+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
#include "private.h"
+#include "smpi_coll_private.h"
+#include "smpi_mpi_dt_private.h"
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi, smpi,
+ "Logging specific to SMPI (mpi)");
+
+/* MPI User level calls */
-int MPI_Init(int *argc, char ***argv)
-{
- smpi_mpi_init();
- smpi_bench_begin();
- return MPI_SUCCESS;
+int MPI_Init(int* argc, char*** argv) {
+ smpi_process_init(argc, argv);
+ smpi_bench_begin(-1, NULL);
+#ifdef HAVE_TRACING
+ TRACE_smpi_init(smpi_process_index());
+#endif
+ return MPI_SUCCESS;
}
-int MPI_Finalize()
-{
- smpi_bench_end();
- smpi_mpi_finalize();
- return MPI_SUCCESS;
+int MPI_Finalize(void) {
+#ifdef HAVE_TRACING
+ TRACE_smpi_finalize(smpi_process_index());
+#endif
+ smpi_bench_end(-1, NULL);
+ smpi_process_destroy();
+ return MPI_SUCCESS;
}
-// right now this just exits the current node, should send abort signal to all
-// hosts in the communicator;
-int MPI_Abort(MPI_Comm comm, int errorcode)
-{
- smpi_exit(errorcode);
+int MPI_Init_thread(int* argc, char*** argv, int required, int* provided) {
+ if(provided != NULL) {
+ *provided = MPI_THREAD_MULTIPLE;
+ }
+ return MPI_Init(argc, argv);
+}
+
+int MPI_Query_thread(int* provided) {
+ int retval;
- return 0;
+ smpi_bench_end(-1, NULL);
+ if(provided == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *provided = MPI_THREAD_MULTIPLE;
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
}
-int MPI_Comm_size(MPI_Comm comm, int *size)
-{
- int retval = MPI_SUCCESS;
+int MPI_Is_thread_main(int* flag) {
+ int retval;
- smpi_bench_end();
+ smpi_bench_end(-1, NULL);
+ if(flag == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *flag = smpi_process_index() == 0;
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
- if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else if (NULL == size) {
- retval = MPI_ERR_ARG;
- } else {
- *size = comm->size;
- }
+int MPI_Abort(MPI_Comm comm, int errorcode) {
+ smpi_bench_end(-1, NULL);
+ smpi_process_destroy();
+ // FIXME: should kill all processes in comm instead
+ SIMIX_process_kill(SIMIX_process_self());
+ return MPI_SUCCESS;
+}
+
+double MPI_Wtime(void) {
+ double time;
+
+ smpi_bench_end(-1, NULL);
+ time = SIMIX_get_clock();
+ smpi_bench_begin(-1, NULL);
+ return time;
+}
+
+int MPI_Address(void *location, MPI_Aint *address) {
+ int retval;
- smpi_bench_begin();
-
- return retval;
-}
-
-int MPI_Comm_rank(MPI_Comm comm, int *rank)
-{
- int retval = MPI_SUCCESS;
-
- smpi_bench_end();
-
- if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else if (NULL == rank) {
- retval = MPI_ERR_ARG;
- } else {
- *rank = smpi_comm_rank(comm, SIMIX_host_self());
- }
-
- smpi_bench_begin();
-
- return retval;
-}
-
-int MPI_Type_size(MPI_Datatype datatype, size_t *size)
-{
- int retval = MPI_SUCCESS;
-
- smpi_bench_end();
-
- if (NULL == datatype) {
- retval = MPI_ERR_TYPE;
- } else if (NULL == size) {
- retval = MPI_ERR_ARG;
- } else {
- *size = datatype->size;
- }
-
- smpi_bench_begin();
-
- return retval;
-}
-
-int MPI_Barrier(MPI_Comm comm)
-{
- smpi_bench_end();
- smpi_barrier(comm);
- smpi_bench_begin();
- return MPI_SUCCESS;
-}
-
-int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request *request)
-{
- int retval = MPI_SUCCESS;
- int dst;
- smpi_bench_end();
- dst = smpi_mpi_comm_rank_self(comm);
- retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, request);
- if (NULL != *request) {
- smpi_irecv(*request);
- }
- smpi_bench_begin();
- return retval;
-}
-
-int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status *status)
-{
- int retval = MPI_SUCCESS;
- int dst;
- smpi_mpi_request_t *request;
- smpi_bench_end();
- dst = smpi_mpi_comm_rank_self(comm);
- retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, &request);
- if (NULL != request) {
- smpi_irecv(request);
- smpi_wait(request, status);
- // FIXME: mallocator
- //xbt_free(request);
- }
- smpi_bench_begin();
- return retval;
-}
-
-int MPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request *request)
-{
- int retval = MPI_SUCCESS;
- int src;
- smpi_bench_end();
- src = smpi_mpi_comm_rank_self(comm);
- retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, request);
- if (NULL != *request) {
- smpi_isend(*request);
- }
- smpi_bench_begin();
- return retval;
-}
-
-int MPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm)
-{
- int retval = MPI_SUCCESS;
- int src;
- smpi_mpi_request_t *request;
- smpi_bench_end();
