1 /* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
8 #include "smpi_mpi_dt_private.h"
10 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_pmpi, smpi,
11 "Logging specific to SMPI (pmpi)");
14 //this function need to be here because of the calls to smpi_bench
15 void TRACE_smpi_set_category(const char *category)
17 //need to end bench otherwise categories for execution tasks are wrong
19 TRACE_internal_smpi_set_category (category);
20 //begin bench after changing process's category
25 /* PMPI User level calls */
27 int PMPI_Init(int *argc, char ***argv)
29 smpi_process_init(argc, argv);
31 int rank = smpi_process_index();
32 TRACE_smpi_init(rank);
34 TRACE_smpi_computing_init(rank);
40 int PMPI_Finalize(void)
42 smpi_process_finalize();
45 int rank = smpi_process_index();
46 TRACE_smpi_computing_out(rank);
47 TRACE_smpi_finalize(smpi_process_index());
49 smpi_process_destroy();
53 int PMPI_Init_thread(int *argc, char ***argv, int required, int *provided)
55 if (provided != NULL) {
56 *provided = MPI_THREAD_MULTIPLE;
58 return MPI_Init(argc, argv);
61 int PMPI_Query_thread(int *provided)
66 if (provided == NULL) {
69 *provided = MPI_THREAD_MULTIPLE;
76 int PMPI_Is_thread_main(int *flag)
84 *flag = smpi_process_index() == 0;
91 int PMPI_Abort(MPI_Comm comm, int errorcode)
94 smpi_process_destroy();
96 int rank = smpi_process_index();
97 TRACE_smpi_computing_out(rank);
99 // FIXME: should kill all processes in comm instead
100 simcall_process_kill(SIMIX_process_self());
104 double PMPI_Wtime(void)
109 time = SIMIX_get_clock();
113 extern double sg_maxmin_precision;
114 double PMPI_Wtick(void)
116 return sg_maxmin_precision;
119 int PMPI_Address(void *location, MPI_Aint * address)
125 retval = MPI_ERR_ARG;
127 *address = (MPI_Aint) location;
128 retval = MPI_SUCCESS;
134 int PMPI_Type_free(MPI_Datatype * datatype)
140 retval = MPI_ERR_ARG;
142 smpi_datatype_free(datatype);
143 retval = MPI_SUCCESS;
149 int PMPI_Type_size(MPI_Datatype datatype, int *size)
154 if (datatype == MPI_DATATYPE_NULL) {
155 retval = MPI_ERR_TYPE;
156 } else if (size == NULL) {
157 retval = MPI_ERR_ARG;
159 *size = (int) smpi_datatype_size(datatype);
160 retval = MPI_SUCCESS;
166 int PMPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint * lb, MPI_Aint * extent)
171 if (datatype == MPI_DATATYPE_NULL) {
172 retval = MPI_ERR_TYPE;
173 } else if (lb == NULL || extent == NULL) {
174 retval = MPI_ERR_ARG;
176 retval = smpi_datatype_extent(datatype, lb, extent);
182 int PMPI_Type_extent(MPI_Datatype datatype, MPI_Aint * extent)
187 if (datatype == MPI_DATATYPE_NULL) {
188 retval = MPI_ERR_TYPE;
189 } else if (extent == NULL) {
190 retval = MPI_ERR_ARG;
192 *extent = smpi_datatype_get_extent(datatype);
193 retval = MPI_SUCCESS;
199 int PMPI_Type_lb(MPI_Datatype datatype, MPI_Aint * disp)
204 if (datatype == MPI_DATATYPE_NULL) {
205 retval = MPI_ERR_TYPE;
206 } else if (disp == NULL) {
207 retval = MPI_ERR_ARG;
209 *disp = smpi_datatype_lb(datatype);
210 retval = MPI_SUCCESS;
216 int PMPI_Type_ub(MPI_Datatype datatype, MPI_Aint * disp)
221 if (datatype == MPI_DATATYPE_NULL) {
222 retval = MPI_ERR_TYPE;
223 } else if (disp == NULL) {
224 retval = MPI_ERR_ARG;
226 *disp = smpi_datatype_ub(datatype);
227 retval = MPI_SUCCESS;
233 int PMPI_Op_create(MPI_User_function * function, int commute, MPI_Op * op)
238 if (function == NULL || op == NULL) {
239 retval = MPI_ERR_ARG;
241 *op = smpi_op_new(function, commute);
242 retval = MPI_SUCCESS;
248 int PMPI_Op_free(MPI_Op * op)
254 retval = MPI_ERR_ARG;
255 } else if (*op == MPI_OP_NULL) {
258 smpi_op_destroy(*op);
260 retval = MPI_SUCCESS;
266 int PMPI_Group_free(MPI_Group * group)
272 retval = MPI_ERR_ARG;
274 if(*group!= smpi_comm_group(MPI_COMM_WORLD))// do not free the group of the comm_world
275 smpi_group_destroy(*group);
276 *group = MPI_GROUP_NULL;
277 retval = MPI_SUCCESS;
283 int PMPI_Group_size(MPI_Group group, int *size)
288 if (group == MPI_GROUP_NULL) {
289 retval = MPI_ERR_GROUP;
290 } else if (size == NULL) {
291 retval = MPI_ERR_ARG;
293 *size = smpi_group_size(group);
294 retval = MPI_SUCCESS;
300 int PMPI_Group_rank(MPI_Group group, int *rank)
305 if (group == MPI_GROUP_NULL) {
306 retval = MPI_ERR_GROUP;
307 } else if (rank == NULL) {
308 retval = MPI_ERR_ARG;
310 *rank = smpi_group_rank(group, smpi_process_index());
311 retval = MPI_SUCCESS;
317 int PMPI_Group_translate_ranks(MPI_Group group1, int n, int *ranks1,
318 MPI_Group group2, int *ranks2)
320 int retval, i, index;
323 if (group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
324 retval = MPI_ERR_GROUP;
326 for (i = 0; i < n; i++) {
327 index = smpi_group_index(group1, ranks1[i]);
328 ranks2[i] = smpi_group_rank(group2, index);
330 retval = MPI_SUCCESS;
336 int PMPI_Group_compare(MPI_Group group1, MPI_Group group2, int *result)
341 if (group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
342 retval = MPI_ERR_GROUP;
343 } else if (result == NULL) {
344 retval = MPI_ERR_ARG;
346 *result = smpi_group_compare(group1, group2);
347 retval = MPI_SUCCESS;
353 int PMPI_Group_union(MPI_Group group1, MPI_Group group2,
354 MPI_Group * newgroup)
356 int retval, i, proc1, proc2, size, size2;
359 if (group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
360 retval = MPI_ERR_GROUP;
361 } else if (newgroup == NULL) {
362 retval = MPI_ERR_ARG;
364 size = smpi_group_size(group1);
