1 /* Copyright (c) 2007-2017. 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_process.hpp"
10 #include "smpi_request.hpp"
12 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(smpi_pmpi);
14 /* PMPI User level calls */
15 extern "C" { // Obviously, the C MPI interface should use the C linkage
17 int PMPI_Send_init(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request * request)
22 if (request == nullptr) {
24 } else if (comm == MPI_COMM_NULL) {
25 retval = MPI_ERR_COMM;
26 } else if (not datatype->is_valid()) {
27 retval = MPI_ERR_TYPE;
28 } else if (dst == MPI_PROC_NULL) {
31 *request = simgrid::smpi::Request::send_init(buf, count, datatype, dst, tag, comm);
35 if (retval != MPI_SUCCESS && request != nullptr)
36 *request = MPI_REQUEST_NULL;
40 int PMPI_Recv_init(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request * request)
45 if (request == nullptr) {
47 } else if (comm == MPI_COMM_NULL) {
48 retval = MPI_ERR_COMM;
49 } else if (not datatype->is_valid()) {
50 retval = MPI_ERR_TYPE;
51 } else if (src == MPI_PROC_NULL) {
54 *request = simgrid::smpi::Request::recv_init(buf, count, datatype, src, tag, comm);
58 if (retval != MPI_SUCCESS && request != nullptr)
59 *request = MPI_REQUEST_NULL;
63 int PMPI_Ssend_init(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
68 if (request == nullptr) {
70 } else if (comm == MPI_COMM_NULL) {
71 retval = MPI_ERR_COMM;
72 } else if (not datatype->is_valid()) {
73 retval = MPI_ERR_TYPE;
74 } else if (dst == MPI_PROC_NULL) {
77 *request = simgrid::smpi::Request::ssend_init(buf, count, datatype, dst, tag, comm);
81 if (retval != MPI_SUCCESS && request != nullptr)
82 *request = MPI_REQUEST_NULL;
86 int PMPI_Start(MPI_Request * request)
91 if (request == nullptr || *request == MPI_REQUEST_NULL) {
92 retval = MPI_ERR_REQUEST;
101 int PMPI_Startall(int count, MPI_Request * requests)
105 if (requests == nullptr) {
106 retval = MPI_ERR_ARG;
108 retval = MPI_SUCCESS;
109 for (int i = 0; i < count; i++) {
110 if(requests[i] == MPI_REQUEST_NULL) {
111 retval = MPI_ERR_REQUEST;
114 if(retval != MPI_ERR_REQUEST) {
115 simgrid::smpi::Request::startall(count, requests);
122 int PMPI_Request_free(MPI_Request * request)
127 if (*request == MPI_REQUEST_NULL) {
128 retval = MPI_ERR_ARG;
130 simgrid::smpi::Request::unref(request);
131 retval = MPI_SUCCESS;
137 int PMPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request * request)
143 if (request == nullptr) {
144 retval = MPI_ERR_ARG;
145 } else if (comm == MPI_COMM_NULL) {
146 retval = MPI_ERR_COMM;
147 } else if (src == MPI_PROC_NULL) {
148 *request = MPI_REQUEST_NULL;
149 retval = MPI_SUCCESS;
150 } else if (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0)){
151 retval = MPI_ERR_RANK;
152 } else if ((count < 0) || (buf==nullptr && count > 0)) {
153 retval = MPI_ERR_COUNT;
154 } else if (not datatype->is_valid()) {
155 retval = MPI_ERR_TYPE;
156 } else if(tag<0 && tag != MPI_ANY_TAG){
157 retval = MPI_ERR_TAG;
160 int rank = smpi_process()->index();
161 int src_traced = comm->group()->index(src);
163 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
164 extra->type = TRACING_IRECV;
165 extra->src = src_traced;
167 extra->datatype1 = encode_datatype(datatype);
168 extra->send_size = datatype->is_basic() ? count : count * datatype->size();
169 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
171 *request = simgrid::smpi::Request::irecv(buf, count, datatype, src, tag, comm);
172 retval = MPI_SUCCESS;
174 TRACE_smpi_ptp_out(rank);
178 if (retval != MPI_SUCCESS && request != nullptr)
179 *request = MPI_REQUEST_NULL;
184 int PMPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request * request)
189 if (request == nullptr) {
190 retval = MPI_ERR_ARG;
