+/* 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)");
+
+#ifdef HAVE_TRACING
+//this function need to be here because of the calls to smpi_bench
+int TRACE_smpi_set_category(const char *category)
+{
+ //need to end bench otherwise categories for execution tasks are wrong
+ smpi_bench_end (-1, NULL);
+ int ret;
+ if (!IS_TRACING){
+ ret = 1;
+ }else{
+ if (category != NULL) {
+ ret = TRACE_category(category);
+ TRACE_category_set(SIMIX_process_self(), category);
+ }else{
+ //if category is NULL, trace of platform is disabled for this process
+ TRACE_category_unset(SIMIX_process_self());
+ ret = 0;
+ }
+ }
+ //begin bench after changing process's category
+ smpi_bench_begin (-1, NULL);
+ return ret;
+}
+#endif
+
+/* MPI User level calls */
int MPI_Init(int *argc, char ***argv)
{
- smpi_mpi_init();
- smpi_bench_begin();
- return MPI_SUCCESS;
+ smpi_process_init(argc, argv);
+#ifdef HAVE_TRACING
+ TRACE_smpi_init(smpi_process_index());
+#endif
+ smpi_bench_begin(-1, NULL);
+ return MPI_SUCCESS;
+}
+
+int MPI_Finalize(void)
+{
+ smpi_bench_end(-1, NULL);
+#ifdef HAVE_TRACING
+ TRACE_smpi_finalize(smpi_process_index());
+#endif
+ smpi_process_destroy();
+ return MPI_SUCCESS;
+}
+
+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_Finalize()
+int MPI_Query_thread(int *provided)
{
- smpi_bench_end();
- smpi_mpi_finalize();
- return MPI_SUCCESS;
+ int retval;
+
+ 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_Is_thread_main(int *flag)
+{
+ int retval;
+
+ 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;
}
-// 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);
+ 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;
- return 0;
+ smpi_bench_end(-1, NULL);
+ time = SIMIX_get_clock();
+ smpi_bench_begin(-1, NULL);
+ return time;
}
-int MPI_Comm_size(MPI_Comm comm, int *size)
+int MPI_Address(void *location, MPI_Aint * address)
+{
+ int 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, int *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 = (int) 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 = MPI_SUCCESS;
+ 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;
+}
- smpi_bench_end();
+int MPI_Type_ub(MPI_Datatype datatype, MPI_Aint * disp)
+{
+ int retval;
- if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else if (NULL == size) {
- retval = MPI_ERR_ARG;
- } else {
- *size = comm->size;
- }
+ 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;
+}
- smpi_bench_begin();
+int MPI_Op_create(MPI_User_function * function, int commute, MPI_Op * op)
+{
+ int retval;
- return 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 = MPI_SUCCESS;
+ 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();
+ 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;
- if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else if (NULL == rank) {
- retval = MPI_ERR_ARG;
- } else {
- *rank = smpi_mpi_comm_rank(comm, SIMIX_host_self());
- }
+ 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;
+}
- smpi_bench_begin();
+int MPI_Comm_dup(MPI_Comm comm, MPI_Comm * newcomm)
+{
+ int retval;
- return 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_Type_size(MPI_Datatype datatype, size_t *size)
+int MPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm * newcomm)
{
- int retval = MPI_SUCCESS;
+ int retval;
- smpi_bench_end();
+ 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;
+}
- if (NULL == datatype) {
- retval = MPI_ERR_TYPE;
- } else if (NULL == size) {
- retval = MPI_ERR_ARG;
- } else {
- *size = datatype->size;
- }
+int MPI_Comm_free(MPI_Comm * comm)
+{
+ int retval;
- smpi_bench_begin();
+ 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;
+}
- 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;
+
+ smpi_bench_end(rank, "Irecv");
+#ifdef HAVE_TRACING
+ int src_traced = smpi_group_rank(smpi_comm_group(comm), src);
+ TRACE_smpi_ptp_in(rank, src_traced, rank, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out(rank, src_traced, rank, __FUNCTION__);
+ (*request)->recv = 1;
+#endif
+ smpi_bench_begin(rank, "Irecv");
+ 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;
+
+ smpi_bench_end(rank, "Isend");
+#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
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out(rank, rank, dst_traced, __FUNCTION__);
+ (*request)->send = 1;
+#endif
+ smpi_bench_begin(rank, "Isend");
+ 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;
+
+ smpi_bench_end(rank, "Recv");
+#ifdef HAVE_TRACING
+ int src_traced = smpi_group_rank(smpi_comm_group(comm), src);
+ TRACE_smpi_ptp_in(rank, src_traced, rank, __FUNCTION__);
+#endif
+ if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_recv(buf, count, datatype, src, tag, comm, status);
+ retval = MPI_SUCCESS;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out(rank, src_traced, rank, __FUNCTION__);
+ TRACE_smpi_recv(rank, src_traced, rank);
+#endif
+ smpi_bench_begin(rank, "Recv");
+ 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;
+
+ smpi_bench_end(rank, "Send");
+#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
+ if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_send(buf, count, datatype, dst, tag, comm);
+ retval = MPI_SUCCESS;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out(rank, rank, dst_traced, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Send");
+ 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;
+
+ smpi_bench_end(rank, "Sendrecv");
+#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
+ 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;
+ }
+#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
+ smpi_bench_begin(rank, "Sendrecv");
+ 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;
+
+ smpi_bench_end(rank, "Wait");
+#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
+ 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;
+ }
+#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