- src = smpi_mpi_comm_rank_self(comm);
- retval = smpi_create_request(buf, count, datatype, src, dst, tag, comm, &request);
- if (NULL != request) {
- smpi_isend(request);
- smpi_wait(request, MPI_STATUS_IGNORE);
- // FIXME: mallocator
- //xbt_free(request)
- }
- smpi_bench_begin();
- return retval;
+ smpi_bench_end(-1, NULL);
+ if(!address) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *address = (MPI_Aint)location;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
}
+
+int MPI_Type_free(MPI_Datatype* datatype) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(!datatype) {
+ retval = MPI_ERR_ARG;
+ } else {
+ // FIXME: always fail for now
+ retval = MPI_ERR_TYPE;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Type_size(MPI_Datatype datatype, size_t* size) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(size == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *size = smpi_datatype_size(datatype);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint* lb, MPI_Aint* extent) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(lb == NULL || extent == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ retval = smpi_datatype_extent(datatype, lb, extent);
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Type_extent(MPI_Datatype datatype, MPI_Aint* extent) {
+ int retval;
+ MPI_Aint dummy;
+
+ smpi_bench_end(-1, NULL);
+ if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(extent == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ retval = smpi_datatype_extent(datatype, &dummy, extent);
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Type_lb(MPI_Datatype datatype, MPI_Aint* disp) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(disp == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *disp = smpi_datatype_lb(datatype);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Type_ub(MPI_Datatype datatype, MPI_Aint* disp) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(disp == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *disp = smpi_datatype_ub(datatype);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Op_create(MPI_User_function* function, int commute, MPI_Op* op) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(function == NULL || op == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *op = smpi_op_new(function, commute);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Op_free(MPI_Op* op) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(op == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if(*op == MPI_OP_NULL) {
+ retval = MPI_ERR_OP;
+ } else {
+ smpi_op_destroy(*op);
+ *op = MPI_OP_NULL;
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_free(MPI_Group *group) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(group == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_group_destroy(*group);
+ *group = MPI_GROUP_NULL;
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_size(MPI_Group group, int* size) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(group == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(size == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *size = smpi_group_size(group);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_rank(MPI_Group group, int* rank) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(group == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(rank == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *rank = smpi_group_rank(group, smpi_process_index());
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_translate_ranks (MPI_Group group1, int n, int* ranks1, MPI_Group group2, int* ranks2) {
+ int retval, i, index;
+
+ smpi_bench_end(-1, NULL);
+ if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else {
+ for(i = 0; i < n; i++) {
+ index = smpi_group_index(group1, ranks1[i]);
+ ranks2[i] = smpi_group_rank(group2, index);
+ }
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_compare(MPI_Group group1, MPI_Group group2, int* result) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(result == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *result = smpi_group_compare(group1, group2);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_union(MPI_Group group1, MPI_Group group2, MPI_Group* newgroup) {
+ int retval, i, proc1, proc2, size, size2;
+
+ smpi_bench_end(-1, NULL);
+ if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newgroup == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ size = smpi_group_size(group1);
