __kmp_dispatch_hand_threading = 0;
154int __kmp_hier_max_units[kmp_hier_layer_e::LAYER_LAST + 1];
155int __kmp_hier_threads_per[kmp_hier_layer_e::LAYER_LAST + 1];
156kmp_hier_sched_env_t __kmp_hier_scheds = {0, 0, NULL, NULL, NULL};
158int __kmp_dflt_blocktime = KMP_DEFAULT_BLOCKTIME;
159char __kmp_blocktime_units =
'm';
160bool __kmp_wpolicy_passive =
false;
162int __kmp_monitor_wakeups = KMP_MIN_MONITOR_WAKEUPS;
163int __kmp_bt_intervals = KMP_INTERVALS_FROM_BLOCKTIME(KMP_DEFAULT_BLOCKTIME,
164 KMP_MIN_MONITOR_WAKEUPS);
166#ifdef KMP_ADJUST_BLOCKTIME
167int __kmp_zero_bt = FALSE;
169#ifdef KMP_DFLT_NTH_CORES
173int __kmp_force_monotonic = 0;
174int __kmp_abort_delay = 0;
175#if (KMP_OS_LINUX || KMP_OS_AIX) && defined(KMP_TDATA_GTID)
176int __kmp_gtid_mode = 3;
177int __kmp_adjust_gtid_mode = FALSE;
179int __kmp_gtid_mode = 2;
180int __kmp_adjust_gtid_mode = FALSE;
182int __kmp_gtid_mode = 0;
183int __kmp_adjust_gtid_mode = TRUE;
186KMP_THREAD_LOCAL
int __kmp_gtid = KMP_GTID_DNE;
188int __kmp_tls_gtid_min = INT_MAX;
189int __kmp_foreign_tp = TRUE;
190#if KMP_ARCH_X86 || KMP_ARCH_X86_64
191int __kmp_inherit_fp_control = TRUE;
192kmp_int16 __kmp_init_x87_fpu_control_word = 0;
193kmp_uint32 __kmp_init_mxcsr = 0;
196#ifdef USE_LOAD_BALANCE
197double __kmp_load_balance_interval = 1.0;
200kmp_nested_nthreads_t __kmp_nested_nth = {NULL, 0, 0};
202#if KMP_USE_ADAPTIVE_LOCKS
204kmp_adaptive_backoff_params_t __kmp_adaptive_backoff_params = {
207#if KMP_DEBUG_ADAPTIVE_LOCKS
208const char *__kmp_speculative_statsfile =
"-";
213int __kmp_display_env = FALSE;
214int __kmp_display_env_verbose = FALSE;
215int __kmp_omp_cancellation = FALSE;
217int __kmp_teams_thread_limit = 0;
219#if KMP_HAVE_MWAIT || KMP_HAVE_UMWAIT
220int __kmp_user_level_mwait = FALSE;
221int __kmp_umwait_enabled = FALSE;
222int __kmp_mwait_enabled = FALSE;
223int __kmp_mwait_hints = 0;
227int __kmp_waitpkg_enabled = 0;
228int __kmp_tpause_state = 0;
229int __kmp_tpause_hint = 1;
230int __kmp_tpause_enabled = 0;
234enum sched_type __kmp_sch_map[kmp_sched_upper - kmp_sched_lower_ext +
235 kmp_sched_upper_std - kmp_sched_lower - 2] = {
236 kmp_sch_static_chunked,
237 kmp_sch_dynamic_chunked,
246enum clock_function_type __kmp_clock_function;
247int __kmp_clock_function_param;
251enum mic_type __kmp_mic_type = non_mic;
254#if KMP_AFFINITY_SUPPORTED
256KMPAffinity *__kmp_affinity_dispatch = NULL;
259int __kmp_hwloc_error = FALSE;
260hwloc_topology_t __kmp_hwloc_topology = NULL;
264#if KMP_GROUP_AFFINITY
265int __kmp_num_proc_groups = 1;
267kmp_GetActiveProcessorCount_t __kmp_GetActiveProcessorCount = NULL;
268kmp_GetActiveProcessorGroupCount_t __kmp_GetActiveProcessorGroupCount = NULL;
269kmp_GetThreadGroupAffinity_t __kmp_GetThreadGroupAffinity = NULL;
270kmp_SetThreadGroupAffinity_t __kmp_SetThreadGroupAffinity = NULL;
273size_t __kmp_affin_mask_size = 0;
274enum affinity_top_method __kmp_affinity_top_method =
275 affinity_top_method_default;
278kmp_affinity_t __kmp_affinity = KMP_AFFINITY_INIT(
"KMP_AFFINITY");
280kmp_affinity_t __kmp_hh_affinity =
281 KMP_AFFINITY_INIT(
"KMP_HIDDEN_HELPER_AFFINITY");
