1 /* Copyright (c) 2007-2022. 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", MPI_COMM_WORLD->group()->rank(req->dst()), req->size(), req->tag(),
102 simgrid::smpi::Datatype::encode(req->type())));
103 if (not TRACE_smpi_view_internals() && req->flags() & MPI_REQ_SEND)
104 TRACE_smpi_send(my_proc_id, my_proc_id, getPid(req->comm(), req->dst()), req->tag(), req->size());
108 if (not TRACE_smpi_view_internals() && req->flags() & MPI_REQ_RECV)
109 TRACE_smpi_recv(getPid(req->comm(), req->src()), my_proc_id, req->tag());
110 retval = MPI_SUCCESS;
111 TRACE_smpi_comm_out(my_proc_id);
116 int PMPI_Startall(int count, MPI_Request * requests)
119 const SmpiBenchGuard suspend_bench;
120 if (requests == nullptr) {
121 retval = MPI_ERR_ARG;
123 retval = MPI_SUCCESS;
124 for (int i = 0; i < count; i++) {
125 if(requests[i] == MPI_REQUEST_NULL) {
126 retval = MPI_ERR_REQUEST;
129 if(retval != MPI_ERR_REQUEST) {
130 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
131 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("Startall"));
132 if (not TRACE_smpi_view_internals())
133 for (int i = 0; i < count; i++) {
134 const simgrid::smpi::Request* req = requests[i];
135 if (req->flags() & MPI_REQ_SEND)
136 TRACE_smpi_send(my_proc_id, my_proc_id, getPid(req->comm(), req->dst()), req->tag(), req->size());
139 simgrid::smpi::Request::startall(count, requests);
141 if (not TRACE_smpi_view_internals())
142 for (int i = 0; i < count; i++) {
143 const simgrid::smpi::Request* req = requests[i];
144 if (req->flags() & MPI_REQ_RECV)
145 TRACE_smpi_recv(getPid(req->comm(), req->src()), my_proc_id, req->tag());
147 TRACE_smpi_comm_out(my_proc_id);
153 int PMPI_Request_free(MPI_Request * request)
157 const SmpiBenchGuard suspend_bench;
158 if (*request != MPI_REQUEST_NULL) {
159 (*request)->mark_as_deleted();
160 simgrid::smpi::Request::unref(request);
161 *request = MPI_REQUEST_NULL;
162 retval = MPI_SUCCESS;
167 int PMPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request * request)
171 const SmpiBenchGuard suspend_bench;
172 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
173 TRACE_smpi_comm_in(my_proc_id, __func__,
174 new simgrid::instr::Pt2PtTIData("irecv", MPI_COMM_WORLD->group()->rank(getPid(comm, src)),
176 tag, simgrid::smpi::Datatype::encode(datatype)));
177 *request = simgrid::smpi::Request::irecv(buf, count, datatype, src, tag, comm);
178 TRACE_smpi_comm_out(my_proc_id);
183 int PMPI_Isend(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request * request)
187 const SmpiBenchGuard suspend_bench;
189 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
190 aid_t trace_dst = getPid(comm, dst);
191 TRACE_smpi_comm_in(my_proc_id, __func__,
192 new simgrid::instr::Pt2PtTIData("isend", MPI_COMM_WORLD->group()->rank(trace_dst),
194 tag, simgrid::smpi::Datatype::encode(datatype)));
195 TRACE_smpi_send(my_proc_id, my_proc_id, trace_dst, tag, count * datatype->size());
196 *request = simgrid::smpi::Request::isend(buf, count, datatype, dst, tag, comm);
197 retval = MPI_SUCCESS;
198 TRACE_smpi_comm_out(my_proc_id);
203 int PMPI_Irsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm,
204 MPI_Request* request)
206 return PMPI_Isend(buf, count, datatype, dst, tag, comm, request);
209 int PMPI_Issend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
213 const SmpiBenchGuard suspend_bench;
214 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
215 aid_t trace_dst = getPid(comm, dst);
216 TRACE_smpi_comm_in(my_proc_id, __func__,
217 new simgrid::instr::Pt2PtTIData("ISsend", MPI_COMM_WORLD->group()->rank(trace_dst),
219 tag, simgrid::smpi::Datatype::encode(datatype)));
220 TRACE_smpi_send(my_proc_id, my_proc_id, trace_dst, tag, count * datatype->size());
221 *request = simgrid::smpi::Request::issend(buf, count, datatype, dst, tag, comm);
222 TRACE_smpi_comm_out(my_proc_id);
226 int PMPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status * status)
230 CHECK_COUNT(2, count)
231 CHECK_TYPE(3, datatype)
232 CHECK_BUFFER(1, buf, count, datatype)
