Arcane  v3.14.10.0
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MpiAdapter.cc
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2024 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* MpiAdapter.cc (C) 2000-2024 */
9/* */
10/* Gestionnaire de parallélisme utilisant MPI. */
11/*---------------------------------------------------------------------------*/
12/*---------------------------------------------------------------------------*/
13
14#include "arccore/message_passing_mpi/MpiAdapter.h"
15
16#include "arccore/trace/ITraceMng.h"
17
18#include "arccore/collections/Array.h"
19
20#include "arccore/message_passing/Request.h"
21#include "arccore/message_passing/IStat.h"
22#include "arccore/message_passing/internal/SubRequestCompletionInfo.h"
23
24#include "arccore/base/IStackTraceService.h"
25#include "arccore/base/TimeoutException.h"
26#include "arccore/base/String.h"
27#include "arccore/base/NotImplementedException.h"
28#include "arccore/base/PlatformUtils.h"
29#include "arccore/base/FatalErrorException.h"
30#include "arccore/base/TraceInfo.h"
31
32#include "arccore/message_passing_mpi/MpiLock.h"
33#include "arccore/message_passing_mpi/NoMpiProfiling.h"
34#include "arccore/message_passing_mpi/MpiRequest.h"
35#include "arccore/message_passing_mpi/StandaloneMpiMessagePassingMng.h"
36
37#include <cstdint>
38
39/*---------------------------------------------------------------------------*/
40/*---------------------------------------------------------------------------*/
41
42namespace Arccore::MessagePassing::Mpi
43{
44
45class MpiAdapter::RequestSet
46: public TraceAccessor
47{
48 public:
49 struct RequestInfo
50 {
51 TraceInfo m_trace;
52 String m_stack_trace;
53 };
54 public:
55 typedef std::map<MPI_Request,RequestInfo>::iterator Iterator;
56 public:
57 RequestSet(ITraceMng* tm) : TraceAccessor(tm)
58 {
59 m_trace_mng_ref = makeRef(tm);
60 if (arccoreIsCheck()){
61 m_no_check_request = false;
62 m_request_error_is_fatal = true;
63 }
64 if (Platform::getEnvironmentVariable("ARCCORE_NOREPORT_ERROR_MPIREQUEST")=="TRUE")
65 m_is_report_error_in_request = false;
66 if (Platform::getEnvironmentVariable("ARCCORE_MPIREQUEST_STACKTRACE")=="TRUE")
67 m_use_trace_full_stack = true;
68 if (Platform::getEnvironmentVariable("ARCCORE_TRACE_MPIREQUEST")=="TRUE")
69 m_trace_mpirequest = true;
70 }
71 public:
72 void addRequest(MPI_Request request)
73 {
74 if (m_no_check_request)
75 return;
76 if (m_trace_mpirequest)
77 info() << "MpiAdapter: AddRequest r=" << request;
78 _addRequest(request,TraceInfo());
79 }
80 void addRequest(MPI_Request request,const TraceInfo& ti)
81 {
82 if (m_no_check_request)
83 return;
84 if (m_trace_mpirequest)
85 info() << "MpiAdapter: AddRequest r=" << request;
86 _addRequest(request,ti);
87 }
88 void removeRequest(MPI_Request request)
89 {
90 if (m_no_check_request)
91 return;
92 if (m_trace_mpirequest)
93 info() << "MpiAdapter: RemoveRequest r=" << request;
94 _removeRequest(request);
95 }
96 void removeRequest(Iterator request_iter)
97 {
98 if (m_no_check_request)
99 return;
100 if (request_iter==m_allocated_requests.end()){
101 if (m_trace_mpirequest)
102 info() << "MpiAdapter: RemoveRequestIter null iterator";
103 return;
104 }
105 if (m_trace_mpirequest)
106 info() << "MpiAdapter: RemoveRequestIter r=" << request_iter->first;
107 m_allocated_requests.erase(request_iter);
108 }
110 Iterator findRequest(MPI_Request request)
111 {
112 if (m_no_check_request)
113 return m_allocated_requests.end();
114
115 if (_isEmptyRequest(request))
116 return m_allocated_requests.end();
117 auto ireq = m_allocated_requests.find(request);
118 if (ireq==m_allocated_requests.end()){
119 if (m_is_report_error_in_request || m_request_error_is_fatal){
120 error() << "MpiAdapter::testRequest() request not referenced "
121 << " id=" << request;
122 _checkFatalInRequest();
123 }
124 }
125 return ireq;
126 }
127 private:
131 void _addRequest(MPI_Request request,const TraceInfo& trace_info)
132 {
133 if (request==MPI_REQUEST_NULL){
134 if (m_is_report_error_in_request || m_request_error_is_fatal){
135 error() << "MpiAdapter::_addRequest() trying to add null request";
136 _checkFatalInRequest();
137 }
138 return;
139 }
140 if (_isEmptyRequest(request))
141 return;
142 ++m_total_added_request;
143 //info() << "MPI_ADAPTER:ADD REQUEST " << request;
144 auto i = m_allocated_requests.find(request);
145 if (i!=m_allocated_requests.end()){
146 if (m_is_report_error_in_request || m_request_error_is_fatal){
147 error() << "MpiAdapter::_addRequest() request already referenced "
148 << " id=" << request;
149 _checkFatalInRequest();
150 }
151 return;
152 }
153 RequestInfo rinfo;
154 rinfo.m_trace = trace_info;
155 if (m_use_trace_full_stack)
156 rinfo.m_stack_trace = Platform::getStackTrace();
157 m_allocated_requests.insert(std::make_pair(request,rinfo));
158 }
159
163 void _removeRequest(MPI_Request request)
164 {
165 //info() << "MPI_ADAPTER:REMOVE REQUEST " << request;
166 if (request==MPI_REQUEST_NULL){
167 if (m_is_report_error_in_request || m_request_error_is_fatal){
168 error() << "MpiAdapter::_removeRequest() null request (" << MPI_REQUEST_NULL << ")";
169 _checkFatalInRequest();
170 }
171 return;
172 }
173 if (_isEmptyRequest(request))
174 return;
175 auto i = m_allocated_requests.find(request);
176 if (i==m_allocated_requests.end()){
177 if (m_is_report_error_in_request || m_request_error_is_fatal){
178 error() << "MpiAdapter::_removeRequest() request not referenced "
179 << " id=" << request;
180 _checkFatalInRequest();
181 }
182 }
183 else
184 m_allocated_requests.erase(i);
185 }
186 public:
187 void _checkFatalInRequest()
188 {
189 if (m_request_error_is_fatal)
190 ARCCORE_FATAL("Error in requests management");
191 }
192 Int64 nbRequest() const { return m_allocated_requests.size(); }
193 Int64 totalAddedRequest() const { return m_total_added_request; }
194 void printRequests() const
195 {
196 info() << "PRINT REQUESTS\n";
197 for( auto& x : m_allocated_requests ){
198 info() << "Request id=" << x.first << " trace=" << x.second.m_trace
199 << " stack=" << x.second.m_stack_trace;
200 }
201 }
202 void setEmptyRequests(MPI_Request r1,MPI_Request r2)
203 {
204 m_empty_request1 = r1;
205 m_empty_request2 = r2;
206 }
207 public:
208 bool m_request_error_is_fatal = false;
209 bool m_is_report_error_in_request = true;
210 bool m_trace_mpirequest = false;
212 bool m_no_check_request = true;
213 private:
214 std::map<MPI_Request,RequestInfo> m_allocated_requests;
215 bool m_use_trace_full_stack = false;
216 MPI_Request m_empty_request1 = MPI_REQUEST_NULL;
217 MPI_Request m_empty_request2 = MPI_REQUEST_NULL;
218 Int64 m_total_added_request = 0;
219 Ref<ITraceMng> m_trace_mng_ref;
220 private:
221 bool _isEmptyRequest(MPI_Request r) const
222 {
223 return (r==m_empty_request1 || r==m_empty_request2);
224 }
225};
226
227#define ARCCORE_ADD_REQUEST(request)\
228 m_request_set->addRequest(request,A_FUNCINFO);
229
230/*---------------------------------------------------------------------------*/
231/*---------------------------------------------------------------------------*/
232
233namespace
234{
235int _checkSize(Int64 i64_size)
236{
237 if (i64_size>INT32_MAX)
238 ARCCORE_FATAL("Can not convert '{0}' to type integer",i64_size);
239 return (int)i64_size;
240}
241}
242
243/*---------------------------------------------------------------------------*/
244/*---------------------------------------------------------------------------*/
245
246MpiAdapter::
247MpiAdapter(ITraceMng* trace,IStat* stat,MPI_Comm comm,
248 MpiLock* mpi_lock, IMpiProfiling* mpi_op)
249: TraceAccessor(trace)
250, m_stat(stat)
251, m_mpi_lock(mpi_lock)
252, m_mpi_prof(mpi_op)
253, m_communicator(comm)
254, m_comm_rank(0)
255, m_comm_size(0)
256, m_empty_request1(MPI_REQUEST_NULL)
257, m_empty_request2(MPI_REQUEST_NULL)
258{
259 m_request_set = new RequestSet(trace);
260
261 if (Platform::getEnvironmentVariable("ARCCORE_TRACE_MPI")=="TRUE")
262 m_is_trace = true;
263 {
264 String s = Platform::getEnvironmentVariable("ARCCORE_ALLOW_NULL_RANK_FOR_MPI_ANY_SOURCE");
265 if (s == "1" || s == "TRUE")
266 m_is_allow_null_rank_for_any_source = true;
267 if (s == "0" || s == "FALSE")
268 m_is_allow_null_rank_for_any_source = false;
269 }
270
271 ::MPI_Comm_rank(m_communicator,&m_comm_rank);
272 ::MPI_Comm_size(m_communicator,&m_comm_size);
273
274 // Par defaut, on ne fait pas de profiling MPI, on utilisera la methode set idoine pour changer
275 if (!m_mpi_prof)
276 m_mpi_prof = new NoMpiProfiling();
277
289 MPI_Irecv(m_recv_buffer_for_empty_request, 1, MPI_CHAR, MPI_PROC_NULL,
290 50505, m_communicator, &m_empty_request1);
291
292 /*
293 * A partir de la version 4 de openmpi, il semble aussi que les send avec
294 * de petits buffers génèrent toujours la même requête. Il faut donc aussi
295 * la supprimer des requêtes à tester. On poste aussi le MPI_Recv correspondant
296 * pour éviter que le MPI_ISend puisse involontairement être utilisé dans un
297 * MPI_Recv de l'utilisateur (via par exemple un MPI_Recv(MPI_ANY_TAG).
