1 /* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
7 #include "smpi_comm.hpp"
8 #include "smpi_datatype.hpp"
9 #include "smpi_request.hpp"
10 #include "src/smpi/include/smpi_actor.hpp"
12 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(smpi_pmpi);
14 static aid_t getPid(MPI_Comm comm, int id)
16 return comm->group()->actor(id);
19 #define CHECK_SEND_INPUTS\
21 CHECK_COUNT(2, count)\
22 CHECK_TYPE(3, datatype)\
23 CHECK_BUFFER(1, buf, count, datatype)\
25 if(dst!= MPI_PROC_NULL)\
26 CHECK_RANK(4, dst, comm)\
29 #define CHECK_ISEND_INPUTS\
31 *request = MPI_REQUEST_NULL;\
34 #define CHECK_IRECV_INPUTS\
37 *request = MPI_REQUEST_NULL;\
38 CHECK_COUNT(2, count)\
39 CHECK_TYPE(3, datatype)\
40 CHECK_BUFFER(1, buf, count, datatype)\
42 if(src!=MPI_ANY_SOURCE && src!=MPI_PROC_NULL)\
43 CHECK_RANK(4, src, comm)\
45 /* PMPI User level calls */
47 int PMPI_Send_init(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request * request)
51 const SmpiBenchGuard suspend_bench;
52 *request = simgrid::smpi::Request::send_init(buf, count, datatype, dst, tag, comm);
57 int PMPI_Recv_init(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request * request)
61 const SmpiBenchGuard suspend_bench;
62 *request = simgrid::smpi::Request::recv_init(buf, count, datatype, src, tag, comm);
66 int PMPI_Rsend_init(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm,
69 return PMPI_Send_init(buf, count, datatype, dst, tag, comm, request);
72 int PMPI_Ssend_init(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
77 const SmpiBenchGuard suspend_bench;
78 *request = simgrid::smpi::Request::ssend_init(buf, count, datatype, dst, tag, comm);
85 * This function starts a request returned by init functions such as
86 * MPI_Send_init(), MPI_Ssend_init (see above), and friends.
87 * They should already have performed sanity checks.
89 int PMPI_Start(MPI_Request * request)
93 const SmpiBenchGuard suspend_bench;
94 CHECK_REQUEST_VALID(1)
95 if ( *request == MPI_REQUEST_NULL) {
96 retval = MPI_ERR_REQUEST;
98 MPI_Request req = *request;
99 aid_t my_proc_id = (req->comm() != MPI_COMM_NULL) ? simgrid::s4u::this_actor::get_pid() : -1;
100 TRACE_smpi_comm_in(my_proc_id, __func__,
101 new simgrid::instr::Pt2PtTIData("Start", req->dst(),
104 simgrid::smpi::Datatype::encode(req->type())));
105 if (not TRACE_smpi_view_internals() && req->flags() & MPI_REQ_SEND)
106 TRACE_smpi_send(my_proc_id, my_proc_id, getPid(req->comm(), req->dst()), req->tag(), req->size());
110 if (not TRACE_smpi_view_internals() && req->flags() & MPI_REQ_RECV)
111 TRACE_smpi_recv(getPid(req->comm(), req->src()), my_proc_id, req->tag());
112 retval = MPI_SUCCESS;
113 TRACE_smpi_comm_out(my_proc_id);
118 int PMPI_Startall(int count, MPI_Request * requests)
121 const SmpiBenchGuard suspend_bench;
122 if (requests == nullptr) {
123 retval = MPI_ERR_ARG;
125 retval = MPI_SUCCESS;
126 for (int i = 0; i < count; i++) {
127 if(requests[i] == MPI_REQUEST_NULL) {
128 retval = MPI_ERR_REQUEST;
131 if(retval != MPI_ERR_REQUEST) {
132 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
133 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Startall"));
134 if (not TRACE_smpi_view_internals())
135 for (int i = 0; i < count; i++) {
136 const simgrid::smpi::Request* req = requests[i];
137 if (req->flags() & MPI_REQ_SEND)
138 TRACE_smpi_send(my_proc_id, my_proc_id, getPid(req->comm(), req->dst()), req->tag(), req->size());
141 simgrid::smpi::Request::startall(count, requests);
143 if (not TRACE_smpi_view_internals())
144 for (int i = 0; i < count; i++) {
145 const simgrid::smpi::Request* req = requests[i];
146 if (req->flags() & MPI_REQ_RECV)
147 TRACE_smpi_recv(getPid(req->comm(), req->src()), my_proc_id, req->tag());
149 TRACE_smpi_comm_out(my_proc_id);