236 const SmpiBenchGuard suspend_bench;
237 if (src == MPI_PROC_NULL) {
238 if(status != MPI_STATUS_IGNORE){
239 simgrid::smpi::Status::empty(status);
240 status->MPI_SOURCE = MPI_PROC_NULL;
242 retval = MPI_SUCCESS;
243 } else if (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0)){
244 retval = MPI_ERR_RANK;
246 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
247 TRACE_smpi_comm_in(my_proc_id, __func__,
248 new simgrid::instr::Pt2PtTIData("recv", MPI_COMM_WORLD->group()->rank(getPid(comm, src)),
250 tag, simgrid::smpi::Datatype::encode(datatype)));
252 retval = simgrid::smpi::Request::recv(buf, count, datatype, src, tag, comm, status);
254 // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
255 if (not TRACE_smpi_view_internals()) {
256 aid_t src_traced = (status != MPI_STATUS_IGNORE) ? getPid(comm, status->MPI_SOURCE) : getPid(comm, src);
257 TRACE_smpi_recv(src_traced, my_proc_id, tag);
260 TRACE_smpi_comm_out(my_proc_id);
266 int PMPI_Send(const void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
270 const SmpiBenchGuard suspend_bench;
271 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
272 aid_t dst_traced = getPid(comm, dst);
273 TRACE_smpi_comm_in(my_proc_id, __func__,
274 new simgrid::instr::Pt2PtTIData("send", MPI_COMM_WORLD->group()->rank(dst_traced),
276 tag, simgrid::smpi::Datatype::encode(datatype)));
277 if (not TRACE_smpi_view_internals()) {
278 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
280 simgrid::smpi::Request::send(buf, count, datatype, dst, tag, comm);
281 TRACE_smpi_comm_out(my_proc_id);
285 int PMPI_Rsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
287 return PMPI_Send(buf, count, datatype, dst, tag, comm);
290 int PMPI_Bsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
294 const SmpiBenchGuard suspend_bench;
295 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
296 aid_t dst_traced = getPid(comm, dst);
297 int bsend_buf_size = 0;
298 void* bsend_buf = nullptr;
299 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
300 if (bsend_buf == nullptr || bsend_buf_size < datatype->get_extent() * count + MPI_BSEND_OVERHEAD)
301 return MPI_ERR_BUFFER;
302 TRACE_smpi_comm_in(my_proc_id, __func__,
303 new simgrid::instr::Pt2PtTIData("bsend", MPI_COMM_WORLD->group()->rank(dst_traced),
305 tag, simgrid::smpi::Datatype::encode(datatype)));
306 if (not TRACE_smpi_view_internals()) {
307 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
309 simgrid::smpi::Request::bsend(buf, count, datatype, dst, tag, comm);
310 TRACE_smpi_comm_out(my_proc_id);
314 int PMPI_Ibsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
318 const SmpiBenchGuard suspend_bench;
319 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
320 aid_t trace_dst = getPid(comm, dst);
321 int bsend_buf_size = 0;
322 void* bsend_buf = nullptr;
323 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
324 if (bsend_buf == nullptr || bsend_buf_size < datatype->get_extent() * count + MPI_BSEND_OVERHEAD)
325 return MPI_ERR_BUFFER;
326 TRACE_smpi_comm_in(my_proc_id, __func__,
327 new simgrid::instr::Pt2PtTIData("ibsend", MPI_COMM_WORLD->group()->rank(trace_dst),
329 tag, simgrid::smpi::Datatype::encode(datatype)));
330 TRACE_smpi_send(my_proc_id, my_proc_id, trace_dst, tag, count * datatype->size());
331 *request = simgrid::smpi::Request::ibsend(buf, count, datatype, dst, tag, comm);
332 TRACE_smpi_comm_out(my_proc_id);
336 int PMPI_Bsend_init(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
340 const SmpiBenchGuard suspend_bench;
342 int bsend_buf_size = 0;
343 void* bsend_buf = nullptr;
344 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
345 if( bsend_buf==nullptr || bsend_buf_size < datatype->get_extent() * count + MPI_BSEND_OVERHEAD ) {
346 retval = MPI_ERR_BUFFER;
348 *request = simgrid::smpi::Request::bsend_init(buf, count, datatype, dst, tag, comm);
349 retval = MPI_SUCCESS;
354 int PMPI_Ssend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
358 const SmpiBenchGuard suspend_bench;