191 } else if (comm == MPI_COMM_NULL) {
192 retval = MPI_ERR_COMM;
193 } else if (dst == MPI_PROC_NULL) {
194 *request = MPI_REQUEST_NULL;
195 retval = MPI_SUCCESS;
196 } else if (dst >= comm->group()->size() || dst <0){
197 retval = MPI_ERR_RANK;
198 } else if ((count < 0) || (buf==nullptr && count > 0)) {
199 retval = MPI_ERR_COUNT;
200 } else if (not datatype->is_valid()) {
201 retval = MPI_ERR_TYPE;
202 } else if(tag<0 && tag != MPI_ANY_TAG){
203 retval = MPI_ERR_TAG;
205 int rank = smpi_process()->index();
206 int dst_traced = comm->group()->index(dst);
207 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
208 extra->type = TRACING_ISEND;
210 extra->dst = dst_traced;
211 extra->datatype1 = encode_datatype(datatype);
212 extra->send_size = datatype->is_basic() ? count : count * datatype->size();
213 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
214 TRACE_smpi_send(rank, rank, dst_traced, tag, count*datatype->size());
216 *request = simgrid::smpi::Request::isend(buf, count, datatype, dst, tag, comm);
217 retval = MPI_SUCCESS;
219 TRACE_smpi_ptp_out(rank);
223 if (retval != MPI_SUCCESS && request!=nullptr)
224 *request = MPI_REQUEST_NULL;
228 int PMPI_Issend(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request)
233 if (request == nullptr) {
234 retval = MPI_ERR_ARG;
235 } else if (comm == MPI_COMM_NULL) {
236 retval = MPI_ERR_COMM;
237 } else if (dst == MPI_PROC_NULL) {
238 *request = MPI_REQUEST_NULL;
239 retval = MPI_SUCCESS;
240 } else if (dst >= comm->group()->size() || dst <0){
241 retval = MPI_ERR_RANK;
242 } else if ((count < 0)|| (buf==nullptr && count > 0)) {
243 retval = MPI_ERR_COUNT;
244 } else if (not datatype->is_valid()) {
245 retval = MPI_ERR_TYPE;
246 } else if(tag<0 && tag != MPI_ANY_TAG){
247 retval = MPI_ERR_TAG;
249 int rank = smpi_process()->index();
250 int dst_traced = comm->group()->index(dst);
251 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
252 extra->type = TRACING_ISSEND;
254 extra->dst = dst_traced;
255 extra->datatype1 = encode_datatype(datatype);
256 extra->send_size = datatype->is_basic() ? count : count * datatype->size();
257 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
258 TRACE_smpi_send(rank, rank, dst_traced, tag, count*datatype->size());
260 *request = simgrid::smpi::Request::issend(buf, count, datatype, dst, tag, comm);
261 retval = MPI_SUCCESS;
263 TRACE_smpi_ptp_out(rank);
267 if (retval != MPI_SUCCESS && request!=nullptr)
268 *request = MPI_REQUEST_NULL;
272 int PMPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status * status)
277 if (comm == MPI_COMM_NULL) {
278 retval = MPI_ERR_COMM;
279 } else if (src == MPI_PROC_NULL) {
280 simgrid::smpi::Status::empty(status);
281 status->MPI_SOURCE = MPI_PROC_NULL;
282 retval = MPI_SUCCESS;
283 } else if (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0)){
284 retval = MPI_ERR_RANK;
285 } else if ((count < 0) || (buf==nullptr && count > 0)) {
286 retval = MPI_ERR_COUNT;
287 } else if (not datatype->is_valid()) {
288 retval = MPI_ERR_TYPE;
289 } else if(tag<0 && tag != MPI_ANY_TAG){
290 retval = MPI_ERR_TAG;
292 int rank = smpi_process()->index();
293 int src_traced = comm->group()->index(src);
294 instr_extra_data extra = xbt_new0(s_instr_extra_data_t, 1);
295 extra->type = TRACING_RECV;
296 extra->src = src_traced;
298 extra->datatype1 = encode_datatype(datatype);
299 extra->send_size = datatype->is_basic() ? count : count * datatype->size();
300 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
302 simgrid::smpi::Request::recv(buf, count, datatype, src, tag, comm, status);
303 retval = MPI_SUCCESS;
305 // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
306 if (status != MPI_STATUS_IGNORE) {
307 src_traced = comm->group()->index(status->MPI_SOURCE);