282kmp_affinity_t *__kmp_affinities[] = {&__kmp_affinity, &__kmp_hh_affinity};
284char *__kmp_cpuinfo_file = NULL;
285#if KMP_WEIGHTED_ITERATIONS_SUPPORTED
286int __kmp_first_osid_with_ecore = -1;
291kmp_nested_proc_bind_t __kmp_nested_proc_bind = {NULL, 0, 0};
292kmp_proc_bind_t __kmp_teams_proc_bind = proc_bind_spread;
293int __kmp_affinity_num_places = 0;
294int __kmp_display_affinity = FALSE;
295char *__kmp_affinity_format = NULL;
297kmp_int32 __kmp_default_device = 0;
299kmp_tasking_mode_t __kmp_tasking_mode = tskm_task_teams;
300kmp_int32 __kmp_max_task_priority = 0;
301kmp_uint64 __kmp_taskloop_min_tasks = 0;
303int __kmp_memkind_available = 0;
304omp_allocator_handle_t
const omp_null_allocator = NULL;
305omp_allocator_handle_t
const omp_default_mem_alloc =
306 (omp_allocator_handle_t
const)1;
307omp_allocator_handle_t
const omp_large_cap_mem_alloc =
308 (omp_allocator_handle_t
const)2;
309omp_allocator_handle_t
const omp_const_mem_alloc =
310 (omp_allocator_handle_t
const)3;
311omp_allocator_handle_t
const omp_high_bw_mem_alloc =
312 (omp_allocator_handle_t
const)4;
313omp_allocator_handle_t
const omp_low_lat_mem_alloc =
314 (omp_allocator_handle_t
const)5;
315omp_allocator_handle_t
const omp_cgroup_mem_alloc =
316 (omp_allocator_handle_t
const)6;
317omp_allocator_handle_t
const omp_pteam_mem_alloc =
318 (omp_allocator_handle_t
const)7;
319omp_allocator_handle_t
const omp_thread_mem_alloc =
320 (omp_allocator_handle_t
const)8;
321omp_allocator_handle_t
const llvm_omp_target_host_mem_alloc =
322 (omp_allocator_handle_t
const)100;
323omp_allocator_handle_t
const llvm_omp_target_shared_mem_alloc =
324 (omp_allocator_handle_t
const)101;
325omp_allocator_handle_t
const llvm_omp_target_device_mem_alloc =
326 (omp_allocator_handle_t
const)102;
327omp_allocator_handle_t
const kmp_max_mem_alloc =
328 (omp_allocator_handle_t
const)1024;
329omp_allocator_handle_t __kmp_def_allocator = omp_default_mem_alloc;
331omp_memspace_handle_t
const omp_default_mem_space =
332 (omp_memspace_handle_t
const)0;
333omp_memspace_handle_t
const omp_large_cap_mem_space =
334 (omp_memspace_handle_t
const)1;
335omp_memspace_handle_t
const omp_const_mem_space =
336 (omp_memspace_handle_t
const)2;
337omp_memspace_handle_t
const omp_high_bw_mem_space =
338 (omp_memspace_handle_t
const)3;
339omp_memspace_handle_t
const omp_low_lat_mem_space =
340 (omp_memspace_handle_t
const)4;
341omp_memspace_handle_t
const llvm_omp_target_host_mem_space =
342 (omp_memspace_handle_t
const)100;
343omp_memspace_handle_t
const llvm_omp_target_shared_mem_space =
344 (omp_memspace_handle_t
const)101;
345omp_memspace_handle_t
const llvm_omp_target_device_mem_space =
346 (omp_memspace_handle_t
const)102;
353KMP_BUILD_ASSERT(
sizeof(kmp_tasking_flags_t) == 4);
355int __kmp_task_stealing_constraint = 1;
356int __kmp_enable_task_throttling = 1;
359int __kmp_suspend_count = 0;
362int __kmp_settings = FALSE;
363int __kmp_duplicate_library_ok = 0;
365int __kmp_forkjoin_frames = 1;
366int __kmp_forkjoin_frames_mode = 3;
368PACKED_REDUCTION_METHOD_T __kmp_force_reduction_method =
369 reduction_method_not_defined;
370int __kmp_determ_red = FALSE;
385int __kmp_debug_buf_lines =
