-/* $Id$tag */
-
-/* smpi_mpi.c --
- *
- * Eventually will contain the user level MPI primitives and its corresponding
- * internal wrapper. The implementations of these primitives should go to specific
- * files. For example, a SMPI_MPI_Bcast() in this file, should call the wrapper
- * smpi_mpi_bcast(), which decides which implementation to call. Currently, it
- * calls nary_tree_bcast() in smpi_coll.c. (Stéphane Genaud).
- * */
-
+/* 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"
+#include "simgrid/sg_config.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi, smpi,
"Logging specific to SMPI (mpi)");
-int SMPI_MPI_Init(int *argc, char ***argv)
+/* MPI User level calls */
+
+int MPI_Init(int *argc, char ***argv)
{
- smpi_process_init(argc, argv);
- smpi_bench_begin();
- return MPI_SUCCESS;
+ int allgather_id = find_coll_description(mpi_coll_allgather_description,
+ sg_cfg_get_string("smpi/allgather"));
+ mpi_coll_allgather_fun = (int (*)(void *, int, MPI_Datatype,
+ void*, int, MPI_Datatype, MPI_Comm))
+ mpi_coll_allgather_description[allgather_id].coll;
+
+ int allreduce_id = find_coll_description(mpi_coll_allreduce_description,
+ sg_cfg_get_string("smpi/allreduce"));
+ mpi_coll_allreduce_fun = (int (*)(void *sbuf, void *rbuf, int rcount, \
+ MPI_Datatype dtype, MPI_Op op, MPI_Comm comm))
+ mpi_coll_allreduce_description[allreduce_id].coll;
+
+ int alltoall_id = find_coll_description(mpi_coll_alltoall_description,
+ sg_cfg_get_string("smpi/alltoall"));
+ mpi_coll_alltoall_fun = (int (*)(void *, int, MPI_Datatype,
+ void*, int, MPI_Datatype, MPI_Comm))
+ mpi_coll_alltoall_description[alltoall_id].coll;
+
+ int bcast_id = find_coll_description(mpi_coll_bcast_description,
+ sg_cfg_get_string("smpi/bcast"));
+ mpi_coll_bcast_fun = (int (*)(void *buf, int count, MPI_Datatype datatype, \
+ int root, MPI_Comm com))
+ mpi_coll_bcast_description[bcast_id].coll;
+
+ int reduce_id = find_coll_description(mpi_coll_reduce_description,
+ sg_cfg_get_string("smpi/reduce"));
+ mpi_coll_reduce_fun = (int (*)(void *buf, void *rbuf, int count, MPI_Datatype datatype, \
+ MPI_Op op, int root, MPI_Comm comm))
+ mpi_coll_reduce_description[reduce_id].coll;
+
+ return PMPI_Init(argc, argv);
}
-int SMPI_MPI_Finalize()
+int MPI_Finalize(void)
{
- smpi_bench_end();
- smpi_process_finalize();
- return MPI_SUCCESS;
+ return PMPI_Finalize();
}
-// right now this just exits the current node, should send abort signal to all
-// hosts in the communicator (TODO)
-int SMPI_MPI_Abort(MPI_Comm comm, int errorcode)
+int MPI_Init_thread(int *argc, char ***argv, int required, int *provided)
{
- smpi_exit(errorcode);
- return 0;
+ return PMPI_Init_thread(argc, argv, required, provided);
}
-int SMPI_MPI_Comm_size(MPI_Comm comm, int *size)
+int MPI_Query_thread(int *provided)
{
- int retval = MPI_SUCCESS;
+ return PMPI_Query_thread(provided);
+}
- smpi_bench_end();
+int MPI_Is_thread_main(int *flag)
+{
+ return PMPI_Is_thread_main(flag);
+}
- 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)
+{
+ return PMPI_Abort(comm, errorcode);
+}
- smpi_bench_begin();
+double MPI_Wtime(void)
+{
+ return PMPI_Wtime();
+}
- return retval;
+double MPI_Wtick(void)
+{
+ return PMPI_Wtick();
}
-int SMPI_MPI_Comm_rank(MPI_Comm comm, int *rank)
+int MPI_Address(void *location, MPI_Aint * address)
{
- int retval = MPI_SUCCESS;
+ return PMPI_Address(location, address);
+}
- smpi_bench_end();
+int MPI_Type_free(MPI_Datatype * datatype)
+{
+ return PMPI_Type_free(datatype);
+}
- if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else if (NULL == rank) {
- retval = MPI_ERR_ARG;
- } else {
- *rank = smpi_mpi_comm_rank(comm);
- }