359 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
360 aid_t dst_traced = getPid(comm, dst);
361 TRACE_smpi_comm_in(my_proc_id, __func__,
362 new simgrid::instr::Pt2PtTIData("Ssend", MPI_COMM_WORLD->group()->rank(dst_traced),
364 tag, simgrid::smpi::Datatype::encode(datatype)));
365 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
366 simgrid::smpi::Request::ssend(buf, count, datatype, dst, tag, comm);
367 TRACE_smpi_comm_out(my_proc_id);
371 int PMPI_Sendrecv(const void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void* recvbuf,
372 int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status* status)
377 CHECK_COUNT(2, sendcount)
378 CHECK_TYPE(3, sendtype)
379 CHECK_TAG(5, sendtag)
380 CHECK_COUNT(7, recvcount)
381 CHECK_TYPE(8, recvtype)
382 CHECK_BUFFER(1, sendbuf, sendcount, sendtype)
383 CHECK_BUFFER(6, recvbuf, recvcount, recvtype)
384 CHECK_TAG(10, recvtag)
386 const SmpiBenchGuard suspend_bench;
388 if (src == MPI_PROC_NULL) {
389 if(status!=MPI_STATUS_IGNORE){
390 simgrid::smpi::Status::empty(status);
391 status->MPI_SOURCE = MPI_PROC_NULL;
393 if(dst != MPI_PROC_NULL)
394 simgrid::smpi::Request::send(sendbuf, sendcount, sendtype, dst, sendtag, comm);
395 retval = MPI_SUCCESS;
396 } else if (dst == MPI_PROC_NULL){
397 retval = simgrid::smpi::Request::recv(recvbuf, recvcount, recvtype, src, recvtag, comm, status);
398 } else if (dst >= comm->group()->size() || dst <0 ||
399 (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0))){
400 retval = MPI_ERR_RANK;
402 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
403 aid_t dst_traced = MPI_COMM_WORLD->group()->rank(getPid(comm, dst));
404 aid_t src_traced = MPI_COMM_WORLD->group()->rank(getPid(comm, src));
406 // FIXME: Hack the way to trace this one
407 auto dst_hack = std::make_shared<std::vector<int>>();
408 auto src_hack = std::make_shared<std::vector<int>>();
409 dst_hack->push_back(dst_traced);
410 src_hack->push_back(src_traced);
411 TRACE_smpi_comm_in(my_proc_id, __func__,
412 new simgrid::instr::VarCollTIData(
413 "sendRecv", -1, sendcount,
414 dst_hack, recvcount, src_hack,
415 simgrid::smpi::Datatype::encode(sendtype), simgrid::smpi::Datatype::encode(recvtype)));
417 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, sendtag, sendcount * sendtype->size());
419 simgrid::smpi::Request::sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src,
420 recvtag, comm, status);
421 retval = MPI_SUCCESS;
423 TRACE_smpi_recv(src_traced, my_proc_id, recvtag);
424 TRACE_smpi_comm_out(my_proc_id);
430 int PMPI_Sendrecv_replace(void* buf, int count, MPI_Datatype datatype, int dst, int sendtag, int src, int recvtag,
431 MPI_Comm comm, MPI_Status* status)
435 CHECK_COUNT(2, count)
436 CHECK_TYPE(3, datatype)
437 CHECK_BUFFER(1, buf, count, datatype)
439 int size = datatype->get_extent() * count;
444 std::vector<char> recvbuf(size);
446 MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf.data(), count, datatype, src, recvtag, comm, status);
447 if(retval==MPI_SUCCESS){
448 simgrid::smpi::Datatype::copy(recvbuf.data(), count, datatype, buf, count, datatype);
453 int PMPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
456 const SmpiBenchGuard suspend_bench;
457 if (request == nullptr || flag == nullptr) {
458 retval = MPI_ERR_ARG;
459 } else if (*request == MPI_REQUEST_NULL) {
460 if (status != MPI_STATUS_IGNORE){
462 simgrid::smpi::Status::empty(status);
464 retval = MPI_SUCCESS;
466 aid_t my_proc_id = ((*request)->comm() != MPI_COMM_NULL) ? simgrid::s4u::this_actor::get_pid() : -1;
468 TRACE_smpi_comm_in(my_proc_id, __func__,
469 new simgrid::instr::WaitTIData("test", MPI_COMM_WORLD->group()->rank((*request)->src()),
470 MPI_COMM_WORLD->group()->rank((*request)->dst()),
472 retval = simgrid::smpi::Request::test(request,status, flag);
474 TRACE_smpi_comm_out(my_proc_id);
479 int PMPI_Testany(int count, MPI_Request requests[], int *index, int *flag, MPI_Status * status)
482 CHECK_COUNT(1, count)
483 const SmpiBenchGuard suspend_bench;
