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kmp.h
1 
2 /*
3  * kmp.h -- KPTS runtime header file.
4  */
5 
6 /* <copyright>
7  Copyright (c) 1997-2015 Intel Corporation. All Rights Reserved.
8 
9  Redistribution and use in source and binary forms, with or without
10  modification, are permitted provided that the following conditions
11  are met:
12 
13  * Redistributions of source code must retain the above copyright
14  notice, this list of conditions and the following disclaimer.
15  * Redistributions in binary form must reproduce the above copyright
16  notice, this list of conditions and the following disclaimer in the
17  documentation and/or other materials provided with the distribution.
18  * Neither the name of Intel Corporation nor the names of its
19  contributors may be used to endorse or promote products derived
20  from this software without specific prior written permission.
21 
22  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 
34 </copyright> */
35 
36 #ifndef KMP_H
37 #define KMP_H
38 
39 /* #define BUILD_PARALLEL_ORDERED 1 */
40 
41 /* This fix replaces gettimeofday with clock_gettime for better scalability on
42  the Altix. Requires user code to be linked with -lrt.
43 */
44 //#define FIX_SGI_CLOCK
45 
46 /* Defines for OpenMP 3.0 tasking and auto scheduling */
47 
48 # ifndef KMP_STATIC_STEAL_ENABLED
49 # define KMP_STATIC_STEAL_ENABLED 1
50 # endif
51 
52 #define TASK_CURRENT_NOT_QUEUED 0
53 #define TASK_CURRENT_QUEUED 1
54 
55 #define TASK_DEQUE_BITS 8 // Used solely to define TASK_DEQUE_SIZE and TASK_DEQUE_MASK.
56 #define TASK_DEQUE_SIZE ( 1 << TASK_DEQUE_BITS )
57 #define TASK_DEQUE_MASK ( TASK_DEQUE_SIZE - 1 )
58 
59 #ifdef BUILD_TIED_TASK_STACK
60 #define TASK_STACK_EMPTY 0 // entries when the stack is empty
61 
62 #define TASK_STACK_BLOCK_BITS 5 // Used to define TASK_STACK_SIZE and TASK_STACK_MASK
63 #define TASK_STACK_BLOCK_SIZE ( 1 << TASK_STACK_BLOCK_BITS ) // Number of entries in each task stack array
64 #define TASK_STACK_INDEX_MASK ( TASK_STACK_BLOCK_SIZE - 1 ) // Mask for determining index into stack block
65 #endif // BUILD_TIED_TASK_STACK
66 
67 #define TASK_NOT_PUSHED 1
68 #define TASK_SUCCESSFULLY_PUSHED 0
69 #define TASK_TIED 1
70 #define TASK_UNTIED 0
71 #define TASK_EXPLICIT 1
72 #define TASK_IMPLICIT 0
73 #define TASK_PROXY 1
74 #define TASK_FULL 0
75 
76 #define KMP_CANCEL_THREADS
77 #define KMP_THREAD_ATTR
78 
79 #include <stdio.h>
80 #include <stdlib.h>
81 #include <stddef.h>
82 #include <stdarg.h>
83 #include <string.h>
84 #include <signal.h>
85 /* include <ctype.h> don't use; problems with /MD on Windows* OS NT due to bad Microsoft library */
86 /* some macros provided below to replace some of these functions */
87 #ifndef __ABSOFT_WIN
88 #include <sys/types.h>
89 #endif
90 #include <limits.h>
91 #include <time.h>
92 
93 #include <errno.h>
94 
95 #include "kmp_os.h"
96 
97 #if KMP_STATS_ENABLED
98 class kmp_stats_list;
99 #endif
100 
101 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
102 #include <xmmintrin.h>
103 #endif
104 
105 #include "kmp_version.h"
106 #include "kmp_debug.h"
107 #include "kmp_lock.h"
108 #if USE_DEBUGGER
109 #include "kmp_debugger.h"
110 #endif
111 #include "kmp_i18n.h"
112 
113 #define KMP_HANDLE_SIGNALS (KMP_OS_LINUX || KMP_OS_FREEBSD || KMP_OS_WINDOWS || KMP_OS_DARWIN)
114 
115 #ifdef KMP_SETVERSION
116 /* from factory/Include, to get VERSION_STRING embedded for 'what' */
117 #include "kaiconfig.h"
118 #include "eye.h"
119 #include "own.h"
120 #include "setversion.h"
121 #endif
122 
123 #include "kmp_wrapper_malloc.h"
124 #if KMP_OS_UNIX
125 # include <unistd.h>
126 # if !defined NSIG && defined _NSIG
127 # define NSIG _NSIG
128 # endif
129 #endif
130 
131 #if KMP_OS_LINUX
132 # pragma weak clock_gettime
133 #endif
134 
135 #if OMPT_SUPPORT
136 #include "ompt-internal.h"
137 #endif
138 
139 /*Select data placement in NUMA memory */
140 #define NO_FIRST_TOUCH 0
141 #define FIRST_TOUCH 1 /* Exploit SGI's first touch page placement algo */
142 
143 /* If not specified on compile command line, assume no first touch */
144 #ifndef BUILD_MEMORY
145 #define BUILD_MEMORY NO_FIRST_TOUCH
146 #endif
147 
148 // 0 - no fast memory allocation, alignment: 8-byte on x86, 16-byte on x64.
149 // 3 - fast allocation using sync, non-sync free lists of any size, non-self free lists of limited size.
150 #ifndef USE_FAST_MEMORY
151 #define USE_FAST_MEMORY 3
152 #endif
153 
154 #ifndef KMP_NESTED_HOT_TEAMS
155 # define KMP_NESTED_HOT_TEAMS 0
156 # define USE_NESTED_HOT_ARG(x)
157 #else
158 # if KMP_NESTED_HOT_TEAMS
159 # if OMP_40_ENABLED
160 # define USE_NESTED_HOT_ARG(x) ,x
161 # else
162 // Nested hot teams feature depends on omp 4.0, disable it for earlier versions
163 # undef KMP_NESTED_HOT_TEAMS
164 # define KMP_NESTED_HOT_TEAMS 0
165 # define USE_NESTED_HOT_ARG(x)
166 # endif
167 # else
168 # define USE_NESTED_HOT_ARG(x)
169 # endif
170 #endif
171 
172 // Assume using BGET compare_exchange instruction instead of lock by default.
173 #ifndef USE_CMP_XCHG_FOR_BGET
174 #define USE_CMP_XCHG_FOR_BGET 1
175 #endif
176 
177 // Test to see if queuing lock is better than bootstrap lock for bget
178 // #ifndef USE_QUEUING_LOCK_FOR_BGET
179 // #define USE_QUEUING_LOCK_FOR_BGET
180 // #endif
181 
182 #define KMP_NSEC_PER_SEC 1000000000L
183 #define KMP_USEC_PER_SEC 1000000L
184 
185 
191 // FIXME DOXYGEN... need to group these flags somehow (Making them an anonymous enum would do it...)
196 #define KMP_IDENT_IMB 0x01
197 
198 #define KMP_IDENT_KMPC 0x02
199 /* 0x04 is no longer used */
201 #define KMP_IDENT_AUTOPAR 0x08
202 
203 #define KMP_IDENT_ATOMIC_REDUCE 0x10
204 
205 #define KMP_IDENT_BARRIER_EXPL 0x20
206 
207 #define KMP_IDENT_BARRIER_IMPL 0x0040
208 #define KMP_IDENT_BARRIER_IMPL_MASK 0x01C0
209 #define KMP_IDENT_BARRIER_IMPL_FOR 0x0040
210 #define KMP_IDENT_BARRIER_IMPL_SECTIONS 0x00C0
211 
212 #define KMP_IDENT_BARRIER_IMPL_SINGLE 0x0140
213 #define KMP_IDENT_BARRIER_IMPL_WORKSHARE 0x01C0
214 
218 typedef struct ident {
219  kmp_int32 reserved_1;
220  kmp_int32 flags;
221  kmp_int32 reserved_2;
222 #if USE_ITT_BUILD
223  /* but currently used for storing region-specific ITT */
224  /* contextual information. */
225 #endif /* USE_ITT_BUILD */
226  kmp_int32 reserved_3;
227  char const *psource;
231 } ident_t;
236 // Some forward declarations.
237 
238 typedef union kmp_team kmp_team_t;
239 typedef struct kmp_taskdata kmp_taskdata_t;
240 typedef union kmp_task_team kmp_task_team_t;
241 typedef union kmp_team kmp_team_p;
242 typedef union kmp_info kmp_info_p;
243 typedef union kmp_root kmp_root_p;
244 
245 
246 #ifdef __cplusplus
247 extern "C" {
248 #endif
249 
250 /* ------------------------------------------------------------------------ */
251 /* ------------------------------------------------------------------------ */
252 
253 /* Pack two 32-bit signed integers into a 64-bit signed integer */
254 /* ToDo: Fix word ordering for big-endian machines. */
255 #define KMP_PACK_64(HIGH_32,LOW_32) \
256  ( (kmp_int64) ((((kmp_uint64)(HIGH_32))<<32) | (kmp_uint64)(LOW_32)) )
257 
258 
259 /*
260  * Generic string manipulation macros.
261  * Assume that _x is of type char *
262  */
263 #define SKIP_WS(_x) { while (*(_x) == ' ' || *(_x) == '\t') (_x)++; }
264 #define SKIP_DIGITS(_x) { while (*(_x) >= '0' && *(_x) <= '9') (_x)++; }
265 #define SKIP_TO(_x,_c) { while (*(_x) != '\0' && *(_x) != (_c)) (_x)++; }
266 
267 /* ------------------------------------------------------------------------ */
268 /* ------------------------------------------------------------------------ */
269 
270 #define KMP_MAX( x, y ) ( (x) > (y) ? (x) : (y) )
271 #define KMP_MIN( x, y ) ( (x) < (y) ? (x) : (y) )
272 
273 /* ------------------------------------------------------------------------ */
274 /* ------------------------------------------------------------------------ */
275 
276 
277 /* Enumeration types */
278 
279 enum kmp_state_timer {
280  ts_stop,
281  ts_start,
282  ts_pause,
283 
284  ts_last_state
285 };
286 
287 enum dynamic_mode {
288  dynamic_default,
289 #ifdef USE_LOAD_BALANCE
290  dynamic_load_balance,
291 #endif /* USE_LOAD_BALANCE */
292  dynamic_random,
293  dynamic_thread_limit,
294  dynamic_max
295 };
296 
297 /* external schedule constants, duplicate enum omp_sched in omp.h in order to not include it here */
298 #ifndef KMP_SCHED_TYPE_DEFINED
299 #define KMP_SCHED_TYPE_DEFINED
300 typedef enum kmp_sched {
301  kmp_sched_lower = 0, // lower and upper bounds are for routine parameter check
302  // Note: need to adjust __kmp_sch_map global array in case this enum is changed
303  kmp_sched_static = 1, // mapped to kmp_sch_static_chunked (33)
304  kmp_sched_dynamic = 2, // mapped to kmp_sch_dynamic_chunked (35)
305  kmp_sched_guided = 3, // mapped to kmp_sch_guided_chunked (36)
306  kmp_sched_auto = 4, // mapped to kmp_sch_auto (38)
307  kmp_sched_upper_std = 5, // upper bound for standard schedules
308  kmp_sched_lower_ext = 100, // lower bound of Intel extension schedules
309  kmp_sched_trapezoidal = 101, // mapped to kmp_sch_trapezoidal (39)
310 // kmp_sched_static_steal = 102, // mapped to kmp_sch_static_steal (44)
311  kmp_sched_upper = 102,
312  kmp_sched_default = kmp_sched_static // default scheduling
313 } kmp_sched_t;
314 #endif
315 
322  kmp_sch_static_chunked = 33,
324  kmp_sch_dynamic_chunked = 35,
326  kmp_sch_runtime = 37,
328  kmp_sch_trapezoidal = 39,
329 
330  /* accessible only through KMP_SCHEDULE environment variable */
331  kmp_sch_static_greedy = 40,
332  kmp_sch_static_balanced = 41,
333  /* accessible only through KMP_SCHEDULE environment variable */
334  kmp_sch_guided_iterative_chunked = 42,
335  kmp_sch_guided_analytical_chunked = 43,
336 
339  /* accessible only through KMP_SCHEDULE environment variable */
343  kmp_ord_static_chunked = 65,
345  kmp_ord_dynamic_chunked = 67,
346  kmp_ord_guided_chunked = 68,
347  kmp_ord_runtime = 69,
349  kmp_ord_trapezoidal = 71,
352 #if OMP_40_ENABLED
353  /* Schedules for Distribute construct */
356 #endif
357 
358  /*
359  * For the "nomerge" versions, kmp_dispatch_next*() will always return
360  * a single iteration/chunk, even if the loop is serialized. For the
361  * schedule types listed above, the entire iteration vector is returned
362  * if the loop is serialized. This doesn't work for gcc/gcomp sections.
363  */
364  kmp_nm_lower = 160,
366  kmp_nm_static_chunked = (kmp_sch_static_chunked - kmp_sch_lower + kmp_nm_lower),
368  kmp_nm_dynamic_chunked = 163,
370  kmp_nm_runtime = 165,
371  kmp_nm_auto = 166,
372  kmp_nm_trapezoidal = 167,
373 
374  /* accessible only through KMP_SCHEDULE environment variable */
375  kmp_nm_static_greedy = 168,
376  kmp_nm_static_balanced = 169,
377  /* accessible only through KMP_SCHEDULE environment variable */
378  kmp_nm_guided_iterative_chunked = 170,
379  kmp_nm_guided_analytical_chunked = 171,
380  kmp_nm_static_steal = 172, /* accessible only through OMP_SCHEDULE environment variable */
381 
382  kmp_nm_ord_static_chunked = 193,
384  kmp_nm_ord_dynamic_chunked = 195,
385  kmp_nm_ord_guided_chunked = 196,
386  kmp_nm_ord_runtime = 197,
388  kmp_nm_ord_trapezoidal = 199,
389  kmp_nm_upper = 200,
392 };
393 
394 /* Type to keep runtime schedule set via OMP_SCHEDULE or omp_set_schedule() */
395 typedef struct kmp_r_sched {
396  enum sched_type r_sched_type;
397  int chunk;
398 } kmp_r_sched_t;
399 
400 extern enum sched_type __kmp_sch_map[]; // map OMP 3.0 schedule types with our internal schedule types
401 
402 enum library_type {
403  library_none,
404  library_serial,
405  library_turnaround,
406  library_throughput
407 };
408 
409 #if KMP_OS_LINUX
410 enum clock_function_type {
411  clock_function_gettimeofday,
412  clock_function_clock_gettime
413 };
414 #endif /* KMP_OS_LINUX */
415 
416 #if KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_WINDOWS)
417 enum mic_type {
418  non_mic,
419  mic1,
420  mic2,
421  mic3,
422  dummy
423 };
424 #endif
425 
426 /* ------------------------------------------------------------------------ */
427 /* -- fast reduction stuff ------------------------------------------------ */
428 
429 #undef KMP_FAST_REDUCTION_BARRIER
430 #define KMP_FAST_REDUCTION_BARRIER 1
431 
432 #undef KMP_FAST_REDUCTION_CORE_DUO
433 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
434  #define KMP_FAST_REDUCTION_CORE_DUO 1
435 #endif
436 
437 enum _reduction_method {
438  reduction_method_not_defined = 0,
439  critical_reduce_block = ( 1 << 8 ),
440  atomic_reduce_block = ( 2 << 8 ),
441  tree_reduce_block = ( 3 << 8 ),
442  empty_reduce_block = ( 4 << 8 )
443 };
444 
445 // description of the packed_reduction_method variable
446 // the packed_reduction_method variable consists of two enum types variables that are packed together into 0-th byte and 1-st byte:
447 // 0: ( packed_reduction_method & 0x000000FF ) is a 'enum barrier_type' value of barrier that will be used in fast reduction: bs_plain_barrier or bs_reduction_barrier
448 // 1: ( packed_reduction_method & 0x0000FF00 ) is a reduction method that will be used in fast reduction;
449 // reduction method is of 'enum _reduction_method' type and it's defined the way so that the bits of 0-th byte are empty,
450 // so no need to execute a shift instruction while packing/unpacking
451 
452 #if KMP_FAST_REDUCTION_BARRIER
453  #define PACK_REDUCTION_METHOD_AND_BARRIER(reduction_method,barrier_type) \
454  ( ( reduction_method ) | ( barrier_type ) )
455 
456  #define UNPACK_REDUCTION_METHOD(packed_reduction_method) \
457  ( ( enum _reduction_method )( ( packed_reduction_method ) & ( 0x0000FF00 ) ) )
458 
459  #define UNPACK_REDUCTION_BARRIER(packed_reduction_method) \
460  ( ( enum barrier_type )( ( packed_reduction_method ) & ( 0x000000FF ) ) )
461 #else
462  #define PACK_REDUCTION_METHOD_AND_BARRIER(reduction_method,barrier_type) \
463  ( reduction_method )
464 
465  #define UNPACK_REDUCTION_METHOD(packed_reduction_method) \
466  ( packed_reduction_method )
467 
468  #define UNPACK_REDUCTION_BARRIER(packed_reduction_method) \
469  ( bs_plain_barrier )
470 #endif
471 
472 #define TEST_REDUCTION_METHOD(packed_reduction_method,which_reduction_block) \
473  ( ( UNPACK_REDUCTION_METHOD( packed_reduction_method ) ) == ( which_reduction_block ) )
474 
475 #if KMP_FAST_REDUCTION_BARRIER
476  #define TREE_REDUCE_BLOCK_WITH_REDUCTION_BARRIER \
477  ( PACK_REDUCTION_METHOD_AND_BARRIER( tree_reduce_block, bs_reduction_barrier ) )
478 
479  #define TREE_REDUCE_BLOCK_WITH_PLAIN_BARRIER \
480  ( PACK_REDUCTION_METHOD_AND_BARRIER( tree_reduce_block, bs_plain_barrier ) )
481 #endif
482 
483 typedef int PACKED_REDUCTION_METHOD_T;
484 
485 /* -- end of fast reduction stuff ----------------------------------------- */
486 
487 /* ------------------------------------------------------------------------ */
488 /* ------------------------------------------------------------------------ */
489 
490 #if KMP_OS_WINDOWS
491 # define USE_CBLKDATA
492 # pragma warning( push )
493 # pragma warning( disable: 271 310 )
494 # include <windows.h>
495 # pragma warning( pop )
496 #endif
497 
498 #if KMP_OS_UNIX
499 # include <pthread.h>
500 # include <dlfcn.h>
501 #endif
502 
503 /* ------------------------------------------------------------------------ */
504 /* ------------------------------------------------------------------------ */
505 
506 /*
507  * Only Linux* OS and Windows* OS support thread affinity.
508  */
509 #if KMP_AFFINITY_SUPPORTED
510 
511 extern size_t __kmp_affin_mask_size;
512 # define KMP_AFFINITY_CAPABLE() (__kmp_affin_mask_size > 0)
513 # define KMP_AFFINITY_DISABLE() (__kmp_affin_mask_size = 0)
514 # define KMP_AFFINITY_ENABLE(mask_size) (__kmp_affin_mask_size = mask_size)
515 # define KMP_CPU_SETSIZE (__kmp_affin_mask_size * CHAR_BIT)
516 
517 # if KMP_OS_LINUX
518 //
519 // On Linux* OS, the mask is actually a vector of length __kmp_affin_mask_size
520 // (in bytes). It should be allocated on a word boundary.
521 //
522 // WARNING!!! We have made the base type of the affinity mask unsigned char,
523 // in order to eliminate a lot of checks that the true system mask size is
524 // really a multiple of 4 bytes (on Linux* OS).
525 //
526 // THESE MACROS WON'T WORK PROPERLY ON BIG ENDIAN MACHINES!!!
527 //
528 
529 typedef unsigned char kmp_affin_mask_t;
530 
531 # define _KMP_CPU_SET(i,mask) (mask[i/CHAR_BIT] |= (((kmp_affin_mask_t)1) << (i % CHAR_BIT)))
532 # define KMP_CPU_SET(i,mask) _KMP_CPU_SET((i), ((kmp_affin_mask_t *)(mask)))
533 # define _KMP_CPU_ISSET(i,mask) (!!(mask[i/CHAR_BIT] & (((kmp_affin_mask_t)1) << (i % CHAR_BIT))))
534 # define KMP_CPU_ISSET(i,mask) _KMP_CPU_ISSET((i), ((kmp_affin_mask_t *)(mask)))
535 # define _KMP_CPU_CLR(i,mask) (mask[i/CHAR_BIT] &= ~(((kmp_affin_mask_t)1) << (i % CHAR_BIT)))
536 # define KMP_CPU_CLR(i,mask) _KMP_CPU_CLR((i), ((kmp_affin_mask_t *)(mask)))
537 
538 # define KMP_CPU_ZERO(mask) \
539  { \
540  size_t __i; \
541  for (__i = 0; __i < __kmp_affin_mask_size; __i++) { \
542  ((kmp_affin_mask_t *)(mask))[__i] = 0; \
543  } \
544  }
545 
546 # define KMP_CPU_COPY(dest, src) \
547  { \
548  size_t __i; \
549  for (__i = 0; __i < __kmp_affin_mask_size; __i++) { \
550  ((kmp_affin_mask_t *)(dest))[__i] \
551  = ((kmp_affin_mask_t *)(src))[__i]; \
552  } \
553  }
554 
555 # define KMP_CPU_COMPLEMENT(mask) \
556  { \
557  size_t __i; \
558  for (__i = 0; __i < __kmp_affin_mask_size; __i++) { \
559  ((kmp_affin_mask_t *)(mask))[__i] \
560  = ~((kmp_affin_mask_t *)(mask))[__i]; \
561  } \
562  }
563 
564 # define KMP_CPU_UNION(dest, src) \
565  { \
566  size_t __i; \
567  for (__i = 0; __i < __kmp_affin_mask_size; __i++) { \
568  ((kmp_affin_mask_t *)(dest))[__i] \
569  |= ((kmp_affin_mask_t *)(src))[__i]; \
570  } \
571  }
572 
573 # endif /* KMP_OS_LINUX */
574 
575 # if KMP_OS_WINDOWS
576 //
577 // On Windows* OS, the mask size is 4 bytes for IA-32 architecture, and on
578 // Intel(R) 64 it is 8 bytes times the number of processor groups.
579 //
580 
581 # if KMP_GROUP_AFFINITY
582 
583 // GROUP_AFFINITY is already defined for _MSC_VER>=1600 (VS2010 and later).
