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(), 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", 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", 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", 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", 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", dst,
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 int size = datatype->get_extent() * count;
301 if (bsend_buf == nullptr || bsend_buf_size < size + MPI_BSEND_OVERHEAD)
302 return MPI_ERR_BUFFER;
303 TRACE_smpi_comm_in(my_proc_id, __func__,
304 new simgrid::instr::Pt2PtTIData("bsend", dst,
306 tag, simgrid::smpi::Datatype::encode(datatype)));
307 if (not TRACE_smpi_view_internals()) {
308 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
310 simgrid::smpi::Request::bsend(buf, count, datatype, dst, tag, comm);
311 TRACE_smpi_comm_out(my_proc_id);
315 int PMPI_Ibsend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
319 const SmpiBenchGuard suspend_bench;
320 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
321 aid_t trace_dst = getPid(comm, dst);
322 int bsend_buf_size = 0;
323 void* bsend_buf = nullptr;
324 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
325 int size = datatype->get_extent() * count;
326 if (bsend_buf == nullptr || bsend_buf_size < size + MPI_BSEND_OVERHEAD)
327 return MPI_ERR_BUFFER;
328 TRACE_smpi_comm_in(my_proc_id, __func__,
329 new simgrid::instr::Pt2PtTIData("ibsend", dst,
331 tag, simgrid::smpi::Datatype::encode(datatype)));
332 TRACE_smpi_send(my_proc_id, my_proc_id, trace_dst, tag, count * datatype->size());
333 *request = simgrid::smpi::Request::ibsend(buf, count, datatype, dst, tag, comm);
334 TRACE_smpi_comm_out(my_proc_id);
338 int PMPI_Bsend_init(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
342 const SmpiBenchGuard suspend_bench;
344 int bsend_buf_size = 0;
345 void* bsend_buf = nullptr;
346 smpi_process()->bsend_buffer(&bsend_buf, &bsend_buf_size);
347 if( bsend_buf==nullptr || bsend_buf_size < datatype->get_extent() * count + MPI_BSEND_OVERHEAD ) {
348 retval = MPI_ERR_BUFFER;
350 *request = simgrid::smpi::Request::bsend_init(buf, count, datatype, dst, tag, comm);
351 retval = MPI_SUCCESS;
356 int PMPI_Ssend(const void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
360 const SmpiBenchGuard suspend_bench;
361 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
362 aid_t dst_traced = getPid(comm, dst);
363 TRACE_smpi_comm_in(my_proc_id, __func__,
364 new simgrid::instr::Pt2PtTIData("Ssend", dst,
366 tag, simgrid::smpi::Datatype::encode(datatype)));
367 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, tag, count * datatype->size());
368 simgrid::smpi::Request::ssend(buf, count, datatype, dst, tag, comm);
369 TRACE_smpi_comm_out(my_proc_id);
373 int PMPI_Sendrecv(const void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void* recvbuf,
374 int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status* status)
379 CHECK_COUNT(2, sendcount)
380 CHECK_TYPE(3, sendtype)
381 CHECK_TAG(5, sendtag)
382 CHECK_COUNT(7, recvcount)
383 CHECK_TYPE(8, recvtype)
384 CHECK_BUFFER(1, sendbuf, sendcount, sendtype)
385 CHECK_BUFFER(6, recvbuf, recvcount, recvtype)
386 CHECK_TAG(10, recvtag)
388 const SmpiBenchGuard suspend_bench;
390 if (src == MPI_PROC_NULL) {
391 if(status!=MPI_STATUS_IGNORE){
392 simgrid::smpi::Status::empty(status);
393 status->MPI_SOURCE = MPI_PROC_NULL;
395 if(dst != MPI_PROC_NULL)
396 simgrid::smpi::Request::send(sendbuf, sendcount, sendtype, dst, sendtag, comm);
397 retval = MPI_SUCCESS;
398 } else if (dst == MPI_PROC_NULL){
399 retval = simgrid::smpi::Request::recv(recvbuf, recvcount, recvtype, src, recvtag, comm, status);
400 } else if (dst >= comm->group()->size() || dst <0 ||
401 (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0))){
402 retval = MPI_ERR_RANK;
404 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