155 int PMPI_Request_free(MPI_Request * request)
159 const SmpiBenchGuard suspend_bench;
160 if (*request != MPI_REQUEST_NULL) {
161 (*request)->mark_as_deleted();
162 simgrid::smpi::Request::unref(request);
163 *request = MPI_REQUEST_NULL;
164 retval = MPI_SUCCESS;
169 int PMPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request * request)
173 const SmpiBenchGuard suspend_bench;
174 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
175 TRACE_smpi_comm_in(my_proc_id, __func__,
176 new simgrid::instr::Pt2PtTIData("irecv", src,
177 datatype->is_replayable() ? count : count * datatype->size(),
178 tag, simgrid::smpi::Datatype::encode(datatype)));
179 *request = simgrid::smpi::Request::irecv(buf, count, datatype, src, tag, comm);
180 TRACE_smpi_comm_out(my_proc_id);
185 int PMPI_Isend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request * request)
189 const SmpiBenchGuard suspend_bench;
191 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
192 aid_t trace_dst = getPid(comm, dst);
193 TRACE_smpi_comm_in(my_proc_id, __func__,
194 new simgrid::instr::Pt2PtTIData("isend", dst,
195 datatype->is_replayable() ? count : count * datatype->size(),
196 tag, simgrid::smpi::Datatype::encode(datatype)));
197 TRACE_smpi_send(my_proc_id, my_proc_id, trace_dst, tag, count * datatype->size());
198 *request = simgrid::smpi::Request::isend(buf, count, datatype, dst, tag, comm);
199 retval = MPI_SUCCESS;
200 TRACE_smpi_comm_out(my_proc_id);
205 int PMPI_Irsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm,
206 MPI_Request* request)
208 return PMPI_Isend(buf, count, datatype, dst, tag, comm, request);
211 int PMPI_Issend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
215 const SmpiBenchGuard suspend_bench;
216 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
217 aid_t trace_dst = getPid(comm, dst);
218 TRACE_smpi_comm_in(my_proc_id, __func__,
219 new simgrid::instr::Pt2PtTIData("ISsend", dst,
220 datatype->is_replayable() ? count : count * datatype->size(),
221 tag, simgrid::smpi::Datatype::encode(datatype)));
222 TRACE_smpi_send(my_proc_id, my_proc_id, trace_dst, tag, count * datatype->size());
223 *request = simgrid::smpi::Request::issend(buf, count, datatype, dst, tag, comm);
224 TRACE_smpi_comm_out(my_proc_id);
228 int PMPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status * status)
232 CHECK_COUNT(2, count)
233 CHECK_TYPE(3, datatype)
234 CHECK_BUFFER(1, buf, count, datatype)
238 const SmpiBenchGuard suspend_bench;
239 if (src == MPI_PROC_NULL) {
240 if(status != MPI_STATUS_IGNORE){
241 simgrid::smpi::Status::empty(status);
242 status->MPI_SOURCE = MPI_PROC_NULL;
244 retval = MPI_SUCCESS;
245 } else if (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0)){
246 retval = MPI_ERR_RANK;
248 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
249 TRACE_smpi_comm_in(my_proc_id, __func__,
250 new simgrid::instr::Pt2PtTIData("recv", src,
251 datatype->is_replayable() ? count : count * datatype->size(),
252 tag, simgrid::smpi::Datatype::encode(datatype)));
254 retval = simgrid::smpi::Request::recv(buf, count, datatype, src, tag, comm, status);
256 // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
257 if (not TRACE_smpi_view_internals()) {
258 aid_t src_traced = (status != MPI_STATUS_IGNORE) ? getPid(comm, status->MPI_SOURCE) : getPid(comm, src);
259 TRACE_smpi_recv(src_traced, my_proc_id, tag);
262 TRACE_smpi_comm_out(my_proc_id);
268 int PMPI_Send(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
272 const SmpiBenchGuard suspend_bench;
273 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
274 aid_t dst_traced = getPid(comm, dst);
275 TRACE_smpi_comm_in(my_proc_id, __func__,
276 new simgrid::instr::Pt2PtTIData("send", dst,