386 KMP_DEBUG_BUF_LINES_INIT;
387int __kmp_debug_buf_chars =
388 KMP_DEBUG_BUF_CHARS_INIT;
389int __kmp_debug_buf_atomic =
392char *__kmp_debug_buffer = NULL;
393std::atomic<int> __kmp_debug_count =
395int __kmp_debug_buf_warn_chars =
402char __kmp_par_range_routine[KMP_PAR_RANGE_ROUTINE_LEN] = {
'\0'};
403char __kmp_par_range_filename[KMP_PAR_RANGE_FILENAME_LEN] = {
'\0'};
404int __kmp_par_range_lb = 0;
405int __kmp_par_range_ub = INT_MAX;
409int __kmp_storage_map =
411int __kmp_storage_map_verbose =
413int __kmp_storage_map_verbose_specified = FALSE;
416int __kmp_need_register_atfork =
418int __kmp_need_register_atfork_specified = TRUE;
420int __kmp_env_stksize = FALSE;
421int __kmp_env_blocktime = FALSE;
422int __kmp_env_checks = FALSE;
423int __kmp_env_consistency_check = FALSE;
429#if KMP_OS_DARWIN && KMP_ARCH_AARCH64
431kmp_int32 __kmp_use_yield = 0;
433kmp_int32 __kmp_use_yield = 1;
437kmp_int32 __kmp_use_yield_exp_set = 0;
439kmp_uint32 __kmp_yield_init = KMP_INIT_WAIT;
440kmp_uint32 __kmp_yield_next = KMP_NEXT_WAIT;
441kmp_uint64 __kmp_pause_init = 1;
450kmp_info_t **__kmp_threads = NULL;
451kmp_root_t **__kmp_root = NULL;
452kmp_old_threads_list_t *__kmp_old_threads_list = NULL;
456volatile int __kmp_nth = 0;
457volatile int __kmp_all_nth = 0;
458volatile kmp_info_t *__kmp_thread_pool = NULL;
459volatile kmp_team_t *__kmp_team_pool = NULL;
462std::atomic<int> __kmp_thread_pool_active_nth = 0;
467kmp_global_t __kmp_global;
473#if KMP_USE_INTERNODE_ALIGNMENT
476KMP_ALIGN_CACHE_INTERNODE
478KMP_BOOTSTRAP_LOCK_INIT(__kmp_initz_lock);
479KMP_ALIGN_CACHE_INTERNODE
480KMP_BOOTSTRAP_LOCK_INIT(__kmp_forkjoin_lock);
481KMP_ALIGN_CACHE_INTERNODE
482KMP_BOOTSTRAP_LOCK_INIT(__kmp_exit_lock);
485KMP_ALIGN_CACHE_INTERNODE
486KMP_BOOTSTRAP_LOCK_INIT(__kmp_monitor_lock);
490KMP_ALIGN_CACHE_INTERNODE
491KMP_BOOTSTRAP_LOCK_INIT(__kmp_tp_cached_lock);
493KMP_ALIGN_CACHE_INTERNODE
494KMP_LOCK_INIT(__kmp_global_lock);
495KMP_ALIGN_CACHE_INTERNODE
496kmp_queuing_lock_t __kmp_dispatch_lock;
497KMP_ALIGN_CACHE_INTERNODE
498KMP_LOCK_INIT(__kmp_debug_lock);
502KMP_BOOTSTRAP_LOCK_INIT(__kmp_initz_lock);
503KMP_BOOTSTRAP_LOCK_INIT(__kmp_forkjoin_lock);
504KMP_BOOTSTRAP_LOCK_INIT(__kmp_exit_lock);
507KMP_BOOTSTRAP_LOCK_INIT(__kmp_monitor_lock);
511KMP_BOOTSTRAP_LOCK_INIT(__kmp_tp_cached_lock);
514KMP_LOCK_INIT(__kmp_global_lock);
516kmp_queuing_lock_t __kmp_dispatch_lock;
518KMP_LOCK_INIT(__kmp_debug_lock);
523#if KMP_HANDLE_SIGNALS
543int __kmp_handle_signals = FALSE;
547int get_suspend_count_(
void) {
548 int count = __kmp_suspend_count;
549 __kmp_suspend_count = 0;
552void set_suspend_count_(
int *value) { __kmp_suspend_count = *value; }
555kmp_target_offload_kind_t __kmp_target_offload = tgt_default;
558kmp_pause_status_t __kmp_pause_status = kmp_not_paused;
561int __kmp_nesting_mode = 0;
562int __kmp_nesting_mode_nlevels = 1;
563int *__kmp_nesting_nth_level;
567int __kmp_tdg_dot = 0;
568kmp_int32 __kmp_max_tdgs = 100;
569kmp_tdg_info_t **__kmp_global_tdgs = NULL;
570kmp_int32 __kmp_curr_tdg_idx =
572kmp_int32 __kmp_num_tdg = 0;
573kmp_int32 __kmp_successors_size = 10;
575std::atomic<kmp_int32> __kmp_tdg_task_id = 0;