405 aid_t dst_traced = getPid(comm, dst);
406 aid_t src_traced = getPid(comm, src);
408 // FIXME: Hack the way to trace this one
409 auto dst_hack = std::make_shared<std::vector<int>>();
410 auto src_hack = std::make_shared<std::vector<int>>();
411 dst_hack->push_back(dst_traced);
412 src_hack->push_back(src_traced);
413 TRACE_smpi_comm_in(my_proc_id, __func__,
414 new simgrid::instr::VarCollTIData(
415 "sendRecv", -1, sendcount,
416 dst_hack, recvcount, src_hack,
417 simgrid::smpi::Datatype::encode(sendtype), simgrid::smpi::Datatype::encode(recvtype)));
419 TRACE_smpi_send(my_proc_id, my_proc_id, dst_traced, sendtag, sendcount * sendtype->size());
421 simgrid::smpi::Request::sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src,
422 recvtag, comm, status);
423 retval = MPI_SUCCESS;
425 TRACE_smpi_recv(src_traced, my_proc_id, recvtag);
426 TRACE_smpi_comm_out(my_proc_id);
432 int PMPI_Sendrecv_replace(void* buf, int count, MPI_Datatype datatype, int dst, int sendtag, int src, int recvtag,
433 MPI_Comm comm, MPI_Status* status)
437 CHECK_COUNT(2, count)
438 CHECK_TYPE(3, datatype)
439 CHECK_BUFFER(1, buf, count, datatype)
441 int size = datatype->get_extent() * count;
442 xbt_assert(size > 0);
443 std::vector<char> recvbuf(size);
445 MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf.data(), count, datatype, src, recvtag, comm, status);
446 if(retval==MPI_SUCCESS){
447 simgrid::smpi::Datatype::copy(recvbuf.data(), count, datatype, buf, count, datatype);
452 int PMPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
455 const SmpiBenchGuard suspend_bench;
456 if (request == nullptr || flag == nullptr) {
457 retval = MPI_ERR_ARG;
458 } else if (*request == MPI_REQUEST_NULL) {
459 if (status != MPI_STATUS_IGNORE){
461 simgrid::smpi::Status::empty(status);
463 retval = MPI_SUCCESS;
465 aid_t my_proc_id = ((*request)->comm() != MPI_COMM_NULL) ? simgrid::s4u::this_actor::get_pid() : -1;
467 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("test"));
468 retval = simgrid::smpi::Request::test(request,status, flag);
470 TRACE_smpi_comm_out(my_proc_id);
475 int PMPI_Testany(int count, MPI_Request requests[], int *index, int *flag, MPI_Status * status)
478 CHECK_COUNT(1, count)
479 const SmpiBenchGuard suspend_bench;
480 if (index == nullptr || flag == nullptr) {
481 retval = MPI_ERR_ARG;
483 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
484 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testany"));
485 retval = simgrid::smpi::Request::testany(count, requests, index, flag, status);
486 TRACE_smpi_comm_out(my_proc_id);
491 int PMPI_Testall(int count, MPI_Request* requests, int* flag, MPI_Status* statuses)
494 CHECK_COUNT(1, count)
495 const SmpiBenchGuard suspend_bench;
496 if (flag == nullptr) {
497 retval = MPI_ERR_ARG;
499 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
500 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testall"));
501 retval = simgrid::smpi::Request::testall(count, requests, flag, statuses);
502 TRACE_smpi_comm_out(my_proc_id);
507 int PMPI_Testsome(int incount, MPI_Request requests[], int* outcount, int* indices, MPI_Status status[])
510 CHECK_COUNT(1, incount)
511 const SmpiBenchGuard suspend_bench;
512 if (outcount == nullptr) {
513 retval = MPI_ERR_ARG;
515 aid_t my_proc_id = simgrid::s4u::this_actor::get_pid();
516 TRACE_smpi_comm_in(my_proc_id, __func__, new simgrid::instr::NoOpTIData("testsome"));
517 retval = simgrid::smpi::Request::testsome(incount, requests, outcount, indices, status);
518 TRACE_smpi_comm_out(my_proc_id);
523 int PMPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status* status) {
525 const SmpiBenchGuard suspend_bench;
528 if(source!=MPI_ANY_SOURCE && source!=MPI_PROC_NULL)\
529 CHECK_RANK(1, source, comm)
531 if (source == MPI_PROC_NULL) {
532 if (status != MPI_STATUS_IGNORE){
533 simgrid::smpi::Status::empty(status);
534 status->MPI_SOURCE = MPI_PROC_NULL;