308 if (not TRACE_smpi_view_internals()) {
309 TRACE_smpi_recv(src_traced, rank, tag);
312 TRACE_smpi_ptp_out(rank);
319 int PMPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
325 if (comm == MPI_COMM_NULL) {
326 retval = MPI_ERR_COMM;
327 } else if (dst == MPI_PROC_NULL) {
328 retval = MPI_SUCCESS;
329 } else if (dst >= comm->group()->size() || dst <0){
330 retval = MPI_ERR_RANK;
331 } else if ((count < 0) || (buf == nullptr && count > 0)) {
332 retval = MPI_ERR_COUNT;
333 } else if (not datatype->is_valid()) {
334 retval = MPI_ERR_TYPE;
335 } else if(tag < 0 && tag != MPI_ANY_TAG){
336 retval = MPI_ERR_TAG;
338 int rank = smpi_process()->index();
339 int dst_traced = comm->group()->index(dst);
340 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
341 extra->type = TRACING_SEND;
343 extra->dst = dst_traced;
344 extra->datatype1 = encode_datatype(datatype);
345 extra->send_size = datatype->is_basic() ? count : count * datatype->size();
346 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
347 if (not TRACE_smpi_view_internals()) {
348 TRACE_smpi_send(rank, rank, dst_traced, tag,count*datatype->size());
351 simgrid::smpi::Request::send(buf, count, datatype, dst, tag, comm);
352 retval = MPI_SUCCESS;
354 TRACE_smpi_ptp_out(rank);
361 int PMPI_Ssend(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm) {
366 if (comm == MPI_COMM_NULL) {
367 retval = MPI_ERR_COMM;
368 } else if (dst == MPI_PROC_NULL) {
369 retval = MPI_SUCCESS;
370 } else if (dst >= comm->group()->size() || dst <0){
371 retval = MPI_ERR_RANK;
372 } else if ((count < 0) || (buf==nullptr && count > 0)) {
373 retval = MPI_ERR_COUNT;
374 } else if (not datatype->is_valid()) {
375 retval = MPI_ERR_TYPE;
376 } else if(tag<0 && tag != MPI_ANY_TAG){
377 retval = MPI_ERR_TAG;
379 int rank = smpi_process()->index();
380 int dst_traced = comm->group()->index(dst);
381 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
382 extra->type = TRACING_SSEND;
384 extra->dst = dst_traced;
385 extra->datatype1 = encode_datatype(datatype);
386 extra->send_size = datatype->is_basic() ? count : count * datatype->size();
388 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
389 TRACE_smpi_send(rank, rank, dst_traced, tag,count*datatype->size());
391 simgrid::smpi::Request::ssend(buf, count, datatype, dst, tag, comm);
392 retval = MPI_SUCCESS;
394 TRACE_smpi_ptp_out(rank);
401 int PMPI_Sendrecv(void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void* recvbuf,
402 int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status* status)
408 if (comm == MPI_COMM_NULL) {
409 retval = MPI_ERR_COMM;
410 } else if (not sendtype->is_valid() || not recvtype->is_valid()) {
411 retval = MPI_ERR_TYPE;
412 } else if (src == MPI_PROC_NULL || dst == MPI_PROC_NULL) {
413 simgrid::smpi::Status::empty(status);
414 status->MPI_SOURCE = MPI_PROC_NULL;
415 retval = MPI_SUCCESS;
416 }else if (dst >= comm->group()->size() || dst <0 ||
417 (src!=MPI_ANY_SOURCE && (src >= comm->group()->size() || src <0))){
418 retval = MPI_ERR_RANK;
419 } else if ((sendcount < 0 || recvcount<0) ||
420 (sendbuf==nullptr && sendcount > 0) || (recvbuf==nullptr && recvcount>0)) {
421 retval = MPI_ERR_COUNT;
422 } else if((sendtag<0 && sendtag != MPI_ANY_TAG)||(recvtag<0 && recvtag != MPI_ANY_TAG)){
423 retval = MPI_ERR_TAG;
425 int rank = smpi_process()->index();
426 int dst_traced = comm->group()->index(dst);
427 int src_traced = comm->group()->index(src);
428 instr_extra_data extra = xbt_new0(s_instr_extra_data_t, 1);
429 extra->type = TRACING_SENDRECV;
430 extra->src = src_traced;
431 extra->dst = dst_traced;
432 extra->datatype1 = encode_datatype(sendtype);
433 extra->send_size = sendtype->is_basic() ? sendcount : sendcount * sendtype->size();