365 size2 = smpi_group_size(group2);
366 for (i = 0; i < size2; i++) {
367 proc2 = smpi_group_index(group2, i);
368 proc1 = smpi_group_rank(group1, proc2);
369 if (proc1 == MPI_UNDEFINED) {
374 *newgroup = MPI_GROUP_EMPTY;
376 *newgroup = smpi_group_new(size);
377 size2 = smpi_group_size(group1);
378 for (i = 0; i < size2; i++) {
379 proc1 = smpi_group_index(group1, i);
380 smpi_group_set_mapping(*newgroup, proc1, i);
382 for (i = size2; i < size; i++) {
383 proc2 = smpi_group_index(group2, i - size2);
384 smpi_group_set_mapping(*newgroup, proc2, i);
387 smpi_group_use(*newgroup);
388 retval = MPI_SUCCESS;
394 int PMPI_Group_intersection(MPI_Group group1, MPI_Group group2,
395 MPI_Group * newgroup)
397 int retval, i, proc1, proc2, size;
400 if (group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
401 retval = MPI_ERR_GROUP;
402 } else if (newgroup == NULL) {
403 retval = MPI_ERR_ARG;
405 size = smpi_group_size(group2);
406 for (i = 0; i < size; i++) {
407 proc2 = smpi_group_index(group2, i);
408 proc1 = smpi_group_rank(group1, proc2);
409 if (proc1 == MPI_UNDEFINED) {
414 *newgroup = MPI_GROUP_EMPTY;
416 *newgroup = smpi_group_new(size);
418 for (i = 0; i < smpi_group_size(group2); i++) {
419 proc2 = smpi_group_index(group2, i);
420 proc1 = smpi_group_rank(group1, proc2);
421 if (proc1 != MPI_UNDEFINED) {
422 smpi_group_set_mapping(*newgroup, proc2, j);
427 smpi_group_use(*newgroup);
428 retval = MPI_SUCCESS;
434 int PMPI_Group_difference(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
436 int retval, i, proc1, proc2, size, size2;
439 if (group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
440 retval = MPI_ERR_GROUP;
441 } else if (newgroup == NULL) {
442 retval = MPI_ERR_ARG;
444 size = size2 = smpi_group_size(group1);
445 for (i = 0; i < size2; i++) {
446 proc1 = smpi_group_index(group1, i);
447 proc2 = smpi_group_rank(group2, proc1);
448 if (proc2 != MPI_UNDEFINED) {
453 *newgroup = MPI_GROUP_EMPTY;
455 *newgroup = smpi_group_new(size);
456 for (i = 0; i < size2; i++) {
457 proc1 = smpi_group_index(group1, i);
458 proc2 = smpi_group_rank(group2, proc1);
459 if (proc2 == MPI_UNDEFINED) {
460 smpi_group_set_mapping(*newgroup, proc1, i);
464 smpi_group_use(*newgroup);
465 retval = MPI_SUCCESS;
471 int PMPI_Group_incl(MPI_Group group, int n, int *ranks, MPI_Group * newgroup)
473 int retval, i, index;
476 if (group == MPI_GROUP_NULL) {
477 retval = MPI_ERR_GROUP;
478 } else if (newgroup == NULL) {
479 retval = MPI_ERR_ARG;
482 *newgroup = MPI_GROUP_EMPTY;
483 } else if (n == smpi_group_size(group)) {
486 *newgroup = smpi_group_new(n);
487 for (i = 0; i < n; i++) {
488 index = smpi_group_index(group, ranks[i]);
489 smpi_group_set_mapping(*newgroup, index, i);
492 smpi_group_use(*newgroup);
493 retval = MPI_SUCCESS;
499 int PMPI_Group_excl(MPI_Group group, int n, int *ranks, MPI_Group * newgroup)
501 int retval, i, j, newsize, oldsize, index;
504 if (group == MPI_GROUP_NULL) {
505 retval = MPI_ERR_GROUP;
506 } else if (newgroup == NULL) {
507 retval = MPI_ERR_ARG;
511 } else if (n == smpi_group_size(group)) {
512 *newgroup = MPI_GROUP_EMPTY;
514 oldsize=smpi_group_size(group);
515 newsize = oldsize - n;
516 *newgroup = smpi_group_new(newsize);
518 int* to_exclude=xbt_new(int, smpi_group_size(group));
519 for(i=0; i<oldsize; i++)
522 to_exclude[ranks[i]]=1;
525 for(i=0; i<oldsize; i++){
526 if(to_exclude[i]==0){
527 index = smpi_group_index(group, i);
528 smpi_group_set_mapping(*newgroup, index, j);
533 xbt_free(to_exclude);
535 smpi_group_use(*newgroup);
536 retval = MPI_SUCCESS;
542 int PMPI_Group_range_incl(MPI_Group group, int n, int ranges[][3],
543 MPI_Group * newgroup)
545 int retval, i, j, rank, size, index;
548 if (group == MPI_GROUP_NULL) {
549 retval = MPI_ERR_GROUP;
550 } else if (newgroup == NULL) {
551 retval = MPI_ERR_ARG;
554 *newgroup = MPI_GROUP_EMPTY;
557 for (i = 0; i < n; i++) {
558 for (rank = ranges[i][0]; /* First */
559 rank >= 0 && rank <= ranges[i][1]; /* Last */
560 rank += ranges[i][2] /* Stride */ ) {
564 if (size == smpi_group_size(group)) {
567 *newgroup = smpi_group_new(size);
569 for (i = 0; i < n; i++) {
570 for (rank = ranges[i][0]; /* First */
571 rank >= 0 && rank <= ranges[i][1]; /* Last */
572 rank += ranges[i][2] /* Stride */ ) {
573 index = smpi_group_index(group, rank);
574 smpi_group_set_mapping(*newgroup, index, j);
580 smpi_group_use(*newgroup);
581 retval = MPI_SUCCESS;
587 int PMPI_Group_range_excl(MPI_Group group, int n, int ranges[][3],
588 MPI_Group * newgroup)
590 int retval, i, newrank, rank, size, index, add;
593 if (group == MPI_GROUP_NULL) {
594 retval = MPI_ERR_GROUP;
595 } else if (newgroup == NULL) {
596 retval = MPI_ERR_ARG;
601 size = smpi_group_size(group);
602 for (i = 0; i < n; i++) {
603 for (rank = ranges[i][0]; /* First */
604 rank >= 0 && rank <= ranges[i][1]; /* Last */
605 rank += ranges[i][2] /* Stride */ ) {
610 *newgroup = MPI_GROUP_EMPTY;
612 *newgroup = smpi_group_new(size);
614 while (newrank < size) {
615 for (i = 0; i < n; i++) {
617 for (rank = ranges[i][0]; /* First */
618 rank >= 0 && rank <= ranges[i][1]; /* Last */
619 rank += ranges[i][2] /* Stride */ ) {
620 if (rank == newrank) {
626 index = smpi_group_index(group, newrank);
627 smpi_group_set_mapping(*newgroup, index, newrank);
630 newrank++; //added to avoid looping, need to be checked ..