277 datatype->is_replayable() ? count : count * datatype->size(),
278 tag, simgrid::smpi::Datatype::encode(datatype)));
279 if (not TRACE_smpi_view_internals()) {
280 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
282 simgrid::smpi::Request::send(buf, count, datatype, dst, tag, comm);
283 TRACE_smpi_comm_out(my_proc_id);
287 int PMPI_Rsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
289 return PMPI_Send(buf, count, datatype, dst, tag, comm);
292 int PMPI_Bsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
296 const SmpiBenchGuard suspend_bench;
297 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
298 aid_t dst_traced = getPid(comm, dst);
299 int bsend_buf_size = 0;
300 void* bsend_buf = nullptr;
301 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
302 int size = datatype->get_extent() * count;
303 if (bsend_buf == nullptr || bsend_buf_size < size + MPI_BSEND_OVERHEAD)
304 return MPI_ERR_BUFFER;
305 TRACE_smpi_comm_in(my_proc_id, __func__,
306 new simgrid::instr::Pt2PtTIData("bsend", dst,
307 datatype->is_replayable() ? count : count * datatype->size(),
308 tag, simgrid::smpi::Datatype::encode(datatype)));
309 if (not TRACE_smpi_view_internals()) {
310 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
312 simgrid::smpi::Request::bsend(buf, count, datatype, dst, tag, comm);
313 TRACE_smpi_comm_out(my_proc_id);
317 int PMPI_Ibsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
321 const SmpiBenchGuard suspend_bench;
322 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
323 aid_t trace_dst = getPid(comm, dst);
324 int bsend_buf_size = 0;
325 void* bsend_buf = nullptr;
326 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
327 int size = datatype->get_extent() * count;
328 if (bsend_buf == nullptr || bsend_buf_size < size + MPI_BSEND_OVERHEAD)
329 return MPI_ERR_BUFFER;
330 TRACE_smpi_comm_in(my_proc_id, __func__,
331 new simgrid::instr::Pt2PtTIData("ibsend", dst,
332 datatype->is_replayable() ? count : count * datatype->size(),
333 tag, simgrid::smpi::Datatype::encode(datatype)));
334 TRACE_smpi_send(my_proc_id, my_proc_id, trace_dst, tag, count * datatype->size());
335 *request = simgrid::smpi::Request::ibsend(buf, count, datatype, dst, tag, comm);
336 TRACE_smpi_comm_out(my_proc_id);
340 int PMPI_Bsend_init(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
344 const SmpiBenchGuard suspend_bench;
346 int bsend_buf_size = 0;
347 void* bsend_buf = nullptr;
348 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
349 if( bsend_buf==nullptr || bsend_buf_size < datatype->get_extent() * count + MPI_BSEND_OVERHEAD ) {
350 retval = MPI_ERR_BUFFER;
352 *request = simgrid::smpi::Request::bsend_init(buf, count, datatype, dst, tag, comm);
353 retval = MPI_SUCCESS;
358 int PMPI_Ssend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
362 const SmpiBenchGuard suspend_bench;
363 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
364 aid_t dst_traced = getPid(comm, dst);
365 TRACE_smpi_comm_in(my_proc_id, __func__,
366 new simgrid::instr::Pt2PtTIData("Ssend", dst,
367 datatype->is_replayable() ? count : count * datatype->size(),
368 tag, simgrid::smpi::Datatype::encode(datatype)));
369 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
370 simgrid::smpi::Request::ssend(buf, count, datatype, dst, tag, comm);
371 TRACE_smpi_comm_out(my_proc_id);
375 int PMPI_Sendrecv(const void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void* recvbuf,
376 int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status* status)
381 CHECK_COUNT(2, sendcount)
382 CHECK_TYPE(3, sendtype)
383 CHECK_TAG(5, sendtag)
384 CHECK_COUNT(7, recvcount)
385 CHECK_TYPE(8, recvtype)
386 CHECK_BUFFER(1, sendbuf, sendcount, sendtype)
387 CHECK_BUFFER(6, recvbuf, recvcount, recvtype)
388 CHECK_TAG(10, recvtag)