434 extra->datatype2 = encode_datatype(recvtype);
435 extra->recv_size = recvtype->is_basic() ? recvcount : recvcount * recvtype->size();
437 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
438 TRACE_smpi_send(rank, rank, dst_traced, sendtag, sendcount * sendtype->size());
440 simgrid::smpi::Request::sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src,
441 recvtag, comm, status);
442 retval = MPI_SUCCESS;
444 TRACE_smpi_ptp_out(rank);
445 TRACE_smpi_recv(src_traced, rank, recvtag);
452 int PMPI_Sendrecv_replace(void* buf, int count, MPI_Datatype datatype, int dst, int sendtag, int src, int recvtag,
453 MPI_Comm comm, MPI_Status* status)
456 if (not datatype->is_valid()) {
458 } else if (count < 0) {
459 return MPI_ERR_COUNT;
461 int size = datatype->get_extent() * count;
462 void* recvbuf = xbt_new0(char, size);
463 retval = MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf, count, datatype, src, recvtag, comm, status);
464 if(retval==MPI_SUCCESS){
465 simgrid::smpi::Datatype::copy(recvbuf, count, datatype, buf, count, datatype);
473 int PMPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
477 if (request == nullptr || flag == nullptr) {
478 retval = MPI_ERR_ARG;
479 } else if (*request == MPI_REQUEST_NULL) {
481 simgrid::smpi::Status::empty(status);
482 retval = MPI_SUCCESS;
484 int rank = ((*request)->comm() != MPI_COMM_NULL) ? smpi_process()->index() : -1;
486 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
487 extra->type = TRACING_TEST;
488 TRACE_smpi_testing_in(rank, extra);
490 *flag = simgrid::smpi::Request::test(request,status);
492 TRACE_smpi_testing_out(rank);
493 retval = MPI_SUCCESS;
499 int PMPI_Testany(int count, MPI_Request requests[], int *index, int *flag, MPI_Status * status)
504 if (index == nullptr || flag == nullptr) {
505 retval = MPI_ERR_ARG;
507 *flag = simgrid::smpi::Request::testany(count, requests, index, status);
508 retval = MPI_SUCCESS;
514 int PMPI_Testall(int count, MPI_Request* requests, int* flag, MPI_Status* statuses)
519 if (flag == nullptr) {
520 retval = MPI_ERR_ARG;
522 *flag = simgrid::smpi::Request::testall(count, requests, statuses);
523 retval = MPI_SUCCESS;
529 int PMPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status* status) {
533 if (status == nullptr) {
534 retval = MPI_ERR_ARG;
535 } else if (comm == MPI_COMM_NULL) {
536 retval = MPI_ERR_COMM;
537 } else if (source == MPI_PROC_NULL) {
538 simgrid::smpi::Status::empty(status);
539 status->MPI_SOURCE = MPI_PROC_NULL;
540 retval = MPI_SUCCESS;
542 simgrid::smpi::Request::probe(source, tag, comm, status);
543 retval = MPI_SUCCESS;
549 int PMPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status) {
553 if (flag == nullptr) {
554 retval = MPI_ERR_ARG;
555 } else if (comm == MPI_COMM_NULL) {
556 retval = MPI_ERR_COMM;
557 } else if (source == MPI_PROC_NULL) {
559 simgrid::smpi::Status::empty(status);
560 status->MPI_SOURCE = MPI_PROC_NULL;
561 retval = MPI_SUCCESS;
563 simgrid::smpi::Request::iprobe(source, tag, comm, flag, status);
564 retval = MPI_SUCCESS;
570 int PMPI_Wait(MPI_Request * request, MPI_Status * status)
576 simgrid::smpi::Status::empty(status);
578 if (request == nullptr) {
579 retval = MPI_ERR_ARG;
580 } else if (*request == MPI_REQUEST_NULL) {
581 retval = MPI_SUCCESS;
583 int rank = (*request)->comm() != MPI_COMM_NULL ? smpi_process()->index() : -1;
585 int src_traced = (*request)->src();
586 int dst_traced = (*request)->dst();
587 int tag_traced= (*request)->tag();
588 MPI_Comm comm = (*request)->comm();
589 int is_wait_for_receive = ((*request)->flags() & RECV);
590 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
591 extra->type = TRACING_WAIT;
592 TRACE_smpi_ptp_in(rank, __FUNCTION__, extra);