584 # if _MSC_VER < 1600
585 typedef struct GROUP_AFFINITY {
586  KAFFINITY Mask;
587  WORD Group;
588  WORD Reserved[3];
589 } GROUP_AFFINITY;
590 # endif
591 
592 typedef DWORD_PTR kmp_affin_mask_t;
593 
594 extern int __kmp_num_proc_groups;
595 
596 # define _KMP_CPU_SET(i,mask) \
597  (mask[i/(CHAR_BIT * sizeof(kmp_affin_mask_t))] |= \
598  (((kmp_affin_mask_t)1) << (i % (CHAR_BIT * sizeof(kmp_affin_mask_t)))))
599 
600 # define KMP_CPU_SET(i,mask) \
601  _KMP_CPU_SET((i), ((kmp_affin_mask_t *)(mask)))
602 
603 # define _KMP_CPU_ISSET(i,mask) \
604  (!!(mask[i/(CHAR_BIT * sizeof(kmp_affin_mask_t))] & \
605  (((kmp_affin_mask_t)1) << (i % (CHAR_BIT * sizeof(kmp_affin_mask_t))))))
606 
607 # define KMP_CPU_ISSET(i,mask) \
608  _KMP_CPU_ISSET((i), ((kmp_affin_mask_t *)(mask)))
609 
610 # define _KMP_CPU_CLR(i,mask) \
611  (mask[i/(CHAR_BIT * sizeof(kmp_affin_mask_t))] &= \
612  ~(((kmp_affin_mask_t)1) << (i % (CHAR_BIT * sizeof(kmp_affin_mask_t)))))
613 
614 # define KMP_CPU_CLR(i,mask) \
615  _KMP_CPU_CLR((i), ((kmp_affin_mask_t *)(mask)))
616 
617 # define KMP_CPU_ZERO(mask) \
618  { \
619  int __i; \
620  for (__i = 0; __i < __kmp_num_proc_groups; __i++) { \
621  ((kmp_affin_mask_t *)(mask))[__i] = 0; \
622  } \
623  }
624 
625 # define KMP_CPU_COPY(dest, src) \
626  { \
627  int __i; \
628  for (__i = 0; __i < __kmp_num_proc_groups; __i++) { \
629  ((kmp_affin_mask_t *)(dest))[__i] \
630  = ((kmp_affin_mask_t *)(src))[__i]; \
631  } \
632  }
633 
634 # define KMP_CPU_COMPLEMENT(mask) \
635  { \
636  int __i; \
637  for (__i = 0; __i < __kmp_num_proc_groups; __i++) { \
638  ((kmp_affin_mask_t *)(mask))[__i] \
639  = ~((kmp_affin_mask_t *)(mask))[__i]; \
640  } \
641  }
642 
643 # define KMP_CPU_UNION(dest, src) \
644  { \
645  int __i; \
646  for (__i = 0; __i < __kmp_num_proc_groups; __i++) { \
647  ((kmp_affin_mask_t *)(dest))[__i] \
648  |= ((kmp_affin_mask_t *)(src))[__i]; \
649  } \
650  }
651 
652 typedef DWORD (*kmp_GetActiveProcessorCount_t)(WORD);
653 extern kmp_GetActiveProcessorCount_t __kmp_GetActiveProcessorCount;
654 
655 typedef WORD (*kmp_GetActiveProcessorGroupCount_t)(void);
656 extern kmp_GetActiveProcessorGroupCount_t __kmp_GetActiveProcessorGroupCount;
657 
658 typedef BOOL (*kmp_GetThreadGroupAffinity_t)(HANDLE, GROUP_AFFINITY *);
659 extern kmp_GetThreadGroupAffinity_t __kmp_GetThreadGroupAffinity;
660 
661 typedef BOOL (*kmp_SetThreadGroupAffinity_t)(HANDLE, const GROUP_AFFINITY *, GROUP_AFFINITY *);
662 extern kmp_SetThreadGroupAffinity_t __kmp_SetThreadGroupAffinity;
663 
664 extern int __kmp_get_proc_group(kmp_affin_mask_t const *mask);
665 
666 # else
667 
668 typedef DWORD kmp_affin_mask_t; /* for compatibility with older winbase.h */
669 
670 # define KMP_CPU_SET(i,mask) (*(mask) |= (((kmp_affin_mask_t)1) << (i)))
671 # define KMP_CPU_ISSET(i,mask) (!!(*(mask) & (((kmp_affin_mask_t)1) << (i))))
672 # define KMP_CPU_CLR(i,mask) (*(mask) &= ~(((kmp_affin_mask_t)1) << (i)))
673 # define KMP_CPU_ZERO(mask) (*(mask) = 0)
674 # define KMP_CPU_COPY(dest, src) (*(dest) = *(src))
675 # define KMP_CPU_COMPLEMENT(mask) (*(mask) = ~*(mask))
676 # define KMP_CPU_UNION(dest, src) (*(dest) |= *(src))
677 
678 # endif /* KMP_GROUP_AFFINITY */
679 
680 # endif /* KMP_OS_WINDOWS */
681 
682 //
683 // __kmp_allocate() will return memory allocated on a 4-bytes boundary.
684 // after zeroing it - it takes care of those assumptions stated above.
685 //
686 # define KMP_CPU_ALLOC(ptr) \
687  (ptr = ((kmp_affin_mask_t *)__kmp_allocate(__kmp_affin_mask_size)))
688 # define KMP_CPU_FREE(ptr) __kmp_free(ptr)
689 
690 //
691 // The following macro should be used to index an array of masks.
692 // The array should be declared as "kmp_affinity_t *" and allocated with
693 // size "__kmp_affinity_mask_size * len". The macro takes care of the fact
694 // that on Windows* OS, sizeof(kmp_affin_t) is really the size of the mask, but
695 // on Linux* OS, sizeof(kmp_affin_t) is 1.
696 //
697 # define KMP_CPU_INDEX(array,i) \
698  ((kmp_affin_mask_t *)(((char *)(array)) + (i) * __kmp_affin_mask_size))
699 
700 //
701 // Declare local char buffers with this size for printing debug and info
702 // messages, using __kmp_affinity_print_mask().
703 //
704 #define KMP_AFFIN_MASK_PRINT_LEN 1024
705 
706 enum affinity_type {
707  affinity_none = 0,
708  affinity_physical,
709  affinity_logical,
710  affinity_compact,
711  affinity_scatter,
712  affinity_explicit,
713  affinity_balanced,
714  affinity_disabled, // not used outsize the env var parser
715  affinity_default
716 };
717 
718 enum affinity_gran {
719  affinity_gran_fine = 0,
720  affinity_gran_thread,
721  affinity_gran_core,
722  affinity_gran_package,
723  affinity_gran_node,
724 #if KMP_GROUP_AFFINITY
725  //
726  // The "group" granularity isn't necesssarily coarser than all of the
727  // other levels, but we put it last in the enum.
728  //
729  affinity_gran_group,
730 #endif /* KMP_GROUP_AFFINITY */
731  affinity_gran_default
732 };
733 
734 enum affinity_top_method {
735  affinity_top_method_all = 0, // try all (supported) methods, in order
736 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
737  affinity_top_method_apicid,
738  affinity_top_method_x2apicid,
739 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
740  affinity_top_method_cpuinfo, // KMP_CPUINFO_FILE is usable on Windows* OS, too
741 #if KMP_GROUP_AFFINITY
742  affinity_top_method_group,
743 #endif /* KMP_GROUP_AFFINITY */
744  affinity_top_method_flat,
745  affinity_top_method_default
746 };
747 
748 #define affinity_respect_mask_default (-1)
749 
750 extern enum affinity_type __kmp_affinity_type; /* Affinity type */
751 extern enum affinity_gran __kmp_affinity_gran; /* Affinity granularity */
752 extern int __kmp_affinity_gran_levels; /* corresponding int value */
753 extern int __kmp_affinity_dups; /* Affinity duplicate masks */
754 extern enum affinity_top_method __kmp_affinity_top_method;
755 extern int __kmp_affinity_compact; /* Affinity 'compact' value */
756 extern int __kmp_affinity_offset; /* Affinity offset value */
757 extern int __kmp_affinity_verbose; /* Was verbose specified for KMP_AFFINITY? */
758 extern int __kmp_affinity_warnings; /* KMP_AFFINITY warnings enabled ? */
759 extern int __kmp_affinity_respect_mask; /* Respect process' initial affinity mask? */
760 extern char * __kmp_affinity_proclist; /* proc ID list */
761 extern kmp_affin_mask_t *__kmp_affinity_masks;
762 extern unsigned __kmp_affinity_num_masks;
763 extern int __kmp_get_system_affinity(kmp_affin_mask_t *mask, int abort_on_error);
764 extern int __kmp_set_system_affinity(kmp_affin_mask_t const *mask, int abort_on_error);
765 extern void __kmp_affinity_bind_thread(int which);
766 
767 # if KMP_OS_LINUX
768 extern kmp_affin_mask_t *__kmp_affinity_get_fullMask();
769 # endif /* KMP_OS_LINUX */
770 extern char const * __kmp_cpuinfo_file;
771 
772 #endif /* KMP_AFFINITY_SUPPORTED */
773 
774 #if OMP_40_ENABLED
775 
776 //
777 // This needs to be kept in sync with the values in omp.h !!!
778 //
779 typedef enum kmp_proc_bind_t {
780  proc_bind_false = 0,
781  proc_bind_true,
782  proc_bind_master,
783  proc_bind_close,
784  proc_bind_spread,
785  proc_bind_intel, // use KMP_AFFINITY interface
786  proc_bind_default
787 } kmp_proc_bind_t;
788 
789 typedef struct kmp_nested_proc_bind_t {
790  kmp_proc_bind_t *bind_types;
791  int size;
792  int used;
793 } kmp_nested_proc_bind_t;
794 
795 extern kmp_nested_proc_bind_t __kmp_nested_proc_bind;
796 
797 #endif /* OMP_40_ENABLED */
798 
799 # if KMP_AFFINITY_SUPPORTED
800 # define KMP_PLACE_ALL (-1)
801 # define KMP_PLACE_UNDEFINED (-2)
802 # endif /* KMP_AFFINITY_SUPPORTED */
803 
804 extern int __kmp_affinity_num_places;
805 
806 
807 #if OMP_40_ENABLED
808 typedef enum kmp_cancel_kind_t {
809  cancel_noreq = 0,
810  cancel_parallel = 1,
811  cancel_loop = 2,
812  cancel_sections = 3,
813  cancel_taskgroup = 4
814 } kmp_cancel_kind_t;
815 #endif // OMP_40_ENABLED
816 
817 extern int __kmp_place_num_sockets;
818 extern int __kmp_place_socket_offset;
819 extern int __kmp_place_num_cores;
820 extern int __kmp_place_core_offset;
821 extern int __kmp_place_num_threads_per_core;
822 
823 /* ------------------------------------------------------------------------ */
824 /* ------------------------------------------------------------------------ */
825 
826 #define KMP_PAD(type, sz) (sizeof(type) + (sz - ((sizeof(type) - 1) % (sz)) - 1))
827 
828 //
829 // We need to avoid using -1 as a GTID as +1 is added to the gtid
830 // when storing it in a lock, and the value 0 is reserved.
831 //
832 #define KMP_GTID_DNE (-2) /* Does not exist */
833 #define KMP_GTID_SHUTDOWN (-3) /* Library is shutting down */
834 #define KMP_GTID_MONITOR (-4) /* Monitor thread ID */
835 #define KMP_GTID_UNKNOWN (-5) /* Is not known */
836 #define KMP_GTID_MIN (-6) /* Minimal gtid for low bound check in DEBUG */
837 
838 #define __kmp_get_gtid() __kmp_get_global_thread_id()
839 #define __kmp_entry_gtid() __kmp_get_global_thread_id_reg()
840 
841 #define __kmp_tid_from_gtid(gtid) ( KMP_DEBUG_ASSERT( (gtid) >= 0 ), \
842  __kmp_threads[ (gtid) ]->th.th_info.ds.ds_tid )
843 
844 #define __kmp_get_tid() ( __kmp_tid_from_gtid( __kmp_get_gtid() ) )
845 #define __kmp_gtid_from_tid(tid,team) ( KMP_DEBUG_ASSERT( (tid) >= 0 && (team) != NULL ), \
846  team -> t.t_threads[ (tid) ] -> th.th_info .ds.ds_gtid )
847 
848 #define __kmp_get_team() ( __kmp_threads[ (__kmp_get_gtid()) ]-> th.th_team )
849 #define __kmp_team_from_gtid(gtid) ( KMP_DEBUG_ASSERT( (gtid) >= 0 ), \
850  __kmp_threads[ (gtid) ]-> th.th_team )
851 
852 #define __kmp_thread_from_gtid(gtid) ( KMP_DEBUG_ASSERT( (gtid) >= 0 ), __kmp_threads[ (gtid) ] )
853 #define __kmp_get_thread() ( __kmp_thread_from_gtid( __kmp_get_gtid() ) )
854 
855  // Returns current thread (pointer to kmp_info_t). In contrast to __kmp_get_thread(), it works
856  // with registered and not-yet-registered threads.
857 #define __kmp_gtid_from_thread(thr) ( KMP_DEBUG_ASSERT( (thr) != NULL ), \
858  (thr)->th.th_info.ds.ds_gtid )
859 
860 // AT: Which way is correct?
861 // AT: 1. nproc = __kmp_threads[ ( gtid ) ] -> th.th_team -> t.t_nproc;
862 // AT: 2. nproc = __kmp_threads[ ( gtid ) ] -> th.th_team_nproc;
863 #define __kmp_get_team_num_threads(gtid) ( __kmp_threads[ ( gtid ) ] -> th.th_team -> t.t_nproc )
864 
865 
866 /* ------------------------------------------------------------------------ */
867 /* ------------------------------------------------------------------------ */
868 
869 #define KMP_UINT64_MAX (~((kmp_uint64)1<<((sizeof(kmp_uint64)*(1<<3))-1)))
870 
871 #define KMP_MIN_NTH 1
872 
873 #ifndef KMP_MAX_NTH
874 # ifdef PTHREAD_THREADS_MAX
875 # define KMP_MAX_NTH PTHREAD_THREADS_MAX
876 # else
877 # define KMP_MAX_NTH (32 * 1024)
878 # endif
879 #endif /* KMP_MAX_NTH */
880 
881 #ifdef PTHREAD_STACK_MIN
882 # define KMP_MIN_STKSIZE PTHREAD_STACK_MIN
883 #else
884 # define KMP_MIN_STKSIZE ((size_t)(32 * 1024))
885 #endif
886 
887 #define KMP_MAX_STKSIZE (~((size_t)1<<((sizeof(size_t)*(1<<3))-1)))
888 
889 #if KMP_ARCH_X86
890 # define KMP_DEFAULT_STKSIZE ((size_t)(2 * 1024 * 1024))
891 #elif KMP_ARCH_X86_64
892 # define KMP_DEFAULT_STKSIZE ((size_t)(4 * 1024 * 1024))
893 # define KMP_BACKUP_STKSIZE ((size_t)(2 * 1024 * 1024))
894 #else
895 # define KMP_DEFAULT_STKSIZE ((size_t)(1024 * 1024))
896 #endif
897 
898 #define KMP_DEFAULT_MONITOR_STKSIZE ((size_t)(64 * 1024))
899 
900 #define KMP_DEFAULT_MALLOC_POOL_INCR ((size_t) (1024 * 1024))
901 #define KMP_MIN_MALLOC_POOL_INCR ((size_t) (4 * 1024))
902 #define KMP_MAX_MALLOC_POOL_INCR (~((size_t)1<<((sizeof(size_t)*(1<<3))-1)))
903 
904 #define KMP_MIN_STKOFFSET (0)
905 #define KMP_MAX_STKOFFSET KMP_MAX_STKSIZE
906 #if KMP_OS_DARWIN
907 # define KMP_DEFAULT_STKOFFSET KMP_MIN_STKOFFSET
908 #else
909 # define KMP_DEFAULT_STKOFFSET CACHE_LINE
910 #endif
911 
912 #define KMP_MIN_STKPADDING (0)
913 #define KMP_MAX_STKPADDING (2 * 1024 * 1024)
914 
915 #define KMP_MIN_MONITOR_WAKEUPS (1) /* min number of times monitor wakes up per second */
916 #define KMP_MAX_MONITOR_WAKEUPS (1000) /* maximum number of times monitor can wake up per second */
917 #define KMP_BLOCKTIME_MULTIPLIER (1000) /* number of blocktime units per second */
918 #define KMP_MIN_BLOCKTIME (0)
919 #define KMP_MAX_BLOCKTIME (INT_MAX) /* Must be this for "infinite" setting the work */
920 #define KMP_DEFAULT_BLOCKTIME (200) /* __kmp_blocktime is in milliseconds */
921 /* Calculate new number of monitor wakeups for a specific block time based on previous monitor_wakeups */
922 /* Only allow increasing number of wakeups */
923 #define KMP_WAKEUPS_FROM_BLOCKTIME(blocktime, monitor_wakeups) \
924  ( ((blocktime) == KMP_MAX_BLOCKTIME) ? (monitor_wakeups) : \
925  ((blocktime) == KMP_MIN_BLOCKTIME) ? KMP_MAX_MONITOR_WAKEUPS : \
926  ((monitor_wakeups) > (KMP_BLOCKTIME_MULTIPLIER / (blocktime))) ? (monitor_wakeups) : \
927  (KMP_BLOCKTIME_MULTIPLIER) / (blocktime) )
928 
929 /* Calculate number of intervals for a specific block time based on monitor_wakeups */
930 #define KMP_INTERVALS_FROM_BLOCKTIME(blocktime, monitor_wakeups) \
931  ( ( (blocktime) + (KMP_BLOCKTIME_MULTIPLIER / (monitor_wakeups)) - 1 ) / \
932  (KMP_BLOCKTIME_MULTIPLIER / (monitor_wakeups)) )
933 
934 #define KMP_MIN_STATSCOLS 40
935 #define KMP_MAX_STATSCOLS 4096
936 #define KMP_DEFAULT_STATSCOLS 80
937 
938 #define KMP_MIN_INTERVAL 0
939 #define KMP_MAX_INTERVAL (INT_MAX-1)
940 #define KMP_DEFAULT_INTERVAL 0
941 
942 #define KMP_MIN_CHUNK 1
943 #define KMP_MAX_CHUNK (INT_MAX-1)
944 #define KMP_DEFAULT_CHUNK 1
945 
946 #define KMP_MIN_INIT_WAIT 1
947 #define KMP_MAX_INIT_WAIT (INT_MAX/2)
948 #define KMP_DEFAULT_INIT_WAIT 2048U
949 
950 #define KMP_MIN_NEXT_WAIT 1
951 #define KMP_MAX_NEXT_WAIT (INT_MAX/2)
952 #define KMP_DEFAULT_NEXT_WAIT 1024U
953 
954 // max possible dynamic loops in concurrent execution per team
955 #define KMP_MAX_DISP_BUF 7
956 #define KMP_MAX_ORDERED 8
957 
958 #define KMP_MAX_FIELDS 32
959 
960 #define KMP_MAX_BRANCH_BITS 31
961 
962 #define KMP_MAX_ACTIVE_LEVELS_LIMIT INT_MAX
963 
964 /* Minimum number of threads before switch to TLS gtid (experimentally determined) */
965 /* josh TODO: what about OS X* tuning? */
966 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
967 # define KMP_TLS_GTID_MIN 5
968 #else
969 # define KMP_TLS_GTID_MIN INT_MAX
970 #endif
971 
972 #define KMP_MASTER_TID(tid) ( (tid) == 0 )
973 #define KMP_WORKER_TID(tid) ( (tid) != 0 )
974 
975 #define KMP_MASTER_GTID(gtid) ( __kmp_tid_from_gtid((gtid)) == 0 )
976 #define KMP_WORKER_GTID(gtid) ( __kmp_tid_from_gtid((gtid)) != 0 )
977 #define KMP_UBER_GTID(gtid) \
978  ( \
979  KMP_DEBUG_ASSERT( (gtid) >= KMP_GTID_MIN ), \
980  KMP_DEBUG_ASSERT( (gtid) < __kmp_threads_capacity ), \
981  (gtid) >= 0 && __kmp_root[(gtid)] && __kmp_threads[(gtid)] && \
982  (__kmp_threads[(gtid)] == __kmp_root[(gtid)]->r.r_uber_thread)\
983  )
984 #define KMP_INITIAL_GTID(gtid) ( (gtid) == 0 )
985 
986 #ifndef TRUE
987 #define FALSE 0
988 #define TRUE (! FALSE)
989 #endif
990 
991 /* NOTE: all of the following constants must be even */
992 
993 #if KMP_OS_WINDOWS
994 # define KMP_INIT_WAIT 64U /* initial number of spin-tests */
995 # define KMP_NEXT_WAIT 32U /* susequent number of spin-tests */
996 #elif KMP_OS_CNK
997 # define KMP_INIT_WAIT 16U /* initial number of spin-tests */
998 # define KMP_NEXT_WAIT 8U /* susequent number of spin-tests */
999 #elif KMP_OS_LINUX
1000 # define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
1001 # define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
1002 #elif KMP_OS_DARWIN
1003 /* TODO: tune for KMP_OS_DARWIN */
1004 # define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
1005 # define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
1006 #elif KMP_OS_FREEBSD
1007 /* TODO: tune for KMP_OS_FREEBSD */
1008 # define KMP_INIT_WAIT 1024U /* initial number of spin-tests */
1009 # define KMP_NEXT_WAIT 512U /* susequent number of spin-tests */
1010 #endif
1011 
1012 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
1013 typedef struct kmp_cpuid {
1014  kmp_uint32 eax;
1015  kmp_uint32 ebx;
1016  kmp_uint32 ecx;
1017  kmp_uint32 edx;
1018 } kmp_cpuid_t;
1019 extern void __kmp_x86_cpuid( int mode, int mode2, struct kmp_cpuid *p );
1020 # if KMP_ARCH_X86
1021  extern void __kmp_x86_pause( void );
1022 # elif KMP_MIC
1023  static void __kmp_x86_pause( void ) { _mm_delay_32( 100 ); };
1024 # else
1025  static void __kmp_x86_pause( void ) { _mm_pause(); };
1026 # endif
1027 # define KMP_CPU_PAUSE() __kmp_x86_pause()
1028 #elif KMP_ARCH_PPC64
1029 # define KMP_PPC64_PRI_LOW() __asm__ volatile ("or 1, 1, 1")
1030 # define KMP_PPC64_PRI_MED() __asm__ volatile ("or 2, 2, 2")
1031 # define KMP_PPC64_PRI_LOC_MB() __asm__ volatile ("" : : : "memory")
1032 # define KMP_CPU_PAUSE() do { KMP_PPC64_PRI_LOW(); KMP_PPC64_PRI_MED(); KMP_PPC64_PRI_LOC_MB(); } while (0)
1033 #else
1034 # define KMP_CPU_PAUSE() /* nothing to do */
1035 #endif
1036 
1037 #define KMP_INIT_YIELD(count) { (count) = __kmp_yield_init; }
1038 
1039 #define KMP_YIELD(cond) { KMP_CPU_PAUSE(); __kmp_yield( (cond) ); }
1040 
1041 // Note the decrement of 2 in the following Macros. With KMP_LIBRARY=turnaround,
1042 // there should be no yielding since the starting value from KMP_INIT_YIELD() is odd.