+ size2 = smpi_group_size(group2);
+ for(i = 0; i < size2; i++) {
+ proc2 = smpi_group_index(group2, i);
+ proc1 = smpi_group_rank(group1, proc2);
+ if(proc1 == MPI_UNDEFINED) {
+ size++;
+ }
+ }
+ if(size == 0) {
+ *newgroup = MPI_GROUP_EMPTY;
+ } else {
+ *newgroup = smpi_group_new(size);
+ size2 = smpi_group_size(group1);
+ for(i = 0; i < size2; i++) {
+ proc1 = smpi_group_index(group1, i);
+ smpi_group_set_mapping(*newgroup, proc1, i);
+ }
+ for(i = size2; i < size; i++) {
+ proc2 = smpi_group_index(group2, i - size2);
+ smpi_group_set_mapping(*newgroup, proc2, i);
+ }
+ }
+ smpi_group_use(*newgroup);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_intersection(MPI_Group group1, MPI_Group group2, MPI_Group* newgroup) {
+ int retval, i, proc1, proc2, size, size2;
+
+ smpi_bench_end(-1, NULL);
+ if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newgroup == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ size = smpi_group_size(group1);
+ size2 = smpi_group_size(group2);
+ for(i = 0; i < size2; i++) {
+ proc2 = smpi_group_index(group2, i);
+ proc1 = smpi_group_rank(group1, proc2);
+ if(proc1 == MPI_UNDEFINED) {
+ size--;
+ }
+ }
+ if(size == 0) {
+ *newgroup = MPI_GROUP_EMPTY;
+ } else {
+ *newgroup = smpi_group_new(size);
+ size2 = smpi_group_size(group1);
+ for(i = 0; i < size2; i++) {
+ proc1 = smpi_group_index(group1, i);
+ proc2 = smpi_group_rank(group2, proc1);
+ if(proc2 != MPI_UNDEFINED) {
+ smpi_group_set_mapping(*newgroup, proc1, i);
+ }
+ }
+ }
+ smpi_group_use(*newgroup);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_difference(MPI_Group group1, MPI_Group group2, MPI_Group* newgroup) {
+ int retval, i, proc1, proc2, size, size2;
+
+ smpi_bench_end(-1, NULL);
+ if(group1 == MPI_GROUP_NULL || group2 == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newgroup == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ size = size2 = smpi_group_size(group1);
+ for(i = 0; i < size2; i++) {
+ proc1 = smpi_group_index(group1, i);
+ proc2 = smpi_group_rank(group2, proc1);
+ if(proc2 != MPI_UNDEFINED) {
+ size--;
+ }
+ }
+ if(size == 0) {
+ *newgroup = MPI_GROUP_EMPTY;
+ } else {
+ *newgroup = smpi_group_new(size);
+ for(i = 0; i < size2; i++) {
+ proc1 = smpi_group_index(group1, i);
+ proc2 = smpi_group_rank(group2, proc1);
+ if(proc2 == MPI_UNDEFINED) {
+ smpi_group_set_mapping(*newgroup, proc1, i);
+ }
+ }
+ }
+ smpi_group_use(*newgroup);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_incl(MPI_Group group, int n, int* ranks, MPI_Group* newgroup) {
+ int retval, i, index;
+
+ smpi_bench_end(-1, NULL);
+ if(group == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newgroup == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ if(n == 0) {
+ *newgroup = MPI_GROUP_EMPTY;
+ } else if(n == smpi_group_size(group)) {
+ *newgroup = group;
+ } else {
+ *newgroup = smpi_group_new(n);
+ for(i = 0; i < n; i++) {
+ index = smpi_group_index(group, ranks[i]);
+ smpi_group_set_mapping(*newgroup, index, i);
+ }
+ }
+ smpi_group_use(*newgroup);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_excl(MPI_Group group, int n, int* ranks, MPI_Group* newgroup) {
+ int retval, i, size, rank, index;
+
+ smpi_bench_end(-1, NULL);
+ if(group == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newgroup == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ if(n == 0) {
+ *newgroup = group;
+ } else if(n == smpi_group_size(group)) {
+ *newgroup = MPI_GROUP_EMPTY;
+ } else {
+ size = smpi_group_size(group) - n;
+ *newgroup = smpi_group_new(size);
+ rank = 0;
+ while(rank < size) {
+ for(i = 0; i < n; i++) {
+ if(ranks[i] == rank) {
+ break;
+ }
+ }
+ if(i >= n) {
+ index = smpi_group_index(group, rank);
+ smpi_group_set_mapping(*newgroup, index, rank);
+ rank++;
+ }
+ }
+ }
+ smpi_group_use(*newgroup);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_range_incl(MPI_Group group, int n, int ranges[][3], MPI_Group* newgroup) {
+ int retval, i, j, rank, size, index;
+
+ smpi_bench_end(-1, NULL);
+ if(group == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newgroup == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ if(n == 0) {
+ *newgroup = MPI_GROUP_EMPTY;
+ } else {
+ size = 0;
+ for(i = 0; i < n; i++) {
+ for(rank = ranges[i][0]; /* First */
+ rank >= 0 && rank <= ranges[i][1]; /* Last */
+ rank += ranges[i][2] /* Stride */) {
+ size++;
+ }
+ }
+ if(size == smpi_group_size(group)) {
+ *newgroup = group;
+ } else {
+ *newgroup = smpi_group_new(size);
+ j = 0;