634 smpi_group_use(*newgroup);
635 retval = MPI_SUCCESS;
641 int PMPI_Comm_rank(MPI_Comm comm, int *rank)
646 if (comm == MPI_COMM_NULL) {
647 retval = MPI_ERR_COMM;
648 } else if (rank == NULL) {
649 retval = MPI_ERR_ARG;
651 *rank = smpi_comm_rank(comm);
652 retval = MPI_SUCCESS;
658 int PMPI_Comm_size(MPI_Comm comm, int *size)
663 if (comm == MPI_COMM_NULL) {
664 retval = MPI_ERR_COMM;
665 } else if (size == NULL) {
666 retval = MPI_ERR_ARG;
668 *size = smpi_comm_size(comm);
669 retval = MPI_SUCCESS;
675 int PMPI_Comm_get_name (MPI_Comm comm, char* name, int* len)
680 if (comm == MPI_COMM_NULL) {
681 retval = MPI_ERR_COMM;
682 } else if (name == NULL || len == NULL) {
683 retval = MPI_ERR_ARG;
685 smpi_comm_get_name(comm, name, len);
686 retval = MPI_SUCCESS;
692 int PMPI_Comm_group(MPI_Comm comm, MPI_Group * group)
697 if (comm == MPI_COMM_NULL) {
698 retval = MPI_ERR_COMM;
699 } else if (group == NULL) {
700 retval = MPI_ERR_ARG;
702 *group = smpi_comm_group(comm);
703 retval = MPI_SUCCESS;
709 int PMPI_Comm_compare(MPI_Comm comm1, MPI_Comm comm2, int *result)
714 if (comm1 == MPI_COMM_NULL || comm2 == MPI_COMM_NULL) {
715 retval = MPI_ERR_COMM;
716 } else if (result == NULL) {
717 retval = MPI_ERR_ARG;
719 if (comm1 == comm2) { /* Same communicators means same groups */
723 smpi_group_compare(smpi_comm_group(comm1),
724 smpi_comm_group(comm2));
725 if (*result == MPI_IDENT) {
726 *result = MPI_CONGRUENT;
729 retval = MPI_SUCCESS;
735 int PMPI_Comm_dup(MPI_Comm comm, MPI_Comm * newcomm)
740 if (comm == MPI_COMM_NULL) {
741 retval = MPI_ERR_COMM;
742 } else if (newcomm == NULL) {
743 retval = MPI_ERR_ARG;
745 *newcomm = smpi_comm_new(smpi_comm_group(comm));
746 retval = MPI_SUCCESS;
752 int PMPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm * newcomm)
757 if (comm == MPI_COMM_NULL) {
758 retval = MPI_ERR_COMM;
759 } else if (group == MPI_GROUP_NULL) {
760 retval = MPI_ERR_GROUP;
761 } else if (newcomm == NULL) {
762 retval = MPI_ERR_ARG;
764 *newcomm = smpi_comm_new(group);
765 retval = MPI_SUCCESS;
771 int PMPI_Comm_free(MPI_Comm * comm)
777 retval = MPI_ERR_ARG;
778 } else if (*comm == MPI_COMM_NULL) {
779 retval = MPI_ERR_COMM;
781 smpi_comm_destroy(*comm);
782 *comm = MPI_COMM_NULL;
783 retval = MPI_SUCCESS;
789 int PMPI_Comm_disconnect(MPI_Comm * comm)
791 /* TODO: wait until all communication in comm are done */
796 retval = MPI_ERR_ARG;
797 } else if (*comm == MPI_COMM_NULL) {
798 retval = MPI_ERR_COMM;
800 smpi_comm_destroy(*comm);
801 *comm = MPI_COMM_NULL;
802 retval = MPI_SUCCESS;
808 int PMPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm* comm_out)
813 if (comm_out == NULL) {
814 retval = MPI_ERR_ARG;
815 } else if (comm == MPI_COMM_NULL) {
816 retval = MPI_ERR_COMM;
818 *comm_out = smpi_comm_split(comm, color, key);
819 retval = MPI_SUCCESS;
825 int PMPI_Send_init(void *buf, int count, MPI_Datatype datatype, int dst,
826 int tag, MPI_Comm comm, MPI_Request * request)
831 if (request == NULL) {
832 retval = MPI_ERR_ARG;
833 } else if (comm == MPI_COMM_NULL) {
834 retval = MPI_ERR_COMM;
835 } else if (dst == MPI_PROC_NULL) {
836 retval = MPI_SUCCESS;
838 *request = smpi_mpi_send_init(buf, count, datatype, dst, tag, comm);
839 retval = MPI_SUCCESS;
845 int PMPI_Recv_init(void *buf, int count, MPI_Datatype datatype, int src,
846 int tag, MPI_Comm comm, MPI_Request * request)
851 if (request == NULL) {
852 retval = MPI_ERR_ARG;
853 } else if (comm == MPI_COMM_NULL) {
854 retval = MPI_ERR_COMM;
855 } else if (src == MPI_PROC_NULL) {
856 retval = MPI_SUCCESS;
858 *request = smpi_mpi_recv_init(buf, count, datatype, src, tag, comm);
859 retval = MPI_SUCCESS;
865 int PMPI_Start(MPI_Request * request)
870 if (request == NULL || *request == MPI_REQUEST_NULL) {
871 retval = MPI_ERR_ARG;
873 smpi_mpi_start(*request);
874 retval = MPI_SUCCESS;
880 int PMPI_Startall(int count, MPI_Request * requests)
885 if (requests == NULL) {
886 retval = MPI_ERR_ARG;
888 smpi_mpi_startall(count, requests);
889 retval = MPI_SUCCESS;
895 int PMPI_Request_free(MPI_Request * request)
900 if (*request == MPI_REQUEST_NULL) {
901 retval = MPI_ERR_ARG;
903 if((*request)->flags & PERSISTENT)(*request)->refcount--;
904 smpi_mpi_request_free(request);
905 retval = MPI_SUCCESS;
911 int PMPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src,
912 int tag, MPI_Comm comm, MPI_Request * request)
918 if (request == NULL) {
919 retval = MPI_ERR_ARG;
920 } else if (comm == MPI_COMM_NULL) {
921 retval = MPI_ERR_COMM;
922 } else if (src == MPI_PROC_NULL) {
923 *request = MPI_REQUEST_NULL;
924 retval = MPI_SUCCESS;
925 } else if (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0)){
926 retval = MPI_ERR_COMM;
927 } else if (count < 0) {
928 retval = MPI_ERR_COUNT;
929 } else if (buf==NULL && count > 0) {
930 retval = MPI_ERR_COUNT;
931 } else if (datatype == MPI_DATATYPE_NULL){
932 retval = MPI_ERR_TYPE;
933 } else if(tag<0 && tag != MPI_ANY_TAG){
934 retval = MPI_ERR_TAG;
938 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
939 int src_traced = smpi_group_index(smpi_comm_group(comm), src);
940 TRACE_smpi_ptp_in(rank, src_traced, rank, __FUNCTION__);
943 *request = smpi_mpi_irecv(buf, count, datatype, src, tag, comm);
944 retval = MPI_SUCCESS;
947 TRACE_smpi_ptp_out(rank, src_traced, rank, __FUNCTION__);
948 (*request)->recv = 1;
957 int PMPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst,
958 int tag, MPI_Comm comm, MPI_Request * request)
963 if (request == NULL) {
964 retval = MPI_ERR_ARG;
965 } else if (comm == MPI_COMM_NULL) {
966 retval = MPI_ERR_COMM;
967 } else if (dst == MPI_PROC_NULL) {
968 *request = MPI_REQUEST_NULL;
969 retval = MPI_SUCCESS;
970 } else if (dst >= smpi_group_size(smpi_comm_group(comm)) || dst <0){
971 retval = MPI_ERR_COMM;
972 } else if (count < 0) {
973 retval = MPI_ERR_COUNT;
974 } else if (buf==NULL && count > 0) {
975 retval = MPI_ERR_COUNT;
976 } else if (datatype == MPI_DATATYPE_NULL){
977 retval = MPI_ERR_TYPE;
978 } else if(tag<0 && tag != MPI_ANY_TAG){
979 retval = MPI_ERR_TAG;
983 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
984 TRACE_smpi_computing_out(rank);
985 int dst_traced = smpi_group_index(smpi_comm_group(comm), dst);