1043 
1044 #define KMP_YIELD_WHEN(cond,count) { KMP_CPU_PAUSE(); (count) -= 2; \
1045  if (!(count)) { KMP_YIELD(cond); (count) = __kmp_yield_next; } }
1046 #define KMP_YIELD_SPIN(count) { KMP_CPU_PAUSE(); (count) -=2; \
1047  if (!(count)) { KMP_YIELD(1); (count) = __kmp_yield_next; } }
1048 
1049 /* ------------------------------------------------------------------------ */
1050 /* Support datatypes for the orphaned construct nesting checks. */
1051 /* ------------------------------------------------------------------------ */
1052 
1053 enum cons_type {
1054  ct_none,
1055  ct_parallel,
1056  ct_pdo,
1057  ct_pdo_ordered,
1058  ct_psections,
1059  ct_psingle,
1060 
1061  /* the following must be left in order and not split up */
1062  ct_taskq,
1063  ct_task, /* really task inside non-ordered taskq, considered a worksharing type */
1064  ct_task_ordered, /* really task inside ordered taskq, considered a worksharing type */
1065  /* the preceding must be left in order and not split up */
1066 
1067  ct_critical,
1068  ct_ordered_in_parallel,
1069  ct_ordered_in_pdo,
1070  ct_ordered_in_taskq,
1071  ct_master,
1072  ct_reduce,
1073  ct_barrier
1074 };
1075 
1076 /* test to see if we are in a taskq construct */
1077 # define IS_CONS_TYPE_TASKQ( ct ) ( ((int)(ct)) >= ((int)ct_taskq) && ((int)(ct)) <= ((int)ct_task_ordered) )
1078 # define IS_CONS_TYPE_ORDERED( ct ) ((ct) == ct_pdo_ordered || (ct) == ct_task_ordered)
1079 
1080 struct cons_data {
1081  ident_t const *ident;
1082  enum cons_type type;
1083  int prev;
1084  kmp_user_lock_p name; /* address exclusively for critical section name comparison */
1085 };
1086 
1087 struct cons_header {
1088  int p_top, w_top, s_top;
1089  int stack_size, stack_top;
1090  struct cons_data *stack_data;
1091 };
1092 
1093 struct kmp_region_info {
1094  char *text;
1095  int offset[KMP_MAX_FIELDS];
1096  int length[KMP_MAX_FIELDS];
1097 };
1098 
1099 
1100 /* ---------------------------------------------------------------------- */
1101 /* ---------------------------------------------------------------------- */
1102 
1103 #if KMP_OS_WINDOWS
1104  typedef HANDLE kmp_thread_t;
1105  typedef DWORD kmp_key_t;
1106 #endif /* KMP_OS_WINDOWS */
1107 
1108 #if KMP_OS_UNIX
1109  typedef pthread_t kmp_thread_t;
1110  typedef pthread_key_t kmp_key_t;
1111 #endif
1112 
1113 extern kmp_key_t __kmp_gtid_threadprivate_key;
1114 
1115 typedef struct kmp_sys_info {
1116  long maxrss; /* the maximum resident set size utilized (in kilobytes) */
1117  long minflt; /* the number of page faults serviced without any I/O */
1118  long majflt; /* the number of page faults serviced that required I/O */
1119  long nswap; /* the number of times a process was "swapped" out of memory */
1120  long inblock; /* the number of times the file system had to perform input */
1121  long oublock; /* the number of times the file system had to perform output */
1122  long nvcsw; /* the number of times a context switch was voluntarily */
1123  long nivcsw; /* the number of times a context switch was forced */
1124 } kmp_sys_info_t;
1125 
1126 typedef struct kmp_cpuinfo {
1127  int initialized; // If 0, other fields are not initialized.
1128  int signature; // CPUID(1).EAX
1129  int family; // CPUID(1).EAX[27:20] + CPUID(1).EAX[11:8] ( Extended Family + Family )
1130  int model; // ( CPUID(1).EAX[19:16] << 4 ) + CPUID(1).EAX[7:4] ( ( Extended Model << 4 ) + Model)
1131  int stepping; // CPUID(1).EAX[3:0] ( Stepping )
1132  int sse2; // 0 if SSE2 instructions are not supported, 1 otherwise.
1133  int rtm; // 0 if RTM instructions are not supported, 1 otherwise.
1134  int cpu_stackoffset;
1135  int apic_id;
1136  int physical_id;
1137  int logical_id;
1138  kmp_uint64 frequency; // Nominal CPU frequency in Hz.
1139 } kmp_cpuinfo_t;
1140 
1141 
1142 #ifdef BUILD_TV
1143 
1144 struct tv_threadprivate {
1145  /* Record type #1 */
1146  void *global_addr;
1147  void *thread_addr;
1148 };
1149 
1150 struct tv_data {
1151  struct tv_data *next;
1152  void *type;
1153  union tv_union {
1154  struct tv_threadprivate tp;
1155  } u;
1156 };
1157 
1158 extern kmp_key_t __kmp_tv_key;
1159 
1160 #endif /* BUILD_TV */
1161 
1162 /* ------------------------------------------------------------------------ */
1163 
1164 #if USE_ITT_BUILD
1165 // We cannot include "kmp_itt.h" due to circular dependency. Declare the only required type here.
1166 // Later we will check the type meets requirements.
1167 typedef int kmp_itt_mark_t;
1168 #define KMP_ITT_DEBUG 0
1169 #endif /* USE_ITT_BUILD */
1170 
1171 /* ------------------------------------------------------------------------ */
1172 
1173 /*
1174  * Taskq data structures
1175  */
1176 
1177 #define HIGH_WATER_MARK(nslots) (((nslots) * 3) / 4)
1178 #define __KMP_TASKQ_THUNKS_PER_TH 1 /* num thunks that each thread can simultaneously execute from a task queue */
1179 
1180 /* flags for taskq_global_flags, kmp_task_queue_t tq_flags, kmpc_thunk_t th_flags */
1181 
1182 #define TQF_IS_ORDERED 0x0001 /* __kmpc_taskq interface, taskq ordered */
1183 #define TQF_IS_LASTPRIVATE 0x0002 /* __kmpc_taskq interface, taskq with lastprivate list */
1184 #define TQF_IS_NOWAIT 0x0004 /* __kmpc_taskq interface, end taskq nowait */
1185 #define TQF_HEURISTICS 0x0008 /* __kmpc_taskq interface, use heuristics to decide task queue size */
1186 #define TQF_INTERFACE_RESERVED1 0x0010 /* __kmpc_taskq interface, reserved for future use */
1187 #define TQF_INTERFACE_RESERVED2 0x0020 /* __kmpc_taskq interface, reserved for future use */
1188 #define TQF_INTERFACE_RESERVED3 0x0040 /* __kmpc_taskq interface, reserved for future use */
1189 #define TQF_INTERFACE_RESERVED4 0x0080 /* __kmpc_taskq interface, reserved for future use */
1190 
1191 #define TQF_INTERFACE_FLAGS 0x00ff /* all the __kmpc_taskq interface flags */
1192 
1193 #define TQF_IS_LAST_TASK 0x0100 /* internal/read by instrumentation; only used with TQF_IS_LASTPRIVATE */
1194 #define TQF_TASKQ_TASK 0x0200 /* internal use only; this thunk->th_task is the taskq_task */
1195 #define TQF_RELEASE_WORKERS 0x0400 /* internal use only; must release worker threads once ANY queued task exists (global) */
1196 #define TQF_ALL_TASKS_QUEUED 0x0800 /* internal use only; notify workers that master has finished enqueuing tasks */
1197 #define TQF_PARALLEL_CONTEXT 0x1000 /* internal use only: this queue encountered in a parallel context: not serialized */
1198 #define TQF_DEALLOCATED 0x2000 /* internal use only; this queue is on the freelist and not in use */
1199 
1200 #define TQF_INTERNAL_FLAGS 0x3f00 /* all the internal use only flags */
1201 
1202 typedef struct KMP_ALIGN_CACHE kmpc_aligned_int32_t {
1203  kmp_int32 ai_data;
1204 } kmpc_aligned_int32_t;
1205 
1206 typedef struct KMP_ALIGN_CACHE kmpc_aligned_queue_slot_t {
1207  struct kmpc_thunk_t *qs_thunk;
1208 } kmpc_aligned_queue_slot_t;
1209 
1210 typedef struct kmpc_task_queue_t {
1211  /* task queue linkage fields for n-ary tree of queues (locked with global taskq_tree_lck) */
1212  kmp_lock_t tq_link_lck; /* lock for child link, child next/prev links and child ref counts */
1213  union {
1214  struct kmpc_task_queue_t *tq_parent; /* pointer to parent taskq, not locked */
1215  struct kmpc_task_queue_t *tq_next_free; /* for taskq internal freelists, locked with global taskq_freelist_lck */
1216  } tq;
1217  volatile struct kmpc_task_queue_t *tq_first_child; /* pointer to linked-list of children, locked by tq's tq_link_lck */
1218  struct kmpc_task_queue_t *tq_next_child; /* next child in linked-list, locked by parent tq's tq_link_lck */
1219  struct kmpc_task_queue_t *tq_prev_child; /* previous child in linked-list, locked by parent tq's tq_link_lck */
1220  volatile kmp_int32 tq_ref_count; /* reference count of threads with access to this task queue */
1221  /* (other than the thread executing the kmpc_end_taskq call) */
1222  /* locked by parent tq's tq_link_lck */
1223 
1224  /* shared data for task queue */
1225  struct kmpc_aligned_shared_vars_t *tq_shareds; /* per-thread array of pointers to shared variable structures */
1226  /* only one array element exists for all but outermost taskq */
1227 
1228  /* bookkeeping for ordered task queue */
1229  kmp_uint32 tq_tasknum_queuing; /* ordered task number assigned while queuing tasks */
1230  volatile kmp_uint32 tq_tasknum_serving; /* ordered number of next task to be served (executed) */
1231 
1232  /* thunk storage management for task queue */
1233  kmp_lock_t tq_free_thunks_lck; /* lock for thunk freelist manipulation */
1234  struct kmpc_thunk_t *tq_free_thunks; /* thunk freelist, chained via th.th_next_free */
1235  struct kmpc_thunk_t *tq_thunk_space; /* space allocated for thunks for this task queue */
1236 
1237  /* data fields for queue itself */
1238  kmp_lock_t tq_queue_lck; /* lock for [de]enqueue operations: tq_queue, tq_head, tq_tail, tq_nfull */
1239  kmpc_aligned_queue_slot_t *tq_queue; /* array of queue slots to hold thunks for tasks */
1240  volatile struct kmpc_thunk_t *tq_taskq_slot; /* special slot for taskq task thunk, occupied if not NULL */
1241  kmp_int32 tq_nslots; /* # of tq_thunk_space thunks alloc'd (not incl. tq_taskq_slot space) */
1242  kmp_int32 tq_head; /* enqueue puts next item in here (index into tq_queue array) */
1243  kmp_int32 tq_tail; /* dequeue takes next item out of here (index into tq_queue array) */
1244  volatile kmp_int32 tq_nfull; /* # of occupied entries in task queue right now */
1245  kmp_int32 tq_hiwat; /* high-water mark for tq_nfull and queue scheduling */
1246  volatile kmp_int32 tq_flags; /* TQF_xxx */
1247 
1248  /* bookkeeping for outstanding thunks */
1249  struct kmpc_aligned_int32_t *tq_th_thunks; /* per-thread array for # of regular thunks currently being executed */
1250  kmp_int32 tq_nproc; /* number of thunks in the th_thunks array */
1251 
1252  /* statistics library bookkeeping */
1253  ident_t *tq_loc; /* source location information for taskq directive */
1254 } kmpc_task_queue_t;
1255 
1256 typedef void (*kmpc_task_t) (kmp_int32 global_tid, struct kmpc_thunk_t *thunk);
1257 
1258 /* sizeof_shareds passed as arg to __kmpc_taskq call */
1259 typedef struct kmpc_shared_vars_t { /* aligned during dynamic allocation */
1260  kmpc_task_queue_t *sv_queue;
1261  /* (pointers to) shared vars */
1262 } kmpc_shared_vars_t;
1263 
1264 typedef struct KMP_ALIGN_CACHE kmpc_aligned_shared_vars_t {
1265  volatile struct kmpc_shared_vars_t *ai_data;
1266 } kmpc_aligned_shared_vars_t;
1267 
1268 /* sizeof_thunk passed as arg to kmpc_taskq call */
1269 typedef struct kmpc_thunk_t { /* aligned during dynamic allocation */
1270  union { /* field used for internal freelists too */
1271  kmpc_shared_vars_t *th_shareds;
1272  struct kmpc_thunk_t *th_next_free; /* freelist of individual thunks within queue, head at tq_free_thunks */
1273  } th;
1274  kmpc_task_t th_task; /* taskq_task if flags & TQF_TASKQ_TASK */
1275  struct kmpc_thunk_t *th_encl_thunk; /* pointer to dynamically enclosing thunk on this thread's call stack */
1276  kmp_int32 th_flags; /* TQF_xxx (tq_flags interface plus possible internal flags) */
1277  kmp_int32 th_status;
1278  kmp_uint32 th_tasknum; /* task number assigned in order of queuing, used for ordered sections */
1279  /* private vars */
1280 } kmpc_thunk_t;
1281 
1282 typedef struct KMP_ALIGN_CACHE kmp_taskq {
1283  int tq_curr_thunk_capacity;
1284 
1285  kmpc_task_queue_t *tq_root;
1286  kmp_int32 tq_global_flags;
1287 
1288  kmp_lock_t tq_freelist_lck;
1289  kmpc_task_queue_t *tq_freelist;
1290 
1291  kmpc_thunk_t **tq_curr_thunk;
1292 } kmp_taskq_t;
1293 
1294 /* END Taskq data structures */
1295 /* --------------------------------------------------------------------------- */
1296 
1297 typedef kmp_int32 kmp_critical_name[8];
1298 
1307 typedef void (*kmpc_micro) ( kmp_int32 * global_tid, kmp_int32 * bound_tid, ... );
1308 typedef void (*kmpc_micro_bound) ( kmp_int32 * bound_tid, kmp_int32 * bound_nth, ... );
1309 
1314 /* --------------------------------------------------------------------------- */
1315 /* Threadprivate initialization/finalization function declarations */
1316 
1317 /* for non-array objects: __kmpc_threadprivate_register() */
1318 
1323 typedef void *(*kmpc_ctor) (void *);
1324 
1329 typedef void (*kmpc_dtor) (void * /*, size_t */); /* 2nd arg: magic number for KCC unused by Intel compiler */
1334 typedef void *(*kmpc_cctor) (void *, void *);
1335 
1336 /* for array objects: __kmpc_threadprivate_register_vec() */
1337  /* First arg: "this" pointer */
1338  /* Last arg: number of array elements */
1344 typedef void *(*kmpc_ctor_vec) (void *, size_t);
1350 typedef void (*kmpc_dtor_vec) (void *, size_t);
1356 typedef void *(*kmpc_cctor_vec) (void *, void *, size_t); /* function unused by compiler */
1357 
1363 /* ------------------------------------------------------------------------ */
1364 
1365 /* keeps tracked of threadprivate cache allocations for cleanup later */
1366 typedef struct kmp_cached_addr {
1367  void **addr; /* address of allocated cache */
1368  struct kmp_cached_addr *next; /* pointer to next cached address */
1369 } kmp_cached_addr_t;
1370 
1371 struct private_data {
1372  struct private_data *next; /* The next descriptor in the list */
1373  void *data; /* The data buffer for this descriptor */
1374  int more; /* The repeat count for this descriptor */
1375  size_t size; /* The data size for this descriptor */
1376 };
1377 
1378 struct private_common {
1379  struct private_common *next;
1380  struct private_common *link;
1381  void *gbl_addr;
1382  void *par_addr; /* par_addr == gbl_addr for MASTER thread */
1383  size_t cmn_size;
1384 };
1385 
1386 struct shared_common
1387 {
1388  struct shared_common *next;
1389  struct private_data *pod_init;
1390  void *obj_init;
1391  void *gbl_addr;
1392  union {
1393  kmpc_ctor ctor;
1394  kmpc_ctor_vec ctorv;
1395  } ct;
1396  union {
1397  kmpc_cctor cctor;
1398  kmpc_cctor_vec cctorv;
1399  } cct;
1400  union {
1401  kmpc_dtor dtor;
1402  kmpc_dtor_vec dtorv;
1403  } dt;
1404  size_t vec_len;
1405  int is_vec;
1406  size_t cmn_size;
1407 };
1408 
1409 #define KMP_HASH_TABLE_LOG2 9 /* log2 of the hash table size */
1410 #define KMP_HASH_TABLE_SIZE (1 << KMP_HASH_TABLE_LOG2) /* size of the hash table */
1411 #define KMP_HASH_SHIFT 3 /* throw away this many low bits from the address */
1412 #define KMP_HASH(x) ((((kmp_uintptr_t) x) >> KMP_HASH_SHIFT) & (KMP_HASH_TABLE_SIZE-1))
1413 
1414 struct common_table {
1415  struct private_common *data[ KMP_HASH_TABLE_SIZE ];
1416 };
1417 
1418 struct shared_table {
1419  struct shared_common *data[ KMP_HASH_TABLE_SIZE ];
1420 };
1421 /* ------------------------------------------------------------------------ */
1422 /* ------------------------------------------------------------------------ */
1423 
1424 #ifdef KMP_STATIC_STEAL_ENABLED
1425 typedef struct KMP_ALIGN_CACHE dispatch_private_info32 {
1426  kmp_int32 count;
1427  kmp_int32 ub;
1428  /* Adding KMP_ALIGN_CACHE here doesn't help / can hurt performance */
1429  kmp_int32 lb;
1430  kmp_int32 st;
1431  kmp_int32 tc;
1432  kmp_int32 static_steal_counter; /* for static_steal only; maybe better to put after ub */
1433 
1434  // KMP_ALIGN( 16 ) ensures ( if the KMP_ALIGN macro is turned on )
1435  // a) parm3 is properly aligned and
1436  // b) all parm1-4 are in the same cache line.
1437  // Because of parm1-4 are used together, performance seems to be better
1438  // if they are in the same line (not measured though).
1439 
1440  struct KMP_ALIGN( 32 ) { // AC: changed 16 to 32 in order to simplify template
1441  kmp_int32 parm1; // structures in kmp_dispatch.cpp. This should
1442  kmp_int32 parm2; // make no real change at least while padding is off.
1443  kmp_int32 parm3;
1444  kmp_int32 parm4;
1445  };
1446 
1447  kmp_uint32 ordered_lower;
1448  kmp_uint32 ordered_upper;
1449 #if KMP_OS_WINDOWS
1450  // This var can be placed in the hole between 'tc' and 'parm1', instead of 'static_steal_counter'.
1451  // It would be nice to measure execution times.
1452  // Conditional if/endif can be removed at all.
1453  kmp_int32 last_upper;
1454 #endif /* KMP_OS_WINDOWS */
1455 } dispatch_private_info32_t;
1456 
1457 typedef struct KMP_ALIGN_CACHE dispatch_private_info64 {
1458  kmp_int64 count; /* current chunk number for static and static-steal scheduling*/
1459  kmp_int64 ub; /* upper-bound */
1460  /* Adding KMP_ALIGN_CACHE here doesn't help / can hurt performance */
1461  kmp_int64 lb; /* lower-bound */
1462  kmp_int64 st; /* stride */
1463  kmp_int64 tc; /* trip count (number of iterations) */
1464  kmp_int64 static_steal_counter; /* for static_steal only; maybe better to put after ub */
1465 
1466  /* parm[1-4] are used in different ways by different scheduling algorithms */
1467 
1468  // KMP_ALIGN( 32 ) ensures ( if the KMP_ALIGN macro is turned on )
1469  // a) parm3 is properly aligned and
1470  // b) all parm1-4 are in the same cache line.
1471  // Because of parm1-4 are used together, performance seems to be better
1472  // if they are in the same line (not measured though).
1473 
1474  struct KMP_ALIGN( 32 ) {
1475  kmp_int64 parm1;
1476  kmp_int64 parm2;
1477  kmp_int64 parm3;
1478  kmp_int64 parm4;
1479  };
1480 
1481  kmp_uint64 ordered_lower;
1482  kmp_uint64 ordered_upper;
1483 #if KMP_OS_WINDOWS
1484  // This var can be placed in the hole between 'tc' and 'parm1', instead of 'static_steal_counter'.
1485  // It would be nice to measure execution times.
1486  // Conditional if/endif can be removed at all.