+ for(i = 0; i < n; i++) {
+ for(rank = ranges[i][0]; /* First */
+ rank >= 0 && rank <= ranges[i][1]; /* Last */
+ rank += ranges[i][2] /* Stride */) {
+ index = smpi_group_index(group, rank);
+ smpi_group_set_mapping(*newgroup, index, j);
+ j++;
+ }
+ }
+ }
+ }
+ smpi_group_use(*newgroup);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Group_range_excl(MPI_Group group, int n, int ranges[][3], MPI_Group* newgroup) {
+ int retval, i, newrank, rank, size, index, add;
+
+ smpi_bench_end(-1, NULL);
+ if(group == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newgroup == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ if(n == 0) {
+ *newgroup = group;
+ } else {
+ size = smpi_group_size(group);
+ for(i = 0; i < n; i++) {
+ for(rank = ranges[i][0]; /* First */
+ rank >= 0 && rank <= ranges[i][1]; /* Last */
+ rank += ranges[i][2] /* Stride */) {
+ size--;
+ }
+ }
+ if(size == 0) {
+ *newgroup = MPI_GROUP_EMPTY;
+ } else {
+ *newgroup = smpi_group_new(size);
+ newrank = 0;
+ while(newrank < size) {
+ for(i = 0; i < n; i++) {
+ add = 1;
+ for(rank = ranges[i][0]; /* First */
+ rank >= 0 && rank <= ranges[i][1]; /* Last */
+ rank += ranges[i][2] /* Stride */) {
+ if(rank == newrank) {
+ add = 0;
+ break;
+ }
+ }
+ if(add == 1) {
+ index = smpi_group_index(group, newrank);
+ smpi_group_set_mapping(*newgroup, index, newrank);
+ }
+ }
+ }
+ }
+ }
+ smpi_group_use(*newgroup);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Comm_rank(MPI_Comm comm, int* rank) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ *rank = smpi_comm_rank(comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Comm_size(MPI_Comm comm, int* size) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(size == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *size = smpi_comm_size(comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Comm_group(MPI_Comm comm, MPI_Group* group) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(group == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *group = smpi_comm_group(comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Comm_compare(MPI_Comm comm1, MPI_Comm comm2, int* result) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(comm1 == MPI_COMM_NULL || comm2 == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(result == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ if(comm1 == comm2) { /* Same communicators means same groups */
+ *result = MPI_IDENT;
+ } else {
+ *result = smpi_group_compare(smpi_comm_group(comm1), smpi_comm_group(comm2));
+ if(*result == MPI_IDENT) {
+ *result = MPI_CONGRUENT;
+ }
+ }
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Comm_dup(MPI_Comm comm, MPI_Comm* newcomm) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(newcomm == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *newcomm = smpi_comm_new(smpi_comm_group(comm));
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm* newcomm) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(group == MPI_GROUP_NULL) {
+ retval = MPI_ERR_GROUP;
+ } else if(newcomm == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *newcomm = smpi_comm_new(group);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Comm_free(MPI_Comm* comm) {
+ int retval;
+
+ smpi_bench_end(-1, NULL);
+ if(comm == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if(*comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_comm_destroy(*comm);
+ *comm = MPI_COMM_NULL;
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Send_init(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+ smpi_bench_end(rank, "Send_init");
+ if(request == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ *request = smpi_mpi_send_init(buf, count, datatype, dst, tag, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Send_init");
+ return retval;
+}
+
+int MPI_Recv_init(void* buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request* request) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+ smpi_bench_end(rank, "Recv_init");
+ if(request == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ *request = smpi_mpi_recv_init(buf, count, datatype, src, tag, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Recv_init");
+ return retval;
+}
+
+int MPI_Start(MPI_Request* request) {
+ int retval;
+ MPI_Comm comm = (*request)->comm;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+ smpi_bench_end(rank, "Start");
+ if(request == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_mpi_start(*request);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Start");