+ smpi_bench_begin(rank, "Wait");
+ return retval;
+}
+
+int MPI_Waitany(int count, MPI_Request requests[], int *index,
+ MPI_Status * status)
+{
+ int retval;
+
+ smpi_bench_end(-1, NULL); //FIXME
+#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);
+ }
+ }
+ int rank_traced = smpi_comm_rank(MPI_COMM_WORLD);
+ TRACE_smpi_ptp_in(rank_traced, -1, -1, __FUNCTION__);
+#endif
+ if (index == NULL) {
+ retval = MPI_ERR_ARG;
+ } else {
+ *index = smpi_mpi_waitany(count, requests, status);
+ retval = MPI_SUCCESS;
+ }
+#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
+ smpi_bench_begin(-1, NULL);
+ return retval;
+}
+
+int MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
+{
+
+ smpi_bench_end(-1, NULL); //FIXME
+#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);
+ }
+ int rank_traced = smpi_comm_rank (MPI_COMM_WORLD);
+ TRACE_smpi_ptp_in(rank_traced, -1, -1, __FUNCTION__);
+#endif
+ smpi_mpi_waitall(count, requests, status);
+#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
+ smpi_bench_begin(-1, NULL);
+ 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;
+
+ smpi_bench_end(rank, "Bcast");
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
+#endif
+ if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_bcast(buf, count, datatype, root, comm);
+ retval = MPI_SUCCESS;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Bcast");
+ return retval;
}
-// FIXME: check comm value and barrier success...
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 && MPI_SUCCESS == retval) {
- retval = 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;
- int rank;
- 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 && MPI_SUCCESS == retval) {
- retval = smpi_irecv(request);
- if (MPI_SUCCESS == retval) {
- retval = smpi_wait(request, status);
- }
- rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
- xbt_mallocator_release(smpi_global->request_mallocator, 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 && MPI_SUCCESS == retval) {
- retval = 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;
- int rank;
- 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 && MPI_SUCCESS == retval) {
- retval = smpi_isend(request);
- if (MPI_SUCCESS == retval) {
- smpi_wait(request, MPI_STATUS_IGNORE);
- }
- rank = smpi_mpi_comm_rank_self(smpi_mpi_global->mpi_comm_world);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- }
- smpi_bench_begin();
- return retval;
+ int retval;
+ int rank = comm != MPI_COMM_NULL ? smpi_comm_rank(comm) : -1;
+
+ smpi_bench_end(rank, "Barrier");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ if (comm == MPI_COMM_NULL) {
+ retval = MPI_ERR_COMM;
+ } else {
+ smpi_mpi_barrier(comm);
+ retval = MPI_SUCCESS;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Barrier");
+ 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;
+
+ smpi_bench_end(rank, "Gather");
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Gather");
+ 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;
+
+ smpi_bench_end(rank, "Gatherv");
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Gatherv");
+ 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;
+
+ smpi_bench_end(rank, "Allgather");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Allgather");
+ 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;
+
+ smpi_bench_end(rank, "Allgatherv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Allgatherv");
+ 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;
+
+ smpi_bench_end(rank, "Scatter");
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Scatter");
+ 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;
+
+ smpi_bench_end(rank, "Scatterv");
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Scatterv");
+ 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;
+
+ smpi_bench_end(rank, "Reduce");
+#ifdef HAVE_TRACING
+ int root_traced = smpi_group_rank(smpi_comm_group(comm), root);
+ TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, root_traced, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Reduce");
+ 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;
+
+ smpi_bench_end(rank, "Allreduce");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Allreduce");
+ 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;
+
+ smpi_bench_end(rank, "Scan");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Scan");
+ 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;
+
+ smpi_bench_end(rank, "Reduce_scatter");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ 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;
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Reduce_scatter");
+ 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;
+
+ smpi_bench_end(rank, "Alltoall");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ 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);
+ }
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Alltoall");
+ 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;
+
+ smpi_bench_end(rank, "Alltoallv");
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_in(rank, -1, __FUNCTION__);
+#endif
+ 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);
+ }
+#ifdef HAVE_TRACING
+ TRACE_smpi_collective_out(rank, -1, __FUNCTION__);
+#endif
+ smpi_bench_begin(rank, "Alltoallv");
+ 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;
+}
+
+int MPI_Get_count(MPI_Status * status, MPI_Datatype datatype, int *count)
+{
+ int retval = MPI_SUCCESS;
+ size_t size;
+
+ smpi_bench_end(-1, NULL);
+ if (status == NULL || count == NULL) {
+ retval = MPI_ERR_ARG;
+ } else if (datatype == MPI_DATATYPE_NULL) {
+ retval = MPI_ERR_TYPE;
+ } else {
+ size = smpi_datatype_size(datatype);
+ if (size == 0) {
+ *count = 0;
+ } else if (status->count % size != 0) {
+ retval = MPI_UNDEFINED;
+ } else {
+ *count = smpi_mpi_get_count(status, datatype);
+ }
+ }
+ smpi_bench_begin(-1, NULL);
+ return retval;
}