986 TRACE_smpi_ptp_in(rank, rank, dst_traced, __FUNCTION__);
987 TRACE_smpi_send(rank, rank, dst_traced);
990 *request = smpi_mpi_isend(buf, count, datatype, dst, tag, comm);
991 retval = MPI_SUCCESS;
994 TRACE_smpi_ptp_out(rank, rank, dst_traced, __FUNCTION__);
995 (*request)->send = 1;
996 TRACE_smpi_computing_in(rank);
1006 int PMPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag,
1007 MPI_Comm comm, MPI_Status * status)
1012 if (comm == MPI_COMM_NULL) {
1013 retval = MPI_ERR_COMM;
1014 } else if (src == MPI_PROC_NULL) {
1015 smpi_empty_status(status);
1016 status->MPI_SOURCE = MPI_PROC_NULL;
1017 retval = MPI_SUCCESS;
1018 } else if (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0)){
1019 retval = MPI_ERR_COMM;
1020 } else if (count < 0) {
1021 retval = MPI_ERR_COUNT;
1022 } else if (buf==NULL && count > 0) {
1023 retval = MPI_ERR_COUNT;
1024 } else if (datatype == MPI_DATATYPE_NULL){
1025 retval = MPI_ERR_TYPE;
1026 } else if(tag<0 && tag != MPI_ANY_TAG){
1027 retval = MPI_ERR_TAG;
1030 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1031 int src_traced = smpi_group_index(smpi_comm_group(comm), src);
1032 TRACE_smpi_computing_out(rank);
1034 TRACE_smpi_ptp_in(rank, src_traced, rank, __FUNCTION__);
1037 smpi_mpi_recv(buf, count, datatype, src, tag, comm, status);
1038 retval = MPI_SUCCESS;
1041 //the src may not have been known at the beginning of the recv (MPI_ANY_SOURCE)
1042 if(status!=MPI_STATUS_IGNORE)src_traced = smpi_group_index(smpi_comm_group(comm), status->MPI_SOURCE);
1043 TRACE_smpi_ptp_out(rank, src_traced, rank, __FUNCTION__);
1044 TRACE_smpi_recv(rank, src_traced, rank);
1045 TRACE_smpi_computing_in(rank);
1053 int PMPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag,
1060 if (comm == MPI_COMM_NULL) {
1061 retval = MPI_ERR_COMM;
1062 } else if (dst == MPI_PROC_NULL) {
1063 retval = MPI_SUCCESS;
1064 } else if (dst >= smpi_group_size(smpi_comm_group(comm)) || dst <0){
1065 retval = MPI_ERR_COMM;
1066 } else if (count < 0) {
1067 retval = MPI_ERR_COUNT;
1068 } else if (buf==NULL && count > 0) {
1069 retval = MPI_ERR_COUNT;
1070 } else if (datatype == MPI_DATATYPE_NULL){
1071 retval = MPI_ERR_TYPE;
1072 } else if(tag<0 && tag != MPI_ANY_TAG){
1073 retval = MPI_ERR_TAG;
1077 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1078 TRACE_smpi_computing_out(rank);
1079 int dst_traced = smpi_group_index(smpi_comm_group(comm), dst);
1080 TRACE_smpi_ptp_in(rank, rank, dst_traced, __FUNCTION__);
1081 TRACE_smpi_send(rank, rank, dst_traced);
1084 smpi_mpi_send(buf, count, datatype, dst, tag, comm);
1085 retval = MPI_SUCCESS;
1088 TRACE_smpi_ptp_out(rank, rank, dst_traced, __FUNCTION__);
1089 TRACE_smpi_computing_in(rank);
1097 int PMPI_Sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
1098 int dst, int sendtag, void *recvbuf, int recvcount,
1099 MPI_Datatype recvtype, int src, int recvtag,
1100 MPI_Comm comm, MPI_Status * status)
1106 if (comm == MPI_COMM_NULL) {
1107 retval = MPI_ERR_COMM;
1108 } else if (sendtype == MPI_DATATYPE_NULL
1109 || recvtype == MPI_DATATYPE_NULL) {
1110 retval = MPI_ERR_TYPE;
1111 } else if (src == MPI_PROC_NULL || dst == MPI_PROC_NULL) {
1112 smpi_empty_status(status);
1113 status->MPI_SOURCE = MPI_PROC_NULL;
1114 retval = MPI_SUCCESS;
1115 }else if (dst >= smpi_group_size(smpi_comm_group(comm)) || dst <0 ||
1116 (src!=MPI_ANY_SOURCE && (src >= smpi_group_size(smpi_comm_group(comm)) || src <0))){
1117 retval = MPI_ERR_COMM;
1118 } else if (sendcount < 0 || recvcount<0) {
1119 retval = MPI_ERR_COUNT;
1120 } else if ((sendbuf==NULL && sendcount > 0)||(recvbuf==NULL && recvcount>0)) {
1121 retval = MPI_ERR_COUNT;
1122 } else if((sendtag<0 && sendtag != MPI_ANY_TAG)||(recvtag<0 && recvtag != MPI_ANY_TAG)){
1123 retval = MPI_ERR_TAG;
1127 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1128 TRACE_smpi_computing_out(rank);
1129 int dst_traced = smpi_group_index(smpi_comm_group(comm), dst);
1130 int src_traced = smpi_group_index(smpi_comm_group(comm), src);
1131 TRACE_smpi_ptp_in(rank, src_traced, dst_traced, __FUNCTION__);
1132 TRACE_smpi_send(rank, rank, dst_traced);
1133 TRACE_smpi_send(rank, src_traced, rank);
1137 smpi_mpi_sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf,
1138 recvcount, recvtype, src, recvtag, comm, status);
1139 retval = MPI_SUCCESS;
1142 TRACE_smpi_ptp_out(rank, src_traced, dst_traced, __FUNCTION__);
1143 TRACE_smpi_recv(rank, rank, dst_traced);
1144 TRACE_smpi_recv(rank, src_traced, rank);
1145 TRACE_smpi_computing_in(rank);
1154 int PMPI_Sendrecv_replace(void *buf, int count, MPI_Datatype datatype,
1155 int dst, int sendtag, int src, int recvtag,
1156 MPI_Comm comm, MPI_Status * status)
1158 //TODO: suboptimal implementation
1161 if ((datatype == MPI_DATATYPE_NULL)||(datatype->has_subtype==1)) {
1162 retval = MPI_ERR_TYPE;
1163 } else if (count < 0) {
1164 retval = MPI_ERR_COUNT;
1166 int size = smpi_datatype_size(datatype) * count;
1167 recvbuf = xbt_new(char, size);
1169 MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf, count,
1170 datatype, src, recvtag, comm, status);
1171 if(retval==MPI_SUCCESS){
1172 memcpy(buf, recvbuf, size * sizeof(char));
1180 int PMPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
1185 if (request == MPI_REQUEST_NULL || flag == NULL) {
1186 retval = MPI_ERR_ARG;
1187 } else if (*request == MPI_REQUEST_NULL) {
1189 retval = MPI_ERR_REQUEST;
1191 *flag = smpi_mpi_test(request, status);
1192 retval = MPI_SUCCESS;
1198 int PMPI_Testany(int count, MPI_Request requests[], int *index, int *flag,
1199 MPI_Status * status)
1204 if (index == NULL || flag == NULL) {
1205 retval = MPI_ERR_ARG;
1207 *flag = smpi_mpi_testany(count, requests, index, status);
1208 retval = MPI_SUCCESS;
1214 int PMPI_Testall(int count, MPI_Request* requests, int* flag, MPI_Status* statuses)
1220 retval = MPI_ERR_ARG;
1222 *flag = smpi_mpi_testall(count, requests, statuses);
1223 retval = MPI_SUCCESS;
1229 int PMPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status* status) {
1233 if (status == NULL) {
1234 retval = MPI_ERR_ARG;
1235 } else if (comm == MPI_COMM_NULL) {
1236 retval = MPI_ERR_COMM;
1237 } else if (source == MPI_PROC_NULL) {
1238 smpi_empty_status(status);
1239 status->MPI_SOURCE = MPI_PROC_NULL;