+ return retval;
+}
+
+int MPI_Startall(int count, MPI_Request* requests) {
+ int retval;
+ MPI_Comm comm = count > 0 && requests ? requests[0]->comm : MPI_COMM_NULL;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+ smpi_bench_end(rank, "Startall");
+ if(requests == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_mpi_startall(count, requests);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Startall");
+ return retval;
+}
+
+int MPI_Request_free(MPI_Request* request) {
+ int retval;
+ MPI_Comm comm = (*request)->comm;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+ smpi_bench_end(rank, "Request_free");
+ if(request == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_mpi_request_free(request);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Request_free");
+ return retval;
+}
+
+int MPI_Irecv(void* buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Request* request) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int src_traced = smpi_group_rank(smpi_comm_group(comm), src);
+ TRACE_smpi_ptp_in (rank, src_traced, rank, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Irecv");
+ if(request == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ *request = smpi_mpi_irecv(buf, count, datatype, src, tag, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Irecv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out (rank, src_traced, rank, __FUNCTION__);
+ (*request)->recv = 1;
+#endif
+ return retval;
+}
+
+int MPI_Isend(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm, MPI_Request* request) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int dst_traced = smpi_group_rank(smpi_comm_group(comm), dst);
+ TRACE_smpi_ptp_in (rank, rank, dst_traced, __FUNCTION__);
+ TRACE_smpi_send (rank, rank, dst_traced);
+#endif
+ smpi_bench_end(rank, "Isend");
+ if(request == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ *request = smpi_mpi_isend(buf, count, datatype, dst, tag, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Isend");
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out (rank, rank, dst_traced, __FUNCTION__);
+ (*request)->send = 1;
+#endif
+ return retval;
+}
+
+int MPI_Recv(void* buf, int count, MPI_Datatype datatype, int src, int tag, MPI_Comm comm, MPI_Status* status) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int src_traced = smpi_group_rank(smpi_comm_group(comm), src);
+ TRACE_smpi_ptp_in (rank, src_traced, rank, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Recv");
+ if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_recv(buf, count, datatype, src, tag, comm, status);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Recv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out (rank, src_traced, rank, __FUNCTION__);
+ TRACE_smpi_recv (rank, src_traced, rank);
+#endif
+ return retval;
+}
+
+int MPI_Send(void* buf, int count, MPI_Datatype datatype, int dst, int tag, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int dst_traced = smpi_group_rank(smpi_comm_group(comm), dst);
+ TRACE_smpi_ptp_in (rank, rank, dst_traced, __FUNCTION__);
+ TRACE_smpi_send (rank, rank, dst_traced);
+#endif
+ smpi_bench_end(rank, "Send");
+ if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_send(buf, count, datatype, dst, tag, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Send");
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out (rank, rank, dst_traced, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Sendrecv(void* sendbuf, int sendcount, MPI_Datatype sendtype, int dst, int sendtag, void* recvbuf, int recvcount, MPI_Datatype recvtype, int src, int recvtag, MPI_Comm comm, MPI_Status* status) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int dst_traced = smpi_group_rank(smpi_comm_group(comm), dst);
+ int src_traced = smpi_group_rank(smpi_comm_group(comm), src);
+ TRACE_smpi_ptp_in (rank, src_traced, dst_traced, __FUNCTION__);
+ TRACE_smpi_send (rank, rank, dst_traced);
+ TRACE_smpi_send (rank, src_traced, rank);
+#endif
+ smpi_bench_end(rank, "Sendrecv");
+ if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if (sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ smpi_mpi_sendrecv(sendbuf, sendcount, sendtype, dst, sendtag, recvbuf, recvcount, recvtype, src, recvtag, comm, status);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Sendrecv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out (rank, src_traced, dst_traced, __FUNCTION__);