536 retval = MPI_SUCCESS;
538 simgrid::smpi::Request::probe(source, tag, comm, status);
539 retval = MPI_SUCCESS;
544 int PMPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status) {
546 const SmpiBenchGuard suspend_bench;
548 if(source!=MPI_ANY_SOURCE && source!=MPI_PROC_NULL)\
549 CHECK_RANK(1, source, comm)
551 if (flag == nullptr) {
552 retval = MPI_ERR_ARG;
553 } else if (source == MPI_PROC_NULL) {
555 if (status != MPI_STATUS_IGNORE){
556 simgrid::smpi::Status::empty(status);
557 status->MPI_SOURCE = MPI_PROC_NULL;
559 retval = MPI_SUCCESS;
561 simgrid::smpi::Request::iprobe(source, tag, comm, flag, status);
562 retval = MPI_SUCCESS;
567 static void trace_smpi_wait_recv_helper(MPI_Request* request, MPI_Status* status)
569 const simgrid::smpi::Request* req = *request;
570 // Requests already received are null. Is this request a wait for RECV?
571 if (req != MPI_REQUEST_NULL && (req->flags() & MPI_REQ_RECV)) {
572 aid_t src_traced = req->src();
573 aid_t dst_traced = req->dst();
574 // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
575 if (src_traced == MPI_ANY_SOURCE && status != MPI_STATUS_IGNORE)
576 src_traced = req->comm()->group()->actor(status->MPI_SOURCE);
577 TRACE_smpi_recv(src_traced, dst_traced, req->tag());
581 int PMPI_Wait(MPI_Request * request, MPI_Status * status)
585 const SmpiBenchGuard suspend_bench;
587 simgrid::smpi::Status::empty(status);
589 CHECK_NULL(1, MPI_ERR_ARG, request)
590 if (*request == MPI_REQUEST_NULL) {
591 retval = MPI_SUCCESS;
593 // for tracing, save the handle which might get overridden before we can use the helper on it
594 MPI_Request savedreq = *request;
595 if (not(savedreq->flags() & (MPI_REQ_FINISHED | MPI_REQ_GENERALIZED | MPI_REQ_NBC)))
596 savedreq->ref();//don't erase the handle in Request::wait, we'll need it later
598 savedreq = MPI_REQUEST_NULL;
600 aid_t my_proc_id = (*request)->comm() != MPI_COMM_NULL ? simgrid::s4u::this_actor::get_pid() : -1;
601 TRACE_smpi_comm_in(my_proc_id, __func__,
602 new simgrid::instr::WaitTIData(MPI_COMM_WORLD->group()->rank((*request)->src()),
603 MPI_COMM_WORLD->group()->rank((*request)->dst()),
606 retval = simgrid::smpi::Request::wait(request, status);
608 //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
609 TRACE_smpi_comm_out(my_proc_id);
610 trace_smpi_wait_recv_helper(&savedreq, status);
611 if (savedreq != MPI_REQUEST_NULL)
612 simgrid::smpi::Request::unref(&savedreq);
618 int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * status)
620 if (index == nullptr)
626 const SmpiBenchGuard suspend_bench;
627 // for tracing, save the handles which might get overridden before we can use the helper on it
628 std::vector<MPI_Request> savedreqs(requests, requests + count);
629 for (MPI_Request& req : savedreqs) {
630 if (req != MPI_REQUEST_NULL && not(req->flags() & (MPI_REQ_FINISHED | MPI_REQ_NBC)))
633 req = MPI_REQUEST_NULL;
636 aid_t rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
637 TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitAny", count));
639 *index = simgrid::smpi::Request::waitany(count, requests, status);
641 if(*index!=MPI_UNDEFINED){
642 trace_smpi_wait_recv_helper(&savedreqs[*index], status);
643 TRACE_smpi_comm_out(rank_traced);
646 for (MPI_Request& req : savedreqs)
647 if (req != MPI_REQUEST_NULL)
648 simgrid::smpi::Request::unref(&req);
653 int PMPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
655 const SmpiBenchGuard suspend_bench;
656 CHECK_COUNT(1, count)
657 // for tracing, save the handles which might get overridden before we can use the helper on it
658 std::vector<MPI_Request> savedreqs(requests, requests + count);
659 for (MPI_Request& req : savedreqs) {
660 if (req != MPI_REQUEST_NULL && not(req->flags() & (MPI_REQ_FINISHED | MPI_REQ_NBC)))
663 req = MPI_REQUEST_NULL;
666 aid_t rank_traced = simgrid::s4u::this_actor::get_pid(); // FIXME: In PMPI_Wait, we check if the comm is null?