298 */
299 m_send_buffer_for_empty_request2[0] = 0;
300 MPI_Isend(m_send_buffer_for_empty_request2, 1, MPI_CHAR, m_comm_rank,
301 50505, m_communicator, &m_empty_request2);
302
303 MPI_Recv(m_recv_buffer_for_empty_request2, 1, MPI_CHAR, m_comm_rank,
304 50505, m_communicator, MPI_STATUS_IGNORE);
305
306 m_request_set->setEmptyRequests(m_empty_request1,m_empty_request2);
307}
308
309/*---------------------------------------------------------------------------*/
310/*---------------------------------------------------------------------------*/
311
312MpiAdapter::
313~MpiAdapter()
314{
315 if (m_empty_request1 != MPI_REQUEST_NULL)
316 MPI_Request_free(&m_empty_request1);
317 if (m_empty_request2 != MPI_REQUEST_NULL)
318 MPI_Request_free(&m_empty_request2);
319
320 delete m_request_set;
321 delete m_mpi_prof;
322}
323
324/*---------------------------------------------------------------------------*/
325/*---------------------------------------------------------------------------*/
326
332
333/*---------------------------------------------------------------------------*/
334/*---------------------------------------------------------------------------*/
335
336void MpiAdapter::
337_checkHasNoRequests()
338{
339 Int64 nb_request = m_request_set->nbRequest();
340 // On ne peut pas faire ce test dans le destructeur car il peut
341 // potentiellement lancé une exception et cela ne doit pas être fait
342 // dans un destructeur.
343 if (nb_request!=0){
344 warning() << " Pending mpi requests size=" << nb_request;
345 m_request_set->printRequests();
346 _checkFatalInRequest();
347 }
348}
349
350/*---------------------------------------------------------------------------*/
351/*---------------------------------------------------------------------------*/
352
353void MpiAdapter::
354destroy()
355{
356 _checkHasNoRequests();
357 delete this;
358}
359
360/*---------------------------------------------------------------------------*/
361/*---------------------------------------------------------------------------*/
362
363void MpiAdapter::
364setRequestErrorAreFatal(bool v)
365{
366 m_request_set->m_request_error_is_fatal = v;
367}
368bool MpiAdapter::
369isRequestErrorAreFatal() const
370{
371 return m_request_set->m_request_error_is_fatal;
372}
373
374void MpiAdapter::
375setPrintRequestError(bool v)
376{
377 m_request_set->m_is_report_error_in_request = v;
378}
379bool MpiAdapter::
380isPrintRequestError() const
381{
382 return m_request_set->m_is_report_error_in_request;
383}
384
385void MpiAdapter::
386setCheckRequest(bool v)
387{
388 m_request_set->m_no_check_request = !v;
389}
390
391bool MpiAdapter::
392isCheckRequest() const
393{
394 return !m_request_set->m_no_check_request;
395}
396
397/*---------------------------------------------------------------------------*/
398/*---------------------------------------------------------------------------*/
399
400int MpiAdapter::
401toMPISize(Int64 count)
402{
403 return _checkSize(count);
404}
405
406/*---------------------------------------------------------------------------*/
407/*---------------------------------------------------------------------------*/
408
409void MpiAdapter::
410_trace(const char* function)
411{
412 if (m_is_trace) {
413 IStackTraceService* stack_service = Platform::getStackTraceService();
414 if (stack_service)
415 info() << "MPI_TRACE: " << function << "\n" << stack_service->stackTrace().toString();
416 else
417 info() << "MPI_TRACE: " << function;
418 }
419}
420
421/*---------------------------------------------------------------------------*/
422/*---------------------------------------------------------------------------*/
423
424void MpiAdapter::
425broadcast(void* buf,Int64 nb_elem,Int32 root,MPI_Datatype datatype)
426{
427 int _nb_elem = _checkSize(nb_elem);
428 _trace(MpiInfo(eMpiName::Bcast).name().localstr());
429 double begin_time = MPI_Wtime();
430 if (m_is_trace)
431 info() << "MPI_TRACE: MPI broadcast: before"
432 << " buf=" << buf
433 << " nb_elem=" << nb_elem
434 << " root=" << root
435 << " datatype=" << datatype;
436
437 m_mpi_prof->broadcast(buf, _nb_elem, datatype, root, m_communicator);
438 double end_time = MPI_Wtime();
439 double sr_time = (end_time-begin_time);
440 //TODO determiner la taille des messages
441 m_stat->add(MpiInfo(eMpiName::Bcast).name(),sr_time,0);
442}
443
444/*---------------------------------------------------------------------------*/
445/*---------------------------------------------------------------------------*/
446
447Request MpiAdapter::
448nonBlockingBroadcast(void* buf,Int64 nb_elem,Int32 root,MPI_Datatype datatype)
449{
450 MPI_Request mpi_request = MPI_REQUEST_NULL;
451 int ret = -1;
452 int _nb_elem = _checkSize(nb_elem);
453 _trace(" MPI_Bcast");
454 double begin_time = MPI_Wtime();
455 ret = MPI_Ibcast(buf,_nb_elem,datatype,root,m_communicator,&mpi_request);
456 double end_time = MPI_Wtime();
457 double sr_time = (end_time-begin_time);
458 //TODO determiner la taille des messages
459 m_stat->add("IBroadcast",sr_time,0);
460 ARCCORE_ADD_REQUEST(mpi_request);
461 return buildRequest(ret,mpi_request);
462}
463
464/*---------------------------------------------------------------------------*/
465/*---------------------------------------------------------------------------*/
466
467void MpiAdapter::
468gather(const void* send_buf,void* recv_buf,Int64 nb_elem,Int32 root,MPI_Datatype datatype)
469{
470 void* _sbuf = const_cast<void*>(send_buf);
471 int _nb_elem = _checkSize(nb_elem);
472 int _root = static_cast<int>(root);
473 _trace(MpiInfo(eMpiName::Gather).name().localstr());
474 double begin_time = MPI_Wtime();
475 m_mpi_prof->gather(_sbuf, _nb_elem, datatype, recv_buf, _nb_elem, datatype, _root, m_communicator);
476 double end_time = MPI_Wtime();
477 double sr_time = (end_time-begin_time);
478 //TODO determiner la taille des messages
479 m_stat->add(MpiInfo(eMpiName::Gather).name(),sr_time,0);
480}
481
482/*---------------------------------------------------------------------------*/
483/*---------------------------------------------------------------------------*/
484
485Request MpiAdapter::
486nonBlockingGather(const void* send_buf,void* recv_buf,
487 Int64 nb_elem,Int32 root,MPI_Datatype datatype)
488{
489 MPI_Request mpi_request = MPI_REQUEST_NULL;
490 int ret = -1;
491 void* _sbuf = const_cast<void*>(send_buf);
492 int _nb_elem = _checkSize(nb_elem);
493 int _root = static_cast<int>(root);
494 _trace("MPI_Igather");
495 double begin_time = MPI_Wtime();
496 ret = MPI_Igather(_sbuf,_nb_elem,datatype,recv_buf,_nb_elem,datatype,_root,
497 m_communicator,&mpi_request);
498 double end_time = MPI_Wtime();
499 double sr_time = (end_time-begin_time);
500 //TODO determiner la taille des messages
501 m_stat->add("IGather",sr_time,0);
502 ARCCORE_ADD_REQUEST(mpi_request);
503 return buildRequest(ret,mpi_request);
504}
505
506/*---------------------------------------------------------------------------*/
507/*---------------------------------------------------------------------------*/
508
509void MpiAdapter::
510allGather(const void* send_buf,void* recv_buf,
511 Int64 nb_elem,MPI_Datatype datatype)
512{
513 void* _sbuf = const_cast<void*>(send_buf);
514 int _nb_elem = _checkSize(nb_elem);
515 _trace(MpiInfo(eMpiName::Allgather).name().localstr());
516 double begin_time = MPI_Wtime();
517 m_mpi_prof->allGather(_sbuf, _nb_elem, datatype, recv_buf, _nb_elem, datatype, m_communicator);
518 double end_time = MPI_Wtime();
519 double sr_time = (end_time-begin_time);
520 //TODO determiner la taille des messages
521 m_stat->add(MpiInfo(eMpiName::Allgather).name(),sr_time,0);
522}
523
524/*---------------------------------------------------------------------------*/
525/*---------------------------------------------------------------------------*/
526
527Request MpiAdapter::
528nonBlockingAllGather(const void* send_buf,void* recv_buf,
529 Int64 nb_elem,MPI_Datatype datatype)