390 const SmpiBenchGuard suspend_bench;
392 if (src == MPI_PROC_NULL) {
393 if(status!=MPI_STATUS_IGNORE){
394 simgrid::smpi::Status::empty(status);
395 status->MPI_SOURCE = MPI_PROC_NULL;
397 if(dst != MPI_PROC_NULL)
398 simgrid::smpi::Request::send(sendbuf, sendcount, sendtype, dst, sendtag, comm);
399 retval = MPI_SUCCESS;
400 } else if (dst == MPI_PROC_NULL){
401 retval = simgrid::smpi::Request::recv(recvbuf, recvcount, recvtype, src, recvtag, comm, status);
402 } else if (dst >= comm->group()->size() || dst <0 ||
403 (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0))){
404 retval = MPI_ERR_RANK;
406 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
407 aid_t dst_traced = getPid(comm, dst);
408 aid_t src_traced = getPid(comm, src);
410 // FIXME: Hack the way to trace this one
411 auto dst_hack = std::make_shared<std::vector<int>>();
412 auto src_hack = std::make_shared<std::vector<int>>();
413 dst_hack->push_back(dst_traced);
414 src_hack->push_back(src_traced);
415 TRACE_smpi_comm_in(my_proc_id, __func__,
416 new simgrid::instr::VarCollTIData(
417 "sendRecv", -1, sendtype->is_replayable() ? sendcount : sendcount * sendtype->size(),
418 dst_hack, recvtype->is_replayable() ? recvcount : recvcount * recvtype->size(), src_hack,
419 simgrid::smpi::Datatype::encode(sendtype), simgrid::smpi::Datatype::encode(recvtype)));
421 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, sendtag, sendcount * sendtype->size());
423 simgrid::smpi::Request::sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src,
424 recvtag, comm, status);
425 retval = MPI_SUCCESS;
427 TRACE_smpi_recv(src_traced, my_proc_id, recvtag);
428 TRACE_smpi_comm_out(my_proc_id);
434 int PMPI_Sendrecv_replace(void* buf, int count, MPI_Datatype datatype, int dst, int sendtag, int src, int recvtag,
435 MPI_Comm comm, MPI_Status* status)
439 CHECK_COUNT(2, count)
440 CHECK_TYPE(3, datatype)
441 CHECK_BUFFER(1, buf, count, datatype)
443 int size = datatype->get_extent() * count;
444 xbt_assert(size > 0);
445 std::vector<char> recvbuf(size);
447 MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf.data(), count, datatype, src, recvtag, comm, status);
448 if(retval==MPI_SUCCESS){
449 simgrid::smpi::Datatype::copy(recvbuf.data(), count, datatype, buf, count, datatype);
454 int PMPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
457 const SmpiBenchGuard suspend_bench;
458 if (request == nullptr || flag == nullptr) {
459 retval = MPI_ERR_ARG;
460 } else if (*request == MPI_REQUEST_NULL) {
461 if (status != MPI_STATUS_IGNORE){
463 simgrid::smpi::Status::empty(status);
465 retval = MPI_SUCCESS;
467 aid_t my_proc_id = ((*request)->comm() != MPI_COMM_NULL) ? simgrid::s4u::this_actor::get_pid() : -1;
469 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("test"));
470 retval = simgrid::smpi::Request::test(request,status, flag);
472 TRACE_smpi_comm_out(my_proc_id);
477 int PMPI_Testany(int count, MPI_Request requests[], int *index, int *flag, MPI_Status * status)
480 CHECK_COUNT(1, count)
481 const SmpiBenchGuard suspend_bench;
482 if (index == nullptr || flag == nullptr) {
483 retval = MPI_ERR_ARG;
485 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
486 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testany"));
487 retval = simgrid::smpi::Request::testany(count, requests, index, flag, status);
488 TRACE_smpi_comm_out(my_proc_id);
493 int PMPI_Testall(int count, MPI_Request* requests, int* flag, MPI_Status* statuses)
496 CHECK_COUNT(1, count)
497 const SmpiBenchGuard suspend_bench;
498 if (flag == nullptr) {
499 retval = MPI_ERR_ARG;
501 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
502 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testall"));
503 retval = simgrid::smpi::Request::testall(count, requests, flag, statuses);