1487  kmp_int64 last_upper;
1488 #endif /* KMP_OS_WINDOWS */
1489 } dispatch_private_info64_t;
1490 #else /* KMP_STATIC_STEAL_ENABLED */
1491 typedef struct KMP_ALIGN_CACHE dispatch_private_info32 {
1492  kmp_int32 lb;
1493  kmp_int32 ub;
1494  kmp_int32 st;
1495  kmp_int32 tc;
1496 
1497  kmp_int32 parm1;
1498  kmp_int32 parm2;
1499  kmp_int32 parm3;
1500  kmp_int32 parm4;
1501 
1502  kmp_int32 count;
1503 
1504  kmp_uint32 ordered_lower;
1505  kmp_uint32 ordered_upper;
1506 #if KMP_OS_WINDOWS
1507  kmp_int32 last_upper;
1508 #endif /* KMP_OS_WINDOWS */
1509 } dispatch_private_info32_t;
1510 
1511 typedef struct KMP_ALIGN_CACHE dispatch_private_info64 {
1512  kmp_int64 lb; /* lower-bound */
1513  kmp_int64 ub; /* upper-bound */
1514  kmp_int64 st; /* stride */
1515  kmp_int64 tc; /* trip count (number of iterations) */
1516 
1517  /* parm[1-4] are used in different ways by different scheduling algorithms */
1518  kmp_int64 parm1;
1519  kmp_int64 parm2;
1520  kmp_int64 parm3;
1521  kmp_int64 parm4;
1522 
1523  kmp_int64 count; /* current chunk number for static scheduling */
1524 
1525  kmp_uint64 ordered_lower;
1526  kmp_uint64 ordered_upper;
1527 #if KMP_OS_WINDOWS
1528  kmp_int64 last_upper;
1529 #endif /* KMP_OS_WINDOWS */
1530 } dispatch_private_info64_t;
1531 #endif /* KMP_STATIC_STEAL_ENABLED */
1532 
1533 typedef struct KMP_ALIGN_CACHE dispatch_private_info {
1534  union private_info {
1535  dispatch_private_info32_t p32;
1536  dispatch_private_info64_t p64;
1537  } u;
1538  enum sched_type schedule; /* scheduling algorithm */
1539  kmp_int32 ordered; /* ordered clause specified */
1540  kmp_int32 ordered_bumped;
1541  kmp_int32 ordered_dummy[KMP_MAX_ORDERED-3]; // to retain the structure size after making ordered_iteration scalar
1542  struct dispatch_private_info * next; /* stack of buffers for nest of serial regions */
1543  kmp_int32 nomerge; /* don't merge iters if serialized */
1544  kmp_int32 type_size; /* the size of types in private_info */
1545  enum cons_type pushed_ws;
1546 } dispatch_private_info_t;
1547 
1548 typedef struct dispatch_shared_info32 {
1549  /* chunk index under dynamic, number of idle threads under static-steal;
1550  iteration index otherwise */
1551  volatile kmp_uint32 iteration;
1552  volatile kmp_uint32 num_done;
1553  volatile kmp_uint32 ordered_iteration;
1554  kmp_int32 ordered_dummy[KMP_MAX_ORDERED-1]; // to retain the structure size after making ordered_iteration scalar
1555 } dispatch_shared_info32_t;
1556 
1557 typedef struct dispatch_shared_info64 {
1558  /* chunk index under dynamic, number of idle threads under static-steal;
1559  iteration index otherwise */
1560  volatile kmp_uint64 iteration;
1561  volatile kmp_uint64 num_done;
1562  volatile kmp_uint64 ordered_iteration;
1563  kmp_int64 ordered_dummy[KMP_MAX_ORDERED-1]; // to retain the structure size after making ordered_iteration scalar
1564 } dispatch_shared_info64_t;
1565 
1566 typedef struct dispatch_shared_info {
1567  union shared_info {
1568  dispatch_shared_info32_t s32;
1569  dispatch_shared_info64_t s64;
1570  } u;
1571 /* volatile kmp_int32 dispatch_abort; depricated */
1572  volatile kmp_uint32 buffer_index;
1573 } dispatch_shared_info_t;
1574 
1575 typedef struct kmp_disp {
1576  /* Vector for ORDERED SECTION */
1577  void (*th_deo_fcn)( int * gtid, int * cid, ident_t *);
1578  /* Vector for END ORDERED SECTION */
1579  void (*th_dxo_fcn)( int * gtid, int * cid, ident_t *);
1580 
1581  dispatch_shared_info_t *th_dispatch_sh_current;
1582  dispatch_private_info_t *th_dispatch_pr_current;
1583 
1584  dispatch_private_info_t *th_disp_buffer;
1585  kmp_int32 th_disp_index;
1586  void* dummy_padding[2]; // make it 64 bytes on Intel(R) 64
1587 #if KMP_USE_INTERNODE_ALIGNMENT
1588  char more_padding[INTERNODE_CACHE_LINE];
1589 #endif
1590 } kmp_disp_t;
1591 
1592 /* ------------------------------------------------------------------------ */
1593 /* ------------------------------------------------------------------------ */
1594 
1595 /* Barrier stuff */
1596 
1597 /* constants for barrier state update */
1598 #define KMP_INIT_BARRIER_STATE 0 /* should probably start from zero */
1599 #define KMP_BARRIER_SLEEP_BIT 0 /* bit used for suspend/sleep part of state */
1600 #define KMP_BARRIER_UNUSED_BIT 1 /* bit that must never be set for valid state */
1601 #define KMP_BARRIER_BUMP_BIT 2 /* lsb used for bump of go/arrived state */
1602 
1603 #define KMP_BARRIER_SLEEP_STATE ((kmp_uint) (1 << KMP_BARRIER_SLEEP_BIT))
1604 #define KMP_BARRIER_UNUSED_STATE ((kmp_uint) (1 << KMP_BARRIER_UNUSED_BIT))
1605 #define KMP_BARRIER_STATE_BUMP ((kmp_uint) (1 << KMP_BARRIER_BUMP_BIT))
1606 
1607 #if (KMP_BARRIER_SLEEP_BIT >= KMP_BARRIER_BUMP_BIT)
1608 # error "Barrier sleep bit must be smaller than barrier bump bit"
1609 #endif
1610 #if (KMP_BARRIER_UNUSED_BIT >= KMP_BARRIER_BUMP_BIT)
1611 # error "Barrier unused bit must be smaller than barrier bump bit"
1612 #endif
1613 
1614 // Constants for release barrier wait state: currently, hierarchical only
1615 #define KMP_BARRIER_NOT_WAITING 0 // Normal state; worker not in wait_sleep
1616 #define KMP_BARRIER_OWN_FLAG 1 // Normal state; worker waiting on own b_go flag in release
1617 #define KMP_BARRIER_PARENT_FLAG 2 // Special state; worker waiting on parent's b_go flag in release
1618 #define KMP_BARRIER_SWITCH_TO_OWN_FLAG 3 // Special state; tells worker to shift from parent to own b_go
1619 #define KMP_BARRIER_SWITCHING 4 // Special state; worker resets appropriate flag on wake-up
1620 
1621 enum barrier_type {
1622  bs_plain_barrier = 0, /* 0, All non-fork/join barriers (except reduction barriers if enabled) */
1623  bs_forkjoin_barrier, /* 1, All fork/join (parallel region) barriers */
1624  #if KMP_FAST_REDUCTION_BARRIER
1625  bs_reduction_barrier, /* 2, All barriers that are used in reduction */
1626  #endif // KMP_FAST_REDUCTION_BARRIER
1627  bs_last_barrier /* Just a placeholder to mark the end */
1628 };
1629 
1630 // to work with reduction barriers just like with plain barriers
1631 #if !KMP_FAST_REDUCTION_BARRIER
1632  #define bs_reduction_barrier bs_plain_barrier
1633 #endif // KMP_FAST_REDUCTION_BARRIER
1634 
1635 typedef enum kmp_bar_pat { /* Barrier communication patterns */
1636  bp_linear_bar = 0, /* Single level (degenerate) tree */
1637  bp_tree_bar = 1, /* Balanced tree with branching factor 2^n */
1638  bp_hyper_bar = 2, /* Hypercube-embedded tree with min branching factor 2^n */
1639  bp_hierarchical_bar = 3, /* Machine hierarchy tree */
1640  bp_last_bar = 4 /* Placeholder to mark the end */
1641 } kmp_bar_pat_e;
1642 
1643 # define KMP_BARRIER_ICV_PUSH 1
1644 
1645 /* Record for holding the values of the internal controls stack records */
1646 typedef struct kmp_internal_control {
1647  int serial_nesting_level; /* corresponds to the value of the th_team_serialized field */
1648  kmp_int8 nested; /* internal control for nested parallelism (per thread) */
1649  kmp_int8 dynamic; /* internal control for dynamic adjustment of threads (per thread) */
1650  kmp_int8 bt_set; /* internal control for whether blocktime is explicitly set */
1651  int blocktime; /* internal control for blocktime */
1652  int bt_intervals; /* internal control for blocktime intervals */
1653  int nproc; /* internal control for #threads for next parallel region (per thread) */
1654  int max_active_levels; /* internal control for max_active_levels */
1655  kmp_r_sched_t sched; /* internal control for runtime schedule {sched,chunk} pair */
1656 #if OMP_40_ENABLED
1657  kmp_proc_bind_t proc_bind; /* internal control for affinity */
1658 #endif // OMP_40_ENABLED
1659  struct kmp_internal_control *next;
1660 } kmp_internal_control_t;
1661 
1662 static inline void
1663 copy_icvs( kmp_internal_control_t *dst, kmp_internal_control_t *src ) {
1664  *dst = *src;
1665 }
1666 
1667 /* Thread barrier needs volatile barrier fields */
1668 typedef struct KMP_ALIGN_CACHE kmp_bstate {
1669  // th_fixed_icvs is aligned by virtue of kmp_bstate being aligned (and all uses of it).
1670  // It is not explicitly aligned below, because we *don't* want it to be padded -- instead,
1671  // we fit b_go into the same cache line with th_fixed_icvs, enabling NGO cache lines
1672  // stores in the hierarchical barrier.
1673  kmp_internal_control_t th_fixed_icvs; // Initial ICVs for the thread
1674  // Tuck b_go into end of th_fixed_icvs cache line, so it can be stored with same NGO store
1675  volatile kmp_uint64 b_go; // STATE => task should proceed (hierarchical)
1676  KMP_ALIGN_CACHE volatile kmp_uint64 b_arrived; // STATE => task reached synch point.
1677  kmp_uint32 *skip_per_level;
1678  kmp_uint32 my_level;
1679  kmp_int32 parent_tid;
1680  kmp_int32 old_tid;
1681  kmp_uint32 depth;
1682  struct kmp_bstate *parent_bar;
1683  kmp_team_t *team;
1684  kmp_uint64 leaf_state;
1685  kmp_uint32 nproc;
1686  kmp_uint8 base_leaf_kids;
1687  kmp_uint8 leaf_kids;
1688  kmp_uint8 offset;
1689  kmp_uint8 wait_flag;
1690  kmp_uint8 use_oncore_barrier;
1691 #if USE_DEBUGGER
1692  // The following field is intended for the debugger solely. Only the worker thread itself accesses this
1693  // field: the worker increases it by 1 when it arrives to a barrier.
1694  KMP_ALIGN_CACHE kmp_uint b_worker_arrived;
1695 #endif /* USE_DEBUGGER */
1696 } kmp_bstate_t;
1697 
1698 union KMP_ALIGN_CACHE kmp_barrier_union {
1699  double b_align; /* use worst case alignment */
1700  char b_pad[ KMP_PAD(kmp_bstate_t, CACHE_LINE) ];
1701  kmp_bstate_t bb;
1702 };
1703 
1704 typedef union kmp_barrier_union kmp_balign_t;
1705 
1706 /* Team barrier needs only non-volatile arrived counter */
1707 union KMP_ALIGN_CACHE kmp_barrier_team_union {
1708  double b_align; /* use worst case alignment */
1709  char b_pad[ CACHE_LINE ];
1710  struct {
1711  kmp_uint64 b_arrived; /* STATE => task reached synch point. */
1712 #if USE_DEBUGGER
1713  // The following two fields are indended for the debugger solely. Only master of the team accesses
1714  // these fields: the first one is increased by 1 when master arrives to a barrier, the
1715  // second one is increased by one when all the threads arrived.
1716  kmp_uint b_master_arrived;
1717  kmp_uint b_team_arrived;
1718 #endif
1719  };
1720 };
1721 
1722 typedef union kmp_barrier_team_union kmp_balign_team_t;
1723 
1724 /*
1725  * Padding for Linux* OS pthreads condition variables and mutexes used to signal
1726  * threads when a condition changes. This is to workaround an NPTL bug
1727  * where padding was added to pthread_cond_t which caused the initialization
1728  * routine to write outside of the structure if compiled on pre-NPTL threads.
1729  */
1730 
1731 #if KMP_OS_WINDOWS
1732 typedef struct kmp_win32_mutex
1733 {
1734  /* The Lock */
1735  CRITICAL_SECTION cs;
1736 } kmp_win32_mutex_t;
1737 
1738 typedef struct kmp_win32_cond
1739 {
1740  /* Count of the number of waiters. */
1741  int waiters_count_;
1742 
1743  /* Serialize access to <waiters_count_> */
1744  kmp_win32_mutex_t waiters_count_lock_;
1745 
1746  /* Number of threads to release via a <cond_broadcast> or a */
1747  /* <cond_signal> */
1748  int release_count_;
1749 
1750  /* Keeps track of the current "generation" so that we don't allow */
1751  /* one thread to steal all the "releases" from the broadcast. */
1752  int wait_generation_count_;
1753 
1754  /* A manual-reset event that's used to block and release waiting */
1755  /* threads. */
1756  HANDLE event_;
1757 } kmp_win32_cond_t;
1758 #endif
1759 
1760 #if KMP_OS_UNIX
1761 
1762 union KMP_ALIGN_CACHE kmp_cond_union {
1763  double c_align;
1764  char c_pad[ CACHE_LINE ];
1765  pthread_cond_t c_cond;
1766 };
1767 
1768 typedef union kmp_cond_union kmp_cond_align_t;
1769 
1770 union KMP_ALIGN_CACHE kmp_mutex_union {
1771  double m_align;
1772  char m_pad[ CACHE_LINE ];
1773  pthread_mutex_t m_mutex;
1774 };
1775 
1776 typedef union kmp_mutex_union kmp_mutex_align_t;
1777 
1778 #endif /* KMP_OS_UNIX */
1779 
1780 typedef struct kmp_desc_base {
1781  void *ds_stackbase;
1782  size_t ds_stacksize;
1783  int ds_stackgrow;
1784  kmp_thread_t ds_thread;
1785  volatile int ds_tid;
1786  int ds_gtid;
1787 #if KMP_OS_WINDOWS
1788  volatile int ds_alive;
1789  DWORD ds_thread_id;
1790  /*
1791  ds_thread keeps thread handle on Windows* OS. It is enough for RTL purposes. However,
1792  debugger support (libomp_db) cannot work with handles, because they uncomparable. For
1793  example, debugger requests info about thread with handle h. h is valid within debugger
1794  process, and meaningless within debugee process. Even if h is duped by call to
1795  DuplicateHandle(), so the result h' is valid within debugee process, but it is a *new*
1796  handle which does *not* equal to any other handle in debugee... The only way to
1797  compare handles is convert them to system-wide ids. GetThreadId() function is
1798  available only in Longhorn and Server 2003. :-( In contrast, GetCurrentThreadId() is
1799  available on all Windows* OS flavours (including Windows* 95). Thus, we have to get thread id by
1800  call to GetCurrentThreadId() from within the thread and save it to let libomp_db
1801  identify threads.
1802  */
1803 #endif /* KMP_OS_WINDOWS */
1804 } kmp_desc_base_t;
1805 
1806 typedef union KMP_ALIGN_CACHE kmp_desc {
1807  double ds_align; /* use worst case alignment */
1808  char ds_pad[ KMP_PAD(kmp_desc_base_t, CACHE_LINE) ];
1809  kmp_desc_base_t ds;
1810 } kmp_desc_t;
1811 
1812 
1813 typedef struct kmp_local {
1814  volatile int this_construct; /* count of single's encountered by thread */
1815  void *reduce_data;
1816 #if KMP_USE_BGET
1817  void *bget_data;
1818  void *bget_list;
1819 #if ! USE_CMP_XCHG_FOR_BGET
1820 #ifdef USE_QUEUING_LOCK_FOR_BGET
1821  kmp_lock_t bget_lock; /* Lock for accessing bget free list */
1822 #else
1823  kmp_bootstrap_lock_t bget_lock; /* Lock for accessing bget free list */
1824  /* Must be bootstrap lock so we can use it at library shutdown */
1825 #endif /* USE_LOCK_FOR_BGET */
1826 #endif /* ! USE_CMP_XCHG_FOR_BGET */
1827 #endif /* KMP_USE_BGET */
1828 
1829 #ifdef BUILD_TV
1830  struct tv_data *tv_data;
1831 #endif
1832 
1833  PACKED_REDUCTION_METHOD_T packed_reduction_method; /* stored by __kmpc_reduce*(), used by __kmpc_end_reduce*() */
1834 
1835 } kmp_local_t;
1836 
1837 #define get__blocktime( xteam, xtid ) ((xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.blocktime)
1838 #define get__bt_set( xteam, xtid ) ((xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.bt_set)
1839 #define get__bt_intervals( xteam, xtid ) ((xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.bt_intervals)
1840 
1841 #define get__nested_2(xteam,xtid) ((xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.nested)
1842 #define get__dynamic_2(xteam,xtid) ((xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.dynamic)
1843 #define get__nproc_2(xteam,xtid) ((xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.nproc)
1844 #define get__sched_2(xteam,xtid) ((xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.sched)
1845 
1846 #define set__blocktime_team( xteam, xtid, xval ) \
1847  ( ( (xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.blocktime ) = (xval) )
1848 
1849 #define set__bt_intervals_team( xteam, xtid, xval ) \
1850  ( ( (xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.bt_intervals ) = (xval) )
1851 
1852 #define set__bt_set_team( xteam, xtid, xval ) \
1853  ( ( (xteam)->t.t_threads[(xtid)]->th.th_current_task->td_icvs.bt_set ) = (xval) )
1854 
1855 
1856 #define set__nested( xthread, xval ) \
1857  ( ( (xthread)->th.th_current_task->td_icvs.nested ) = (xval) )
1858 #define get__nested( xthread ) \
1859  ( ( (xthread)->th.th_current_task->td_icvs.nested ) ? (FTN_TRUE) : (FTN_FALSE) )
1860 
1861 #define set__dynamic( xthread, xval ) \
1862  ( ( (xthread)->th.th_current_task->td_icvs.dynamic ) = (xval) )
1863 #define get__dynamic( xthread ) \
1864  ( ( (xthread)->th.th_current_task->td_icvs.dynamic ) ? (FTN_TRUE) : (FTN_FALSE) )
1865 
1866 #define set__nproc( xthread, xval ) \
1867  ( ( (xthread)->th.th_current_task->td_icvs.nproc ) = (xval) )
1868 
1869 #define set__max_active_levels( xthread, xval ) \
1870  ( ( (xthread)->th.th_current_task->td_icvs.max_active_levels ) = (xval) )
1871 
1872 #define set__sched( xthread, xval ) \
1873  ( ( (xthread)->th.th_current_task->td_icvs.sched ) = (xval) )
1874 
1875 #if OMP_40_ENABLED
1876 
1877 #define set__proc_bind( xthread, xval ) \
1878  ( ( (xthread)->th.th_current_task->td_icvs.proc_bind ) = (xval) )
1879 #define get__proc_bind( xthread ) \
1880  ( (xthread)->th.th_current_task->td_icvs.proc_bind )
1881 
1882 #endif /* OMP_40_ENABLED */
1883 
1884 
1885 /* ------------------------------------------------------------------------ */
1886 // OpenMP tasking data structures
1887 //
1888 
1889 typedef enum kmp_tasking_mode {
1890  tskm_immediate_exec = 0,
1891  tskm_extra_barrier = 1,
1892  tskm_task_teams = 2,
1893  tskm_max = 2
1894 } kmp_tasking_mode_t;
1895 
1896 extern kmp_tasking_mode_t __kmp_tasking_mode; /* determines how/when to execute tasks */
1897 extern kmp_int32 __kmp_task_stealing_constraint;
1898 
1899 /* NOTE: kmp_taskdata_t and kmp_task_t structures allocated in single block with taskdata first */
1900 #define KMP_TASK_TO_TASKDATA(task) (((kmp_taskdata_t *) task) - 1)
1901 #define KMP_TASKDATA_TO_TASK(taskdata) (kmp_task_t *) (taskdata + 1)
1902 
1903 // The tt_found_tasks flag is a signal to all threads in the team that tasks were spawned and
1904 // queued since the previous barrier release.
1905 #define KMP_TASKING_ENABLED(task_team) \
1906  (TCR_SYNC_4((task_team)->tt.tt_found_tasks) == TRUE)
1907 
1914 typedef kmp_int32 (* kmp_routine_entry_t)( kmp_int32, void * );
1915 
1916 /* sizeof_kmp_task_t passed as arg to kmpc_omp_task call */
1919 typedef struct kmp_task { /* GEH: Shouldn't this be aligned somehow? */
1920  void * shareds;
1921  kmp_routine_entry_t routine;
1922  kmp_int32 part_id;
1923 #if OMP_40_ENABLED
1924  kmp_routine_entry_t destructors; /* pointer to function to invoke deconstructors of firstprivate C++ objects */
1925 #endif // OMP_40_ENABLED
1926  /* private vars */
1927 } kmp_task_t;
1928 
1933 #if OMP_40_ENABLED
1934 typedef struct kmp_taskgroup {
1935  kmp_uint32 count; // number of allocated and not yet complete tasks
1936  kmp_int32 cancel_request; // request for cancellation of this taskgroup
1937  struct kmp_taskgroup *parent; // parent taskgroup
1938 } kmp_taskgroup_t;
1939 
1940 
1941 // forward declarations
1942 typedef union kmp_depnode kmp_depnode_t;
1943 typedef struct kmp_depnode_list kmp_depnode_list_t;
1944 typedef struct kmp_dephash_entry kmp_dephash_entry_t;
1945 
1946 typedef struct kmp_depend_info {
1947  kmp_intptr_t base_addr;
1948  size_t len;
1949  struct {
1950  bool in:1;
1951  bool out:1;
1952  } flags;
1953 } kmp_depend_info_t;
1954 
1955 struct kmp_depnode_list {
1956  kmp_depnode_t * node;
1957  kmp_depnode_list_t * next;
1958 };
1959 
1960 typedef struct kmp_base_depnode {
1961  kmp_depnode_list_t * successors;
1962  kmp_task_t * task;
1963 
1964  kmp_lock_t lock;
1965 
1966 #if KMP_SUPPORT_GRAPH_OUTPUT
1967  kmp_uint32 id;
1968 #endif
1969 
1970  volatile kmp_int32 npredecessors;
1971  volatile kmp_int32 nrefs;
1972 } kmp_base_depnode_t;
1973 
1974 union KMP_ALIGN_CACHE kmp_depnode {
1975  double dn_align; /* use worst case alignment */
1976  char dn_pad[ KMP_PAD(kmp_base_depnode_t, CACHE_LINE) ];
1977  kmp_base_depnode_t dn;
1978 };
1979 
1980 struct kmp_dephash_entry {
1981  kmp_intptr_t addr;
1982  kmp_depnode_t * last_out;
1983  kmp_depnode_list_t * last_ins;
1984  kmp_dephash_entry_t * next_in_bucket;
1985 };
1986 
1987 typedef struct kmp_dephash {
1988  kmp_dephash_entry_t ** buckets;
1989 #ifdef KMP_DEBUG
1990  kmp_uint32 nelements;
1991  kmp_uint32 nconflicts;
1992 #endif
1993 } kmp_dephash_t;
1994 
1995 #endif
1996 
1997 #ifdef BUILD_TIED_TASK_STACK
1998 
1999 /* Tied Task stack definitions */
2000 typedef struct kmp_stack_block {
2001  kmp_taskdata_t * sb_block[ TASK_STACK_BLOCK_SIZE ];
2002  struct kmp_stack_block * sb_next;
2003  struct kmp_stack_block * sb_prev;
2004 } kmp_stack_block_t;
2005 
2006 typedef struct kmp_task_stack {
2007  kmp_stack_block_t ts_first_block; // first block of stack entries
2008  kmp_taskdata_t ** ts_top; // pointer to the top of stack
2009  kmp_int32 ts_entries; // number of entries on the stack
2010 } kmp_task_stack_t;
2011 
2012 #endif // BUILD_TIED_TASK_STACK
2013 
2014 typedef struct kmp_tasking_flags { /* Total struct must be exactly 32 bits */
2015  /* Compiler flags */ /* Total compiler flags must be 16 bits */
2016  unsigned tiedness : 1; /* task is either tied (1) or untied (0) */
2017  unsigned final : 1; /* task is final(1) so execute immediately */
2018  unsigned merged_if0 : 1; /* no __kmpc_task_{begin/complete}_if0 calls in if0 code path */
2019 #if OMP_40_ENABLED
2020  unsigned destructors_thunk : 1; /* set if the compiler creates a thunk to invoke destructors from the runtime */
2021 #if OMP_41_ENABLED
2022  unsigned proxy : 1; /* task is a proxy task (it will be executed outside the context of the RTL) */
2023  unsigned reserved : 11; /* reserved for compiler use */
2024 #else
2025  unsigned reserved : 12; /* reserved for compiler use */
2026 #endif
2027 #else // OMP_40_ENABLED
2028  unsigned reserved : 13; /* reserved for compiler use */
2029 #endif // OMP_40_ENABLED
2030 
2031  /* Library flags */ /* Total library flags must be 16 bits */
2032  unsigned tasktype : 1; /* task is either explicit(1) or implicit (0) */
2033  unsigned task_serial : 1; /* this task is executed immediately (1) or deferred (0) */
2034  unsigned tasking_ser : 1; /* all tasks in team are either executed immediately (1) or may be deferred (0) */
2035  unsigned team_serial : 1; /* entire team is serial (1) [1 thread] or parallel (0) [>= 2 threads] */
2036  /* If either team_serial or tasking_ser is set, task team may be NULL */
2037  /* Task State Flags: */
2038  unsigned started : 1; /* 1==started, 0==not started */
2039  unsigned executing : 1; /* 1==executing, 0==not executing */
2040  unsigned complete : 1; /* 1==complete, 0==not complete */
2041  unsigned freed : 1; /* 1==freed, 0==allocateed */
2042  unsigned native : 1; /* 1==gcc-compiled task, 0==intel */
2043  unsigned reserved31 : 7; /* reserved for library use */
2044 
2045 } kmp_tasking_flags_t;
2046 
2047 
2048 struct kmp_taskdata { /* aligned during dynamic allocation */
2049  kmp_int32 td_task_id; /* id, assigned by debugger */
2050  kmp_tasking_flags_t td_flags; /* task flags */
2051  kmp_team_t * td_team; /* team for this task */
2052  kmp_info_p * td_alloc_thread; /* thread that allocated data structures */
2053  /* Currently not used except for perhaps IDB */
2054  kmp_taskdata_t * td_parent; /* parent task */
2055  kmp_int32 td_level; /* task nesting level */
2056  ident_t * td_ident; /* task identifier */
2057  // Taskwait data.