530{
531 MPI_Request mpi_request = MPI_REQUEST_NULL;
532 int ret = -1;
533 void* _sbuf = const_cast<void*>(send_buf);
534 int _nb_elem = _checkSize(nb_elem);
535 _trace("MPI_Iallgather");
536 double begin_time = MPI_Wtime();
537 ret = MPI_Iallgather(_sbuf,_nb_elem,datatype,recv_buf,_nb_elem,datatype,
538 m_communicator,&mpi_request);
539 double end_time = MPI_Wtime();
540 double sr_time = (end_time-begin_time);
541 //TODO determiner la taille des messages
542 m_stat->add("IAllGather",sr_time,0);
543 ARCCORE_ADD_REQUEST(mpi_request);
544 return buildRequest(ret,mpi_request);
545}
546
547/*---------------------------------------------------------------------------*/
548/*---------------------------------------------------------------------------*/
549
550void MpiAdapter::
551gatherVariable(const void* send_buf,void* recv_buf,const int* recv_counts,
552 const int* recv_indexes,Int64 nb_elem,Int32 root,MPI_Datatype datatype)
553{
554 void* _sbuf = const_cast<void*>(send_buf);
555 int _nb_elem = _checkSize(nb_elem);
556 int _root = static_cast<int>(root);
557 _trace(MpiInfo(eMpiName::Gatherv).name().localstr());
558 double begin_time = MPI_Wtime();
559 m_mpi_prof->gatherVariable(_sbuf, _nb_elem, datatype, recv_buf, recv_counts, recv_indexes, datatype, _root, m_communicator);
560 double end_time = MPI_Wtime();
561 double sr_time = (end_time-begin_time);
562 //TODO determiner la taille des messages
563 m_stat->add(MpiInfo(eMpiName::Gatherv).name().localstr(),sr_time,0);
564}
565
566/*---------------------------------------------------------------------------*/
567/*---------------------------------------------------------------------------*/
568
569void MpiAdapter::
570allGatherVariable(const void* send_buf,void* recv_buf,const int* recv_counts,
571 const int* recv_indexes,Int64 nb_elem,MPI_Datatype datatype)
572{
573 void* _sbuf = const_cast<void*>(send_buf);
574 int _nb_elem = _checkSize(nb_elem);
575 _trace(MpiInfo(eMpiName::Allgatherv).name().localstr());
576 //info() << " ALLGATHERV N=" << _nb_elem;
577 //for( int i=0; i<m_comm_size; ++i )
578 //info() << " ALLGATHERV I=" << i << " recv_count=" << recv_counts[i]
579 // << " recv_indexes=" << recv_indexes[i];
580 double begin_time = MPI_Wtime();
581 m_mpi_prof->allGatherVariable(_sbuf, _nb_elem, datatype, recv_buf, recv_counts, recv_indexes, datatype, m_communicator);
582 double end_time = MPI_Wtime();
583 double sr_time = (end_time-begin_time);
584 //TODO determiner la taille des messages
585 m_stat->add(MpiInfo(eMpiName::Allgatherv).name().localstr(),sr_time,0);
586}
587
588/*---------------------------------------------------------------------------*/
589/*---------------------------------------------------------------------------*/
590
591void MpiAdapter::
592scatterVariable(const void* send_buf,const int* send_count,const int* send_indexes,
593 void* recv_buf,Int64 nb_elem,Int32 root,MPI_Datatype datatype)
594{
595 void* _sbuf = const_cast<void*>(send_buf);
596 int* _send_count = const_cast<int*>(send_count);
597 int* _send_indexes = const_cast<int*>(send_indexes);
598 int _nb_elem = _checkSize(nb_elem);
599 _trace(MpiInfo(eMpiName::Scatterv).name().localstr());
600 double begin_time = MPI_Wtime();
601 m_mpi_prof->scatterVariable(_sbuf,
602 _send_count,
603 _send_indexes,
604 datatype,
605 recv_buf,
606 _nb_elem,
607 datatype,
608 root,
609 m_communicator);
610 double end_time = MPI_Wtime();
611 double sr_time = (end_time-begin_time);
612 //TODO determiner la taille des messages
613 m_stat->add(MpiInfo(eMpiName::Scatterv).name(),sr_time,0);
614}
615
616/*---------------------------------------------------------------------------*/
617/*---------------------------------------------------------------------------*/
618
619void MpiAdapter::
620allToAll(const void* send_buf,void* recv_buf,Integer count,MPI_Datatype datatype)
621{
622 void* _sbuf = const_cast<void*>(send_buf);
623 int icount = _checkSize(count);
624 _trace(MpiInfo(eMpiName::Alltoall).name().localstr());
625 double begin_time = MPI_Wtime();
626 m_mpi_prof->allToAll(_sbuf, icount, datatype, recv_buf, icount, datatype, m_communicator);
627 double end_time = MPI_Wtime();
628 double sr_time = (end_time-begin_time);
629 //TODO determiner la taille des messages
630 m_stat->add(MpiInfo(eMpiName::Alltoall).name().localstr(),sr_time,0);
631}
632
633/*---------------------------------------------------------------------------*/
634/*---------------------------------------------------------------------------*/
635
636Request MpiAdapter::
637nonBlockingAllToAll(const void* send_buf,void* recv_buf,Integer count,MPI_Datatype datatype)
638{
639 MPI_Request mpi_request = MPI_REQUEST_NULL;
640 int ret = -1;
641 void* _sbuf = const_cast<void*>(send_buf);
642 int icount = _checkSize(count);
643 _trace("MPI_IAlltoall");
644 double begin_time = MPI_Wtime();
645 ret = MPI_Ialltoall(_sbuf,icount,datatype,recv_buf,icount,datatype,m_communicator,&mpi_request);
646 double end_time = MPI_Wtime();
647 double sr_time = (end_time-begin_time);
648 //TODO determiner la taille des messages
649 m_stat->add("IAllToAll",sr_time,0);
650 ARCCORE_ADD_REQUEST(mpi_request);
651 return buildRequest(ret,mpi_request);
652}
653
654/*---------------------------------------------------------------------------*/
655/*---------------------------------------------------------------------------*/
656
657void MpiAdapter::
658allToAllVariable(const void* send_buf,const int* send_counts,
659 const int* send_indexes,void* recv_buf,const int* recv_counts,
660 const int* recv_indexes,MPI_Datatype datatype)
661{
662 void* _sbuf = const_cast<void*>(send_buf);
663 int* _send_counts = const_cast<int*>(send_counts);
664 int* _send_indexes = const_cast<int*>(send_indexes);
665 int* _recv_counts = const_cast<int*>(recv_counts);
666 int* _recv_indexes = const_cast<int*>(recv_indexes);
667
668 _trace(MpiInfo(eMpiName::Alltoallv).name().localstr());
669 double begin_time = MPI_Wtime();
670 m_mpi_prof->allToAllVariable(_sbuf, _send_counts, _send_indexes, datatype,
671 recv_buf, _recv_counts, _recv_indexes, datatype, m_communicator);
672 double end_time = MPI_Wtime();
673 double sr_time = (end_time-begin_time);
674 //TODO determiner la taille des messages
675 m_stat->add(MpiInfo(eMpiName::Alltoallv).name(),sr_time,0);
676}
677
678/*---------------------------------------------------------------------------*/
679/*---------------------------------------------------------------------------*/
680
681Request MpiAdapter::
682nonBlockingAllToAllVariable(const void* send_buf,const int* send_counts,
683 const int* send_indexes,void* recv_buf,const int* recv_counts,
684 const int* recv_indexes,MPI_Datatype datatype)
685{
686 MPI_Request mpi_request = MPI_REQUEST_NULL;
687 int ret = -1;
688 void* _sbuf = const_cast<void*>(send_buf);
689 int* _send_counts = const_cast<int*>(send_counts);
690 int* _send_indexes = const_cast<int*>(send_indexes);
691 int* _recv_counts = const_cast<int*>(recv_counts);
692 int* _recv_indexes = const_cast<int*>(recv_indexes);
693
694 _trace("MPI_Ialltoallv");
695 double begin_time = MPI_Wtime();
696 ret = MPI_Ialltoallv(_sbuf,_send_counts,_send_indexes,datatype,
697 recv_buf,_recv_counts,_recv_indexes,datatype,
698 m_communicator,&mpi_request);
699 double end_time = MPI_Wtime();
700 double sr_time = (end_time-begin_time);
701 //TODO determiner la taille des messages
702 m_stat->add("IAllToAll",sr_time,0);
703 ARCCORE_ADD_REQUEST(mpi_request);
704 return buildRequest(ret,mpi_request);
705}
706
707/*---------------------------------------------------------------------------*/
708/*---------------------------------------------------------------------------*/
709
710void MpiAdapter::
711barrier()
712{
713 // TODO: a priori on ne devrait pas avoir de requêtes en vol possible
714 // entre deux barrières pour éviter tout problème.
715 // _checkHasNoRequests();
716 // TODO ajouter trace correspondante pour le profiling.