+int MPI_Pcontrol(const int level )
+{
+ return PMPI_Pcontrol(level);
+}
- smpi_bench_begin();
+int MPI_Type_size(MPI_Datatype datatype, int *size)
+{
+ return PMPI_Type_size(datatype, size);
+}
- return retval;
+int MPI_Type_get_extent(MPI_Datatype datatype, MPI_Aint * lb, MPI_Aint * extent)
+{
+ return PMPI_Type_get_extent(datatype, lb, extent);
}
+int MPI_Type_extent(MPI_Datatype datatype, MPI_Aint * extent)
+{
+ return PMPI_Type_extent(datatype, extent);
+}
+int MPI_Type_lb(MPI_Datatype datatype, MPI_Aint * disp)
+{
+ return PMPI_Type_lb(datatype, disp);
+}
-/**
- * Barrier
- **/
-int SMPI_MPI_Barrier(MPI_Comm comm)
+int MPI_Type_ub(MPI_Datatype datatype, MPI_Aint * disp)
{
- int retval = MPI_SUCCESS;
- int arity=4;
+ return PMPI_Type_ub(datatype, disp);
+}
- smpi_bench_end();
+int MPI_Op_create(MPI_User_function * function, int commute, MPI_Op * op)
+{
+ return PMPI_Op_create(function, commute, op);
+}
- if (NULL == comm) {
- retval = MPI_ERR_COMM;
- } else {
+int MPI_Op_free(MPI_Op * op)
+{
+ return PMPI_Op_free(op);
+}
- /*
- * original implemantation:
- * retval = smpi_mpi_barrier(comm);
- * this one is unrealistic: it just cond_waits, means no time.
- */
- retval = nary_tree_barrier( comm, arity );
- }
+int MPI_Group_free(MPI_Group * group)
+{
+ return PMPI_Group_free(group);
+}
- smpi_bench_begin();
+int MPI_Group_size(MPI_Group group, int *size)
+{
+ return PMPI_Group_size(group, size);
+}
- return retval;
+int MPI_Group_rank(MPI_Group group, int *rank)
+{
+ return PMPI_Group_rank(group, rank);
}
+int MPI_Group_translate_ranks(MPI_Group group1, int n, int *ranks1,
+ MPI_Group group2, int *ranks2)
+{
+ return PMPI_Group_translate_ranks(group1, n, ranks1, group2, ranks2);
+}
+int MPI_Group_compare(MPI_Group group1, MPI_Group group2, int *result)
+{
+ return PMPI_Group_compare(group1, group2, result);
+}
-int SMPI_MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src,
- int tag, MPI_Comm comm, MPI_Request * request)
+int MPI_Group_union(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
{
- int retval = MPI_SUCCESS;
- int rank;
+ return PMPI_Group_union(group1, group2, newgroup);
+}
- smpi_bench_end();
- rank = smpi_mpi_comm_rank(comm);
- retval = smpi_create_request(buf, count, datatype, src, rank, tag, comm,
- request);
- if (NULL != *request && MPI_SUCCESS == retval) {
- retval = smpi_mpi_irecv(*request);
- }
+int MPI_Group_intersection(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
+{
+ return PMPI_Group_intersection(group1, group2, newgroup);
+}
- smpi_bench_begin();
+int MPI_Group_difference(MPI_Group group1, MPI_Group group2, MPI_Group * newgroup)
+{
+ return PMPI_Group_difference(group1, group2, newgroup);
+}
- return retval;
+int MPI_Group_incl(MPI_Group group, int n, int *ranks, MPI_Group * newgroup)
+{
+ return PMPI_Group_incl(group, n, ranks, newgroup);
}
-int SMPI_MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src,
- int tag, MPI_Comm comm, MPI_Status * status)
+int MPI_Group_excl(MPI_Group group, int n, int *ranks, MPI_Group * newgroup)
{
- int retval = MPI_SUCCESS;
- int rank;
- smpi_mpi_request_t request;
+ return PMPI_Group_excl(group, n, ranks, newgroup);
+}
- smpi_bench_end();
+int MPI_Group_range_incl(MPI_Group group, int n, int ranges[][3],
+ MPI_Group * newgroup)
+{
+ return PMPI_Group_range_incl(group, n, ranges, newgroup);
+}
- rank = smpi_mpi_comm_rank(comm);
- retval = smpi_create_request(buf, count, datatype, src, rank, tag, comm,
- &request);
- if (NULL != request && MPI_SUCCESS == retval) {
- retval = smpi_mpi_irecv(request);
- if (MPI_SUCCESS == retval) {
- retval = smpi_mpi_wait(request, status);
- }
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- }