1240 retval = MPI_SUCCESS;
1242 smpi_mpi_probe(source, tag, comm, status);
1243 retval = MPI_SUCCESS;
1250 int PMPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status) {
1255 retval = MPI_ERR_ARG;
1256 } else if (status == NULL) {
1257 retval = MPI_ERR_ARG;
1258 } else if (comm == MPI_COMM_NULL) {
1259 retval = MPI_ERR_COMM;
1260 } else if (source == MPI_PROC_NULL) {
1261 smpi_empty_status(status);
1262 status->MPI_SOURCE = MPI_PROC_NULL;
1263 retval = MPI_SUCCESS;
1265 smpi_mpi_iprobe(source, tag, comm, flag, status);
1266 retval = MPI_SUCCESS;
1272 int PMPI_Wait(MPI_Request * request, MPI_Status * status)
1278 if (request == NULL) {
1279 retval = MPI_ERR_ARG;
1280 } else if (*request == MPI_REQUEST_NULL) {
1281 retval = MPI_ERR_REQUEST;
1285 int rank = request && (*request)->comm != MPI_COMM_NULL
1286 ? smpi_process_index()
1288 TRACE_smpi_computing_out(rank);
1290 MPI_Group group = smpi_comm_group((*request)->comm);
1291 int src_traced = smpi_group_index(group, (*request)->src);
1292 int dst_traced = smpi_group_index(group, (*request)->dst);
1293 int is_wait_for_receive = (*request)->recv;
1294 TRACE_smpi_ptp_in(rank, src_traced, dst_traced, __FUNCTION__);
1297 smpi_mpi_wait(request, status);
1298 retval = MPI_SUCCESS;
1301 TRACE_smpi_ptp_out(rank, src_traced, dst_traced, __FUNCTION__);
1302 if (is_wait_for_receive) {
1303 TRACE_smpi_recv(rank, src_traced, dst_traced);
1305 TRACE_smpi_computing_in(rank);
1314 int PMPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * status)
1320 //save requests information for tracing
1322 xbt_dynar_t srcs = xbt_dynar_new(sizeof(int), NULL);
1323 xbt_dynar_t dsts = xbt_dynar_new(sizeof(int), NULL);
1324 xbt_dynar_t recvs = xbt_dynar_new(sizeof(int), NULL);
1325 for (i = 0; i < count; i++) {
1326 MPI_Request req = requests[i]; //already received requests are no longer valid
1328 int *asrc = xbt_new(int, 1);
1329 int *adst = xbt_new(int, 1);
1330 int *arecv = xbt_new(int, 1);
1334 xbt_dynar_insert_at(srcs, i, asrc);
1335 xbt_dynar_insert_at(dsts, i, adst);
1336 xbt_dynar_insert_at(recvs, i, arecv);
1341 int *t = xbt_new(int, 1);
1342 xbt_dynar_insert_at(srcs, i, t);
1343 xbt_dynar_insert_at(dsts, i, t);
1344 xbt_dynar_insert_at(recvs, i, t);
1348 int rank_traced = smpi_process_index();
1349 TRACE_smpi_computing_out(rank_traced);
1351 TRACE_smpi_ptp_in(rank_traced, -1, -1, __FUNCTION__);
1354 if (index == NULL) {
1355 retval = MPI_ERR_ARG;
1357 *index = smpi_mpi_waitany(count, requests, status);
1358 retval = MPI_SUCCESS;
1361 if(*index!=MPI_UNDEFINED){
1362 int src_traced, dst_traced, is_wait_for_receive;
1363 xbt_dynar_get_cpy(srcs, *index, &src_traced);
1364 xbt_dynar_get_cpy(dsts, *index, &dst_traced);
1365 xbt_dynar_get_cpy(recvs, *index, &is_wait_for_receive);
1366 if (is_wait_for_receive) {
1367 TRACE_smpi_recv(rank_traced, src_traced, dst_traced);
1369 TRACE_smpi_ptp_out(rank_traced, src_traced, dst_traced, __FUNCTION__);
1370 //clean-up of dynars
1371 xbt_dynar_free(&srcs);
1372 xbt_dynar_free(&dsts);
1373 xbt_dynar_free(&recvs);
1375 TRACE_smpi_computing_in(rank_traced);
1381 int PMPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
1386 //save information from requests
1388 xbt_dynar_t srcs = xbt_dynar_new(sizeof(int), NULL);
1389 xbt_dynar_t dsts = xbt_dynar_new(sizeof(int), NULL);
1390 xbt_dynar_t recvs = xbt_dynar_new(sizeof(int), NULL);
1391 for (i = 0; i < count; i++) {
1392 MPI_Request req = requests[i];
1394 int *asrc = xbt_new(int, 1);
1395 int *adst = xbt_new(int, 1);
1396 int *arecv = xbt_new(int, 1);
1400 xbt_dynar_insert_at(srcs, i, asrc);
1401 xbt_dynar_insert_at(dsts, i, adst);
1402 xbt_dynar_insert_at(recvs, i, arecv);
1407 int *t = xbt_new(int, 1);
1408 xbt_dynar_insert_at(srcs, i, t);
1409 xbt_dynar_insert_at(dsts, i, t);
1410 xbt_dynar_insert_at(recvs, i, t);
1414 int rank_traced = smpi_process_index();
1415 TRACE_smpi_computing_out(rank_traced);
1417 TRACE_smpi_ptp_in(rank_traced, -1, -1, __FUNCTION__);
1419 int retval = smpi_mpi_waitall(count, requests, status);
1421 for (i = 0; i < count; i++) {
1422 int src_traced, dst_traced, is_wait_for_receive;
1423 xbt_dynar_get_cpy(srcs, i, &src_traced);
1424 xbt_dynar_get_cpy(dsts, i, &dst_traced);
1425 xbt_dynar_get_cpy(recvs, i, &is_wait_for_receive);
1426 if (is_wait_for_receive) {
1427 TRACE_smpi_recv(rank_traced, src_traced, dst_traced);
1430 TRACE_smpi_ptp_out(rank_traced, -1, -1, __FUNCTION__);
1431 //clean-up of dynars
1432 xbt_dynar_free(&srcs);
1433 xbt_dynar_free(&dsts);
1434 xbt_dynar_free(&recvs);
1435 TRACE_smpi_computing_in(rank_traced);
1441 int PMPI_Waitsome(int incount, MPI_Request requests[], int *outcount,
1442 int *indices, MPI_Status status[])
1447 if (outcount == NULL || indices == NULL) {
1448 retval = MPI_ERR_ARG;
1450 *outcount = smpi_mpi_waitsome(incount, requests, indices, status);
1451 retval = MPI_SUCCESS;
1457 int PMPI_Testsome(int incount, MPI_Request requests[], int* outcount,
1458 int* indices, MPI_Status status[])
1463 if (outcount == NULL || indices == NULL) {
1464 retval = MPI_ERR_ARG;
1466 *outcount = smpi_mpi_testsome(incount, requests, indices, status);
1467 retval = MPI_SUCCESS;
1474 int PMPI_Bcast(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
1480 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1481 TRACE_smpi_computing_out(rank);
1482 int root_traced = smpi_group_index(smpi_comm_group(comm), root);
1483 TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
1485 if (comm == MPI_COMM_NULL) {
1486 retval = MPI_ERR_COMM;
1488 smpi_mpi_bcast(buf, count, datatype, root, comm);
1489 retval = MPI_SUCCESS;
1492 TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
1493 TRACE_smpi_computing_in(rank);
1499 int PMPI_Barrier(MPI_Comm comm)
1505 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1506 TRACE_smpi_computing_out(rank);
1507 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1509 if (comm == MPI_COMM_NULL) {
1510 retval = MPI_ERR_COMM;
1512 smpi_mpi_barrier(comm);
1513 retval = MPI_SUCCESS;
1516 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1517 TRACE_smpi_computing_in(rank);
1523 int PMPI_Gather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
1524 void *recvbuf, int recvcount, MPI_Datatype recvtype,