717 MPI_Barrier(m_communicator);
718}
719
720/*---------------------------------------------------------------------------*/
721/*---------------------------------------------------------------------------*/
722
723Request MpiAdapter::
724nonBlockingBarrier()
725{
726 MPI_Request mpi_request = MPI_REQUEST_NULL;
727 int ret = -1;
728 ret = MPI_Ibarrier(m_communicator,&mpi_request);
729 ARCCORE_ADD_REQUEST(mpi_request);
730 return buildRequest(ret,mpi_request);
731}
732
733/*---------------------------------------------------------------------------*/
734/*---------------------------------------------------------------------------*/
735
736void MpiAdapter::
737allReduce(const void* send_buf,void* recv_buf,Int64 count,MPI_Datatype datatype,MPI_Op op)
738{
739 void* _sbuf = const_cast<void*>(send_buf);
740 int _n = _checkSize(count);
741 double begin_time = MPI_Wtime();
742 _trace(MpiInfo(eMpiName::Allreduce).name().localstr());
743 try{
744 ++m_nb_all_reduce;
745 m_mpi_prof->allReduce(_sbuf, recv_buf, _n, datatype, op, m_communicator);
746 }
747 catch(TimeoutException& ex)
748 {
749 std::ostringstream ostr;
750 ostr << "MPI_Allreduce"
751 << " send_buf=" << send_buf
752 << " recv_buf=" << recv_buf
753 << " n=" << count
754 << " datatype=" << datatype
755 << " op=" << op
756 << " NB=" << m_nb_all_reduce;
757 ex.setAdditionalInfo(ostr.str());
758 throw;
759 }
760 double end_time = MPI_Wtime();
761 m_stat->add(MpiInfo(eMpiName::Allreduce).name(),end_time-begin_time,count);
762}
763
764/*---------------------------------------------------------------------------*/
765/*---------------------------------------------------------------------------*/
766
767Request MpiAdapter::
768nonBlockingAllReduce(const void* send_buf,void* recv_buf,Int64 count,MPI_Datatype datatype,MPI_Op op)
769{
770 MPI_Request mpi_request = MPI_REQUEST_NULL;
771 int ret = -1;
772 void* _sbuf = const_cast<void*>(send_buf);
773 int _n = _checkSize(count);
774 double begin_time = MPI_Wtime();
775 _trace("MPI_IAllreduce");
776 ret = MPI_Iallreduce(_sbuf,recv_buf,_n,datatype,op,m_communicator,&mpi_request);
777 double end_time = MPI_Wtime();
778 m_stat->add("IReduce",end_time-begin_time,_n);
779 ARCCORE_ADD_REQUEST(mpi_request);
780 return buildRequest(ret,mpi_request);
781}
782
783/*---------------------------------------------------------------------------*/
784/*---------------------------------------------------------------------------*/
785
786void MpiAdapter::
787reduce(const void* send_buf,void* recv_buf,Int64 count,MPI_Datatype datatype,MPI_Op op,Integer root)
788{
789 void* _sbuf = const_cast<void*>(send_buf);
790 int _n = _checkSize(count);
791 int _root = static_cast<int>(root);
792 double begin_time = MPI_Wtime();
793 _trace(MpiInfo(eMpiName::Reduce).name().localstr());
794 try{
795 ++m_nb_reduce;
796 m_mpi_prof->reduce(_sbuf, recv_buf, _n, datatype, op, _root, m_communicator);
797 }
798 catch(TimeoutException& ex)
799 {
800 std::ostringstream ostr;
801 ostr << "MPI_reduce"
802 << " send_buf=" << send_buf
803 << " recv_buf=" << recv_buf
804 << " n=" << count
805 << " datatype=" << datatype
806 << " op=" << op
807 << " root=" << root
808 << " NB=" << m_nb_reduce;
809 ex.setAdditionalInfo(ostr.str());
810 throw;
811 }
812
813 double end_time = MPI_Wtime();
814 m_stat->add(MpiInfo(eMpiName::Reduce).name(),end_time-begin_time,0);
815}
816
817/*---------------------------------------------------------------------------*/
818/*---------------------------------------------------------------------------*/
819
820void MpiAdapter::
821scan(const void* send_buf,void* recv_buf,Int64 count,MPI_Datatype datatype,MPI_Op op)
822{
823 void* _sbuf = const_cast<void*>(send_buf);
824 int _n = _checkSize(count);
825 double begin_time = MPI_Wtime();
826 _trace(MpiInfo(eMpiName::Scan).name().localstr());
827 m_mpi_prof->scan(_sbuf, recv_buf, _n, datatype, op, m_communicator);
828 double end_time = MPI_Wtime();
829 m_stat->add(MpiInfo(eMpiName::Scan).name(),end_time-begin_time,count);
830}
831
832/*---------------------------------------------------------------------------*/
833/*---------------------------------------------------------------------------*/
834
835void MpiAdapter::
836directSendRecv(const void* send_buffer,Int64 send_buffer_size,
837 void* recv_buffer,Int64 recv_buffer_size,
838 Int32 proc,Int64 elem_size,MPI_Datatype data_type)
839{
840 void* v_send_buffer = const_cast<void*>(send_buffer);
841 MPI_Status mpi_status;
842 double begin_time = MPI_Wtime();
843 _trace(MpiInfo(eMpiName::Sendrecv).name().localstr());
844 int sbuf_size = _checkSize(send_buffer_size);
845 int rbuf_size = _checkSize(recv_buffer_size);
846 m_mpi_prof->sendRecv(v_send_buffer, sbuf_size, data_type, proc, 99,
847 recv_buffer, rbuf_size, data_type, proc, 99,
848 m_communicator, &mpi_status);
849 double end_time = MPI_Wtime();
850 Int64 send_size = send_buffer_size * elem_size;
851 Int64 recv_size = recv_buffer_size * elem_size;
852 double sr_time = (end_time-begin_time);
853
854 //debug(Trace::High) << "MPI SendRecv: send " << send_size << " recv "
855 // << recv_size << " time " << sr_time ;
856 m_stat->add(MpiInfo(eMpiName::Sendrecv).name(),sr_time,send_size+recv_size);
857}
858
859/*---------------------------------------------------------------------------*/
860/*---------------------------------------------------------------------------*/
861
862Request MpiAdapter::
863sendNonBlockingNoStat(const void* send_buffer,Int64 send_buffer_size,
864 Int32 dest_rank,MPI_Datatype data_type,int mpi_tag)
865{
866 void* v_send_buffer = const_cast<void*>(send_buffer);
867 MPI_Request mpi_request = MPI_REQUEST_NULL;
868 int sbuf_size = _checkSize(send_buffer_size);
869 int ret = 0;
870 m_mpi_prof->iSend(v_send_buffer, sbuf_size, data_type, dest_rank, mpi_tag, m_communicator, &mpi_request);
871 if (m_is_trace)
872 info() << " ISend ret=" << ret << " proc=" << dest_rank << " tag=" << mpi_tag << " request=" << mpi_request;
873 ARCCORE_ADD_REQUEST(mpi_request);
874 return buildRequest(ret,mpi_request);
875}
876
877/*---------------------------------------------------------------------------*/
878/*---------------------------------------------------------------------------*/
879
880Request MpiAdapter::
881directSend(const void* send_buffer,Int64 send_buffer_size,
882 Int32 proc,Int64 elem_size,MPI_Datatype data_type,
883 int mpi_tag,bool is_blocked
884 )
885{
886 void* v_send_buffer = const_cast<void*>(send_buffer);
887 MPI_Request mpi_request = MPI_REQUEST_NULL;
888
889 double begin_time = 0.0;
890 double end_time = 0.0;
891 Int64 send_size = send_buffer_size * elem_size;
892 int ret = 0;
893 if (m_is_trace)
894 info() << "MPI_TRACE: MPI Send: send before"
895 << " size=" << send_size
896 << " dest=" << proc
897 << " tag=" << mpi_tag
898 << " datatype=" << data_type
899 << " blocking " << is_blocked;
900 if (is_blocked){
901 // si m_mpi_lock n'est pas nul, il faut
902 // utiliser un MPI_ISend suivi d'une boucle
903 // active de MPI_Test pour eviter tout probleme
904 // de dead lock.
905 if (m_mpi_lock){
906 {
907 MpiLock::Section mls(m_mpi_lock);
908 begin_time = MPI_Wtime();
909 int sbuf_size = _checkSize(send_buffer_size);
910 m_mpi_prof->iSend(v_send_buffer, sbuf_size, data_type, proc, mpi_tag, m_communicator, &mpi_request);
911 }
912 int is_finished = 0;
913 MPI_Status mpi_status;
914 while (is_finished==0){
915 MpiLock::Section mls(m_mpi_lock);
916 MPI_Request_get_status(mpi_request,&is_finished,&mpi_status);
917 if (is_finished!=0){
918 m_mpi_prof->wait(&mpi_request, (MPI_Status *) MPI_STATUS_IGNORE);
919 end_time = MPI_Wtime();
920 mpi_request = MPI_REQUEST_NULL;
921 }
922 }
923 }
924 else{
925 MpiLock::Section mls(m_mpi_lock);
926 begin_time = MPI_Wtime();
927 int sbuf_size = _checkSize(send_buffer_size);
928 m_mpi_prof->send(v_send_buffer, sbuf_size, data_type, proc, mpi_tag, m_communicator);
929 end_time = MPI_Wtime();
930 }
931 }
932 else{
933 {
934 MpiLock::Section mls(m_mpi_lock);
935 begin_time = MPI_Wtime();
936 int sbuf_size = _checkSize(send_buffer_size);
937 m_mpi_prof->iSend(v_send_buffer, sbuf_size, data_type, proc, mpi_tag, m_communicator, &mpi_request);
938 if (m_is_trace)
939 info() << " ISend ret=" << ret << " proc=" << proc << " tag=" << mpi_tag << " request=" << mpi_request;
940 end_time = MPI_Wtime();
941 ARCCORE_ADD_REQUEST(mpi_request);
942 }
943 if (m_is_trace){
944 info() << "MPI Send: send after"
945 << " request=" << mpi_request;
946 }
947 }
948 double sr_time = (end_time-begin_time);
949
950 debug(Trace::High) << "MPI Send: send " << send_size
951 << " time " << sr_time << " blocking " << is_blocked;
952 // TODO(FL): regarder comment faire pour profiler le Isend
953 m_stat->add(MpiInfo(eMpiName::Send).name(),end_time-begin_time,send_size);
954 return buildRequest(ret,mpi_request);
955}
956
957/*---------------------------------------------------------------------------*/
958/*---------------------------------------------------------------------------*/
959
960Request MpiAdapter::
961directSendPack(const void* send_buffer,Int64 send_buffer_size,
962 Int32 proc,int mpi_tag,bool is_blocked)
963{
964 return directSend(send_buffer,send_buffer_size,proc,1,MPI_PACKED,mpi_tag,is_blocked);
965}
966
967/*---------------------------------------------------------------------------*/
968/*---------------------------------------------------------------------------*/
969
970MpiMessagePassingMng* MpiAdapter::
971commSplit(bool keep)
972{
973 MPI_Comm new_comm;
974
975 MPI_Comm_split(m_communicator, (keep) ? 1 : MPI_UNDEFINED, commRank(), &new_comm);
976 if (keep) {
977 // Failed if new_comm is MPI_COMM_NULL
978 return StandaloneMpiMessagePassingMng::create(new_comm, true);
979 }
980 return nullptr;
981}
982
983/*---------------------------------------------------------------------------*/
984/*---------------------------------------------------------------------------*/
985
997
998/*---------------------------------------------------------------------------*/
999/*---------------------------------------------------------------------------*/
1000
1001Request MpiAdapter::
1002directRecv(void* recv_buffer,Int64 recv_buffer_size,
1003 Int32 proc,Int64 elem_size,MPI_Datatype data_type,
1004 int mpi_tag,bool is_blocked)
1005{
1006 MPI_Status mpi_status;
1007 MPI_Request mpi_request = MPI_REQUEST_NULL;
1008 int ret = 0;
1009 double begin_time = 0.0;
1010 double end_time = 0.0;
1011
1012 int i_proc = 0;
1013 if (proc==A_PROC_NULL_RANK)
1014 ARCCORE_THROW(NotImplementedException,"Receive with MPI_PROC_NULL");
1015 if (proc == A_NULL_RANK && !m_is_allow_null_rank_for_any_source)
1016 ARCCORE_FATAL("Can not use A_NULL_RANK for any source. Use A_ANY_SOURCE_RANK instead");
1017 if (proc==A_NULL_RANK || proc==A_ANY_SOURCE_RANK)
1018 i_proc = MPI_ANY_SOURCE;
1019 else
1020 i_proc = static_cast<int>(proc);
1021
1022 Int64 recv_size = recv_buffer_size * elem_size;
1023 if (m_is_trace){
1024 info() << "MPI_TRACE: MPI Recv: recv before "
1025 << " size=" << recv_size
1026 << " from=" << i_proc
1027 << " tag=" << mpi_tag
1028 << " datatype=" << data_type
1029 << " blocking=" << is_blocked;
1030 }
1031 if (is_blocked){
1032 // si m_mpi_lock n'est pas nul, il faut
1033 // utiliser un MPI_IRecv suivi d'une boucle
1034 // active de MPI_Test pour eviter tout probleme
1035 // de dead lock.