+int MPI_Group_range_excl(MPI_Group group, int n, int ranges[][3],
+ MPI_Group * newgroup)
+{
+ return PMPI_Group_range_excl(group, n, ranges, newgroup);
+}
- smpi_bench_begin();
+int MPI_Comm_rank(MPI_Comm comm, int *rank)
+{
+ return PMPI_Comm_rank(comm, rank);
+}
- return retval;
+int MPI_Comm_size(MPI_Comm comm, int *size)
+{
+ return PMPI_Comm_size(comm, size);
}
-int SMPI_MPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst,
- int tag, MPI_Comm comm, MPI_Request * request)
+int MPI_Comm_get_attr (MPI_Comm comm, int comm_keyval, void *attribute_val, int *flag)
{
- int retval = MPI_SUCCESS;
- int rank;
+ return PMPI_Comm_get_attr (comm, comm_keyval, attribute_val, flag);
+}
- smpi_bench_end();
+int MPI_Comm_get_name (MPI_Comm comm, char* name, int* len)
+{
+ return PMPI_Comm_get_name(comm, name, len);
+}
- rank = smpi_mpi_comm_rank(comm);
- retval = smpi_create_request(buf, count, datatype, rank, dst, tag, comm,
- request);
- if (NULL != *request && MPI_SUCCESS == retval) {
- retval = smpi_mpi_isend(*request);
- }
+int MPI_Comm_group(MPI_Comm comm, MPI_Group * group)
+{
+ return PMPI_Comm_group(comm, group);
+}
- smpi_bench_begin();
+int MPI_Comm_compare(MPI_Comm comm1, MPI_Comm comm2, int *result)
+{
+ return PMPI_Comm_compare(comm1, comm2, result);
+}
- return retval;
+int MPI_Comm_dup(MPI_Comm comm, MPI_Comm * newcomm)
+{
+ return PMPI_Comm_dup(comm, newcomm);
}
-/**
- * MPI_Send user level
- **/
-int SMPI_MPI_Send(void *buf, int count, MPI_Datatype datatype, int dst,
- int tag, MPI_Comm comm)
+int MPI_Comm_create(MPI_Comm comm, MPI_Group group, MPI_Comm * newcomm)
{
- int retval = MPI_SUCCESS;
- int rank;
- smpi_mpi_request_t request;
+ return PMPI_Comm_create(comm, group, newcomm);
+}
- smpi_bench_end();
+int MPI_Comm_free(MPI_Comm * comm)
+{
+ return PMPI_Comm_free(comm);
+}
+
+int MPI_Comm_disconnect(MPI_Comm * comm)
+{
+ return PMPI_Comm_disconnect(comm);
+}
+
+int MPI_Comm_split(MPI_Comm comm, int color, int key, MPI_Comm* comm_out)
+{
+ return PMPI_Comm_split(comm, color, key, comm_out);
+}
- rank = smpi_mpi_comm_rank(comm);
- retval = smpi_create_request(buf, count, datatype, rank, dst, tag, comm,
- &request);
- if (NULL != request && MPI_SUCCESS == retval) {
- retval = smpi_mpi_isend(request);
- if (MPI_SUCCESS == retval) {
- smpi_mpi_wait(request, MPI_STATUS_IGNORE);
- }
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- }
+int MPI_Send_init(void *buf, int count, MPI_Datatype datatype, int dst,
+ int tag, MPI_Comm comm, MPI_Request * request)
+{
+ return PMPI_Send_init(buf, count, datatype, dst, tag, comm, request);
+}
- smpi_bench_begin();
+int MPI_Recv_init(void *buf, int count, MPI_Datatype datatype, int src,
+ int tag, MPI_Comm comm, MPI_Request * request)
+{
+ return PMPI_Recv_init(buf, count, datatype, src, tag, comm, request);
+}
- return retval;
+int MPI_Start(MPI_Request * request)
+{
+ return PMPI_Start(request);
}
+int MPI_Startall(int count, MPI_Request * requests)
+{
+ return PMPI_Startall(count, requests);
+}
-/**
- * MPI_Sendrecv internal level
- **/
-int smpi_mpi_sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype, int dest, int sendtag,
- void *recvbuf, int recvcount, MPI_Datatype recvtype, int source, int recvtag,
- MPI_Comm comm, MPI_Status *status)
+int MPI_Request_free(MPI_Request * request)
{
-int rank;
-int retval = MPI_SUCCESS;
-smpi_mpi_request_t srequest;
-smpi_mpi_request_t rrequest;
+ return PMPI_Request_free(request);
+}
- rank = smpi_mpi_comm_rank(comm);
+int MPI_Irecv(void *buf, int count, MPI_Datatype datatype, int src,
+ int tag, MPI_Comm comm, MPI_Request * request)
+{
+ return PMPI_Irecv(buf, count, datatype, src, tag, comm, request);