504 TRACE_smpi_comm_out(my_proc_id);
509 int PMPI_Testsome(int incount, MPI_Request requests[], int* outcount, int* indices, MPI_Status status[])
512 CHECK_COUNT(1, incount)
513 const SmpiBenchGuard suspend_bench;
514 if (outcount == nullptr) {
515 retval = MPI_ERR_ARG;
517 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
518 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testsome"));
519 retval = simgrid::smpi::Request::testsome(incount, requests, outcount, indices, status);
520 TRACE_smpi_comm_out(my_proc_id);
525 int PMPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status* status) {
527 const SmpiBenchGuard suspend_bench;
530 if(source!=MPI_ANY_SOURCE && source!=MPI_PROC_NULL)\
531 CHECK_RANK(1, source, comm)
533 if (source == MPI_PROC_NULL) {
534 if (status != MPI_STATUS_IGNORE){
535 simgrid::smpi::Status::empty(status);
536 status->MPI_SOURCE = MPI_PROC_NULL;
538 retval = MPI_SUCCESS;
540 simgrid::smpi::Request::probe(source, tag, comm, status);
541 retval = MPI_SUCCESS;
546 int PMPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status) {
548 const SmpiBenchGuard suspend_bench;
550 if(source!=MPI_ANY_SOURCE && source!=MPI_PROC_NULL)\
551 CHECK_RANK(1, source, comm)
553 if (flag == nullptr) {
554 retval = MPI_ERR_ARG;
555 } else if (source == MPI_PROC_NULL) {
557 if (status != MPI_STATUS_IGNORE){
558 simgrid::smpi::Status::empty(status);
559 status->MPI_SOURCE = MPI_PROC_NULL;
561 retval = MPI_SUCCESS;
563 simgrid::smpi::Request::iprobe(source, tag, comm, flag, status);
564 retval = MPI_SUCCESS;
569 // TODO: cheinrich: Move declaration to other file? Rename this function - it's used for PMPI_Wait*?
570 static void trace_smpi_recv_helper(MPI_Request* request, MPI_Status* status)
572 const simgrid::smpi::Request* req = *request;
573 // Requests already received are null. Is this request a wait for RECV?
574 if (req != MPI_REQUEST_NULL && (req->flags() & MPI_REQ_RECV)) {
575 aid_t src_traced = req->src();
576 aid_t dst_traced = req->dst();
577 // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
578 if (src_traced == MPI_ANY_SOURCE && status != MPI_STATUS_IGNORE)
579 src_traced = req->comm()->group()->actor(status->MPI_SOURCE);
580 TRACE_smpi_recv(src_traced, dst_traced, req->tag());
584 int PMPI_Wait(MPI_Request * request, MPI_Status * status)
588 const SmpiBenchGuard suspend_bench;
590 simgrid::smpi::Status::empty(status);
592 CHECK_NULL(1, MPI_ERR_ARG, request)
593 if (*request == MPI_REQUEST_NULL) {
594 retval = MPI_SUCCESS;
596 // for tracing, save the handle which might get overridden before we can use the helper on it
597 MPI_Request savedreq = *request;
598 if (savedreq != MPI_REQUEST_NULL && not(savedreq->flags() & (MPI_REQ_FINISHED | MPI_REQ_GENERALIZED | MPI_REQ_NBC)))
599 savedreq->ref();//don't erase the handle in Request::wait, we'll need it later
601 savedreq = MPI_REQUEST_NULL;
603 aid_t my_proc_id = (*request)->comm() != MPI_COMM_NULL ? simgrid::s4u::this_actor::get_pid() : -1;
604 TRACE_smpi_comm_in(my_proc_id, __func__,
605 new simgrid::instr::WaitTIData((*request)->src(), (*request)->dst(), (*request)->tag()));
607 retval = simgrid::smpi::Request::wait(request, status);
609 //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
610 TRACE_smpi_comm_out(my_proc_id);
611 trace_smpi_recv_helper(&savedreq, status);
612 if (savedreq != MPI_REQUEST_NULL)
613 simgrid::smpi::Request::unref(&savedreq);
619 int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * status)
621 if (index == nullptr)
627 const SmpiBenchGuard suspend_bench;
628 // for tracing, save the handles which might get overridden before we can use the helper on it
629 std::vector<MPI_Request> savedreqs(requests, requests + count);