1036 if (m_mpi_lock){
1037 {
1038 MpiLock::Section mls(m_mpi_lock);
1039 begin_time = MPI_Wtime();
1040 int rbuf_size = _checkSize(recv_buffer_size);
1041 m_mpi_prof->iRecv(recv_buffer, rbuf_size, data_type, i_proc, mpi_tag, m_communicator, &mpi_request);
1042 }
1043 int is_finished = 0;
1044 MPI_Status mpi_status;
1045 while (is_finished==0){
1046 MpiLock::Section mls(m_mpi_lock);
1047 MPI_Request_get_status(mpi_request,&is_finished,&mpi_status);
1048 if (is_finished!=0){
1049 end_time = MPI_Wtime();
1050 m_mpi_prof->wait(&mpi_request, (MPI_Status *) MPI_STATUS_IGNORE);
1051 mpi_request = MPI_REQUEST_NULL;
1052 }
1053 }
1054 }
1055 else{
1056 MpiLock::Section mls(m_mpi_lock);
1057 begin_time = MPI_Wtime();
1058 int rbuf_size = _checkSize(recv_buffer_size);
1059 m_mpi_prof->recv(recv_buffer, rbuf_size, data_type, i_proc, mpi_tag, m_communicator, &mpi_status);
1060 end_time = MPI_Wtime();
1061 }
1062 }
1063 else{
1064 {
1065 MpiLock::Section mls(m_mpi_lock);
1066 begin_time = MPI_Wtime();
1067 int rbuf_size = _checkSize(recv_buffer_size);
1068 m_mpi_prof->iRecv(recv_buffer, rbuf_size, data_type, i_proc, mpi_tag, m_communicator, &mpi_request);
1069 end_time = MPI_Wtime();
1070 ARCCORE_ADD_REQUEST(mpi_request);
1071 }
1072 if (m_is_trace){
1073 info() << "MPI Recv: recv after "
1074 << " request=" << mpi_request;
1075 }
1076 }
1077 double sr_time = (end_time-begin_time);
1078
1079 debug(Trace::High) << "MPI Recv: recv after " << recv_size
1080 << " time " << sr_time << " blocking " << is_blocked;
1081 m_stat->add(MpiInfo(eMpiName::Recv).name(),end_time-begin_time,recv_size);
1082 return buildRequest(ret,mpi_request);
1083}
1084
1085/*---------------------------------------------------------------------------*/
1086/*---------------------------------------------------------------------------*/
1087
1088void MpiAdapter::
1089probeRecvPack(UniqueArray<Byte>& recv_buffer,Int32 proc)
1090{
1091 double begin_time = MPI_Wtime();
1092 MPI_Status status;
1093 int recv_buffer_size = 0;
1094 _trace("MPI_Probe");
1095 m_mpi_prof->probe(proc, 101, m_communicator, &status);
1096 m_mpi_prof->getCount(&status, MPI_PACKED, &recv_buffer_size);
1097
1098 recv_buffer.resize(recv_buffer_size);
1099 m_mpi_prof->recv(recv_buffer.data(), recv_buffer_size, MPI_PACKED, proc, 101, m_communicator, &status);
1100
1101 double end_time = MPI_Wtime();
1102 Int64 recv_size = recv_buffer_size;
1103 double sr_time = (end_time-begin_time);
1104 debug(Trace::High) << "MPI probeRecvPack " << recv_size
1105 << " time " << sr_time;
1106 m_stat->add(MpiInfo(eMpiName::Recv).name(),end_time-begin_time,recv_size);
1107}
1108
1109/*---------------------------------------------------------------------------*/
1110/*---------------------------------------------------------------------------*/
1111
1112MessageSourceInfo MpiAdapter::
1113_buildSourceInfoFromStatus(const MPI_Status& mpi_status)
1114{
1115 // Récupère la taille en octet du message.
1116 MPI_Count message_size = 0;
1117 MPI_Get_elements_x(&mpi_status,MPI_BYTE,&message_size);
1118 MessageTag tag(mpi_status.MPI_TAG);
1119 MessageRank rank(mpi_status.MPI_SOURCE);
1120 return MessageSourceInfo(rank,tag,message_size);
1121}
1122
1123/*---------------------------------------------------------------------------*/
1124/*---------------------------------------------------------------------------*/
1125
1126MessageId MpiAdapter::
1127_probeMessage(MessageRank source,MessageTag tag,bool is_blocking)
1128{
1129 MPI_Status mpi_status;
1130 int has_message = 0;
1131 MPI_Message message;
1132 int ret = 0;
1133 int mpi_source = source.value();
1134 if (source.isProcNull())
1135 ARCCORE_THROW(NotImplementedException,"Probe with MPI_PROC_NULL");
1136 if (source.isNull() && !m_is_allow_null_rank_for_any_source)
1137 ARCCORE_FATAL("Can not use MPI_Mprobe with null rank. Use MessageRank::anySourceRank() instead");
1138 if (source.isNull() || source.isAnySource())
1139 mpi_source = MPI_ANY_SOURCE;
1140 int mpi_tag = tag.value();
1141 if (tag.isNull())
1142 mpi_tag = MPI_ANY_TAG;
1143 if (is_blocking){
1144 ret = MPI_Mprobe(mpi_source,mpi_tag,m_communicator,&message,&mpi_status);
1145 has_message = true;
1146 }
1147 else {
1148 ret = MPI_Improbe(mpi_source, mpi_tag, m_communicator, &has_message, &message, &mpi_status);
1149 }
1150 if (ret!=0)
1151 ARCCORE_FATAL("Error during call to MPI_Mprobe r={0}",ret);
1152 MessageId ret_message;
1153 if (has_message!=0){
1154 MessageSourceInfo si(_buildSourceInfoFromStatus(mpi_status));
1155 ret_message = MessageId(si,message);
1156 }
1157 return ret_message;
1158}
1159
1160/*---------------------------------------------------------------------------*/
1161/*---------------------------------------------------------------------------*/
1162
1163MessageId MpiAdapter::
1164probeMessage(PointToPointMessageInfo message)
1165{
1166 if (!message.isValid())
1167 return MessageId();
1168
1169 // Il faut avoir initialisé le message avec un couple (rang/tag).
1170 if (!message.isRankTag())
1171 ARCCORE_FATAL("Invalid message_info: message.isRankTag() is false");
1172
1173 return _probeMessage(message.destinationRank(),message.tag(),message.isBlocking());
1174}
1175
1176/*---------------------------------------------------------------------------*/
1177/*---------------------------------------------------------------------------*/
1178
1179MessageSourceInfo MpiAdapter::
1180_legacyProbeMessage(MessageRank source,MessageTag tag,bool is_blocking)
1181{
1182 MPI_Status mpi_status;
1183 int has_message = 0;
1184 int ret = 0;
1185 int mpi_source = source.value();
1186 if (source.isProcNull())
1187 ARCCORE_THROW(NotImplementedException,"Probe with MPI_PROC_NULL");
1188 if (source.isNull() && !m_is_allow_null_rank_for_any_source)
1189 ARCCORE_FATAL("Can not use MPI_Probe with null rank. Use MessageRank::anySourceRank() instead");
1190 if (source.isNull() || source.isAnySource())
1191 mpi_source = MPI_ANY_SOURCE;
1192 int mpi_tag = tag.value();
1193 if (tag.isNull())
1194 mpi_tag = MPI_ANY_TAG;
1195 if (is_blocking){
1196 ret = MPI_Probe(mpi_source,mpi_tag,m_communicator,&mpi_status);
1197 has_message = true;
1198 }
1199 else
1200 ret = MPI_Iprobe(mpi_source,mpi_tag,m_communicator,&has_message,&mpi_status);
1201 if (ret!=0)
1202 ARCCORE_FATAL("Error during call to MPI_Mprobe r={0}",ret);
1203 if (has_message!=0)
1204 return _buildSourceInfoFromStatus(mpi_status);
1205 return {};
1206}
1207
1208/*---------------------------------------------------------------------------*/
1209/*---------------------------------------------------------------------------*/
1210
1211MessageSourceInfo MpiAdapter::
1212legacyProbeMessage(PointToPointMessageInfo message)
1213{
1214 if (!message.isValid())
1215 return {};
1216
1217 // Il faut avoir initialisé le message avec un couple (rang/tag).