2058  ident_t * td_taskwait_ident;
2059  kmp_uint32 td_taskwait_counter;
2060  kmp_int32 td_taskwait_thread; /* gtid + 1 of thread encountered taskwait */
2061  KMP_ALIGN_CACHE kmp_internal_control_t td_icvs; /* Internal control variables for the task */
2062  volatile kmp_uint32 td_allocated_child_tasks; /* Child tasks (+ current task) not yet deallocated */
2063  volatile kmp_uint32 td_incomplete_child_tasks; /* Child tasks not yet complete */
2064 #if OMP_40_ENABLED
2065  kmp_taskgroup_t * td_taskgroup; // Each task keeps pointer to its current taskgroup
2066  kmp_dephash_t * td_dephash; // Dependencies for children tasks are tracked from here
2067  kmp_depnode_t * td_depnode; // Pointer to graph node if this task has dependencies
2068 #endif
2069 #if OMPT_SUPPORT
2070  ompt_task_info_t ompt_task_info;
2071 #endif
2072 #if KMP_HAVE_QUAD
2073  _Quad td_dummy; // Align structure 16-byte size since allocated just before kmp_task_t
2074 #else
2075  kmp_uint32 td_dummy[2];
2076 #endif
2077 }; // struct kmp_taskdata
2078 
2079 // Make sure padding above worked
2080 KMP_BUILD_ASSERT( sizeof(kmp_taskdata_t) % sizeof(void *) == 0 );
2081 
2082 // Data for task team but per thread
2083 typedef struct kmp_base_thread_data {
2084  kmp_info_p * td_thr; // Pointer back to thread info
2085  // Used only in __kmp_execute_tasks_template, maybe not avail until task is queued?
2086  kmp_bootstrap_lock_t td_deque_lock; // Lock for accessing deque
2087  kmp_taskdata_t ** td_deque; // Deque of tasks encountered by td_thr, dynamically allocated
2088  kmp_uint32 td_deque_head; // Head of deque (will wrap)
2089  kmp_uint32 td_deque_tail; // Tail of deque (will wrap)
2090  kmp_int32 td_deque_ntasks; // Number of tasks in deque
2091  // GEH: shouldn't this be volatile since used in while-spin?
2092  kmp_int32 td_deque_last_stolen; // Thread number of last successful steal
2093 #ifdef BUILD_TIED_TASK_STACK
2094  kmp_task_stack_t td_susp_tied_tasks; // Stack of suspended tied tasks for task scheduling constraint
2095 #endif // BUILD_TIED_TASK_STACK
2096 } kmp_base_thread_data_t;
2097 
2098 typedef union KMP_ALIGN_CACHE kmp_thread_data {
2099  kmp_base_thread_data_t td;
2100  double td_align; /* use worst case alignment */
2101  char td_pad[ KMP_PAD(kmp_base_thread_data_t, CACHE_LINE) ];
2102 } kmp_thread_data_t;
2103 
2104 
2105 // Data for task teams which are used when tasking is enabled for the team
2106 typedef struct kmp_base_task_team {
2107  kmp_bootstrap_lock_t tt_threads_lock; /* Lock used to allocate per-thread part of task team */
2108  /* must be bootstrap lock since used at library shutdown*/
2109  kmp_task_team_t * tt_next; /* For linking the task team free list */
2110  kmp_thread_data_t * tt_threads_data; /* Array of per-thread structures for task team */
2111  /* Data survives task team deallocation */
2112  kmp_int32 tt_found_tasks; /* Have we found tasks and queued them while executing this team? */
2113  /* TRUE means tt_threads_data is set up and initialized */
2114  kmp_int32 tt_nproc; /* #threads in team */
2115  kmp_int32 tt_max_threads; /* number of entries allocated for threads_data array */
2116 #if OMP_41_ENABLED
2117  kmp_int32 tt_found_proxy_tasks; /* Have we found proxy tasks since last barrier */
2118 #endif
2119 
2120  KMP_ALIGN_CACHE
2121  volatile kmp_uint32 tt_unfinished_threads; /* #threads still active */
2122 
2123  KMP_ALIGN_CACHE
2124  volatile kmp_uint32 tt_active; /* is the team still actively executing tasks */
2125 
2126  KMP_ALIGN_CACHE
2127 #if KMP_USE_INTERNODE_ALIGNMENT
2128  kmp_int32 tt_padme[INTERNODE_CACHE_LINE/sizeof(kmp_int32)];
2129 #endif
2130 
2131  volatile kmp_uint32 tt_ref_ct; /* #threads accessing struct */
2132  /* (not incl. master) */
2133 } kmp_base_task_team_t;
2134 
2135 union KMP_ALIGN_CACHE kmp_task_team {
2136  kmp_base_task_team_t tt;
2137  double tt_align; /* use worst case alignment */
2138  char tt_pad[ KMP_PAD(kmp_base_task_team_t, CACHE_LINE) ];
2139 };
2140 
2141 #if ( USE_FAST_MEMORY == 3 ) || ( USE_FAST_MEMORY == 5 )
2142 // Free lists keep same-size free memory slots for fast memory allocation routines
2143 typedef struct kmp_free_list {
2144  void *th_free_list_self; // Self-allocated tasks free list
2145  void *th_free_list_sync; // Self-allocated tasks stolen/returned by other threads
2146  void *th_free_list_other; // Non-self free list (to be returned to owner's sync list)
2147 } kmp_free_list_t;
2148 #endif
2149 #if KMP_NESTED_HOT_TEAMS
2150 // Hot teams array keeps hot teams and their sizes for given thread.
2151 // Hot teams are not put in teams pool, and they don't put threads in threads pool.
2152 typedef struct kmp_hot_team_ptr {
2153  kmp_team_p *hot_team; // pointer to hot_team of given nesting level
2154  kmp_int32 hot_team_nth; // number of threads allocated for the hot_team
2155 } kmp_hot_team_ptr_t;
2156 #endif
2157 #if OMP_40_ENABLED
2158 typedef struct kmp_teams_size {
2159  kmp_int32 nteams; // number of teams in a league
2160  kmp_int32 nth; // number of threads in each team of the league
2161 } kmp_teams_size_t;
2162 #endif
2163 
2164 /* ------------------------------------------------------------------------ */
2165 // OpenMP thread data structures
2166 //
2167 
2168 typedef struct KMP_ALIGN_CACHE kmp_base_info {
2169 /*
2170  * Start with the readonly data which is cache aligned and padded.
2171  * this is written before the thread starts working by the master.
2172  * (uber masters may update themselves later)
2173  * (usage does not consider serialized regions)
2174  */
2175  kmp_desc_t th_info;
2176  kmp_team_p *th_team; /* team we belong to */
2177  kmp_root_p *th_root; /* pointer to root of task hierarchy */
2178  kmp_info_p *th_next_pool; /* next available thread in the pool */
2179  kmp_disp_t *th_dispatch; /* thread's dispatch data */
2180  int th_in_pool; /* in thread pool (32 bits for TCR/TCW) */
2181 
2182  /* The following are cached from the team info structure */
2183  /* TODO use these in more places as determined to be needed via profiling */
2184  int th_team_nproc; /* number of threads in a team */
2185  kmp_info_p *th_team_master; /* the team's master thread */
2186  int th_team_serialized; /* team is serialized */
2187 #if OMP_40_ENABLED
2188  microtask_t th_teams_microtask; /* save entry address for teams construct */
2189  int th_teams_level; /* save initial level of teams construct */
2190  /* it is 0 on device but may be any on host */
2191 #endif
2192 
2193  /* The blocktime info is copied from the team struct to the thread sruct */
2194  /* at the start of a barrier, and the values stored in the team are used */
2195  /* at points in the code where the team struct is no longer guaranteed */
2196  /* to exist (from the POV of worker threads). */
2197  int th_team_bt_intervals;
2198  int th_team_bt_set;
2199 
2200 
2201 #if KMP_AFFINITY_SUPPORTED
2202  kmp_affin_mask_t *th_affin_mask; /* thread's current affinity mask */
2203 #endif
2204 
2205 /*
2206  * The data set by the master at reinit, then R/W by the worker
2207  */
2208  KMP_ALIGN_CACHE int th_set_nproc; /* if > 0, then only use this request for the next fork */
2209 #if KMP_NESTED_HOT_TEAMS
2210  kmp_hot_team_ptr_t *th_hot_teams; /* array of hot teams */
2211 #endif
2212 #if OMP_40_ENABLED
2213  kmp_proc_bind_t th_set_proc_bind; /* if != proc_bind_default, use request for next fork */
2214  kmp_teams_size_t th_teams_size; /* number of teams/threads in teams construct */
2215 # if KMP_AFFINITY_SUPPORTED
2216  int th_current_place; /* place currently bound to */
2217  int th_new_place; /* place to bind to in par reg */
2218  int th_first_place; /* first place in partition */
2219  int th_last_place; /* last place in partition */
2220 # endif
2221 #endif
2222 #if USE_ITT_BUILD
2223  kmp_uint64 th_bar_arrive_time; /* arrival to barrier timestamp */
2224  kmp_uint64 th_bar_min_time; /* minimum arrival time at the barrier */
2225  kmp_uint64 th_frame_time; /* frame timestamp */
2226  kmp_uint64 th_frame_time_serialized; /* frame timestamp in serialized parallel */
2227 #endif /* USE_ITT_BUILD */
2228  kmp_local_t th_local;
2229  struct private_common *th_pri_head;
2230 
2231 /*
2232  * Now the data only used by the worker (after initial allocation)
2233  */
2234  /* TODO the first serial team should actually be stored in the info_t
2235  * structure. this will help reduce initial allocation overhead */
2236  KMP_ALIGN_CACHE kmp_team_p *th_serial_team; /*serialized team held in reserve*/
2237 
2238 #if OMPT_SUPPORT
2239  ompt_thread_info_t ompt_thread_info;
2240 #endif
2241 
2242 /* The following are also read by the master during reinit */
2243  struct common_table *th_pri_common;
2244 
2245  volatile kmp_uint32 th_spin_here; /* thread-local location for spinning */
2246  /* while awaiting queuing lock acquire */
2247 
2248  volatile void *th_sleep_loc; // this points at a kmp_flag<T>
2249 
2250  ident_t *th_ident;
2251  unsigned th_x; // Random number generator data
2252  unsigned th_a; // Random number generator data
2253 
2254 /*
2255  * Tasking-related data for the thread
2256  */
2257  kmp_task_team_t * th_task_team; // Task team struct
2258  kmp_taskdata_t * th_current_task; // Innermost Task being executed
2259  kmp_uint8 th_task_state; // alternating 0/1 for task team identification
2260  kmp_uint8 * th_task_state_memo_stack; // Stack holding memos of th_task_state at nested levels
2261  kmp_uint32 th_task_state_top; // Top element of th_task_state_memo_stack
2262  kmp_uint32 th_task_state_stack_sz; // Size of th_task_state_memo_stack
2263 
2264  /*
2265  * More stuff for keeping track of active/sleeping threads
2266  * (this part is written by the worker thread)
2267  */
2268  kmp_uint8 th_active_in_pool; // included in count of
2269  // #active threads in pool
2270  int th_active; // ! sleeping
2271  // 32 bits for TCR/TCW
2272 
2273 
2274  struct cons_header * th_cons; // used for consistency check
2275 
2276 /*
2277  * Add the syncronizing data which is cache aligned and padded.
2278  */
2279  KMP_ALIGN_CACHE kmp_balign_t th_bar[ bs_last_barrier ];
2280 
2281  KMP_ALIGN_CACHE volatile kmp_int32 th_next_waiting; /* gtid+1 of next thread on lock wait queue, 0 if none */
2282 
2283 #if ( USE_FAST_MEMORY == 3 ) || ( USE_FAST_MEMORY == 5 )
2284  #define NUM_LISTS 4
2285  kmp_free_list_t th_free_lists[NUM_LISTS]; // Free lists for fast memory allocation routines
2286 #endif
2287 
2288 #if KMP_OS_WINDOWS
2289  kmp_win32_cond_t th_suspend_cv;
2290  kmp_win32_mutex_t th_suspend_mx;
2291  int th_suspend_init;
2292 #endif
2293 #if KMP_OS_UNIX
2294  kmp_cond_align_t th_suspend_cv;
2295  kmp_mutex_align_t th_suspend_mx;
2296  int th_suspend_init_count;
2297 #endif
2298 
2299 #if USE_ITT_BUILD
2300  kmp_itt_mark_t th_itt_mark_single;
2301  // alignment ???
2302 #endif /* USE_ITT_BUILD */
2303 #if KMP_STATS_ENABLED
2304  kmp_stats_list* th_stats;
2305 #endif
2306 } kmp_base_info_t;
2307 
2308 typedef union KMP_ALIGN_CACHE kmp_info {
2309  double th_align; /* use worst case alignment */
2310  char th_pad[ KMP_PAD(kmp_base_info_t, CACHE_LINE) ];
2311  kmp_base_info_t th;
2312 } kmp_info_t;
2313 
2314 /* ------------------------------------------------------------------------ */
2315 // OpenMP thread team data structures
2316 //
2317 typedef struct kmp_base_data {
2318  volatile kmp_uint32 t_value;
2319 } kmp_base_data_t;
2320 
2321 typedef union KMP_ALIGN_CACHE kmp_sleep_team {
2322  double dt_align; /* use worst case alignment */
2323  char dt_pad[ KMP_PAD(kmp_base_data_t, CACHE_LINE) ];
2324  kmp_base_data_t dt;
2325 } kmp_sleep_team_t;
2326 
2327 typedef union KMP_ALIGN_CACHE kmp_ordered_team {
2328  double dt_align; /* use worst case alignment */
2329  char dt_pad[ KMP_PAD(kmp_base_data_t, CACHE_LINE) ];
2330  kmp_base_data_t dt;
2331 } kmp_ordered_team_t;
2332 
2333 typedef int (*launch_t)( int gtid );
2334 
2335 /* Minimum number of ARGV entries to malloc if necessary */
2336 #define KMP_MIN_MALLOC_ARGV_ENTRIES 100
2337 
2338 // Set up how many argv pointers will fit in cache lines containing t_inline_argv. Historically, we
2339 // have supported at least 96 bytes. Using a larger value for more space between the master write/worker
2340 // read section and read/write by all section seems to buy more performance on EPCC PARALLEL.
2341 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
2342 # define KMP_INLINE_ARGV_BYTES ( 4 * CACHE_LINE - ( ( 3 * KMP_PTR_SKIP + 2 * sizeof(int) + 2 * sizeof(kmp_int8) + sizeof(kmp_int16) + sizeof(kmp_uint32) ) % CACHE_LINE ) )
2343 #else
2344 # define KMP_INLINE_ARGV_BYTES ( 2 * CACHE_LINE - ( ( 3 * KMP_PTR_SKIP + 2 * sizeof(int) ) % CACHE_LINE ) )
2345 #endif
2346 #define KMP_INLINE_ARGV_ENTRIES (int)( KMP_INLINE_ARGV_BYTES / KMP_PTR_SKIP )
2347 
2348 typedef struct KMP_ALIGN_CACHE kmp_base_team {
2349  // Synchronization Data ---------------------------------------------------------------------------------
2350  KMP_ALIGN_CACHE kmp_ordered_team_t t_ordered;
2351  kmp_balign_team_t t_bar[ bs_last_barrier ];
2352  volatile int t_construct; // count of single directive encountered by team
2353  kmp_lock_t t_single_lock; // team specific lock
2354 
2355  // Master only -----------------------------------------------------------------------------------------
2356  KMP_ALIGN_CACHE int t_master_tid; // tid of master in parent team
2357  int t_master_this_cons; // "this_construct" single counter of master in parent team
2358  ident_t *t_ident; // if volatile, have to change too much other crud to volatile too
2359  kmp_team_p *t_parent; // parent team
2360  kmp_team_p *t_next_pool; // next free team in the team pool
2361  kmp_disp_t *t_dispatch; // thread's dispatch data
2362  kmp_task_team_t *t_task_team[2]; // Task team struct; switch between 2
2363 #if OMP_40_ENABLED
2364  kmp_proc_bind_t t_proc_bind; // bind type for par region
2365 #endif // OMP_40_ENABLED
2366 #if USE_ITT_BUILD
2367  kmp_uint64 t_region_time; // region begin timestamp
2368 #endif /* USE_ITT_BUILD */
2369 
2370  // Master write, workers read --------------------------------------------------------------------------
2371  KMP_ALIGN_CACHE void **t_argv;
2372  int t_argc;
2373  int t_nproc; // number of threads in team
2374  microtask_t t_pkfn;
2375  launch_t t_invoke; // procedure to launch the microtask
2376 
2377 #if OMPT_SUPPORT
2378  ompt_team_info_t ompt_team_info;
2379  ompt_lw_taskteam_t *ompt_serialized_team_info;
2380 #endif
2381 
2382 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
2383  kmp_int8 t_fp_control_saved;
2384  kmp_int8 t_pad2b;
2385  kmp_int16 t_x87_fpu_control_word; // FP control regs
2386  kmp_uint32 t_mxcsr;
2387 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
2388 
2389  void *t_inline_argv[ KMP_INLINE_ARGV_ENTRIES ];
2390 
2391  KMP_ALIGN_CACHE kmp_info_t **t_threads;
2392  int t_max_argc;
2393  int t_max_nproc; // maximum threads this team can handle (dynamicly expandable)
2394  int t_serialized; // levels deep of serialized teams
2395  dispatch_shared_info_t *t_disp_buffer; // buffers for dispatch system
2396  int t_id; // team's id, assigned by debugger.
2397  int t_level; // nested parallel level
2398  int t_active_level; // nested active parallel level
2399  kmp_r_sched_t t_sched; // run-time schedule for the team
2400 #if OMP_40_ENABLED && KMP_AFFINITY_SUPPORTED
2401  int t_first_place; // first & last place in parent thread's partition.
2402  int t_last_place; // Restore these values to master after par region.
2403 #endif // OMP_40_ENABLED && KMP_AFFINITY_SUPPORTED
2404  int t_size_changed; // team size was changed?: 0: no, 1: yes, -1: changed via omp_set_num_threads() call
2405 
2406  // Read/write by workers as well -----------------------------------------------------------------------
2407 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
2408  // Using CACHE_LINE=64 reduces memory footprint, but causes a big perf regression of epcc 'parallel'
2409  // and 'barrier' on fxe256lin01. This extra padding serves to fix the performance of epcc 'parallel'
2410  // and 'barrier' when CACHE_LINE=64. TODO: investigate more and get rid if this padding.
2411  char dummy_padding[1024];
2412 #endif
2413  KMP_ALIGN_CACHE kmp_taskdata_t *t_implicit_task_taskdata; // Taskdata for the thread's implicit task
2414  kmp_internal_control_t *t_control_stack_top; // internal control stack for additional nested teams.
2415  // for SERIALIZED teams nested 2 or more levels deep
2416 #if OMP_40_ENABLED
2417  kmp_int32 t_cancel_request; // typed flag to store request state of cancellation
2418 #endif
2419  int t_master_active; // save on fork, restore on join
2420  kmp_taskq_t t_taskq; // this team's task queue
2421  void *t_copypriv_data; // team specific pointer to copyprivate data array
2422  kmp_uint32 t_copyin_counter;
2423 #if USE_ITT_BUILD
2424  void *t_stack_id; // team specific stack stitching id (for ittnotify)
2425 #endif /* USE_ITT_BUILD */
2426 } kmp_base_team_t;
2427 
2428 union KMP_ALIGN_CACHE kmp_team {
2429  kmp_base_team_t t;
2430  double t_align; /* use worst case alignment */
2431  char t_pad[ KMP_PAD(kmp_base_team_t, CACHE_LINE) ];
2432 };
2433 
2434 
2435 typedef union KMP_ALIGN_CACHE kmp_time_global {
2436  double dt_align; /* use worst case alignment */
2437  char dt_pad[ KMP_PAD(kmp_base_data_t, CACHE_LINE) ];
2438  kmp_base_data_t dt;
2439 } kmp_time_global_t;
2440 
2441 typedef struct kmp_base_global {
2442  /* cache-aligned */
2443  kmp_time_global_t g_time;
2444 
2445  /* non cache-aligned */
2446  volatile int g_abort;
2447  volatile int g_done;
2448 
2449  int g_dynamic;
2450  enum dynamic_mode g_dynamic_mode;
2451 
2452 } kmp_base_global_t;
2453 
2454 typedef union KMP_ALIGN_CACHE kmp_global {
2455  kmp_base_global_t g;
2456  double g_align; /* use worst case alignment */
2457  char g_pad[ KMP_PAD(kmp_base_global_t, CACHE_LINE) ];
2458 } kmp_global_t;
2459 
2460 
2461 typedef struct kmp_base_root {
2462  // TODO: GEH - combine r_active with r_in_parallel then r_active == (r_in_parallel>= 0)
2463  // TODO: GEH - then replace r_active with t_active_levels if we can to reduce the synch
2464  // overhead or keeping r_active
2465 
2466  volatile int r_active; /* TRUE if some region in a nest has > 1 thread */
2467  // GEH: This is misnamed, should be r_in_parallel
2468  volatile int r_nested; // TODO: GEH - This is unused, just remove it entirely.