630 for (MPI_Request& req : savedreqs) {
631 if (req != MPI_REQUEST_NULL && not(req->flags() & (MPI_REQ_FINISHED | MPI_REQ_NBC)))
634 req = MPI_REQUEST_NULL;
637 aid_t rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
638 TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitAny", count));
640 *index = simgrid::smpi::Request::waitany(count, requests, status);
642 if(*index!=MPI_UNDEFINED){
643 trace_smpi_recv_helper(&savedreqs[*index], status);
644 TRACE_smpi_comm_out(rank_traced);
647 for (MPI_Request& req : savedreqs)
648 if (req != MPI_REQUEST_NULL)
649 simgrid::smpi::Request::unref(&req);
654 int PMPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
656 const SmpiBenchGuard suspend_bench;
657 CHECK_COUNT(1, count)
658 // for tracing, save the handles which might get overridden before we can use the helper on it
659 std::vector<MPI_Request> savedreqs(requests, requests + count);
660 for (MPI_Request& req : savedreqs) {
661 if (req != MPI_REQUEST_NULL && not(req->flags() & (MPI_REQ_FINISHED | MPI_REQ_NBC)))
664 req = MPI_REQUEST_NULL;
667 aid_t rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
668 TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitall", count));
670 int retval = simgrid::smpi::Request::waitall(count, requests, status);
672 for (int i = 0; i < count; i++) {
673 trace_smpi_recv_helper(&savedreqs[i], status!=MPI_STATUSES_IGNORE ? &status[i]: MPI_STATUS_IGNORE);
675 TRACE_smpi_comm_out(rank_traced);
677 for (MPI_Request& req : savedreqs)
678 if (req != MPI_REQUEST_NULL)
679 simgrid::smpi::Request::unref(&req);
684 int PMPI_Waitsome(int incount, MPI_Request requests[], int *outcount, int *indices, MPI_Status status[])
687 CHECK_COUNT(1, incount)
688 const SmpiBenchGuard suspend_bench;
689 if (outcount == nullptr) {
690 retval = MPI_ERR_ARG;
692 *outcount = simgrid::smpi::Request::waitsome(incount, requests, indices, status);
693 retval = MPI_SUCCESS;
698 int PMPI_Cancel(MPI_Request* request)
702 const SmpiBenchGuard suspend_bench;
703 CHECK_REQUEST_VALID(1)
704 if (*request == MPI_REQUEST_NULL) {
705 retval = MPI_ERR_REQUEST;
707 (*request)->cancel();
708 retval = MPI_SUCCESS;
713 int PMPI_Test_cancelled(const MPI_Status* status, int* flag){
714 if(status==MPI_STATUS_IGNORE){
718 *flag=simgrid::smpi::Status::cancelled(status);
722 int PMPI_Status_set_cancelled(MPI_Status* status, int flag){
723 if(status==MPI_STATUS_IGNORE){
726 simgrid::smpi::Status::set_cancelled(status,flag);
730 int PMPI_Status_set_elements(MPI_Status* status, MPI_Datatype datatype, int count){
731 if(status==MPI_STATUS_IGNORE){
734 simgrid::smpi::Status::set_elements(status,datatype, count);
738 int PMPI_Status_set_elements_x(MPI_Status* status, MPI_Datatype datatype, MPI_Count count){
739 if(status==MPI_STATUS_IGNORE){
742 simgrid::smpi::Status::set_elements(status,datatype, static_cast<int>(count));
746 int PMPI_Grequest_start( MPI_Grequest_query_function *query_fn, MPI_Grequest_free_function *free_fn, MPI_Grequest_cancel_function *cancel_fn, void *extra_state, MPI_Request *request){
747 return simgrid::smpi::Request::grequest_start(query_fn, free_fn,cancel_fn, extra_state, request);
750 int PMPI_Grequest_complete( MPI_Request request){
751 return simgrid::smpi::Request::grequest_complete(request);
754 int PMPI_Request_get_status( MPI_Request request, int *flag, MPI_Status *status){
755 if(request==MPI_REQUEST_NULL){
757 simgrid::smpi::Status::empty(status);
759 } else if (flag == nullptr) {
762 return simgrid::smpi::Request::get_status(request,flag,status);
765 MPI_Request PMPI_Request_f2c(MPI_Fint request){
767 return MPI_REQUEST_NULL;
768 return simgrid::smpi::Request::f2c(request);
771 MPI_Fint PMPI_Request_c2f(MPI_Request request) {
772 if(request==MPI_REQUEST_NULL)
774 return request->c2f();