484 if (index == nullptr || flag == nullptr) {
485 retval = MPI_ERR_ARG;
487 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
488 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testany"));
489 retval = simgrid::smpi::Request::testany(count, requests, index, flag, status);
490 TRACE_smpi_comm_out(my_proc_id);
495 int PMPI_Testall(int count, MPI_Request* requests, int* flag, MPI_Status* statuses)
498 CHECK_COUNT(1, count)
499 const SmpiBenchGuard suspend_bench;
500 if (flag == nullptr) {
501 retval = MPI_ERR_ARG;
503 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
504 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testall"));
505 retval = simgrid::smpi::Request::testall(count, requests, flag, statuses);
506 TRACE_smpi_comm_out(my_proc_id);
511 int PMPI_Testsome(int incount, MPI_Request requests[], int* outcount, int* indices, MPI_Status status[])
514 CHECK_COUNT(1, incount)
515 const SmpiBenchGuard suspend_bench;
516 if (outcount == nullptr) {
517 retval = MPI_ERR_ARG;
519 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
520 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testsome"));
521 retval = simgrid::smpi::Request::testsome(incount, requests, outcount, indices, status);
522 TRACE_smpi_comm_out(my_proc_id);
527 int PMPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status* status) {
529 const SmpiBenchGuard suspend_bench;
532 if(source!=MPI_ANY_SOURCE && source!=MPI_PROC_NULL)\
533 CHECK_RANK(1, source, comm)
535 if (source == MPI_PROC_NULL) {
536 if (status != MPI_STATUS_IGNORE){
537 simgrid::smpi::Status::empty(status);
538 status->MPI_SOURCE = MPI_PROC_NULL;
540 retval = MPI_SUCCESS;
542 simgrid::smpi::Request::probe(source, tag, comm, status);
543 retval = MPI_SUCCESS;
548 int PMPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status) {
550 const SmpiBenchGuard suspend_bench;
552 if(source!=MPI_ANY_SOURCE && source!=MPI_PROC_NULL)\
553 CHECK_RANK(1, source, comm)
555 if (flag == nullptr) {
556 retval = MPI_ERR_ARG;
557 } else if (source == MPI_PROC_NULL) {
559 if (status != MPI_STATUS_IGNORE){
560 simgrid::smpi::Status::empty(status);
561 status->MPI_SOURCE = MPI_PROC_NULL;
563 retval = MPI_SUCCESS;
565 simgrid::smpi::Request::iprobe(source, tag, comm, flag, status);
566 retval = MPI_SUCCESS;
571 static void trace_smpi_wait_recv_helper(MPI_Request* request, MPI_Status* status)
573 const simgrid::smpi::Request* req = *request;
574 // Requests already received are null. Is this request a wait for RECV?
575 if (req != MPI_REQUEST_NULL && (req->flags() & MPI_REQ_RECV)) {
576 aid_t src_traced = req->src();
577 aid_t dst_traced = req->dst();
578 // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
579 if (src_traced == MPI_ANY_SOURCE && status != MPI_STATUS_IGNORE)
580 src_traced = req->comm()->group()->actor(status->MPI_SOURCE);
581 TRACE_smpi_recv(src_traced, dst_traced, req->tag());
585 int PMPI_Wait(MPI_Request * request, MPI_Status * status)
589 const SmpiBenchGuard suspend_bench;
591 simgrid::smpi::Status::empty(status);
593 CHECK_NULL(1, MPI_ERR_ARG, request)
594 if (*request == MPI_REQUEST_NULL) {
595 retval = MPI_SUCCESS;
597 // for tracing, save the handle which might get overridden before we can use the helper on it
598 MPI_Request savedreq = *request;
599 if (not(savedreq->flags() & (MPI_REQ_FINISHED | MPI_REQ_GENERALIZED | MPI_REQ_NBC)))
600 savedreq->ref();//don't erase the handle in Request::wait, we'll need it later
602 savedreq = MPI_REQUEST_NULL;
604 aid_t my_proc_id = (*request)->comm() != MPI_COMM_NULL ? simgrid::s4u::this_actor::get_pid() : -1;
605 TRACE_smpi_comm_in(my_proc_id, __func__,
606 new simgrid::instr::WaitTIData("wait", MPI_COMM_WORLD->group()->rank((*request)->src()),
607 MPI_COMM_WORLD->group()->rank((*request)->dst()),
610 retval = simgrid::smpi::Request::wait(request, status);
612 //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
613 TRACE_smpi_comm_out(my_proc_id);
614 trace_smpi_wait_recv_helper(&savedreq, status);
615 if (savedreq != MPI_REQUEST_NULL)