+ TRACE_smpi_recv (rank, rank, dst_traced);
+ TRACE_smpi_recv (rank, src_traced, rank);
+#endif
+ return retval;
+}
+
+int MPI_Sendrecv_replace(void* buf, int count, MPI_Datatype datatype, int dst, int sendtag, int src, int recvtag, MPI_Comm comm, MPI_Status* status) {
+ //TODO: suboptimal implementation
+ void* recvbuf;
+ int retval, size;
+
+ size = smpi_datatype_size(datatype) * count;
+ recvbuf = xbt_new(char, size);
+ retval = MPI_Sendrecv(buf, count, datatype, dst, sendtag, recvbuf, count, datatype, src, recvtag, comm, status);
+ memcpy(buf, recvbuf, size * sizeof(char));
+ xbt_free(recvbuf);
+ return retval;
+}
+
+int MPI_Test(MPI_Request* request, int* flag, MPI_Status* status) {
+ int retval;
+ int rank = request && (*request)->comm != MPI_COMM_NULL
+ ? smpi_comm_rank((*request)->comm)
+ : -1;
+
+ smpi_bench_end(rank, "Test");
+ if(request == NULL || flag == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if(*request == MPI_REQUEST_NULL) {
+ retval = MPI_ERR_REQUEST;
+ } else {
+ *flag = smpi_mpi_test(request, status);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Test");
+ return retval;
+}
+
+int MPI_Testany(int count, MPI_Request requests[], int* index, int* flag, MPI_Status* status) {
+ int retval;
+
+ smpi_bench_end(-1, NULL); //FIXME
+ if(index == NULL || flag == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *flag = smpi_mpi_testany(count, requests, index, status);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Wait(MPI_Request* request, MPI_Status* status) {
+ int retval;
+ int rank = request && (*request)->comm != MPI_COMM_NULL
+ ? smpi_comm_rank((*request)->comm)
+ : -1;
+
+#ifdef HAVE_TRACING
+ MPI_Group group = smpi_comm_group((*request)->comm);
+ int src_traced = smpi_group_rank (group , (*request)->src);
+ int dst_traced = smpi_group_rank (group , (*request)->dst);
+ int is_wait_for_receive = (*request)->recv;
+ TRACE_smpi_ptp_in (rank, src_traced, dst_traced, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Wait");
+ if(request == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if(*request == MPI_REQUEST_NULL) {
+ retval = MPI_ERR_REQUEST;
+ } else {
+ smpi_mpi_wait(request, status);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Wait");
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out (rank, src_traced, dst_traced, __FUNCTION__);
+ if (is_wait_for_receive){
+ TRACE_smpi_recv (rank, src_traced, dst_traced);
+ }
+#endif
+ return retval;
+}
+
+int MPI_Waitany(int count, MPI_Request requests[], int* index, MPI_Status* status) {
+ int retval;
+
+#ifdef HAVE_TRACING
+ //save requests information for tracing
+ int i;
+ xbt_dynar_t srcs = xbt_dynar_new (sizeof(int), xbt_free);
+ xbt_dynar_t dsts = xbt_dynar_new (sizeof(int), xbt_free);
+ xbt_dynar_t recvs = xbt_dynar_new (sizeof(int), xbt_free);
+ for (i = 0; i < count; i++){
+ MPI_Request req = requests[i]; //already received requests are no longer valid
+ if (req){
+ int *asrc = xbt_new(int, 1);
+ int *adst = xbt_new(int, 1);
+ int *arecv = xbt_new(int, 1);
+ *asrc = req->src;
+ *adst = req->dst;
+ *arecv = req->recv;
+ xbt_dynar_insert_at (srcs, i, asrc);
+ xbt_dynar_insert_at (dsts, i, adst);
+ xbt_dynar_insert_at (recvs, i, arecv);
+ }else{
+ int *t = xbt_new(int, 1);
+ xbt_dynar_insert_at (srcs, i, t);
+ xbt_dynar_insert_at (dsts, i, t);
+ xbt_dynar_insert_at (recvs, i, t);
+ }
+ }
+
+ //search for a suitable request to give the rank of current mpi proc
+ MPI_Request req = NULL;
+ for (i = 0; i < count && req == NULL; i++) {
+ req = requests[i];
+ }
+ MPI_Comm comm = (req)->comm;
+ int rank_traced = smpi_comm_rank(comm);
+ TRACE_smpi_ptp_in (rank_traced, -1, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(-1, NULL); //FIXME
+ if(index == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *index = smpi_mpi_waitany(count, requests, status);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+#ifdef HAVE_TRACING
+ int src_traced, dst_traced, is_wait_for_receive;
+ xbt_dynar_get_cpy (srcs, *index, &src_traced);
+ xbt_dynar_get_cpy (dsts, *index, &dst_traced);
+ xbt_dynar_get_cpy (recvs, *index, &is_wait_for_receive);
+ if (is_wait_for_receive){
+ TRACE_smpi_recv (rank_traced, src_traced, dst_traced);
+ }
+ TRACE_smpi_ptp_out (rank_traced, src_traced, dst_traced, __FUNCTION__);
+ //clean-up of dynars
+ xbt_free (srcs);
+ xbt_free (dsts);
+ xbt_free (recvs);
+#endif
+ return retval;
+}
+
+int MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[]) {
+
+#ifdef HAVE_TRACING