2469  int r_in_parallel; /* keeps a count of active parallel regions per root */
2470  // GEH: This is misnamed, should be r_active_levels
2471  kmp_team_t *r_root_team;
2472  kmp_team_t *r_hot_team;
2473  kmp_info_t *r_uber_thread;
2474  kmp_lock_t r_begin_lock;
2475  volatile int r_begin;
2476  int r_blocktime; /* blocktime for this root and descendants */
2477 } kmp_base_root_t;
2478 
2479 typedef union KMP_ALIGN_CACHE kmp_root {
2480  kmp_base_root_t r;
2481  double r_align; /* use worst case alignment */
2482  char r_pad[ KMP_PAD(kmp_base_root_t, CACHE_LINE) ];
2483 } kmp_root_t;
2484 
2485 struct fortran_inx_info {
2486  kmp_int32 data;
2487 };
2488 
2489 /* ------------------------------------------------------------------------ */
2490 
2491 /* ------------------------------------------------------------------------ */
2492 /* ------------------------------------------------------------------------ */
2493 
2494 extern int __kmp_settings;
2495 extern int __kmp_duplicate_library_ok;
2496 #if USE_ITT_BUILD
2497 extern int __kmp_forkjoin_frames;
2498 extern int __kmp_forkjoin_frames_mode;
2499 #endif
2500 extern PACKED_REDUCTION_METHOD_T __kmp_force_reduction_method;
2501 extern int __kmp_determ_red;
2502 
2503 #ifdef KMP_DEBUG
2504 extern int kmp_a_debug;
2505 extern int kmp_b_debug;
2506 extern int kmp_c_debug;
2507 extern int kmp_d_debug;
2508 extern int kmp_e_debug;
2509 extern int kmp_f_debug;
2510 #endif /* KMP_DEBUG */
2511 
2512 /* For debug information logging using rotating buffer */
2513 #define KMP_DEBUG_BUF_LINES_INIT 512
2514 #define KMP_DEBUG_BUF_LINES_MIN 1
2515 
2516 #define KMP_DEBUG_BUF_CHARS_INIT 128
2517 #define KMP_DEBUG_BUF_CHARS_MIN 2
2518 
2519 extern int __kmp_debug_buf; /* TRUE means use buffer, FALSE means print to stderr */
2520 extern int __kmp_debug_buf_lines; /* How many lines of debug stored in buffer */
2521 extern int __kmp_debug_buf_chars; /* How many characters allowed per line in buffer */
2522 extern int __kmp_debug_buf_atomic; /* TRUE means use atomic update of buffer entry pointer */
2523 
2524 extern char *__kmp_debug_buffer; /* Debug buffer itself */
2525 extern int __kmp_debug_count; /* Counter for number of lines printed in buffer so far */
2526 extern int __kmp_debug_buf_warn_chars; /* Keep track of char increase recommended in warnings */
2527 /* end rotating debug buffer */
2528 
2529 #ifdef KMP_DEBUG
2530 extern int __kmp_par_range; /* +1 => only go par for constructs in range */
2531 
2532 #define KMP_PAR_RANGE_ROUTINE_LEN 1024
2533 extern char __kmp_par_range_routine[KMP_PAR_RANGE_ROUTINE_LEN];
2534 #define KMP_PAR_RANGE_FILENAME_LEN 1024
2535 extern char __kmp_par_range_filename[KMP_PAR_RANGE_FILENAME_LEN];
2536 extern int __kmp_par_range_lb;
2537 extern int __kmp_par_range_ub;
2538 #endif
2539 
2540 /* For printing out dynamic storage map for threads and teams */
2541 extern int __kmp_storage_map; /* True means print storage map for threads and teams */
2542 extern int __kmp_storage_map_verbose; /* True means storage map includes placement info */
2543 extern int __kmp_storage_map_verbose_specified;
2544 
2545 extern kmp_cpuinfo_t __kmp_cpuinfo;
2546 
2547 extern volatile int __kmp_init_serial;
2548 extern volatile int __kmp_init_gtid;
2549 extern volatile int __kmp_init_common;
2550 extern volatile int __kmp_init_middle;
2551 extern volatile int __kmp_init_parallel;
2552 extern volatile int __kmp_init_monitor;
2553 extern volatile int __kmp_init_user_locks;
2554 extern int __kmp_init_counter;
2555 extern int __kmp_root_counter;
2556 extern int __kmp_version;
2557 
2558 /* list of address of allocated caches for commons */
2559 extern kmp_cached_addr_t *__kmp_threadpriv_cache_list;
2560 
2561 /* Barrier algorithm types and options */
2562 extern kmp_uint32 __kmp_barrier_gather_bb_dflt;
2563 extern kmp_uint32 __kmp_barrier_release_bb_dflt;
2564 extern kmp_bar_pat_e __kmp_barrier_gather_pat_dflt;
2565 extern kmp_bar_pat_e __kmp_barrier_release_pat_dflt;
2566 extern kmp_uint32 __kmp_barrier_gather_branch_bits [ bs_last_barrier ];
2567 extern kmp_uint32 __kmp_barrier_release_branch_bits [ bs_last_barrier ];
2568 extern kmp_bar_pat_e __kmp_barrier_gather_pattern [ bs_last_barrier ];
2569 extern kmp_bar_pat_e __kmp_barrier_release_pattern [ bs_last_barrier ];
2570 extern char const *__kmp_barrier_branch_bit_env_name [ bs_last_barrier ];
2571 extern char const *__kmp_barrier_pattern_env_name [ bs_last_barrier ];
2572 extern char const *__kmp_barrier_type_name [ bs_last_barrier ];
2573 extern char const *__kmp_barrier_pattern_name [ bp_last_bar ];
2574 
2575 /* Global Locks */
2576 extern kmp_bootstrap_lock_t __kmp_initz_lock; /* control initialization */
2577 extern kmp_bootstrap_lock_t __kmp_forkjoin_lock; /* control fork/join access and load calculation if rml is used*/
2578 extern kmp_bootstrap_lock_t __kmp_exit_lock; /* exit() is not always thread-safe */
2579 extern kmp_bootstrap_lock_t __kmp_monitor_lock; /* control monitor thread creation */
2580 extern kmp_bootstrap_lock_t __kmp_tp_cached_lock; /* used for the hack to allow threadprivate cache and __kmp_threads expansion to co-exist */
2581 
2582 extern kmp_lock_t __kmp_global_lock; /* control OS/global access */
2583 extern kmp_queuing_lock_t __kmp_dispatch_lock; /* control dispatch access */
2584 extern kmp_lock_t __kmp_debug_lock; /* control I/O access for KMP_DEBUG */
2585 
2586 /* used for yielding spin-waits */
2587 extern unsigned int __kmp_init_wait; /* initial number of spin-tests */
2588 extern unsigned int __kmp_next_wait; /* susequent number of spin-tests */
2589 
2590 extern enum library_type __kmp_library;
2591 
2592 extern enum sched_type __kmp_sched; /* default runtime scheduling */
2593 extern enum sched_type __kmp_static; /* default static scheduling method */
2594 extern enum sched_type __kmp_guided; /* default guided scheduling method */
2595 extern enum sched_type __kmp_auto; /* default auto scheduling method */
2596 extern int __kmp_chunk; /* default runtime chunk size */
2597 
2598 extern size_t __kmp_stksize; /* stack size per thread */
2599 extern size_t __kmp_monitor_stksize;/* stack size for monitor thread */
2600 extern size_t __kmp_stkoffset; /* stack offset per thread */
2601 extern int __kmp_stkpadding; /* Should we pad root thread(s) stack */
2602 
2603 extern size_t __kmp_malloc_pool_incr; /* incremental size of pool for kmp_malloc() */
2604 extern int __kmp_env_chunk; /* was KMP_CHUNK specified? */
2605 extern int __kmp_env_stksize; /* was KMP_STACKSIZE specified? */
2606 extern int __kmp_env_omp_stksize;/* was OMP_STACKSIZE specified? */
2607 extern int __kmp_env_all_threads; /* was KMP_ALL_THREADS or KMP_MAX_THREADS specified? */
2608 extern int __kmp_env_omp_all_threads;/* was OMP_THREAD_LIMIT specified? */
2609 extern int __kmp_env_blocktime; /* was KMP_BLOCKTIME specified? */
2610 extern int __kmp_env_checks; /* was KMP_CHECKS specified? */
2611 extern int __kmp_env_consistency_check; /* was KMP_CONSISTENCY_CHECK specified? */
2612 extern int __kmp_generate_warnings; /* should we issue warnings? */
2613 extern int __kmp_reserve_warn; /* have we issued reserve_threads warning? */
2614 
2615 #ifdef DEBUG_SUSPEND
2616 extern int __kmp_suspend_count; /* count inside __kmp_suspend_template() */
2617 #endif
2618 
2619 extern kmp_uint32 __kmp_yield_init;
2620 extern kmp_uint32 __kmp_yield_next;
2621 extern kmp_uint32 __kmp_yielding_on;
2622 extern kmp_uint32 __kmp_yield_cycle;
2623 extern kmp_int32 __kmp_yield_on_count;
2624 extern kmp_int32 __kmp_yield_off_count;
2625 
2626 
2627 /* ------------------------------------------------------------------------- */
2628 extern int __kmp_allThreadsSpecified;
2629 
2630 extern size_t __kmp_align_alloc;
2631 /* following data protected by initialization routines */
2632 extern int __kmp_xproc; /* number of processors in the system */
2633 extern int __kmp_avail_proc; /* number of processors available to the process */
2634 extern size_t __kmp_sys_min_stksize; /* system-defined minimum stack size */
2635 extern int __kmp_sys_max_nth; /* system-imposed maximum number of threads */
2636 extern int __kmp_max_nth; /* maximum total number of concurrently-existing threads */
2637 extern int __kmp_threads_capacity; /* capacity of the arrays __kmp_threads and __kmp_root */
2638 extern int __kmp_dflt_team_nth; /* default number of threads in a parallel region a la OMP_NUM_THREADS */
2639 extern int __kmp_dflt_team_nth_ub; /* upper bound on "" determined at serial initialization */
2640 extern int __kmp_tp_capacity; /* capacity of __kmp_threads if threadprivate is used (fixed) */
2641 extern int __kmp_tp_cached; /* whether threadprivate cache has been created (__kmpc_threadprivate_cached()) */
2642 extern int __kmp_dflt_nested; /* nested parallelism enabled by default a la OMP_NESTED */
2643 extern int __kmp_dflt_blocktime; /* number of milliseconds to wait before blocking (env setting) */
2644 extern int __kmp_monitor_wakeups;/* number of times monitor wakes up per second */
2645 extern int __kmp_bt_intervals; /* number of monitor timestamp intervals before blocking */
2646 #ifdef KMP_ADJUST_BLOCKTIME
2647 extern int __kmp_zero_bt; /* whether blocktime has been forced to zero */
2648 #endif /* KMP_ADJUST_BLOCKTIME */
2649 #ifdef KMP_DFLT_NTH_CORES
2650 extern int __kmp_ncores; /* Total number of cores for threads placement */
2651 #endif
2652 extern int __kmp_abort_delay; /* Number of millisecs to delay on abort for VTune */
2653 
2654 extern int __kmp_need_register_atfork_specified;
2655 extern int __kmp_need_register_atfork;/* At initialization, call pthread_atfork to install fork handler */
2656 extern int __kmp_gtid_mode; /* Method of getting gtid, values:
2657  0 - not set, will be set at runtime
2658  1 - using stack search
2659  2 - dynamic TLS (pthread_getspecific(Linux* OS/OS X*) or TlsGetValue(Windows* OS))
2660  3 - static TLS (__declspec(thread) __kmp_gtid), Linux* OS .so only.
2661  */
2662 extern int __kmp_adjust_gtid_mode; /* If true, adjust method based on #threads */
2663 #ifdef KMP_TDATA_GTID
2664 #if KMP_OS_WINDOWS
2665 extern __declspec(thread) int __kmp_gtid; /* This thread's gtid, if __kmp_gtid_mode == 3 */
2666 #else
2667 extern __thread int __kmp_gtid;
2668 #endif /* KMP_OS_WINDOWS - workaround because Intel(R) Many Integrated Core compiler 20110316 doesn't accept __declspec */
2669 #endif
2670 extern int __kmp_tls_gtid_min; /* #threads below which use sp search for gtid */
2671 extern int __kmp_foreign_tp; /* If true, separate TP var for each foreign thread */
2672 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
2673 extern int __kmp_inherit_fp_control; /* copy fp creg(s) parent->workers at fork */
2674 extern kmp_int16 __kmp_init_x87_fpu_control_word; /* init thread's FP control reg */
2675 extern kmp_uint32 __kmp_init_mxcsr; /* init thread's mxscr */
2676 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
2677 
2678 extern int __kmp_dflt_max_active_levels; /* max_active_levels for nested parallelism enabled by default a la OMP_MAX_ACTIVE_LEVELS */
2679 #if KMP_NESTED_HOT_TEAMS
2680 extern int __kmp_hot_teams_mode;
2681 extern int __kmp_hot_teams_max_level;
2682 #endif
2683 
2684 # if KMP_OS_LINUX
2685 extern enum clock_function_type __kmp_clock_function;
2686 extern int __kmp_clock_function_param;
2687 # endif /* KMP_OS_LINUX */
2688 
2689 #if KMP_ARCH_X86_64 && (KMP_OS_LINUX || KMP_OS_WINDOWS)
2690 extern enum mic_type __kmp_mic_type;
2691 #endif
2692 
2693 # ifdef USE_LOAD_BALANCE
2694 extern double __kmp_load_balance_interval; /* Interval for the load balance algorithm */
2695 # endif /* USE_LOAD_BALANCE */
2696 
2697 // OpenMP 3.1 - Nested num threads array
2698 typedef struct kmp_nested_nthreads_t {
2699  int * nth;
2700  int size;
2701  int used;
2702 } kmp_nested_nthreads_t;
2703 
2704 extern kmp_nested_nthreads_t __kmp_nested_nth;
2705 
2706 #if KMP_USE_ADAPTIVE_LOCKS
2707 
2708 // Parameters for the speculative lock backoff system.
2709 struct kmp_adaptive_backoff_params_t {
2710  // Number of soft retries before it counts as a hard retry.
2711  kmp_uint32 max_soft_retries;
2712  // Badness is a bit mask : 0,1,3,7,15,... on each hard failure we move one to the right
2713  kmp_uint32 max_badness;
2714 };
2715 
2716 extern kmp_adaptive_backoff_params_t __kmp_adaptive_backoff_params;
2717 
2718 #if KMP_DEBUG_ADAPTIVE_LOCKS
2719 extern char * __kmp_speculative_statsfile;
2720 #endif
2721 
2722 #endif // KMP_USE_ADAPTIVE_LOCKS
2723 
2724 #if OMP_40_ENABLED
2725 extern int __kmp_display_env; /* TRUE or FALSE */
2726 extern int __kmp_display_env_verbose; /* TRUE if OMP_DISPLAY_ENV=VERBOSE */
2727 extern int __kmp_omp_cancellation; /* TRUE or FALSE */
2728 #endif
2729 
2730 
2731 /* ------------------------------------------------------------------------- */
2732 
2733 /* --------------------------------------------------------------------------- */
2734 /* the following are protected by the fork/join lock */
2735 /* write: lock read: anytime */
2736 extern kmp_info_t **__kmp_threads; /* Descriptors for the threads */
2737 /* read/write: lock */
2738 extern volatile kmp_team_t * __kmp_team_pool;
2739 extern volatile kmp_info_t * __kmp_thread_pool;
2740 
2741 /* total number of threads reachable from some root thread including all root threads*/
2742 extern volatile int __kmp_nth;
2743 /* total number of threads reachable from some root thread including all root threads,
2744  and those in the thread pool */
2745 extern volatile int __kmp_all_nth;
2746 extern int __kmp_thread_pool_nth;
2747 extern volatile int __kmp_thread_pool_active_nth;
2748 
2749 extern kmp_root_t **__kmp_root; /* root of thread hierarchy */
2750 /* end data protected by fork/join lock */
2751 /* --------------------------------------------------------------------------- */
2752 
2753 extern kmp_global_t __kmp_global; /* global status */
2754 
2755 extern kmp_info_t __kmp_monitor;
2756 extern volatile kmp_uint32 __kmp_team_counter; // Used by Debugging Support Library.
2757 extern volatile kmp_uint32 __kmp_task_counter; // Used by Debugging Support Library.
2758 
2759 #if USE_DEBUGGER
2760 
2761 #define _KMP_GEN_ID( counter ) \
2762  ( \
2763  __kmp_debugging \
2764  ? \
2765  KMP_TEST_THEN_INC32( (volatile kmp_int32 *) & counter ) + 1 \
2766  : \
2767  ~ 0 \
2768  )
2769 #else
2770 #define _KMP_GEN_ID( counter ) \
2771  ( \
2772  ~ 0 \
2773  )
2774 #endif /* USE_DEBUGGER */
2775 
2776 #define KMP_GEN_TASK_ID() _KMP_GEN_ID( __kmp_task_counter )
2777 #define KMP_GEN_TEAM_ID() _KMP_GEN_ID( __kmp_team_counter )
2778 
2779 /* ------------------------------------------------------------------------ */
2780 /* ------------------------------------------------------------------------ */
2781 
2782 extern void __kmp_print_storage_map_gtid( int gtid, void *p1, void* p2, size_t size, char const *format, ... );
2783 
2784 extern void __kmp_serial_initialize( void );
2785 extern void __kmp_middle_initialize( void );
2786 extern void __kmp_parallel_initialize( void );
2787 
2788 extern void __kmp_internal_begin( void );
2789 extern void __kmp_internal_end_library( int gtid );
2790 extern void __kmp_internal_end_thread( int gtid );
2791 extern void __kmp_internal_end_atexit( void );
2792 extern void __kmp_internal_end_fini( void );
2793 extern void __kmp_internal_end_dtor( void );
2794 extern void __kmp_internal_end_dest( void* );
2795 
2796 extern int __kmp_register_root( int initial_thread );
2797 extern void __kmp_unregister_root( int gtid );
2798 
2799 extern int __kmp_ignore_mppbeg( void );
2800 extern int __kmp_ignore_mppend( void );
2801 
2802 extern int __kmp_enter_single( int gtid, ident_t *id_ref, int push_ws );
2803 extern void __kmp_exit_single( int gtid );
2804 
2805 extern void __kmp_parallel_deo( int *gtid_ref, int *cid_ref, ident_t *loc_ref );
2806 extern void __kmp_parallel_dxo( int *gtid_ref, int *cid_ref, ident_t *loc_ref );
2807 
2808 
2809 #ifdef USE_LOAD_BALANCE
2810 extern int __kmp_get_load_balance( int );
2811 #endif
2812 
2813 #ifdef BUILD_TV
2814 extern void __kmp_tv_threadprivate_store( kmp_info_t *th, void *global_addr, void *thread_addr );
2815 #endif
2816 
2817 extern int __kmp_get_global_thread_id( void );
2818 extern int __kmp_get_global_thread_id_reg( void );
2819 extern void __kmp_exit_thread( int exit_status );
2820 extern void __kmp_abort( char const * format, ... );
2821 extern void __kmp_abort_thread( void );
2822 extern void __kmp_abort_process( void );
2823 extern void __kmp_warn( char const * format, ... );
2824 
2825 extern void __kmp_set_num_threads( int new_nth, int gtid );
2826 
2827 // Returns current thread (pointer to kmp_info_t). Current thread *must* be registered.