1525 int root, MPI_Comm comm)
1531 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1532 TRACE_smpi_computing_out(rank);
1533 int root_traced = smpi_group_index(smpi_comm_group(comm), root);
1534 TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
1536 if (comm == MPI_COMM_NULL) {
1537 retval = MPI_ERR_COMM;
1538 } else if (sendtype == MPI_DATATYPE_NULL
1539 || recvtype == MPI_DATATYPE_NULL) {
1540 retval = MPI_ERR_TYPE;
1542 smpi_mpi_gather(sendbuf, sendcount, sendtype, recvbuf, recvcount,
1543 recvtype, root, comm);
1544 retval = MPI_SUCCESS;
1547 TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
1548 TRACE_smpi_computing_in(rank);
1554 int PMPI_Gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
1555 void *recvbuf, int *recvcounts, int *displs,
1556 MPI_Datatype recvtype, int root, MPI_Comm comm)
1562 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1563 TRACE_smpi_computing_out(rank);
1564 int root_traced = smpi_group_index(smpi_comm_group(comm), root);
1565 TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
1567 if (comm == MPI_COMM_NULL) {
1568 retval = MPI_ERR_COMM;
1569 } else if (sendtype == MPI_DATATYPE_NULL
1570 || recvtype == MPI_DATATYPE_NULL) {
1571 retval = MPI_ERR_TYPE;
1572 } else if (recvcounts == NULL || displs == NULL) {
1573 retval = MPI_ERR_ARG;
1575 smpi_mpi_gatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts,
1576 displs, recvtype, root, comm);
1577 retval = MPI_SUCCESS;
1580 TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
1581 TRACE_smpi_computing_in(rank);
1587 int PMPI_Allgather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
1588 void *recvbuf, int recvcount, MPI_Datatype recvtype,
1595 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1596 TRACE_smpi_computing_out(rank);
1597 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1599 if (comm == MPI_COMM_NULL) {
1600 retval = MPI_ERR_COMM;
1601 } else if (sendtype == MPI_DATATYPE_NULL
1602 || recvtype == MPI_DATATYPE_NULL) {
1603 retval = MPI_ERR_TYPE;
1605 smpi_mpi_allgather(sendbuf, sendcount, sendtype, recvbuf, recvcount,
1607 retval = MPI_SUCCESS;
1610 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1616 int PMPI_Allgatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
1617 void *recvbuf, int *recvcounts, int *displs,
1618 MPI_Datatype recvtype, MPI_Comm comm)
1624 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1625 TRACE_smpi_computing_out(rank);
1626 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1628 if (comm == MPI_COMM_NULL) {
1629 retval = MPI_ERR_COMM;
1630 } else if (sendtype == MPI_DATATYPE_NULL
1631 || recvtype == MPI_DATATYPE_NULL) {
1632 retval = MPI_ERR_TYPE;
1633 } else if (recvcounts == NULL || displs == NULL) {
1634 retval = MPI_ERR_ARG;
1636 smpi_mpi_allgatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts,
1637 displs, recvtype, comm);
1638 retval = MPI_SUCCESS;
1641 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1642 TRACE_smpi_computing_in(rank);
1648 int PMPI_Scatter(void *sendbuf, int sendcount, MPI_Datatype sendtype,
1649 void *recvbuf, int recvcount, MPI_Datatype recvtype,
1650 int root, MPI_Comm comm)
1656 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1657 TRACE_smpi_computing_out(rank);
1658 int root_traced = smpi_group_index(smpi_comm_group(comm), root);
1660 TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
1662 if (comm == MPI_COMM_NULL) {
1663 retval = MPI_ERR_COMM;
1664 } else if (sendtype == MPI_DATATYPE_NULL
1665 || recvtype == MPI_DATATYPE_NULL) {
1666 retval = MPI_ERR_TYPE;
1668 smpi_mpi_scatter(sendbuf, sendcount, sendtype, recvbuf, recvcount,
1669 recvtype, root, comm);
1670 retval = MPI_SUCCESS;
1673 TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
1674 TRACE_smpi_computing_in(rank);
1680 int PMPI_Scatterv(void *sendbuf, int *sendcounts, int *displs,
1681 MPI_Datatype sendtype, void *recvbuf, int recvcount,
1682 MPI_Datatype recvtype, int root, MPI_Comm comm)
1688 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1689 TRACE_smpi_computing_out(rank);
1690 int root_traced = smpi_group_index(smpi_comm_group(comm), root);
1691 TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
1693 if (comm == MPI_COMM_NULL) {
1694 retval = MPI_ERR_COMM;
1695 } else if (sendtype == MPI_DATATYPE_NULL
1696 || recvtype == MPI_DATATYPE_NULL) {
1697 retval = MPI_ERR_TYPE;
1698 } else if (sendcounts == NULL || displs == NULL) {
1699 retval = MPI_ERR_ARG;
1701 smpi_mpi_scatterv(sendbuf, sendcounts, displs, sendtype, recvbuf,
1702 recvcount, recvtype, root, comm);
1703 retval = MPI_SUCCESS;
1706 TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
1707 TRACE_smpi_computing_in(rank);
1713 int PMPI_Reduce(void *sendbuf, void *recvbuf, int count,
1714 MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
1720 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1721 TRACE_smpi_computing_out(rank);
1722 int root_traced = smpi_group_index(smpi_comm_group(comm), root);
1723 TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
1725 if (comm == MPI_COMM_NULL) {
1726 retval = MPI_ERR_COMM;
1727 } else if (datatype == MPI_DATATYPE_NULL || op == MPI_OP_NULL) {
1728 retval = MPI_ERR_ARG;
1730 smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
1731 retval = MPI_SUCCESS;
1734 TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
1735 TRACE_smpi_computing_in(rank);
1741 int PMPI_Allreduce(void *sendbuf, void *recvbuf, int count,
1742 MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
1748 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1749 TRACE_smpi_computing_out(rank);
1750 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1752 if (comm == MPI_COMM_NULL) {
1753 retval = MPI_ERR_COMM;
1754 } else if (datatype == MPI_DATATYPE_NULL) {
1755 retval = MPI_ERR_TYPE;
1756 } else if (op == MPI_OP_NULL) {
1757 retval = MPI_ERR_OP;
1759 smpi_mpi_allreduce(sendbuf, recvbuf, count, datatype, op, comm);
1760 retval = MPI_SUCCESS;
1763 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1764 TRACE_smpi_computing_in(rank);
1770 int PMPI_Scan(void *sendbuf, void *recvbuf, int count,
1771 MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
1777 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1778 TRACE_smpi_computing_out(rank);