1218 if (!message.isRankTag())
1219 ARCCORE_FATAL("Invalid message_info: message.isRankTag() is false");
1220
1221 return _legacyProbeMessage(message.destinationRank(),message.tag(),message.isBlocking());
1222}
1223
1224/*---------------------------------------------------------------------------*/
1225/*---------------------------------------------------------------------------*/
1227Request MpiAdapter::
1228directRecv(void* recv_buffer,Int64 recv_buffer_size,
1229 MessageId message,Int64 elem_size,MPI_Datatype data_type,
1230 bool is_blocked)
1231{
1232 MPI_Status mpi_status;
1233 MPI_Request mpi_request = MPI_REQUEST_NULL;
1234 MPI_Message mpi_message = (MPI_Message)message;
1235 int ret = 0;
1236 double begin_time = 0.0;
1237 double end_time = 0.0;
1238
1239 Int64 recv_size = recv_buffer_size * elem_size;
1240 if (m_is_trace){
1241 info() << "MPI_TRACE: MPI Mrecv: recv before "
1242 << " size=" << recv_size
1243 << " from_msg=" << message
1244 << " datatype=" << data_type
1245 << " blocking=" << is_blocked;
1246 }
1247 if (is_blocked){
1248 // si m_mpi_lock n'est pas nul, il faut
1249 // utiliser un MPI_IRecv suivi d'une boucle
1250 // active de MPI_Test pour eviter tout probleme
1251 // de dead lock.
1252 if (m_mpi_lock){
1253 {
1254 MpiLock::Section mls(m_mpi_lock);
1255 begin_time = MPI_Wtime();
1256 int rbuf_size = _checkSize(recv_buffer_size);
1257 MPI_Imrecv(recv_buffer,rbuf_size,data_type,&mpi_message,&mpi_request);
1258 //m_mpi_prof->iRecv(recv_buffer, rbuf_size, data_type, i_proc, mpi_tag, m_communicator, &mpi_request);
1259 }
1260 int is_finished = 0;
1261 MPI_Status mpi_status;
1262 while (is_finished==0){
1263 MpiLock::Section mls(m_mpi_lock);
1264 MPI_Request_get_status(mpi_request,&is_finished,&mpi_status);
1265 if (is_finished!=0){
1266 end_time = MPI_Wtime();
1267 m_mpi_prof->wait(&mpi_request, (MPI_Status *) MPI_STATUS_IGNORE);
1268 mpi_request = MPI_REQUEST_NULL;
1269 }
1270 }
1271 }
1272 else{
1273 MpiLock::Section mls(m_mpi_lock);
1274 begin_time = MPI_Wtime();
1275 int rbuf_size = _checkSize(recv_buffer_size);
1276 MPI_Mrecv(recv_buffer,rbuf_size,data_type,&mpi_message,&mpi_status);
1277 //m_mpi_prof->recv(recv_buffer, rbuf_size, data_type, i_proc, mpi_tag, m_communicator, &mpi_status);
1278 end_time = MPI_Wtime();
1279 }
1280 }
1281 else{
1282 {
1283 MpiLock::Section mls(m_mpi_lock);
1284 begin_time = MPI_Wtime();
1285 int rbuf_size = _checkSize(recv_buffer_size);
1286 //m_mpi_prof->iRecv(recv_buffer, rbuf_size, data_type, i_proc, mpi_tag, m_communicator, &mpi_request);
1287 ret = MPI_Imrecv(recv_buffer,rbuf_size,data_type,&mpi_message,&mpi_request);
1288 //m_mpi_prof->iRecv(recv_buffer, rbuf_size, data_type, i_proc, mpi_tag, m_communicator, &mpi_request);
1289 end_time = MPI_Wtime();
1290 ARCCORE_ADD_REQUEST(mpi_request);
1291 }
1292 if (m_is_trace){
1293 info() << "MPI Recv: recv after "
1294 << " request=" << mpi_request;
1295 }
1296 }
1297 double sr_time = (end_time-begin_time);
1298
1299 debug(Trace::High) << "MPI Recv: recv after " << recv_size
1300 << " time " << sr_time << " blocking " << is_blocked;
1301 m_stat->add(MpiInfo(eMpiName::Recv).name(),end_time-begin_time,recv_size);
1302 return buildRequest(ret,mpi_request);
1303}
1304
1305/*---------------------------------------------------------------------------*/
1306/*---------------------------------------------------------------------------*/
1307
1308Request MpiAdapter::
1309directRecvPack(void* recv_buffer,Int64 recv_buffer_size,
1310 Int32 proc,int mpi_tag,bool is_blocking)
1311{
1312 return directRecv(recv_buffer,recv_buffer_size,proc,1,MPI_PACKED,mpi_tag,is_blocking);
1313}
1314
1315/*---------------------------------------------------------------------------*/
1316/*---------------------------------------------------------------------------*/
1317
1318// FIXME: Implement direct method with MPI_STATUS_IGNORE
1319void MpiAdapter::
1320waitAllRequests(ArrayView<Request> requests)
1321{
1322 UniqueArray<bool> indexes(requests.size());
1323 UniqueArray<MPI_Status> mpi_status(requests.size());
1324 while (_waitAllRequestsMPI(requests, indexes, mpi_status)){
1325 ; // Continue tant qu'il y a des requêtes.
1326 }
1327}
1328
1329/*---------------------------------------------------------------------------*/
1330/*---------------------------------------------------------------------------*/
1331
1332// FIXME: Implement direct method with MPI_STATUS_IGNORE
1333void MpiAdapter::
1334waitSomeRequests(ArrayView<Request> requests,
1335 ArrayView<bool> indexes,
1336 bool is_non_blocking)
1337{
1338 UniqueArray<MPI_Status> mpi_status(requests.size());
1339 waitSomeRequestsMPI(requests, indexes, mpi_status, is_non_blocking);
1340}
1341
1342/*---------------------------------------------------------------------------*/
1343/*---------------------------------------------------------------------------*/
1344
1345struct MpiAdapter::SubRequestInfo
1346{
1347 SubRequestInfo(Ref<ISubRequest> sr, Integer i, int source_rank, int source_tag)
1348 : sub_request(sr)
1349 , index(i)
1350 , mpi_source_rank(source_rank)
1351 , mpi_source_tag(source_tag)
1352 {}
1353
1354 Ref<ISubRequest> sub_request;
1355 Integer index = -1;
1356 int mpi_source_rank = MPI_PROC_NULL;
1357 int mpi_source_tag = 0;
1358};
1359
1360/*---------------------------------------------------------------------------*/
1361/*---------------------------------------------------------------------------*/
1362
1363bool MpiAdapter::
1364_handleEndRequests(ArrayView<Request> requests,ArrayView<bool> done_indexes,
1365 ArrayView<MPI_Status> status)
1366{
1367 UniqueArray<SubRequestInfo> new_requests;
1368 Integer size = requests.size();
1369 {
1370 MpiLock::Section mls(m_mpi_lock);
1371 for( Integer i=0; i<size; ++i ) {
1372 if (done_indexes[i]){
1373 // Attention à bien utiliser une référence sinon le reset ne
1374 // s'applique pas à la bonne variable
1375 Request& r = requests[i];
1376 // Note: la requête peut ne pas être valide (par exemple s'il s'agit)
1377 // d'une requête bloquante mais avoir tout de même une sous-requête.
1378 if (r.hasSubRequest()){
1379 if (m_is_trace)
1380 info() << "Done request with sub-request r=" << r << " mpi_r=" << r << " i=" << i
1381 << " source_rank=" << status[i].MPI_SOURCE
1382 << " source_tag=" << status[i].MPI_TAG;
1383 new_requests.add(SubRequestInfo(r.subRequest(), i, status[i].MPI_SOURCE, status[i].MPI_TAG));
1384 }
1385 if (r.isValid()){
1386 _removeRequest((MPI_Request)(r));
1387 r.reset();
1388 }
1389 }
1390 }
1391 }
1392
1393 // NOTE: les appels aux sous-requêtes peuvent générer d'autres requêtes.
1394 // Il faut faire attention à ne pas utiliser les sous-requêtes avec
1395 // le verrou actif.
1396 bool has_new_request = false;
1397 if (!new_requests.empty()){
1398 // Contient le status de la \a ième requête
1399 UniqueArray<MPI_Status> old_status(size);
1400 {
1401 Integer index = 0;
1402 for( Integer i=0; i<size; ++i ){
1403 if (done_indexes[i]){
1404 old_status[i] = status[index];
1405 ++index;
1406 }
1407 }
1408 }
1409 // S'il y a des nouvelles requêtes, il faut décaler les valeurs de 'status'
1410 for( SubRequestInfo& sri : new_requests ){
1411 Integer index = sri.index;
1412 if (m_is_trace)
1413 info() << "Before handle new request index=" << index
1414 << " sri.source_rank=" << sri.mpi_source_rank
1415 << " sri.source_tag=" << sri.mpi_source_tag;
1416 SubRequestCompletionInfo completion_info(MessageRank(old_status[index].MPI_SOURCE), MessageTag(old_status[index].MPI_TAG));
1417 Request r = sri.sub_request->executeOnCompletion(completion_info);
1418 if (m_is_trace)
1419 info() << "Handle new request index=" << index << " old_r=" << requests[index] << " new_r=" << r;
1420 // S'il y a une nouvelle requête, alors elle remplace
1421 // l'ancienne et donc il faut faire comme si
1422 // la requête d'origine n'est pas terminée.