2828 static inline kmp_info_t * __kmp_entry_thread()
2829 {
2830  int gtid = __kmp_entry_gtid();
2831 
2832  return __kmp_threads[gtid];
2833 }
2834 
2835 extern void __kmp_set_max_active_levels( int gtid, int new_max_active_levels );
2836 extern int __kmp_get_max_active_levels( int gtid );
2837 extern int __kmp_get_ancestor_thread_num( int gtid, int level );
2838 extern int __kmp_get_team_size( int gtid, int level );
2839 extern void __kmp_set_schedule( int gtid, kmp_sched_t new_sched, int chunk );
2840 extern void __kmp_get_schedule( int gtid, kmp_sched_t * sched, int * chunk );
2841 
2842 extern unsigned short __kmp_get_random( kmp_info_t * thread );
2843 extern void __kmp_init_random( kmp_info_t * thread );
2844 
2845 extern kmp_r_sched_t __kmp_get_schedule_global( void );
2846 extern void __kmp_adjust_num_threads( int new_nproc );
2847 
2848 extern void * ___kmp_allocate( size_t size KMP_SRC_LOC_DECL );
2849 extern void * ___kmp_page_allocate( size_t size KMP_SRC_LOC_DECL );
2850 extern void ___kmp_free( void * ptr KMP_SRC_LOC_DECL );
2851 #define __kmp_allocate( size ) ___kmp_allocate( (size) KMP_SRC_LOC_CURR )
2852 #define __kmp_page_allocate( size ) ___kmp_page_allocate( (size) KMP_SRC_LOC_CURR )
2853 #define __kmp_free( ptr ) ___kmp_free( (ptr) KMP_SRC_LOC_CURR )
2854 
2855 #if USE_FAST_MEMORY
2856 extern void * ___kmp_fast_allocate( kmp_info_t *this_thr, size_t size KMP_SRC_LOC_DECL );
2857 extern void ___kmp_fast_free( kmp_info_t *this_thr, void *ptr KMP_SRC_LOC_DECL );
2858 extern void __kmp_free_fast_memory( kmp_info_t *this_thr );
2859 extern void __kmp_initialize_fast_memory( kmp_info_t *this_thr );
2860 #define __kmp_fast_allocate( this_thr, size ) ___kmp_fast_allocate( (this_thr), (size) KMP_SRC_LOC_CURR )
2861 #define __kmp_fast_free( this_thr, ptr ) ___kmp_fast_free( (this_thr), (ptr) KMP_SRC_LOC_CURR )
2862 #endif
2863 
2864 extern void * ___kmp_thread_malloc( kmp_info_t *th, size_t size KMP_SRC_LOC_DECL );
2865 extern void * ___kmp_thread_calloc( kmp_info_t *th, size_t nelem, size_t elsize KMP_SRC_LOC_DECL );
2866 extern void * ___kmp_thread_realloc( kmp_info_t *th, void *ptr, size_t size KMP_SRC_LOC_DECL );
2867 extern void ___kmp_thread_free( kmp_info_t *th, void *ptr KMP_SRC_LOC_DECL );
2868 #define __kmp_thread_malloc( th, size ) ___kmp_thread_malloc( (th), (size) KMP_SRC_LOC_CURR )
2869 #define __kmp_thread_calloc( th, nelem, elsize ) ___kmp_thread_calloc( (th), (nelem), (elsize) KMP_SRC_LOC_CURR )
2870 #define __kmp_thread_realloc( th, ptr, size ) ___kmp_thread_realloc( (th), (ptr), (size) KMP_SRC_LOC_CURR )
2871 #define __kmp_thread_free( th, ptr ) ___kmp_thread_free( (th), (ptr) KMP_SRC_LOC_CURR )
2872 
2873 #define KMP_INTERNAL_MALLOC(sz) malloc(sz)
2874 #define KMP_INTERNAL_FREE(p) free(p)
2875 #define KMP_INTERNAL_REALLOC(p,sz) realloc((p),(sz))
2876 #define KMP_INTERNAL_CALLOC(n,sz) calloc((n),(sz))
2877 
2878 extern void __kmp_push_num_threads( ident_t *loc, int gtid, int num_threads );
2879 
2880 #if OMP_40_ENABLED
2881 extern void __kmp_push_proc_bind( ident_t *loc, int gtid, kmp_proc_bind_t proc_bind );
2882 extern void __kmp_push_num_teams( ident_t *loc, int gtid, int num_teams, int num_threads );
2883 #endif
2884 
2885 extern void __kmp_yield( int cond );
2886 
2887 extern void __kmpc_dispatch_init_4( ident_t *loc, kmp_int32 gtid,
2888  enum sched_type schedule, kmp_int32 lb, kmp_int32 ub, kmp_int32 st,
2889  kmp_int32 chunk );
2890 extern void __kmpc_dispatch_init_4u( ident_t *loc, kmp_int32 gtid,
2891  enum sched_type schedule, kmp_uint32 lb, kmp_uint32 ub, kmp_int32 st,
2892  kmp_int32 chunk );
2893 extern void __kmpc_dispatch_init_8( ident_t *loc, kmp_int32 gtid,
2894  enum sched_type schedule, kmp_int64 lb, kmp_int64 ub, kmp_int64 st,
2895  kmp_int64 chunk );
2896 extern void __kmpc_dispatch_init_8u( ident_t *loc, kmp_int32 gtid,
2897  enum sched_type schedule, kmp_uint64 lb, kmp_uint64 ub, kmp_int64 st,
2898  kmp_int64 chunk );
2899 
2900 extern int __kmpc_dispatch_next_4( ident_t *loc, kmp_int32 gtid,
2901  kmp_int32 *p_last, kmp_int32 *p_lb, kmp_int32 *p_ub, kmp_int32 *p_st );
2902 extern int __kmpc_dispatch_next_4u( ident_t *loc, kmp_int32 gtid,
2903  kmp_int32 *p_last, kmp_uint32 *p_lb, kmp_uint32 *p_ub, kmp_int32 *p_st );
2904 extern int __kmpc_dispatch_next_8( ident_t *loc, kmp_int32 gtid,
2905  kmp_int32 *p_last, kmp_int64 *p_lb, kmp_int64 *p_ub, kmp_int64 *p_st );
2906 extern int __kmpc_dispatch_next_8u( ident_t *loc, kmp_int32 gtid,
2907  kmp_int32 *p_last, kmp_uint64 *p_lb, kmp_uint64 *p_ub, kmp_int64 *p_st );
2908 
2909 extern void __kmpc_dispatch_fini_4( ident_t *loc, kmp_int32 gtid );
2910 extern void __kmpc_dispatch_fini_8( ident_t *loc, kmp_int32 gtid );
2911 extern void __kmpc_dispatch_fini_4u( ident_t *loc, kmp_int32 gtid );
2912 extern void __kmpc_dispatch_fini_8u( ident_t *loc, kmp_int32 gtid );
2913 
2914 
2915 #ifdef KMP_GOMP_COMPAT
2916 
2917 extern void __kmp_aux_dispatch_init_4( ident_t *loc, kmp_int32 gtid,
2918  enum sched_type schedule, kmp_int32 lb, kmp_int32 ub, kmp_int32 st,
2919  kmp_int32 chunk, int push_ws );
2920 extern void __kmp_aux_dispatch_init_4u( ident_t *loc, kmp_int32 gtid,
2921  enum sched_type schedule, kmp_uint32 lb, kmp_uint32 ub, kmp_int32 st,
2922  kmp_int32 chunk, int push_ws );
2923 extern void __kmp_aux_dispatch_init_8( ident_t *loc, kmp_int32 gtid,
2924  enum sched_type schedule, kmp_int64 lb, kmp_int64 ub, kmp_int64 st,
2925  kmp_int64 chunk, int push_ws );
2926 extern void __kmp_aux_dispatch_init_8u( ident_t *loc, kmp_int32 gtid,
2927  enum sched_type schedule, kmp_uint64 lb, kmp_uint64 ub, kmp_int64 st,
2928  kmp_int64 chunk, int push_ws );
2929 extern void __kmp_aux_dispatch_fini_chunk_4( ident_t *loc, kmp_int32 gtid );
2930 extern void __kmp_aux_dispatch_fini_chunk_8( ident_t *loc, kmp_int32 gtid );
2931 extern void __kmp_aux_dispatch_fini_chunk_4u( ident_t *loc, kmp_int32 gtid );
2932 extern void __kmp_aux_dispatch_fini_chunk_8u( ident_t *loc, kmp_int32 gtid );
2933 
2934 #endif /* KMP_GOMP_COMPAT */
2935 
2936 
2937 extern kmp_uint32 __kmp_eq_4( kmp_uint32 value, kmp_uint32 checker );
2938 extern kmp_uint32 __kmp_neq_4( kmp_uint32 value, kmp_uint32 checker );
2939 extern kmp_uint32 __kmp_lt_4( kmp_uint32 value, kmp_uint32 checker );
2940 extern kmp_uint32 __kmp_ge_4( kmp_uint32 value, kmp_uint32 checker );
2941 extern kmp_uint32 __kmp_le_4( kmp_uint32 value, kmp_uint32 checker );
2942 
2943 extern kmp_uint32 __kmp_eq_8( kmp_uint64 value, kmp_uint64 checker );
2944 extern kmp_uint32 __kmp_neq_8( kmp_uint64 value, kmp_uint64 checker );
2945 extern kmp_uint32 __kmp_lt_8( kmp_uint64 value, kmp_uint64 checker );
2946 extern kmp_uint32 __kmp_ge_8( kmp_uint64 value, kmp_uint64 checker );
2947 extern kmp_uint32 __kmp_le_8( kmp_uint64 value, kmp_uint64 checker );
2948 
2949 extern kmp_uint32 __kmp_wait_yield_4( kmp_uint32 volatile * spinner, kmp_uint32 checker, kmp_uint32 (*pred) (kmp_uint32, kmp_uint32), void * obj );
2950 extern kmp_uint64 __kmp_wait_yield_8( kmp_uint64 volatile * spinner, kmp_uint64 checker, kmp_uint32 (*pred) (kmp_uint64, kmp_uint64), void * obj );
2951 
2952 class kmp_flag_32;
2953 class kmp_flag_64;
2954 class kmp_flag_oncore;
2955 extern void __kmp_wait_32(kmp_info_t *this_thr, kmp_flag_32 *flag, int final_spin
2956 #if USE_ITT_BUILD
2957  , void * itt_sync_obj
2958 #endif
2959  );
2960 extern void __kmp_release_32(kmp_flag_32 *flag);
2961 extern void __kmp_wait_64(kmp_info_t *this_thr, kmp_flag_64 *flag, int final_spin
2962 #if USE_ITT_BUILD
2963  , void * itt_sync_obj
2964 #endif
2965  );
2966 extern void __kmp_release_64(kmp_flag_64 *flag);
2967 extern void __kmp_wait_oncore(kmp_info_t *this_thr, kmp_flag_oncore *flag, int final_spin
2968 #if USE_ITT_BUILD
2969  , void * itt_sync_obj
2970 #endif
2971  );
2972 extern void __kmp_release_oncore(kmp_flag_oncore *flag);
2973 
2974 extern void __kmp_infinite_loop( void );
2975 
2976 extern void __kmp_cleanup( void );
2977 
2978 #if KMP_HANDLE_SIGNALS
2979  extern int __kmp_handle_signals;
2980  extern void __kmp_install_signals( int parallel_init );
2981  extern void __kmp_remove_signals( void );
2982 #endif
2983 
2984 extern void __kmp_clear_system_time( void );
2985 extern void __kmp_read_system_time( double *delta );
2986 
2987 extern void __kmp_check_stack_overlap( kmp_info_t *thr );
2988 
2989 extern void __kmp_expand_host_name( char *buffer, size_t size );
2990 extern void __kmp_expand_file_name( char *result, size_t rlen, char *pattern );
2991 
2992 #if KMP_OS_WINDOWS
2993 extern void __kmp_initialize_system_tick( void ); /* Initialize timer tick value */
2994 #endif
2995 
2996 extern void __kmp_runtime_initialize( void ); /* machine specific initialization */
2997 extern void __kmp_runtime_destroy( void );
2998 
2999 #if KMP_AFFINITY_SUPPORTED
3000 extern char *__kmp_affinity_print_mask(char *buf, int buf_len, kmp_affin_mask_t *mask);
3001 extern void __kmp_affinity_initialize(void);
3002 extern void __kmp_affinity_uninitialize(void);
3003 extern void __kmp_affinity_set_init_mask(int gtid, int isa_root); /* set affinity according to KMP_AFFINITY */
3004 #if OMP_40_ENABLED
3005 extern void __kmp_affinity_set_place(int gtid);
3006 #endif
3007 extern void __kmp_affinity_determine_capable( const char *env_var );
3008 extern int __kmp_aux_set_affinity(void **mask);
3009 extern int __kmp_aux_get_affinity(void **mask);
3010 extern int __kmp_aux_set_affinity_mask_proc(int proc, void **mask);
3011 extern int __kmp_aux_unset_affinity_mask_proc(int proc, void **mask);
3012 extern int __kmp_aux_get_affinity_mask_proc(int proc, void **mask);
3013 extern void __kmp_balanced_affinity( int tid, int team_size );
3014 #endif /* KMP_AFFINITY_SUPPORTED */
3015 
3016 extern void __kmp_cleanup_hierarchy();
3017 extern void __kmp_get_hierarchy(kmp_uint32 nproc, kmp_bstate_t *thr_bar);
3018 
3019 #if KMP_OS_LINUX && (KMP_ARCH_X86 || KMP_ARCH_X86_64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64)
3020 
3021 extern int __kmp_futex_determine_capable( void );
3022 
3023 #endif // KMP_OS_LINUX && (KMP_ARCH_X86 || KMP_ARCH_X86_64 || KMP_ARCH_ARM || KMP_ARCH_AARCH64)
3024 
3025 extern void __kmp_gtid_set_specific( int gtid );
3026 extern int __kmp_gtid_get_specific( void );
3027 
3028 extern double __kmp_read_cpu_time( void );
3029 
3030 extern int __kmp_read_system_info( struct kmp_sys_info *info );
3031 
3032 extern void __kmp_create_monitor( kmp_info_t *th );
3033 
3034 extern void *__kmp_launch_thread( kmp_info_t *thr );
3035 
3036 extern void __kmp_create_worker( int gtid, kmp_info_t *th, size_t stack_size );
3037 
3038 #if KMP_OS_WINDOWS
3039 extern int __kmp_still_running(kmp_info_t *th);
3040 extern int __kmp_is_thread_alive( kmp_info_t * th, DWORD *exit_val );
3041 extern void __kmp_free_handle( kmp_thread_t tHandle );
3042 #endif
3043 
3044 extern void __kmp_reap_monitor( kmp_info_t *th );
3045 extern void __kmp_reap_worker( kmp_info_t *th );
3046 extern void __kmp_terminate_thread( int gtid );
3047 
3048 extern void __kmp_suspend_32( int th_gtid, kmp_flag_32 *flag );
3049 extern void __kmp_suspend_64( int th_gtid, kmp_flag_64 *flag );
3050 extern void __kmp_suspend_oncore( int th_gtid, kmp_flag_oncore *flag );
3051 extern void __kmp_resume_32( int target_gtid, kmp_flag_32 *flag );
3052 extern void __kmp_resume_64( int target_gtid, kmp_flag_64 *flag );
3053 extern void __kmp_resume_oncore( int target_gtid, kmp_flag_oncore *flag );
3054 
3055 extern void __kmp_elapsed( double * );
3056 extern void __kmp_elapsed_tick( double * );
3057 
3058 extern void __kmp_enable( int old_state );
3059 extern void __kmp_disable( int *old_state );
3060 
3061 extern void __kmp_thread_sleep( int millis );
3062 
3063 extern void __kmp_common_initialize( void );
3064 extern void __kmp_common_destroy( void );
3065 extern void __kmp_common_destroy_gtid( int gtid );
3066 
3067 #if KMP_OS_UNIX
3068 extern void __kmp_register_atfork( void );
3069 #endif
3070 extern void __kmp_suspend_initialize( void );
3071 extern void __kmp_suspend_uninitialize_thread( kmp_info_t *th );
3072 
3073 extern kmp_info_t * __kmp_allocate_thread( kmp_root_t *root,
3074  kmp_team_t *team, int tid);
3075 #if OMP_40_ENABLED
3076 extern kmp_team_t * __kmp_allocate_team( kmp_root_t *root, int new_nproc, int max_nproc,
3077 #if OMPT_SUPPORT
3078  ompt_parallel_id_t ompt_parallel_id,
3079 #endif
3080  kmp_proc_bind_t proc_bind,
3081  kmp_internal_control_t *new_icvs,
3082  int argc USE_NESTED_HOT_ARG(kmp_info_t *thr) );
3083 #else
3084 extern kmp_team_t * __kmp_allocate_team( kmp_root_t *root, int new_nproc, int max_nproc,
3085 #if OMPT_SUPPORT
3086  ompt_parallel_id_t ompt_parallel_id,
3087 #endif
3088  kmp_internal_control_t *new_icvs,
3089  int argc USE_NESTED_HOT_ARG(kmp_info_t *thr) );
3090 #endif // OMP_40_ENABLED
3091 extern void __kmp_free_thread( kmp_info_t * );
3092 extern void __kmp_free_team( kmp_root_t *, kmp_team_t * USE_NESTED_HOT_ARG(kmp_info_t *) );
3093 extern kmp_team_t * __kmp_reap_team( kmp_team_t * );
3094 
3095 /* ------------------------------------------------------------------------ */
3096 
3097 extern void __kmp_initialize_bget( kmp_info_t *th );
3098 extern void __kmp_finalize_bget( kmp_info_t *th );
3099 
3100 KMP_EXPORT void *kmpc_malloc( size_t size );
3101 KMP_EXPORT void *kmpc_calloc( size_t nelem, size_t elsize );
3102 KMP_EXPORT void *kmpc_realloc( void *ptr, size_t size );
3103 KMP_EXPORT void kmpc_free( void *ptr );
3104 
3105 /* ------------------------------------------------------------------------ */
3106 /* declarations for internal use */
3107 
3108 extern int __kmp_barrier( enum barrier_type bt, int gtid, int is_split,
3109  size_t reduce_size, void *reduce_data, void (*reduce)(void *, void *) );
3110 extern void __kmp_end_split_barrier ( enum barrier_type bt, int gtid );
3111 
3115 enum fork_context_e
3116 {
3117  fork_context_gnu,
3118  fork_context_intel,
3119  fork_context_last
3120 };
3121 extern int __kmp_fork_call( ident_t *loc, int gtid, enum fork_context_e fork_context,
3122  kmp_int32 argc,
3123 #if OMPT_SUPPORT
3124  void *unwrapped_task,
3125 #endif
3126  microtask_t microtask, launch_t invoker,
3127 /* TODO: revert workaround for Intel(R) 64 tracker #96 */
3128 #if (KMP_ARCH_ARM || KMP_ARCH_X86_64 || KMP_ARCH_AARCH64) && KMP_OS_LINUX
3129  va_list *ap
3130 #else
3131  va_list ap
3132 #endif
3133  );
3134 
3135 extern void __kmp_join_call( ident_t *loc, int gtid
3136 #if OMP_40_ENABLED
3137  , int exit_teams = 0
3138 #endif
3139  );
3140 
3141 extern void __kmp_serialized_parallel(ident_t *id, kmp_int32 gtid);
3142 extern void __kmp_internal_fork( ident_t *id, int gtid, kmp_team_t *team );
3143 extern void __kmp_internal_join( ident_t *id, int gtid, kmp_team_t *team );
3144 extern int __kmp_invoke_task_func( int gtid );
3145 extern void __kmp_run_before_invoked_task( int gtid, int tid, kmp_info_t *this_thr, kmp_team_t *team );
3146 extern void __kmp_run_after_invoked_task( int gtid, int tid, kmp_info_t *this_thr, kmp_team_t *team );
3147 
3148 // should never have been exported
3149 KMP_EXPORT int __kmpc_invoke_task_func( int gtid );
3150 #if OMP_40_ENABLED
3151 extern int __kmp_invoke_teams_master( int gtid );
3152 extern void __kmp_teams_master( int gtid );
3153 #endif
3154 extern void __kmp_save_internal_controls( kmp_info_t * thread );
3155 extern void __kmp_user_set_library (enum library_type arg);
3156 extern void __kmp_aux_set_library (enum library_type arg);
3157 extern void __kmp_aux_set_stacksize( size_t arg);
3158 extern void __kmp_aux_set_blocktime (int arg, kmp_info_t *thread, int tid);
3159 extern void __kmp_aux_set_defaults( char const * str, int len );
3160 
3161 /* Functions below put here to call them from __kmp_aux_env_initialize() in kmp_settings.c */
3162 void kmpc_set_blocktime (int arg);
3163 void ompc_set_nested( int flag );
3164 void ompc_set_dynamic( int flag );
3165 void ompc_set_num_threads( int arg );
3166 
3167 extern void __kmp_push_current_task_to_thread( kmp_info_t *this_thr,
3168  kmp_team_t *team, int tid );
3169 extern void __kmp_pop_current_task_from_thread( kmp_info_t *this_thr );
3170 extern kmp_task_t* __kmp_task_alloc( ident_t *loc_ref, kmp_int32 gtid,
3171  kmp_tasking_flags_t *flags, size_t sizeof_kmp_task_t, size_t sizeof_shareds,
3172  kmp_routine_entry_t task_entry );
3173 #if OMPT_SUPPORT
3174 extern void __kmp_task_init_ompt( kmp_taskdata_t * task, int tid );
3175 #endif
3176 extern void __kmp_init_implicit_task( ident_t *loc_ref, kmp_info_t *this_thr,
3177  kmp_team_t *team, int tid, int set_curr_task );
3178 int __kmp_execute_tasks_32(kmp_info_t *thread, kmp_int32 gtid, kmp_flag_32 *flag, int final_spin,
3179  int *thread_finished,
3180 #if USE_ITT_BUILD
3181  void * itt_sync_obj,
3182 #endif /* USE_ITT_BUILD */
3183  kmp_int32 is_constrained);
3184 int __kmp_execute_tasks_64(kmp_info_t *thread, kmp_int32 gtid, kmp_flag_64 *flag, int final_spin,
3185  int *thread_finished,
3186 #if USE_ITT_BUILD
3187  void * itt_sync_obj,
3188 #endif /* USE_ITT_BUILD */
3189  kmp_int32 is_constrained);
3190 int __kmp_execute_tasks_oncore(kmp_info_t *thread, kmp_int32 gtid, kmp_flag_oncore *flag, int final_spin,
3191  int *thread_finished,
3192 #if USE_ITT_BUILD
3193  void * itt_sync_obj,
3194 #endif /* USE_ITT_BUILD */
3195  kmp_int32 is_constrained);
3196 
3197 extern void __kmp_reap_task_teams( void );
3198 extern void __kmp_unref_task_team( kmp_task_team_t *task_team, kmp_info_t *thread );
3199 extern void __kmp_wait_to_unref_task_teams( void );
3200 extern void __kmp_task_team_setup ( kmp_info_t *this_thr, kmp_team_t *team, int both, int always );
3201 extern void __kmp_task_team_sync ( kmp_info_t *this_thr, kmp_team_t *team );
3202 extern void __kmp_task_team_wait ( kmp_info_t *this_thr, kmp_team_t *team
3203 #if USE_ITT_BUILD
3204  , void * itt_sync_obj
3205 #endif /* USE_ITT_BUILD */
3206 );
3207 extern void __kmp_tasking_barrier( kmp_team_t *team, kmp_info_t *thread, int gtid );
3208 
3209 extern int __kmp_is_address_mapped( void *addr );
3210 extern kmp_uint64 __kmp_hardware_timestamp(void);
3211 
3212 #if KMP_OS_UNIX
3213 extern int __kmp_read_from_file( char const *path, char const *format, ... );
3214 #endif
3215 
3216 /* ------------------------------------------------------------------------ */
3217 //
3218 // Assembly routines that have no compiler intrinsic replacement
3219 //
3220 
3221 #if KMP_ARCH_X86 || KMP_ARCH_X86_64
3222 
3223 extern void __kmp_query_cpuid( kmp_cpuinfo_t *p );
3224 
3225 #define __kmp_load_mxcsr(p) _mm_setcsr(*(p))
3226 static inline void __kmp_store_mxcsr( kmp_uint32 *p ) { *p = _mm_getcsr(); }
3227 
3228 extern void __kmp_load_x87_fpu_control_word( kmp_int16 *p );