667 TRACE_smpi_comm_in(rank_traced, __func__, new simgrid::instr::CpuTIData("waitall", count));
669 int retval = simgrid::smpi::Request::waitall(count, requests, status);
671 for (int i = 0; i < count; i++) {
672 trace_smpi_wait_recv_helper(&savedreqs[i], status != MPI_STATUSES_IGNORE ? &status[i] : MPI_STATUS_IGNORE);
674 TRACE_smpi_comm_out(rank_traced);
676 for (MPI_Request& req : savedreqs)
677 if (req != MPI_REQUEST_NULL)
678 simgrid::smpi::Request::unref(&req);
683 int PMPI_Waitsome(int incount, MPI_Request requests[], int *outcount, int *indices, MPI_Status status[])
686 CHECK_COUNT(1, incount)
687 const SmpiBenchGuard suspend_bench;
688 if (outcount == nullptr) {
689 retval = MPI_ERR_ARG;
691 *outcount = simgrid::smpi::Request::waitsome(incount, requests, indices, status);
692 retval = MPI_SUCCESS;
697 int PMPI_Cancel(MPI_Request* request)
701 const SmpiBenchGuard suspend_bench;
702 CHECK_REQUEST_VALID(1)
703 if (*request == MPI_REQUEST_NULL) {
704 retval = MPI_ERR_REQUEST;
706 (*request)->cancel();
707 retval = MPI_SUCCESS;
712 int PMPI_Test_cancelled(const MPI_Status* status, int* flag){
713 if(status==MPI_STATUS_IGNORE){
717 *flag=simgrid::smpi::Status::cancelled(status);
721 int PMPI_Status_set_cancelled(MPI_Status* status, int flag){
722 if(status==MPI_STATUS_IGNORE){
725 simgrid::smpi::Status::set_cancelled(status,flag);
729 int PMPI_Status_set_elements(MPI_Status* status, MPI_Datatype datatype, int count){
730 if(status==MPI_STATUS_IGNORE){
733 simgrid::smpi::Status::set_elements(status,datatype, count);
737 int PMPI_Status_set_elements_x(MPI_Status* status, MPI_Datatype datatype, MPI_Count count){
738 if(status==MPI_STATUS_IGNORE){
741 simgrid::smpi::Status::set_elements(status,datatype, static_cast<int>(count));
745 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){
746 return simgrid::smpi::Request::grequest_start(query_fn, free_fn,cancel_fn, extra_state, request);
749 int PMPI_Grequest_complete( MPI_Request request){
750 return simgrid::smpi::Request::grequest_complete(request);
753 int PMPI_Request_get_status( MPI_Request request, int *flag, MPI_Status *status){
754 if(request==MPI_REQUEST_NULL){
756 simgrid::smpi::Status::empty(status);
758 } else if (flag == nullptr) {
761 return simgrid::smpi::Request::get_status(request,flag,status);
764 MPI_Request PMPI_Request_f2c(MPI_Fint request){
766 return MPI_REQUEST_NULL;
767 return simgrid::smpi::Request::f2c(request);
770 MPI_Fint PMPI_Request_c2f(MPI_Request request) {
771 if(request==MPI_REQUEST_NULL)
773 return request->c2f();