+ //save information from requests
+ int i;
+ xbt_dynar_t srcs = xbt_dynar_new (sizeof(int), xbt_free);
+ xbt_dynar_t dsts = xbt_dynar_new (sizeof(int), xbt_free);
+ xbt_dynar_t recvs = xbt_dynar_new (sizeof(int), xbt_free);
+ for (i = 0; i < count; i++){
+ MPI_Request req = requests[i]; //all req should be valid in Waitall
+ int *asrc = xbt_new(int, 1);
+ int *adst = xbt_new(int, 1);
+ int *arecv = xbt_new(int, 1);
+ *asrc = req->src;
+ *adst = req->dst;
+ *arecv = req->recv;
+ xbt_dynar_insert_at (srcs, i, asrc);
+ xbt_dynar_insert_at (dsts, i, adst);
+ xbt_dynar_insert_at (recvs, i, arecv);
+ }
+
+// find my rank inside one of MPI_Comm's of the requests
+ MPI_Request req = NULL;
+ for (i = 0; i < count && req == NULL; i++) {
+ req = requests[i];
+ }
+ MPI_Comm comm = (req)->comm;
+ int rank_traced = smpi_comm_rank(comm);
+ TRACE_smpi_ptp_in (rank_traced, -1, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(-1, NULL); //FIXME
+ smpi_mpi_waitall(count, requests, status);
+ smpi_bench_begin(-1, NULL);
+#ifdef HAVE_TRACING
+ for (i = 0; i < count; i++){
+ int src_traced, dst_traced, is_wait_for_receive;
+ xbt_dynar_get_cpy (srcs, i, &src_traced);
+ xbt_dynar_get_cpy (dsts, i, &dst_traced);
+ xbt_dynar_get_cpy (recvs, i, &is_wait_for_receive);
+ if (is_wait_for_receive){
+ TRACE_smpi_recv (rank_traced, src_traced, dst_traced);
+ }
+ }
+ TRACE_smpi_ptp_out (rank_traced, -1, -1, __FUNCTION__);
+ //clean-up of dynars
+ xbt_free (srcs);
+ xbt_free (dsts);
+ xbt_free (recvs);
+#endif
+ return MPI_SUCCESS;
+}
+
+int MPI_Waitsome(int incount, MPI_Request requests[], int* outcount, int* indices, MPI_Status status[]) {
+ int retval;
+
+ smpi_bench_end(-1, NULL); //FIXME
+ if(outcount == NULL || indices == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *outcount = smpi_mpi_waitsome(incount, requests, indices, status);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Bcast(void* buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Bcast");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_bcast(buf, count, datatype, root, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Bcast");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Barrier(MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Barrier");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_barrier(comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Barrier");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Gather(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Gather");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ smpi_mpi_gather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Gather");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Gatherv(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int* recvcounts, int* displs, MPI_Datatype recvtype, int root, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Gatherv");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(recvcounts == NULL || displs == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_mpi_gatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, root, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Gatherv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Allgather(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Allgather");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ smpi_mpi_allgather(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Allgather");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Allgatherv(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int* recvcounts, int* displs, MPI_Datatype recvtype, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Allgatherv");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(recvcounts == NULL || displs == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_mpi_allgatherv(sendbuf, sendcount, sendtype, recvbuf, recvcounts, displs, recvtype, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Allgatherv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Scatter(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Scatter");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ smpi_mpi_scatter(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, root, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Scatter");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Scatterv(void* sendbuf, int* sendcounts, int* displs, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, int root, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Scatterv");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(sendcounts == NULL || displs == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_mpi_scatterv(sendbuf, sendcounts, displs, sendtype, recvbuf, recvcount, recvtype, root, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Scatterv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Reduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in (rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Reduce");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(datatype == MPI_DATATYPE_NULL || op == MPI_OP_NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Reduce");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, root_traced, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Allreduce(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Allreduce");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(op == MPI_OP_NULL) {
+ retval = MPI_ERR_OP;
+ } else {
+ smpi_mpi_allreduce(sendbuf, recvbuf, count, datatype, op, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Allreduce");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Scan(void* sendbuf, void* recvbuf, int count, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Scan");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(op == MPI_OP_NULL) {
+ retval = MPI_ERR_OP;
+ } else {
+ smpi_mpi_scan(sendbuf, recvbuf, count, datatype, op, comm);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Scan");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Reduce_scatter(void* sendbuf, void* recvbuf, int* recvcounts, MPI_Datatype datatype, MPI_Op op, MPI_Comm comm) {
+ int retval, i, size, count;
+ int* displs;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Reduce_scatter");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(op == MPI_OP_NULL) {
+ retval = MPI_ERR_OP;
+ } else if(recvcounts == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ /* arbitrarily choose root as rank 0 */
+ /* TODO: faster direct implementation ? */
+ size = smpi_comm_size(comm);
+ count = 0;
+ displs = xbt_new(int, size);
+ for(i = 0; i < size; i++) {
+ count += recvcounts[i];
+ displs[i] = 0;
+ }
+ smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, 0, comm);
+ smpi_mpi_scatterv(recvbuf, recvcounts, displs, datatype, recvbuf, recvcounts[rank], datatype, 0, comm);
+ xbt_free(displs);
+ retval = MPI_SUCCESS;
+ }
+ smpi_bench_begin(rank, "Reduce_scatter");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Alltoall(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm) {
+ int retval, size, sendsize;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Alltoall");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ size = smpi_comm_size(comm);
+ sendsize = smpi_datatype_size(sendtype) * sendcount;
+ if(sendsize < 200 && size > 12) {
+ retval = smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm);
+ } else if(sendsize < 3000) {
+ retval = smpi_coll_tuned_alltoall_basic_linear(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm);
+ } else {
+ retval = smpi_coll_tuned_alltoall_pairwise(sendbuf, sendcount, sendtype, recvbuf, recvcount, recvtype, comm);
+ }
+ }
+ smpi_bench_begin(rank, "Alltoall");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+int MPI_Alltoallv(void* sendbuf, int* sendcounts, int* senddisps, MPI_Datatype sendtype, void* recvbuf, int *recvcounts, int* recvdisps, MPI_Datatype recvtype, MPI_Comm comm) {
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in (rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_end(rank, "Alltoallv");
+ if(comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else if(sendtype == MPI_DATATYPE_NULL || recvtype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else if(sendcounts == NULL || senddisps == NULL || recvcounts == NULL || recvdisps == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ retval = smpi_coll_basic_alltoallv(sendbuf, sendcounts, senddisps, sendtype, recvbuf, recvcounts, recvdisps, recvtype, comm);
+ }
+ smpi_bench_begin(rank, "Alltoallv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out (rank, -1, __FUNCTION__);
+#endif
+ return retval;
+}
+
+
+int MPI_Get_processor_name( char *name, int *resultlen ) {
+ int retval = MPI_SUCCESS;
+ smpi_bench_end(-1, NULL);
+ strncpy( name , SIMIX_host_get_name(SIMIX_host_self()), MPI_MAX_PROCESSOR_NAME-1);
+ *resultlen= strlen(name) > MPI_MAX_PROCESSOR_NAME ? MPI_MAX_PROCESSOR_NAME : strlen(name);
+
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