1779 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1781 if (comm == MPI_COMM_NULL) {
1782 retval = MPI_ERR_COMM;
1783 } else if (datatype == MPI_DATATYPE_NULL) {
1784 retval = MPI_ERR_TYPE;
1785 } else if (op == MPI_OP_NULL) {
1786 retval = MPI_ERR_OP;
1788 smpi_mpi_scan(sendbuf, recvbuf, count, datatype, op, comm);
1789 retval = MPI_SUCCESS;
1792 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1793 TRACE_smpi_computing_in(rank);
1799 int PMPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
1800 MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
1802 int retval, i, size, count;
1804 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1808 TRACE_smpi_computing_out(rank);
1809 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1811 if (comm == MPI_COMM_NULL) {
1812 retval = MPI_ERR_COMM;
1813 } else if (datatype == MPI_DATATYPE_NULL) {
1814 retval = MPI_ERR_TYPE;
1815 } else if (op == MPI_OP_NULL) {
1816 retval = MPI_ERR_OP;
1817 } else if (recvcounts == NULL) {
1818 retval = MPI_ERR_ARG;
1820 /* arbitrarily choose root as rank 0 */
1821 /* TODO: faster direct implementation ? */
1822 size = smpi_comm_size(comm);
1824 displs = xbt_new(int, size);
1825 for (i = 0; i < size; i++) {
1826 count += recvcounts[i];
1829 smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, 0, comm);
1830 smpi_mpi_scatterv(recvbuf, recvcounts, displs, datatype, recvbuf,
1831 recvcounts[rank], datatype, 0, comm);
1833 retval = MPI_SUCCESS;
1836 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1837 TRACE_smpi_computing_in(rank);
1843 int PMPI_Alltoall(void *sendbuf, int sendcount, MPI_Datatype sendtype,
1844 void *recvbuf, int recvcount, MPI_Datatype recvtype,
1847 int retval, size, sendsize;
1851 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1852 TRACE_smpi_computing_out(rank);
1853 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1855 if (comm == MPI_COMM_NULL) {
1856 retval = MPI_ERR_COMM;
1857 } else if (sendtype == MPI_DATATYPE_NULL
1858 || recvtype == MPI_DATATYPE_NULL) {
1859 retval = MPI_ERR_TYPE;
1861 size = smpi_comm_size(comm);
1862 sendsize = smpi_datatype_size(sendtype) * sendcount;
1863 if (sendsize < 200 && size > 12) {
1865 smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, sendtype,
1866 recvbuf, recvcount, recvtype,
1868 } else if (sendsize < 3000) {
1870 smpi_coll_tuned_alltoall_basic_linear(sendbuf, sendcount,
1872 recvcount, recvtype, comm);
1875 smpi_coll_tuned_alltoall_pairwise(sendbuf, sendcount, sendtype,
1876 recvbuf, recvcount, recvtype,
1881 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1882 TRACE_smpi_computing_in(rank);
1888 int PMPI_Alltoallv(void *sendbuf, int *sendcounts, int *senddisps,
1889 MPI_Datatype sendtype, void *recvbuf, int *recvcounts,
1890 int *recvdisps, MPI_Datatype recvtype, MPI_Comm comm)
1896 int rank = comm != MPI_COMM_NULL ? smpi_process_index() : -1;
1897 TRACE_smpi_computing_out(rank);
1898 TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
1900 if (comm == MPI_COMM_NULL) {
1901 retval = MPI_ERR_COMM;
1902 } else if (sendtype == MPI_DATATYPE_NULL
1903 || recvtype == MPI_DATATYPE_NULL) {
1904 retval = MPI_ERR_TYPE;
1905 } else if (sendcounts == NULL || senddisps == NULL || recvcounts == NULL
1906 || recvdisps == NULL) {
1907 retval = MPI_ERR_ARG;
1910 smpi_coll_basic_alltoallv(sendbuf, sendcounts, senddisps, sendtype,
1911 recvbuf, recvcounts, recvdisps, recvtype,
1915 TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
1916 TRACE_smpi_computing_in(rank);
1923 int PMPI_Get_processor_name(char *name, int *resultlen)
1925 int retval = MPI_SUCCESS;
1928 strncpy(name, SIMIX_host_get_name(SIMIX_host_self()),
1929 strlen(SIMIX_host_get_name(SIMIX_host_self())) < MPI_MAX_PROCESSOR_NAME - 1 ?
1930 strlen(SIMIX_host_get_name(SIMIX_host_self())) +1 :
1931 MPI_MAX_PROCESSOR_NAME - 1 );
1934 MPI_MAX_PROCESSOR_NAME ? MPI_MAX_PROCESSOR_NAME : strlen(name);
1940 int PMPI_Get_count(MPI_Status * status, MPI_Datatype datatype, int *count)
1942 int retval = MPI_SUCCESS;
1946 if (status == NULL || count == NULL) {
1947 retval = MPI_ERR_ARG;
1948 } else if (datatype == MPI_DATATYPE_NULL) {
1949 retval = MPI_ERR_TYPE;
1951 size = smpi_datatype_size(datatype);
1954 } else if (status->count % size != 0) {
1955 retval = MPI_UNDEFINED;
1957 *count = smpi_mpi_get_count(status, datatype);
1964 int PMPI_Type_contiguous(int count, MPI_Datatype old_type, MPI_Datatype* new_type) {
1968 if (old_type == MPI_DATATYPE_NULL) {
1969 retval = MPI_ERR_TYPE;
1970 } else if (count<0){
1971 retval = MPI_ERR_COUNT;
1973 retval = smpi_datatype_contiguous(count, old_type, new_type);
1979 int PMPI_Type_commit(MPI_Datatype* datatype) {
1983 if (datatype == MPI_DATATYPE_NULL) {
1984 retval = MPI_ERR_TYPE;
1986 smpi_datatype_commit(datatype);
1987 retval = MPI_SUCCESS;
1994 int PMPI_Type_vector(int count, int blocklen, int stride, MPI_Datatype old_type, MPI_Datatype* new_type) {
1998 if (old_type == MPI_DATATYPE_NULL) {
1999 retval = MPI_ERR_TYPE;
2000 } else if (count<0 || blocklen<0){
2001 retval = MPI_ERR_COUNT;
2003 retval = smpi_datatype_vector(count, blocklen, stride, old_type, new_type);
2009 int PMPI_Type_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* new_type) {
2013 if (old_type == MPI_DATATYPE_NULL) {
2014 retval = MPI_ERR_TYPE;
2015 } else if (count<0 || blocklen<0){
2016 retval = MPI_ERR_COUNT;
2018 retval = smpi_datatype_hvector(count, blocklen, stride, old_type, new_type);
2025 int PMPI_Type_indexed(int count, int* blocklens, int* indices, MPI_Datatype old_type, MPI_Datatype* new_type) {
2029 if (old_type == MPI_DATATYPE_NULL) {
2030 retval = MPI_ERR_TYPE;
2031 } else if (count<0){
2032 retval = MPI_ERR_COUNT;
2034 retval = smpi_datatype_indexed(count, blocklens, indices, old_type, new_type);
2040 int PMPI_Type_hindexed(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype old_type, MPI_Datatype* new_type) {
2044 if (old_type == MPI_DATATYPE_NULL) {
2045 retval = MPI_ERR_TYPE;
2046 } else if (count<0){
2047 retval = MPI_ERR_COUNT;
2049 retval = smpi_datatype_hindexed(count, blocklens, indices, old_type, new_type);
2056 int PMPI_Type_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype* old_types, MPI_Datatype* new_type) {