594 simgrid::smpi::Request::wait(request, status);
595 retval = MPI_SUCCESS;
597 //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
598 TRACE_smpi_ptp_out(rank);
599 if (is_wait_for_receive) {
600 if(src_traced==MPI_ANY_SOURCE)
601 src_traced = (status != MPI_STATUS_IGNORE) ? comm->group()->rank(status->MPI_SOURCE) : src_traced;
602 TRACE_smpi_recv(src_traced, dst_traced, tag_traced);
610 int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * status)
612 if (index == nullptr)
619 //save requests information for tracing
620 struct savedvalstype {
627 savedvalstype* savedvals = xbt_new0(savedvalstype, count);
629 for (int i = 0; i < count; i++) {
630 MPI_Request req = requests[i]; //already received requests are no longer valid
632 savedvals[i]=(savedvalstype){req->src(), req->dst(), (req->flags() & RECV), req->tag(), req->comm()};
635 int rank_traced = smpi_process()->index();
636 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
637 extra->type = TRACING_WAITANY;
638 extra->send_size=count;
639 TRACE_smpi_ptp_in(rank_traced, __FUNCTION__,extra);
641 *index = simgrid::smpi::Request::waitany(count, requests, status);
643 if(*index!=MPI_UNDEFINED){
644 int src_traced = savedvals[*index].src;
645 //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
646 int dst_traced = savedvals[*index].dst;
647 int is_wait_for_receive = savedvals[*index].recv;
648 if (is_wait_for_receive) {
649 if(savedvals[*index].src==MPI_ANY_SOURCE)
650 src_traced = (status != MPI_STATUSES_IGNORE) ? savedvals[*index].comm->group()->rank(status->MPI_SOURCE)
651 : savedvals[*index].src;
652 TRACE_smpi_recv(src_traced, dst_traced, savedvals[*index].tag);
654 TRACE_smpi_ptp_out(rank_traced);
662 int PMPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
665 //save information from requests
666 struct savedvalstype {
674 savedvalstype* savedvals=xbt_new0(savedvalstype, count);
676 for (int i = 0; i < count; i++) {
677 MPI_Request req = requests[i];
678 if(req!=MPI_REQUEST_NULL){
679 savedvals[i]=(savedvalstype){req->src(), req->dst(), (req->flags() & RECV), req->tag(), 1, req->comm()};
681 savedvals[i].valid=0;
684 int rank_traced = smpi_process()->index();
685 instr_extra_data extra = xbt_new0(s_instr_extra_data_t,1);
686 extra->type = TRACING_WAITALL;
687 extra->send_size=count;
688 TRACE_smpi_ptp_in(rank_traced, __FUNCTION__,extra);
690 int retval = simgrid::smpi::Request::waitall(count, requests, status);
692 for (int i = 0; i < count; i++) {
693 if(savedvals[i].valid){
694 // the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
695 int src_traced = savedvals[i].src;
696 int dst_traced = savedvals[i].dst;
697 int is_wait_for_receive = savedvals[i].recv;
698 if (is_wait_for_receive) {
699 if(src_traced==MPI_ANY_SOURCE)
700 src_traced = (status != MPI_STATUSES_IGNORE) ? savedvals[i].comm->group()->rank(status[i].MPI_SOURCE)
702 TRACE_smpi_recv(src_traced, dst_traced,savedvals[i].tag);
706 TRACE_smpi_ptp_out(rank_traced);
713 int PMPI_Waitsome(int incount, MPI_Request requests[], int *outcount, int *indices, MPI_Status status[])
718 if (outcount == nullptr) {
719 retval = MPI_ERR_ARG;
721 *outcount = simgrid::smpi::Request::waitsome(incount, requests, indices, status);
722 retval = MPI_SUCCESS;
728 int PMPI_Testsome(int incount, MPI_Request requests[], int* outcount, int* indices, MPI_Status status[])
733 if (outcount == nullptr) {
734 retval = MPI_ERR_ARG;
736 *outcount = simgrid::smpi::Request::testsome(incount, requests, indices, status);
737 retval = MPI_SUCCESS;
743 MPI_Request PMPI_Request_f2c(MPI_Fint request){
744 return static_cast<MPI_Request>(simgrid::smpi::Request::f2c(request));
747 MPI_Fint PMPI_Request_c2f(MPI_Request request) {
748 return request->c2f();