616 simgrid::smpi::Request::unref(&savedreq);
622 int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * status)
624 if (index == nullptr)
630 const SmpiBenchGuard suspend_bench;
631 // for tracing, save the handles which might get overridden before we can use the helper on it
632 std::vector<MPI_Request> savedreqs(requests, requests + count);
633 for (MPI_Request& req : savedreqs) {
634 if (req != MPI_REQUEST_NULL && not(req->flags() & (MPI_REQ_FINISHED | MPI_REQ_NBC)))
637 req = MPI_REQUEST_NULL;
640 aid_t rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
641 TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitAny", count));
643 *index = simgrid::smpi::Request::waitany(count, requests, status);
645 if(*index!=MPI_UNDEFINED){
646 trace_smpi_wait_recv_helper(&savedreqs[*index], status);
647 TRACE_smpi_comm_out(rank_traced);
650 for (MPI_Request& req : savedreqs)
651 if (req != MPI_REQUEST_NULL)
652 simgrid::smpi::Request::unref(&req);
657 int PMPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
659 const SmpiBenchGuard suspend_bench;
660 CHECK_COUNT(1, count)
661 // for tracing, save the handles which might get overridden before we can use the helper on it
662 std::vector<MPI_Request> savedreqs(requests, requests + count);
663 for (MPI_Request& req : savedreqs) {
664 if (req != MPI_REQUEST_NULL && not(req->flags() & (MPI_REQ_FINISHED | MPI_REQ_NBC)))
667 req = MPI_REQUEST_NULL;
670 aid_t rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
671 TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitall", count));
673 int retval = simgrid::smpi::Request::waitall(count, requests, status);
675 for (int i = 0; i < count; i++) {
676 trace_smpi_wait_recv_helper(&savedreqs[i], status != MPI_STATUSES_IGNORE ? &status[i] : MPI_STATUS_IGNORE);
678 TRACE_smpi_comm_out(rank_traced);
680 for (MPI_Request& req : savedreqs)
681 if (req != MPI_REQUEST_NULL)
682 simgrid::smpi::Request::unref(&req);
687 int PMPI_Waitsome(int incount, MPI_Request requests[], int *outcount, int *indices, MPI_Status status[])
690 CHECK_COUNT(1, incount)
691 const SmpiBenchGuard suspend_bench;
692 if (outcount == nullptr) {
693 retval = MPI_ERR_ARG;
695 *outcount = simgrid::smpi::Request::waitsome(incount, requests, indices, status);
696 retval = MPI_SUCCESS;
701 int PMPI_Cancel(MPI_Request* request)
705 const SmpiBenchGuard suspend_bench;
706 CHECK_REQUEST_VALID(1)
707 if (*request == MPI_REQUEST_NULL) {
708 retval = MPI_ERR_REQUEST;
710 (*request)->cancel();
711 retval = MPI_SUCCESS;
716 int PMPI_Test_cancelled(const MPI_Status* status, int* flag){
717 if(status==MPI_STATUS_IGNORE){
721 *flag=simgrid::smpi::Status::cancelled(status);
725 int PMPI_Status_set_cancelled(MPI_Status* status, int flag){
726 if(status==MPI_STATUS_IGNORE){
729 simgrid::smpi::Status::set_cancelled(status,flag);
733 int PMPI_Status_set_elements(MPI_Status* status, MPI_Datatype datatype, int count){
734 if(status==MPI_STATUS_IGNORE){
737 simgrid::smpi::Status::set_elements(status,datatype, count);
741 int PMPI_Status_set_elements_x(MPI_Status* status, MPI_Datatype datatype, MPI_Count count){
742 if(status==MPI_STATUS_IGNORE){
745 simgrid::smpi::Status::set_elements(status,datatype, static_cast<int>(count));
749 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){
750 return simgrid::smpi::Request::grequest_start(query_fn, free_fn,cancel_fn, extra_state, request);
753 int PMPI_Grequest_complete( MPI_Request request){
754 return simgrid::smpi::Request::grequest_complete(request);
757 int PMPI_Request_get_status( MPI_Request request, int *flag, MPI_Status *status){
758 if(request==MPI_REQUEST_NULL){
760 simgrid::smpi::Status::empty(status);
762 } else if (flag == nullptr) {
765 return simgrid::smpi::Request::get_status(request,flag,status);
768 MPI_Request PMPI_Request_f2c(MPI_Fint request){
770 return MPI_REQUEST_NULL;
771 return simgrid::smpi::Request::f2c(request);
774 MPI_Fint PMPI_Request_c2f(MPI_Request request) {
775 if(request==MPI_REQUEST_NULL)
777 return request->c2f();