2061 retval = MPI_ERR_COUNT;
2063 retval = smpi_datatype_struct(count, blocklens, indices, old_types, new_type);
2068 int PMPI_Error_class(int errorcode, int* errorclass) {
2069 // assume smpi uses only standard mpi error codes
2070 *errorclass=errorcode;
2075 int PMPI_Initialized(int* flag) {
2076 *flag=(smpi_process_data()!=NULL);
2080 /* The following calls are not yet implemented and will fail at runtime. */
2081 /* Once implemented, please move them above this notice. */
2083 static int not_yet_implemented(void) {
2084 XBT_WARN("Not yet implemented");
2088 int PMPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm, int* size) {
2089 return not_yet_implemented();
2092 int PMPI_Cart_coords(MPI_Comm comm, int rank, int maxdims, int* coords) {
2093 return not_yet_implemented();
2096 int PMPI_Cart_create(MPI_Comm comm_old, int ndims, int* dims, int* periods, int reorder, MPI_Comm* comm_cart) {
2097 return not_yet_implemented();
2100 int PMPI_Cart_get(MPI_Comm comm, int maxdims, int* dims, int* periods, int* coords) {
2101 return not_yet_implemented();
2104 int PMPI_Cart_map(MPI_Comm comm_old, int ndims, int* dims, int* periods, int* newrank) {
2105 return not_yet_implemented();
2108 int PMPI_Cart_rank(MPI_Comm comm, int* coords, int* rank) {
2109 return not_yet_implemented();
2112 int PMPI_Cart_shift(MPI_Comm comm, int direction, int displ, int* source, int* dest) {
2113 return not_yet_implemented();
2116 int PMPI_Cart_sub(MPI_Comm comm, int* remain_dims, MPI_Comm* comm_new) {
2117 return not_yet_implemented();
2120 int PMPI_Cartdim_get(MPI_Comm comm, int* ndims) {
2121 return not_yet_implemented();
2124 int PMPI_Graph_create(MPI_Comm comm_old, int nnodes, int* index, int* edges, int reorder, MPI_Comm* comm_graph) {
2125 return not_yet_implemented();
2128 int PMPI_Graph_get(MPI_Comm comm, int maxindex, int maxedges, int* index, int* edges) {
2129 return not_yet_implemented();
2132 int PMPI_Graph_map(MPI_Comm comm_old, int nnodes, int* index, int* edges, int* newrank) {
2133 return not_yet_implemented();
2136 int PMPI_Graph_neighbors(MPI_Comm comm, int rank, int maxneighbors, int* neighbors) {
2137 return not_yet_implemented();
2140 int PMPI_Graph_neighbors_count(MPI_Comm comm, int rank, int* nneighbors) {
2141 return not_yet_implemented();
2144 int PMPI_Graphdims_get(MPI_Comm comm, int* nnodes, int* nedges) {
2145 return not_yet_implemented();
2148 int PMPI_Topo_test(MPI_Comm comm, int* top_type) {
2149 return not_yet_implemented();
2152 int PMPI_Errhandler_create(MPI_Handler_function* function, MPI_Errhandler* errhandler) {
2153 return not_yet_implemented();
2156 int PMPI_Errhandler_free(MPI_Errhandler* errhandler) {
2157 return not_yet_implemented();
2160 int PMPI_Errhandler_get(MPI_Comm comm, MPI_Errhandler* errhandler) {
2161 return not_yet_implemented();
2164 int PMPI_Error_string(int errorcode, char* string, int* resultlen) {
2165 return not_yet_implemented();
2168 int PMPI_Errhandler_set(MPI_Comm comm, MPI_Errhandler errhandler) {
2169 return not_yet_implemented();
2173 int PMPI_Cancel(MPI_Request* request) {
2174 return not_yet_implemented();
2177 int PMPI_Buffer_attach(void* buffer, int size) {
2178 return not_yet_implemented();
2181 int PMPI_Buffer_detach(void* buffer, int* size) {
2182 return not_yet_implemented();
2185 int PMPI_Comm_test_inter(MPI_Comm comm, int* flag) {
2186 return not_yet_implemented();
2189 int PMPI_Comm_get_attr (MPI_Comm comm, int comm_keyval, void *attribute_val, int *flag)
2191 return not_yet_implemented();
2194 int PMPI_Pcontrol(const int level )
2196 return not_yet_implemented();
2199 int PMPI_Unpack(void* inbuf, int insize, int* position, void* outbuf, int outcount, MPI_Datatype type, MPI_Comm comm) {
2200 return not_yet_implemented();
2203 int PMPI_Ssend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
2204 return not_yet_implemented();
2207 int PMPI_Ssend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
2208 return not_yet_implemented();
2211 int PMPI_Intercomm_create(MPI_Comm local_comm, int local_leader, MPI_Comm peer_comm, int remote_leader, int tag, MPI_Comm* comm_out) {
2212 return not_yet_implemented();
2215 int PMPI_Intercomm_merge(MPI_Comm comm, int high, MPI_Comm* comm_out) {
2216 return not_yet_implemented();
2219 int PMPI_Bsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
2220 return not_yet_implemented();
2223 int PMPI_Bsend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
2224 return not_yet_implemented();
2227 int PMPI_Ibsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
2228 return not_yet_implemented();
2231 int PMPI_Comm_remote_group(MPI_Comm comm, MPI_Group* group) {
2232 return not_yet_implemented();
2235 int PMPI_Comm_remote_size(MPI_Comm comm, int* size) {
2236 return not_yet_implemented();
2239 int PMPI_Issend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
2240 return not_yet_implemented();
2244 int PMPI_Attr_delete(MPI_Comm comm, int keyval) {
2245 return not_yet_implemented();
2248 int PMPI_Attr_get(MPI_Comm comm, int keyval, void* attr_value, int* flag) {
2249 return not_yet_implemented();
2252 int PMPI_Attr_put(MPI_Comm comm, int keyval, void* attr_value) {
2253 return not_yet_implemented();
2256 int PMPI_Rsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
2257 return not_yet_implemented();
2260 int PMPI_Rsend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
2261 return not_yet_implemented();
2264 int PMPI_Irsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
2265 return not_yet_implemented();
2268 int PMPI_Keyval_create(MPI_Copy_function* copy_fn, MPI_Delete_function* delete_fn, int* keyval, void* extra_state) {
2269 return not_yet_implemented();
2272 int PMPI_Keyval_free(int* keyval) {
2273 return not_yet_implemented();
2276 int PMPI_Test_cancelled(MPI_Status* status, int* flag) {
2277 return not_yet_implemented();
2280 int PMPI_Pack(void* inbuf, int incount, MPI_Datatype type, void* outbuf, int outcount, int* position, MPI_Comm comm) {
2281 return not_yet_implemented();
2284 int PMPI_Get_elements(MPI_Status* status, MPI_Datatype datatype, int* elements) {
2285 return not_yet_implemented();
2288 int PMPI_Dims_create(int nnodes, int ndims, int* dims) {
2289 return not_yet_implemented();