3229 extern void __kmp_store_x87_fpu_control_word( kmp_int16 *p );
3230 extern void __kmp_clear_x87_fpu_status_word();
3231 # define KMP_X86_MXCSR_MASK 0xffffffc0 /* ignore status flags (6 lsb) */
3232 
3233 #endif /* KMP_ARCH_X86 || KMP_ARCH_X86_64 */
3234 
3235 extern int __kmp_invoke_microtask( microtask_t pkfn, int gtid, int npr, int argc, void *argv[]
3236 #if OMPT_SUPPORT
3237  , void **exit_frame_ptr
3238 #endif
3239 );
3240 
3241 
3242 /* ------------------------------------------------------------------------ */
3243 
3244 KMP_EXPORT void __kmpc_begin ( ident_t *, kmp_int32 flags );
3245 KMP_EXPORT void __kmpc_end ( ident_t * );
3246 
3247 KMP_EXPORT void __kmpc_threadprivate_register_vec ( ident_t *, void * data, kmpc_ctor_vec ctor,
3248  kmpc_cctor_vec cctor, kmpc_dtor_vec dtor, size_t vector_length );
3249 KMP_EXPORT void __kmpc_threadprivate_register ( ident_t *, void * data, kmpc_ctor ctor, kmpc_cctor cctor, kmpc_dtor dtor );
3250 KMP_EXPORT void * __kmpc_threadprivate ( ident_t *, kmp_int32 global_tid, void * data, size_t size );
3251 
3252 KMP_EXPORT kmp_int32 __kmpc_global_thread_num ( ident_t * );
3253 KMP_EXPORT kmp_int32 __kmpc_global_num_threads ( ident_t * );
3254 KMP_EXPORT kmp_int32 __kmpc_bound_thread_num ( ident_t * );
3255 KMP_EXPORT kmp_int32 __kmpc_bound_num_threads ( ident_t * );
3256 
3257 KMP_EXPORT kmp_int32 __kmpc_ok_to_fork ( ident_t * );
3258 KMP_EXPORT void __kmpc_fork_call ( ident_t *, kmp_int32 nargs, kmpc_micro microtask, ... );
3259 
3260 KMP_EXPORT void __kmpc_serialized_parallel ( ident_t *, kmp_int32 global_tid );
3261 KMP_EXPORT void __kmpc_end_serialized_parallel ( ident_t *, kmp_int32 global_tid );
3262 
3263 KMP_EXPORT void __kmpc_flush ( ident_t *);
3264 KMP_EXPORT void __kmpc_barrier ( ident_t *, kmp_int32 global_tid );
3265 KMP_EXPORT kmp_int32 __kmpc_master ( ident_t *, kmp_int32 global_tid );
3266 KMP_EXPORT void __kmpc_end_master ( ident_t *, kmp_int32 global_tid );
3267 KMP_EXPORT void __kmpc_ordered ( ident_t *, kmp_int32 global_tid );
3268 KMP_EXPORT void __kmpc_end_ordered ( ident_t *, kmp_int32 global_tid );
3269 KMP_EXPORT void __kmpc_critical ( ident_t *, kmp_int32 global_tid, kmp_critical_name * );
3270 KMP_EXPORT void __kmpc_end_critical ( ident_t *, kmp_int32 global_tid, kmp_critical_name * );
3271 
3272 KMP_EXPORT kmp_int32 __kmpc_barrier_master ( ident_t *, kmp_int32 global_tid );
3273 KMP_EXPORT void __kmpc_end_barrier_master ( ident_t *, kmp_int32 global_tid );
3274 
3275 KMP_EXPORT kmp_int32 __kmpc_barrier_master_nowait ( ident_t *, kmp_int32 global_tid );
3276 
3277 KMP_EXPORT kmp_int32 __kmpc_single ( ident_t *, kmp_int32 global_tid );
3278 KMP_EXPORT void __kmpc_end_single ( ident_t *, kmp_int32 global_tid );
3279 
3280 KMP_EXPORT void KMPC_FOR_STATIC_INIT ( ident_t *loc, kmp_int32 global_tid, kmp_int32 schedtype, kmp_int32 *plastiter,
3281  kmp_int *plower, kmp_int *pupper, kmp_int *pstride, kmp_int incr, kmp_int chunk );
3282 
3283 KMP_EXPORT void __kmpc_for_static_fini ( ident_t *loc, kmp_int32 global_tid );
3284 
3285 KMP_EXPORT void __kmpc_copyprivate( ident_t *loc, kmp_int32 global_tid, size_t cpy_size, void *cpy_data, void(*cpy_func)(void*,void*), kmp_int32 didit );
3286 
3287 extern void KMPC_SET_NUM_THREADS ( int arg );
3288 extern void KMPC_SET_DYNAMIC ( int flag );
3289 extern void KMPC_SET_NESTED ( int flag );
3290 
3291 /* --------------------------------------------------------------------------- */
3292 
3293 /*
3294  * Taskq interface routines
3295  */
3296 
3297 KMP_EXPORT kmpc_thunk_t * __kmpc_taskq (ident_t *loc, kmp_int32 global_tid, kmpc_task_t taskq_task, size_t sizeof_thunk,
3298  size_t sizeof_shareds, kmp_int32 flags, kmpc_shared_vars_t **shareds);
3299 KMP_EXPORT void __kmpc_end_taskq (ident_t *loc, kmp_int32 global_tid, kmpc_thunk_t *thunk);
3300 KMP_EXPORT kmp_int32 __kmpc_task (ident_t *loc, kmp_int32 global_tid, kmpc_thunk_t *thunk);
3301 KMP_EXPORT void __kmpc_taskq_task (ident_t *loc, kmp_int32 global_tid, kmpc_thunk_t *thunk, kmp_int32 status);
3302 KMP_EXPORT void __kmpc_end_taskq_task (ident_t *loc, kmp_int32 global_tid, kmpc_thunk_t *thunk);
3303 KMP_EXPORT kmpc_thunk_t * __kmpc_task_buffer (ident_t *loc, kmp_int32 global_tid, kmpc_thunk_t *taskq_thunk, kmpc_task_t task);
3304 
3305 /* ------------------------------------------------------------------------ */
3306 
3307 /*
3308  * OMP 3.0 tasking interface routines
3309  */
3310 
3311 KMP_EXPORT kmp_int32
3312 __kmpc_omp_task( ident_t *loc_ref, kmp_int32 gtid, kmp_task_t * new_task );
3313 KMP_EXPORT kmp_task_t*
3314 __kmpc_omp_task_alloc( ident_t *loc_ref, kmp_int32 gtid, kmp_int32 flags,
3315  size_t sizeof_kmp_task_t, size_t sizeof_shareds,
3316  kmp_routine_entry_t task_entry );
3317 KMP_EXPORT void
3318 __kmpc_omp_task_begin_if0( ident_t *loc_ref, kmp_int32 gtid, kmp_task_t * task );
3319 KMP_EXPORT void
3320 __kmpc_omp_task_complete_if0( ident_t *loc_ref, kmp_int32 gtid, kmp_task_t *task );
3321 KMP_EXPORT kmp_int32
3322 __kmpc_omp_task_parts( ident_t *loc_ref, kmp_int32 gtid, kmp_task_t * new_task );
3323 KMP_EXPORT kmp_int32
3324 __kmpc_omp_taskwait( ident_t *loc_ref, kmp_int32 gtid );
3325 
3326 KMP_EXPORT kmp_int32
3327 __kmpc_omp_taskyield( ident_t *loc_ref, kmp_int32 gtid, int end_part );
3328 
3329 #if TASK_UNUSED
3330 void __kmpc_omp_task_begin( ident_t *loc_ref, kmp_int32 gtid, kmp_task_t * task );
3331 void __kmpc_omp_task_complete( ident_t *loc_ref, kmp_int32 gtid, kmp_task_t *task );
3332 #endif // TASK_UNUSED
3333 
3334 /* ------------------------------------------------------------------------ */
3335 
3336 #if OMP_40_ENABLED
3337 
3338 KMP_EXPORT void __kmpc_taskgroup( ident_t * loc, int gtid );
3339 KMP_EXPORT void __kmpc_end_taskgroup( ident_t * loc, int gtid );
3340 
3341 KMP_EXPORT kmp_int32 __kmpc_omp_task_with_deps ( ident_t *loc_ref, kmp_int32 gtid, kmp_task_t * new_task,
3342  kmp_int32 ndeps, kmp_depend_info_t *dep_list,
3343  kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list );
3344 KMP_EXPORT void __kmpc_omp_wait_deps ( ident_t *loc_ref, kmp_int32 gtid, kmp_int32 ndeps, kmp_depend_info_t *dep_list,
3345  kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list );
3346 extern void __kmp_release_deps ( kmp_int32 gtid, kmp_taskdata_t *task );
3347 
3348 extern kmp_int32 __kmp_omp_task( kmp_int32 gtid, kmp_task_t * new_task, bool serialize_immediate );
3349 
3350 KMP_EXPORT kmp_int32 __kmpc_cancel(ident_t* loc_ref, kmp_int32 gtid, kmp_int32 cncl_kind);
3351 KMP_EXPORT kmp_int32 __kmpc_cancellationpoint(ident_t* loc_ref, kmp_int32 gtid, kmp_int32 cncl_kind);
3352 KMP_EXPORT kmp_int32 __kmpc_cancel_barrier(ident_t* loc_ref, kmp_int32 gtid);
3353 KMP_EXPORT int __kmp_get_cancellation_status(int cancel_kind);
3354 
3355 #if OMP_41_ENABLED
3356 
3357 KMP_EXPORT void __kmpc_proxy_task_completed( kmp_int32 gtid, kmp_task_t *ptask );
3358 KMP_EXPORT void __kmpc_proxy_task_completed_ooo ( kmp_task_t *ptask );
3359 
3360 #endif
3361 
3362 #endif
3363 
3364 
3365 /*
3366  * Lock interface routines (fast versions with gtid passed in)
3367  */
3368 KMP_EXPORT void __kmpc_init_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3369 KMP_EXPORT void __kmpc_init_nest_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3370 KMP_EXPORT void __kmpc_destroy_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3371 KMP_EXPORT void __kmpc_destroy_nest_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3372 KMP_EXPORT void __kmpc_set_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3373 KMP_EXPORT void __kmpc_set_nest_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3374 KMP_EXPORT void __kmpc_unset_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3375 KMP_EXPORT void __kmpc_unset_nest_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3376 KMP_EXPORT int __kmpc_test_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3377 KMP_EXPORT int __kmpc_test_nest_lock( ident_t *loc, kmp_int32 gtid, void **user_lock );
3378 
3379 /* ------------------------------------------------------------------------ */
3380 
3381 /*
3382  * Interface to fast scalable reduce methods routines
3383  */
3384 
3385 KMP_EXPORT kmp_int32 __kmpc_reduce_nowait( ident_t *loc, kmp_int32 global_tid,
3386  kmp_int32 num_vars, size_t reduce_size,
3387  void *reduce_data, void (*reduce_func)(void *lhs_data, void *rhs_data),
3388  kmp_critical_name *lck );
3389 KMP_EXPORT void __kmpc_end_reduce_nowait( ident_t *loc, kmp_int32 global_tid, kmp_critical_name *lck );
3390 KMP_EXPORT kmp_int32 __kmpc_reduce( ident_t *loc, kmp_int32 global_tid,
3391  kmp_int32 num_vars, size_t reduce_size,
3392  void *reduce_data, void (*reduce_func)(void *lhs_data, void *rhs_data),
3393  kmp_critical_name *lck );
3394 KMP_EXPORT void __kmpc_end_reduce( ident_t *loc, kmp_int32 global_tid, kmp_critical_name *lck );
3395 
3396 /*
3397  * internal fast reduction routines
3398  */
3399 
3400 extern PACKED_REDUCTION_METHOD_T
3401 __kmp_determine_reduction_method( ident_t *loc, kmp_int32 global_tid,
3402  kmp_int32 num_vars, size_t reduce_size,
3403  void *reduce_data, void (*reduce_func)(void *lhs_data, void *rhs_data),
3404  kmp_critical_name *lck );
3405 
3406 // this function is for testing set/get/determine reduce method
3407 KMP_EXPORT kmp_int32 __kmp_get_reduce_method( void );
3408 
3409 KMP_EXPORT kmp_uint64 __kmpc_get_taskid();
3410 KMP_EXPORT kmp_uint64 __kmpc_get_parent_taskid();
3411 
3412 // this function exported for testing of KMP_PLACE_THREADS functionality
3413 KMP_EXPORT void __kmpc_place_threads(int,int,int,int,int);
3414 
3415 /* ------------------------------------------------------------------------ */
3416 /* ------------------------------------------------------------------------ */
3417 
3418 // C++ port
3419 // missing 'extern "C"' declarations
3420 
3421 KMP_EXPORT kmp_int32 __kmpc_in_parallel( ident_t *loc );
3422 KMP_EXPORT void __kmpc_pop_num_threads( ident_t *loc, kmp_int32 global_tid );
3423 KMP_EXPORT void __kmpc_push_num_threads( ident_t *loc, kmp_int32 global_tid, kmp_int32 num_threads );
3424 
3425 #if OMP_40_ENABLED
3426 KMP_EXPORT void __kmpc_push_proc_bind( ident_t *loc, kmp_int32 global_tid, int proc_bind );
3427 KMP_EXPORT void __kmpc_push_num_teams( ident_t *loc, kmp_int32 global_tid, kmp_int32 num_teams, kmp_int32 num_threads );
3428 KMP_EXPORT void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc, kmpc_micro microtask, ...);
3429 
3430 #endif
3431 
3432 KMP_EXPORT void*
3433 __kmpc_threadprivate_cached( ident_t * loc, kmp_int32 global_tid,
3434  void * data, size_t size, void *** cache );
3435 
3436 // Symbols for MS mutual detection.
3437 extern int _You_must_link_with_exactly_one_OpenMP_library;
3438 extern int _You_must_link_with_Intel_OpenMP_library;
3439 #if KMP_OS_WINDOWS && ( KMP_VERSION_MAJOR > 4 )
3440  extern int _You_must_link_with_Microsoft_OpenMP_library;
3441 #endif
3442 
3443 
3444 // The routines below are not exported.
3445 // Consider making them 'static' in corresponding source files.
3446 void
3447 kmp_threadprivate_insert_private_data( int gtid, void *pc_addr, void *data_addr, size_t pc_size );
3448 struct private_common *
3449 kmp_threadprivate_insert( int gtid, void *pc_addr, void *data_addr, size_t pc_size );
3450 
3451 //
3452 // ompc_, kmpc_ entries moved from omp.h.
3453 //
3454 #if KMP_OS_WINDOWS
3455 # define KMPC_CONVENTION __cdecl
3456 #else
3457 # define KMPC_CONVENTION
3458 #endif
3459 
3460 #ifndef __OMP_H
3461 typedef enum omp_sched_t {
3462  omp_sched_static = 1,
3463  omp_sched_dynamic = 2,
3464  omp_sched_guided = 3,
3465  omp_sched_auto = 4
3466 } omp_sched_t;
3467 typedef void * kmp_affinity_mask_t;
3468 #endif
3469 
3470 KMP_EXPORT void KMPC_CONVENTION ompc_set_max_active_levels(int);
3471 KMP_EXPORT void KMPC_CONVENTION ompc_set_schedule(omp_sched_t, int);
3472 KMP_EXPORT int KMPC_CONVENTION ompc_get_ancestor_thread_num(int);
3473 KMP_EXPORT int KMPC_CONVENTION ompc_get_team_size(int);
3474 KMP_EXPORT int KMPC_CONVENTION kmpc_set_affinity_mask_proc(int, kmp_affinity_mask_t *);
3475 KMP_EXPORT int KMPC_CONVENTION kmpc_unset_affinity_mask_proc(int, kmp_affinity_mask_t *);
3476 KMP_EXPORT int KMPC_CONVENTION kmpc_get_affinity_mask_proc(int, kmp_affinity_mask_t *);
3477 
3478 KMP_EXPORT void KMPC_CONVENTION kmpc_set_stacksize(int);
3479 KMP_EXPORT void KMPC_CONVENTION kmpc_set_stacksize_s(size_t);
3480 KMP_EXPORT void KMPC_CONVENTION kmpc_set_library(int);
3481 KMP_EXPORT void KMPC_CONVENTION kmpc_set_defaults(char const *);
3482 
3483 #ifdef __cplusplus
3484 }
3485 #endif
3486 
3487 #endif /* KMP_H */
3488 
KMP_EXPORT kmp_int32 __kmpc_master(ident_t *, kmp_int32 global_tid)
Definition: kmp_csupport.c:709
KMP_EXPORT kmp_int32 __kmpc_barrier_master(ident_t *, kmp_int32 global_tid)
kmp_int32 reserved_2
Definition: kmp.h:221
void __kmpc_dispatch_fini_4(ident_t *loc, kmp_int32 gtid)
KMP_EXPORT void __kmpc_end_single(ident_t *, kmp_int32 global_tid)
void __kmpc_dispatch_init_4(ident_t *loc, kmp_int32 gtid, enum sched_type schedule, kmp_int32 lb, kmp_int32 ub, kmp_int32 st, kmp_int32 chunk)
void(* kmpc_micro)(kmp_int32 *global_tid, kmp_int32 *bound_tid,...)
Definition: kmp.h:1307
KMP_EXPORT kmp_int32 __kmpc_reduce(ident_t *loc, kmp_int32 global_tid, kmp_int32 num_vars, size_t reduce_size, void *reduce_data, void(*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name *lck)
KMP_EXPORT kmp_int32 __kmpc_global_thread_num(ident_t *)
Definition: kmp_csupport.c:117
int __kmpc_dispatch_next_4u(ident_t *loc, kmp_int32 gtid, kmp_int32 *p_last, kmp_uint32 *p_lb, kmp_uint32 *p_ub, kmp_int32 *p_st)
KMP_EXPORT void __kmpc_for_static_fini(ident_t *loc, kmp_int32 global_tid)
void *(* kmpc_ctor_vec)(void *, size_t)
Definition: kmp.h:1344
KMP_EXPORT void __kmpc_omp_wait_deps(ident_t *loc_ref, kmp_int32 gtid, kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list)
kmp_int32 reserved_1
Definition: kmp.h:219
KMP_EXPORT void * __kmpc_threadprivate_cached(ident_t *loc, kmp_int32 global_tid, void *data, size_t size, void ***cache)
kmp_int32 reserved_3
Definition: kmp.h:226
KMP_EXPORT void __kmpc_flush(ident_t *)
Definition: kmp_csupport.c:606
void __kmpc_dispatch_init_8u(ident_t *loc, kmp_int32 gtid, enum sched_type schedule, kmp_uint64 lb, kmp_uint64 ub, kmp_int64 st, kmp_int64 chunk)
KMP_EXPORT kmp_int32 __kmpc_single(ident_t *, kmp_int32 global_tid)
int __kmpc_dispatch_next_4(ident_t *loc, kmp_int32 gtid, kmp_int32 *p_last, kmp_int32 *p_lb, kmp_int32 *p_ub, kmp_int32 *p_st)
KMP_EXPORT void __kmpc_end(ident_t *)
Definition: kmp_csupport.c:83
KMP_EXPORT void __kmpc_end_ordered(ident_t *, kmp_int32 global_tid)
Definition: kmp_csupport.c:863
void *(* kmpc_cctor_vec)(void *, void *, size_t)
Definition: kmp.h:1356
KMP_EXPORT void __kmpc_end_serialized_parallel(ident_t *, kmp_int32 global_tid)
Definition: kmp_csupport.c:464
KMP_EXPORT void __kmpc_threadprivate_register(ident_t *, void *data, kmpc_ctor ctor, kmpc_cctor cctor, kmpc_dtor dtor)
KMP_EXPORT kmp_int32 __kmpc_omp_task_with_deps(ident_t *loc_ref, kmp_int32 gtid, kmp_task_t *new_task, kmp_int32 ndeps, kmp_depend_info_t *dep_list, kmp_int32 ndeps_noalias, kmp_depend_info_t *noalias_dep_list)
KMP_EXPORT void __kmpc_begin(ident_t *, kmp_int32 flags)
Definition: kmp_csupport.c:65
KMP_EXPORT kmp_int32 __kmpc_bound_thread_num(ident_t *)
Definition: kmp_csupport.c:154
KMP_EXPORT kmp_int32 __kmpc_reduce_nowait(ident_t *loc, kmp_int32 global_tid, kmp_int32 num_vars, size_t reduce_size, void *reduce_data, void(*reduce_func)(void *lhs_data, void *rhs_data), kmp_critical_name *lck)
int __kmpc_dispatch_next_8(ident_t *loc, kmp_int32 gtid, kmp_int32 *p_last, kmp_int64 *p_lb, kmp_int64 *p_ub, kmp_int64 *p_st)
KMP_EXPORT void __kmpc_copyprivate(ident_t *loc, kmp_int32 global_tid, size_t cpy_size, void *cpy_data, void(*cpy_func)(void *, void *), kmp_int32 didit)
KMP_EXPORT void __kmpc_ordered(ident_t *, kmp_int32 global_tid)
Definition: kmp_csupport.c:797
void(* kmpc_dtor)(void *)
Definition: kmp.h:1329
KMP_EXPORT void __kmpc_critical(ident_t *, kmp_int32 global_tid, kmp_critical_name *)
void *(* kmpc_cctor)(void *, void *)
Definition: kmp.h:1334
Definition: kmp.h:218
KMP_EXPORT void __kmpc_end_barrier_master(ident_t *, kmp_int32 global_tid)
KMP_EXPORT void __kmpc_end_master(ident_t *, kmp_int32 global_tid)
Definition: kmp_csupport.c:762
KMP_EXPORT void __kmpc_push_num_threads(ident_t *loc, kmp_int32 global_tid, kmp_int32 num_threads)
Definition: kmp_csupport.c:259
KMP_EXPORT void __kmpc_fork_teams(ident_t *loc, kmp_int32 argc, kmpc_micro microtask,...)
Definition: kmp_csupport.c:383
void *(* kmpc_ctor)(void *)
Definition: kmp.h:1323
KMP_EXPORT kmp_int32 __kmpc_in_parallel(ident_t *loc)
Definition: kmp_csupport.c:244
KMP_EXPORT kmp_int32 __kmpc_ok_to_fork(ident_t *)
Definition: kmp_csupport.c:180
KMP_EXPORT kmp_int32 __kmpc_global_num_threads(ident_t *)
Definition: kmp_csupport.c:140
void __kmpc_dispatch_fini_8u(ident_t *loc, kmp_int32 gtid)
KMP_EXPORT kmp_int32 __kmpc_bound_num_threads(ident_t *)
Definition: kmp_csupport.c:166
KMP_EXPORT void __kmpc_end_reduce(ident_t *loc, kmp_int32 global_tid, kmp_critical_name *lck)
void __kmpc_dispatch_fini_4u(ident_t *loc, kmp_int32 gtid)
KMP_EXPORT void __kmpc_barrier(ident_t *, kmp_int32 global_tid)
Definition: kmp_csupport.c:672
KMP_EXPORT void __kmpc_end_reduce_nowait(ident_t *loc, kmp_int32 global_tid, kmp_critical_name *lck)
KMP_EXPORT void __kmpc_end_critical(ident_t *, kmp_int32 global_tid, kmp_critical_name *)
KMP_EXPORT void __kmpc_push_num_teams(ident_t *loc, kmp_int32 global_tid, kmp_int32 num_teams, kmp_int32 num_threads)
Definition: kmp_csupport.c:365
void __kmpc_dispatch_fini_8(ident_t *loc, kmp_int32 gtid)
void __kmpc_dispatch_init_4u(ident_t *loc, kmp_int32 gtid, enum sched_type schedule, kmp_uint32 lb, kmp_uint32 ub, kmp_int32 st, kmp_int32 chunk)
KMP_EXPORT kmp_int32 __kmpc_barrier_master_nowait(ident_t *, kmp_int32 global_tid)
int __kmpc_dispatch_next_8u(ident_t *loc, kmp_int32 gtid, kmp_int32 *p_last, kmp_uint64 *p_lb, kmp_uint64 *p_ub, kmp_int64 *p_st)
KMP_EXPORT void __kmpc_serialized_parallel(ident_t *, kmp_int32 global_tid)
Definition: kmp_csupport.c:449
KMP_EXPORT void __kmpc_fork_call(ident_t *, kmp_int32 nargs, kmpc_micro microtask,...)
Definition: kmp_csupport.c:300
void(* kmpc_dtor_vec)(void *, size_t)
Definition: kmp.h:1350
KMP_EXPORT void __kmpc_threadprivate_register_vec(ident_t *, void *data, kmpc_ctor_vec ctor, kmpc_cctor_vec cctor, kmpc_dtor_vec dtor, size_t vector_length)
sched_type
Definition: kmp.h:320
char const * psource
Definition: kmp.h:227
void __kmpc_dispatch_init_8(ident_t *loc, kmp_int32 gtid, enum sched_type schedule, kmp_int64 lb, kmp_int64 ub, kmp_int64 st, kmp_int64 chunk)
kmp_int32 flags
Definition: kmp.h:220
struct ident ident_t