1423 if (r.isValid()){
1424 has_new_request = true;
1425 requests[index] = r;
1426 done_indexes[index] = false;
1427 }
1428 }
1429 {
1430 Integer index = 0;
1431 for( Integer i=0; i<size; ++i ){
1432 if (done_indexes[i]){
1433 status[index] = old_status[i];
1434 ++index;
1435 }
1436 }
1437 }
1438
1439 }
1440 return has_new_request;
1441}
1442
1443/*---------------------------------------------------------------------------*/
1444/*---------------------------------------------------------------------------*/
1445
1446bool MpiAdapter::
1447_waitAllRequestsMPI(ArrayView<Request> requests,
1448 ArrayView<bool> indexes,
1449 ArrayView<MPI_Status> mpi_status)
1450{
1451 Integer size = requests.size();
1452 if (size==0)
1453 return false;
1454 //ATTENTION: Mpi modifie en retour de MPI_Waitall ce tableau
1455 UniqueArray<MPI_Request> mpi_request(size);
1456 for( Integer i=0; i<size; ++i ){
1457 mpi_request[i] = (MPI_Request)(requests[i]);
1458 }
1459 if (m_is_trace)
1460 info() << " MPI_waitall begin size=" << size;
1461 double diff_time = 0.0;
1462 if (m_mpi_lock){
1463 double begin_time = MPI_Wtime();
1464 for( Integer i=0; i<size; ++i ){
1465 MPI_Request request = (MPI_Request)(mpi_request[i]);
1466 int is_finished = 0;
1467 while (is_finished==0){
1468 MpiLock::Section mls(m_mpi_lock);
1469 m_mpi_prof->test(&request, &is_finished, (MPI_Status *) MPI_STATUS_IGNORE);
1470 }
1471 }
1472 double end_time = MPI_Wtime();
1473 diff_time = end_time - begin_time;
1474 }
1475 else{
1476 //TODO: transformer en boucle while et MPI_Testall si m_mpi_lock est non nul
1477 MpiLock::Section mls(m_mpi_lock);
1478 double begin_time = MPI_Wtime();
1479 m_mpi_prof->waitAll(size, mpi_request.data(), mpi_status.data());
1480 double end_time = MPI_Wtime();
1481 diff_time = end_time - begin_time;
1482 }
1483
1484 // Indique que chaque requête est traitée car on a fait un waitall.
1485 for( Integer i=0; i<size; ++i ){
1486 indexes[i] = true;
1487 }
1488
1489 bool has_new_request = _handleEndRequests(requests,indexes,mpi_status);
1490 if (m_is_trace)
1491 info() << " MPI_waitall end size=" << size;
1492 m_stat->add(MpiInfo(eMpiName::Waitall).name(),diff_time,size);
1493 return has_new_request;
1494}
1495
1496/*---------------------------------------------------------------------------*/
1497/*---------------------------------------------------------------------------*/
1498
1499void MpiAdapter::
1500waitSomeRequestsMPI(ArrayView<Request> requests,ArrayView<bool> indexes,
1501 ArrayView<MPI_Status> mpi_status,bool is_non_blocking)
1502{
1503 Integer size = requests.size();
1504 if (size==0)
1505 return;
1506 //TODO: utiliser des StackArray (quand ils seront disponibles...)
1507 UniqueArray<MPI_Request> mpi_request(size);
1508 UniqueArray<MPI_Request> saved_mpi_request(size);
1509 UniqueArray<int> completed_requests(size);
1510 int nb_completed_request = 0;
1511
1512 // Sauve la requete pour la desallouer dans m_allocated_requests,
1513 // car sa valeur ne sera plus valide après appel à MPI_Wait*
1514 for (Integer i = 0; i < size; ++i) {
1515 // Dans le cas où l'on appelle cette méthode plusieurs fois
1516 // avec le même tableau de requests, il se peut qu'il y ai des
1517 // requests invalides qui feront planter l'appel à MPI.
1518 if (!requests[i].isValid()) {
1519 saved_mpi_request[i] = MPI_REQUEST_NULL;
1520 }
1521 else {
1522 saved_mpi_request[i] = static_cast<MPI_Request>(requests[i]);
1523 }
1524 }
1525
1526 // N'affiche le debug que en mode bloquant ou si explicitement demandé pour
1527 // éviter trop de messages
1528 bool is_print_debug = m_is_trace || (!is_non_blocking);
1529 if (is_print_debug)
1530 debug() << "WaitRequestBegin is_non_blocking=" << is_non_blocking << " n=" << size;
1531
1532 double begin_time = MPI_Wtime();
1533
1534 try{
1535 if (is_non_blocking){
1536 _trace(MpiInfo(eMpiName::Testsome).name().localstr());
1537 {
1538 MpiLock::Section mls(m_mpi_lock);
1539 m_mpi_prof->testSome(size, saved_mpi_request.data(), &nb_completed_request,
1540 completed_requests.data(), mpi_status.data());
1541 }
1542 //If there is no active handle in the list, it returns outcount = MPI_UNDEFINED.
1543 if (nb_completed_request == MPI_UNDEFINED) // Si aucune requete n'etait valide.
1544 nb_completed_request = 0;
1545 if (is_print_debug)
1546 debug() << "WaitSomeRequestMPI: TestSome nb_completed=" << nb_completed_request;
1547 }
1548 else{
1549 _trace(MpiInfo(eMpiName::Waitsome).name().localstr());
1550 {
1551 // TODO: si le verrou existe, il faut faire une boucle de testSome() pour ne
1552 // pas bloquer.
1553 MpiLock::Section mls(m_mpi_lock);
1554 m_mpi_prof->waitSome(size, saved_mpi_request.data(), &nb_completed_request,
1555 completed_requests.data(), mpi_status.data());
1556 }
1557 // Il ne faut pas utiliser mpi_request[i] car il est modifié par Mpi
1558 // mpi_request[i] == MPI_REQUEST_NULL
1559 if (nb_completed_request == MPI_UNDEFINED) // Si aucune requete n'etait valide.
1560 nb_completed_request = 0;
1561 if (is_print_debug)
1562 debug() << "WaitSomeRequest nb_completed=" << nb_completed_request;
1563 }
1564 }
1565 catch(TimeoutException& ex)
1566 {
1567 std::ostringstream ostr;
1568 if (is_non_blocking)
1569 ostr << MpiInfo(eMpiName::Testsome).name();
1570 else
1571 ostr << MpiInfo(eMpiName::Waitsome).name();
1572 ostr << " size=" << size
1573 << " is_non_blocking=" << is_non_blocking;
1574 ex.setAdditionalInfo(ostr.str());
1575 throw;
1576 }
1577
1578 for( int z=0; z<nb_completed_request; ++z ){
1579 int index = completed_requests[z];
1580 if (is_print_debug)
1581 debug() << "Completed my_rank=" << m_comm_rank << " z=" << z
1582 << " index=" << index
1583 << " tag=" << mpi_status[z].MPI_TAG
1584 << " source=" << mpi_status[z].MPI_SOURCE;
1585
1586 indexes[index] = true;
1587 }
1588
1589 bool has_new_request = _handleEndRequests(requests,indexes,mpi_status);
1590 if (has_new_request){
1591 // Si on a de nouvelles requêtes, alors il est possible qu'aucune
1592 // requête n'aie aboutie. En cas de testSome, cela n'est pas grave.
1593 // En cas de waitSome, cela signifie qu'il faut attendre à nouveau.
1594 }
1595 double end_time = MPI_Wtime();
1596 m_stat->add(MpiInfo(eMpiName::Waitsome).name(),end_time-begin_time,size);
1597}
1598
1599/*---------------------------------------------------------------------------*/
1600/*---------------------------------------------------------------------------*/
1601
1602void MpiAdapter::
1603freeRequest(Request& request)
1604{
1605 if (!request.isValid()){
1606 warning() << "MpiAdapter::freeRequest() null request r=" << (MPI_Request)request;
1607 _checkFatalInRequest();
1608 return;
1609 }
1610 {
1611 MpiLock::Section mls(m_mpi_lock);
1612
1613 auto mr = (MPI_Request)request;
1614 _removeRequest(mr);
1615 MPI_Request_free(&mr);
1616 }
1617 request.reset();
1618}
1619
1620/*---------------------------------------------------------------------------*/
1621/*---------------------------------------------------------------------------*/
1622
1623bool MpiAdapter::
1624testRequest(Request& request)
1625{
1626 // Il est autorisé par MPI de faire un test avec une requête nulle.
1627 if (!request.isValid())
1628 return true;
1629
1630 auto mr = (MPI_Request)request;
1631 int is_finished = 0;
1632
1633 {
1634 MpiLock::Section mls(m_mpi_lock);
1635
1636 // Il faut d'abord recuperer l'emplacement de la requete car si elle
1637 // est finie, elle sera automatiquement libérée par MPI lors du test
1638 // et du coup on ne pourra plus la supprimer
1639 RequestSet::Iterator request_iter = m_request_set->findRequest(mr);
1640
1641 m_mpi_prof->test(&mr, &is_finished, (MPI_Status *) MPI_STATUS_IGNORE);
1642 //info() << "** TEST REQUEST r=" << mr << " is_finished=" << is_finished;
1643 if (is_finished!=0){
1644 m_request_set->removeRequest(request_iter);
1645 if (request.hasSubRequest())
1646 ARCCORE_THROW(NotImplementedException,"SubRequest support");
1647 request.reset();
1648 return true;
1649 }
1650 }
1651
1652 return false;
1653}
1654
1655/*---------------------------------------------------------------------------*/
1656/*---------------------------------------------------------------------------*/
1660void MpiAdapter::
1661_addRequest(MPI_Request request)
1662{
1663 m_request_set->addRequest(request);
1664}
1665
1666/*---------------------------------------------------------------------------*/
1667/*---------------------------------------------------------------------------*/
1671void MpiAdapter::
1672_removeRequest(MPI_Request request)
1673{
1674 m_request_set->removeRequest(request);
1675}
1676
1677/*---------------------------------------------------------------------------*/
1678/*---------------------------------------------------------------------------*/
1679
1680void MpiAdapter::
1681enableDebugRequest(bool enable_debug_request)
1682{
1683 m_stat->enable(enable_debug_request);
1684 //if (!m_enable_debug_request)
1685 //info() << "WARNING: Mpi adpater debug request is disabled (multi-threading)";
1686}
1687
1688/*---------------------------------------------------------------------------*/
1689/*---------------------------------------------------------------------------*/
1690
1691void MpiAdapter::
1692_checkFatalInRequest()
1693{
1694 if (isRequestErrorAreFatal())
1695 ARCCORE_FATAL("Error in requests management");
1696}
1697
1698/*---------------------------------------------------------------------------*/
1699/*---------------------------------------------------------------------------*/
1700
1701void MpiAdapter::
1702setMpiProfiling(IMpiProfiling* mpi_profiling)
1703{
1704 m_mpi_prof = mpi_profiling;
1705}
1706
1707/*---------------------------------------------------------------------------*/
1708/*---------------------------------------------------------------------------*/
1709
1710IMpiProfiling* MpiAdapter::
1711getMpiProfiling() const
1712{
1713 return m_mpi_prof;
1714}
1715
1716/*---------------------------------------------------------------------------*/
1717/*---------------------------------------------------------------------------*/
1718
1719void MpiAdapter::
1720setProfiler(IProfiler* profiler)
1721{
1722 if (!profiler){
1723 m_mpi_prof = nullptr;
1724 return;
1725 }
1726
1727 IMpiProfiling* p = dynamic_cast<IMpiProfiling*>(profiler);
1728 if (!p)
1729 ARCCORE_FATAL("Invalid profiler. Profiler has to implemented interface 'IMpiProfiling'");
1730 m_mpi_prof = p;
1731}
1732
1733/*---------------------------------------------------------------------------*/
1734/*---------------------------------------------------------------------------*/
1735
1736IProfiler* MpiAdapter::
1737profiler() const
1738{
1739 return m_mpi_prof;
1740}
1741
1742/*---------------------------------------------------------------------------*/
1743/*---------------------------------------------------------------------------*/
1744
1745} // End namespace Arccore::MessagePassing::Mpi
1746
1747/*---------------------------------------------------------------------------*/
1748/*---------------------------------------------------------------------------*/
Arcane::LimaWrapper
Lecteur des fichiers de maillage via la bibliothèque LIMA.
Definition Lima.cc:120
Arccore::ArrayView
Vue modifiable d'un tableau d'un type T.
Definition arccore/src/base/arccore/base/ArrayView.h:94
Arccore::ArrayView::size
constexpr Integer size() const noexcept
Retourne la taille du tableau.
Definition arccore/src/base/arccore/base/ArrayView.h:235
Arccore::IStackTraceService
Interface d'un service de trace des appels de fonctions.
Definition arccore/src/base/arccore/base/IStackTraceService.h:32
Arccore::IStackTraceService::stackTrace
virtual StackTrace stackTrace(int first_function=0)=0
Chaîne de caractère indiquant la pile d'appel.
Arccore::ITraceMng
Interface du gestionnaire de traces.
Definition arccore/src/trace/arccore/trace/ITraceMng.h:156
Arccore::MessagePassing::IStat::add
virtual void add(const String &name, double elapsed_time, Int64 msg_size)=0
Ajoute une statistique.
Arccore::MessagePassing::IStat::enable
virtual void enable(bool is_enabled)=0
Active ou désactive les statistiques.
Arccore::MessagePassing::Mpi::IMpiProfiling
Interface d'abstraction pour les operations MPI. Sert principalement a utiliser un decorateur pour le...
Definition IMpiProfiling.h:41
Arccore::MessagePassing::Mpi::MpiAdapter::RequestSet::m_no_check_request
bool m_no_check_request
Vrai si on vérifie pas les requêtes.
Definition MpiAdapter.cc:212
Arccore::MessagePassing::Mpi::MpiAdapter::RequestSet::findRequest
Iterator findRequest(MPI_Request request)
Vérifie que la requête est dans la liste.
Definition MpiAdapter.cc:110
Arccore::MessagePassing::Mpi::MpiAdapter::RequestSet::_addRequest
void _addRequest(MPI_Request request, const TraceInfo &trace_info)
Definition MpiAdapter.cc:131
Arccore::MessagePassing::Mpi::MpiAdapter::sendNonBlockingNoStat
Request sendNonBlockingNoStat(const void *send_buffer, Int64 send_buffer_size, Int32 proc, MPI_Datatype data_type, int mpi_tag)
Version non bloquante de send sans statistique temporelle.
Definition MpiAdapter.cc:863
Arccore::MessagePassing::Mpi::MpiAdapter::MpiAdapter
MpiAdapter(ITraceMng *msg, IStat *stat, MPI_Comm comm, MpiLock *mpi_lock, IMpiProfiling *mpi_prof=nullptr)
Definition MpiAdapter.cc:247
Arccore::MessagePassing::Mpi::MpiAdapter::setPrintRequestError
void setPrintRequestError(bool v)
Indique si on affiche des messages pour les erreurs dans les requêtes.
Definition MpiAdapter.cc:375
Arccore::MessagePassing::Mpi::MpiAdapter::buildRequest
Request buildRequest(int ret, MPI_Request request)
Construit une requête Arccore à partir d'une requête MPI.
Definition MpiAdapter.cc:328
Arccore::MessagePassing::Mpi::MpiAdapter::setRequestErrorAreFatal
void setRequestErrorAreFatal(bool v)
Indique si les erreurs dans la liste des requêtes sont fatales.
Definition MpiAdapter.cc:364
Arccore::MessagePassing::Mpi::MpiAdapter::receiveNonBlockingNoStat
Request receiveNonBlockingNoStat(void *recv_buffer, Int64 recv_buffer_size, Int32 source_rank, MPI_Datatype data_type, int mpi_tag)
Version non bloquante de receive sans statistiques temporelles.
Definition MpiAdapter.cc:987
Arccore::MessagePassing::Mpi::MpiAdapter::_removeRequest
void _removeRequest(MPI_Request request)
Definition MpiAdapter.cc:1672
Arccore::MessagePassing::Mpi::MpiAdapter::_addRequest
void _addRequest(MPI_Request request)
Definition MpiAdapter.cc:1661
Arccore::MessagePassing::Mpi::MpiAdapter::destroy
void destroy()
Détruit l'instance. Elle ne doit plus être utilisée par la suite.
Definition MpiAdapter.cc:354
Arccore::MessagePassing::Mpi::MpiAdapter::m_empty_request1
MPI_Request m_empty_request1
Requêtes vides. Voir MpiAdapter.cc pour plus d'infos.
Definition arccore/src/message_passing_mpi/arccore/message_passing_mpi/MpiAdapter.h:225
Arccore::MessagePassing::Mpi::MpiAdapter::setCheckRequest
void setCheckRequest(bool v)
Indique si on vérifie les requêtes.
Definition MpiAdapter.cc:386
Arccore::MessagePassing::Mpi::MpiInfo
Structure informative liee aux enumerationx pour les operations MPI. Donne le nom associe a l'enum ai...
Definition MessagePassingMpiEnum.h:78
Arccore::MessagePassing::Mpi::MpiRequest
Spécialisation MPI d'une 'Request'.
Definition MpiRequest.h:35
Arccore::MessagePassing::Mpi::NoMpiProfiling
Implementation de l'interface des operations MPI. Correspond a un simple appel aux fonctions MPI du m...
Definition NoMpiProfiling.h:42
Arccore::MessagePassing::Mpi::StandaloneMpiMessagePassingMng::create
static MpiMessagePassingMng * create(MPI_Comm comm, bool clean_comm=false)
Créé un gestionnaire associé au communicateur comm.
Definition StandaloneMpiMessagePassingMng.cc:132
Arccore::MessagePassing::Request
Requête d'un message.
Definition Request.h:77
Arccore::NotImplementedException
Exception lorsqu'une fonction n'est pas implémentée.
Definition arccore/src/base/arccore/base/NotImplementedException.h:33
Arccore::StackTrace::toString
const String & toString() const
Chaîne de caractères indiquant la pile d'appel.
Definition arccore/src/base/arccore/base/StackTrace.h:98
Arccore::String
Chaîne de caractères unicode.
Definition arccore/src/base/arccore/base/String.h:70
Arccore::TraceAccessor::error
TraceMessage error() const
Flot pour un message d'erreur.
Definition TraceAccessor.cc:201
Arccore::TraceAccessor::debug
TraceMessageDbg debug(Trace::eDebugLevel=Trace::Medium) const
Flot pour un message de debug.
Definition arccore/src/trace/arccore/trace/TraceAccessor.h:120
Arccore::TraceAccessor::warning
TraceMessage warning() const
Flot pour un message d'avertissement.
Definition TraceAccessor.cc:183
Arccore::TraceAccessor::info
TraceMessage info() const
Flot pour un message d'information.
Definition TraceAccessor.cc:101
Arccore::UniqueArray
Vecteur 1D de données avec sémantique par valeur (style STL).
Definition arccore/src/collections/arccore/collections/Array.h:1807
Arccore::Platform::getStackTrace
ARCCORE_BASE_EXPORT String getStackTrace()
Retourne une chaîne de caractere contenant la pile d'appel.
Definition arccore/src/base/arccore/base/PlatformUtils.cc:444
Arccore::Platform::getStackTraceService
ARCCORE_BASE_EXPORT IStackTraceService * getStackTraceService()
Service utilisé pour obtenir la pile d'appel.
Definition arccore/src/base/arccore/base/PlatformUtils.cc:424
Arccore::Platform::getEnvironmentVariable
ARCCORE_BASE_EXPORT String getEnvironmentVariable(const String &name)
Variable d'environnement du nom name.
Definition arccore/src/base/arccore/base/PlatformUtils.cc:251
Arccore::Integer
Int32 Integer
Type représentant un entier.
Definition ArccoreGlobal.h:240
Arccore::makeRef
auto makeRef(InstanceType *t) -> Ref< InstanceType >
Créé une référence sur un pointeur.
Definition arccore/src/base/arccore/base/Ref.h:356
Arccore::Int64
std::int64_t Int64
Type entier signé sur 64 bits.
Definition ArccoreGlobal.h:186
Arccore::arccoreIsCheck
ARCCORE_BASE_EXPORT bool arccoreIsCheck()
Vrai si on est en mode vérification.
Definition ArccoreGlobal.cc:64