+}
- /* send */
- retval = smpi_create_request(sendbuf, sendcount, sendtype,
- rank,dest,sendtag,
- comm, &srequest);
- smpi_mpi_isend(srequest);
-
- /* recv */
- retval = smpi_create_request(recvbuf, recvcount, recvtype,
- source, rank,recvtag,
- comm, &rrequest);
- smpi_mpi_irecv(rrequest);
+int MPI_Isend(void *buf, int count, MPI_Datatype datatype, int dst,
+ int tag, MPI_Comm comm, MPI_Request * request)
+{
+ return PMPI_Isend(buf, count, datatype, dst, tag, comm, request);
+}
- smpi_mpi_wait(srequest, MPI_STATUS_IGNORE);
- //printf("[%d] isend request src=%d dst=%d tag=%d COMPLETED (retval=%d) \n",rank,rank,dest,sendtag,retval);
- smpi_mpi_wait(rrequest, MPI_STATUS_IGNORE);
- //printf("[%d] irecv request src=%d -> dst=%d tag=%d COMPLETED (retval=%d)\n",rank,source,rank,recvtag,retval);
+int MPI_Recv(void *buf, int count, MPI_Datatype datatype, int src, int tag,
+ MPI_Comm comm, MPI_Status * status)
+{
+ return PMPI_Recv(buf, count, datatype, src, tag, comm, status);
+}
- return(retval);
+int MPI_Send(void *buf, int count, MPI_Datatype datatype, int dst, int tag,
+ MPI_Comm comm)
+{
+ return PMPI_Send(buf, count, datatype, dst, tag, comm);
}
-/**
- * MPI_Sendrecv user entry point
- **/
-int SMPI_MPI_Sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype, int dest, int sendtag,
- void *recvbuf, int recvcount, MPI_Datatype recvtype, int source, int recvtag,
- MPI_Comm comm, MPI_Status *status)
+
+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 = MPI_SUCCESS;
+ return PMPI_Sendrecv(sendbuf, sendcount, sendtype, dst, sendtag,
+ recvbuf, recvcount, recvtype, src, recvtag,
+ comm, status);
+}
- smpi_bench_end();
- smpi_mpi_sendrecv( sendbuf, sendcount, sendtype, dest, sendtag,
- recvbuf, recvcount, recvtype, source, recvtag,
- comm, status);
- smpi_bench_begin();
+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)
+{
+ return PMPI_Sendrecv_replace(buf, count, datatype, dst, sendtag, src,
+ recvtag, comm, status);
+}
- return retval;
+int MPI_Test(MPI_Request * request, int *flag, MPI_Status * status)
+{
+ return PMPI_Test(request, flag, status);
+}
-
+int MPI_Testany(int count, MPI_Request requests[], int *index, int *flag,
+ MPI_Status * status)
+{
+ return PMPI_Testany(count, requests, index, flag, status);
}
-/**
- * MPI_Wait and friends
- **/
-int SMPI_MPI_Wait(MPI_Request * request, MPI_Status * status)
+int MPI_Wait(MPI_Request * request, MPI_Status * status)
{
- int retval;
+ return PMPI_Wait(request, status);
+}
- smpi_bench_end();
- retval = smpi_mpi_wait(*request, status);
- smpi_bench_begin();
- return retval;
+int MPI_Waitany(int count, MPI_Request requests[], int *index, MPI_Status * status)
+{
+ return PMPI_Waitany(count, requests, index, status);
}
-int SMPI_MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
+int MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
{
- int retval;
+ return PMPI_Waitall(count, requests, status);
+}
- smpi_bench_end();
- retval = smpi_mpi_waitall(count, requests, status);
- smpi_bench_begin();
- return retval;
+int MPI_Waitsome(int incount, MPI_Request requests[], int *outcount,
+ int *indices, MPI_Status status[])
+{
+ return PMPI_Waitsome(incount, requests, outcount, indices, status);
}
-int SMPI_MPI_Waitany(int count, MPI_Request requests[], int *index,
- MPI_Status status[])
+int MPI_Bcast(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm)
{
- int retval;
+ return PMPI_Bcast(buf, count, datatype, root, comm);
+}
- smpi_bench_end();
- retval = smpi_mpi_waitany(count, requests, index, status);
- smpi_bench_begin();
- return retval;
+int MPI_Barrier(MPI_Comm comm)
+{
+ return PMPI_Barrier(comm);
}
-/**
- * MPI_Bcast
- **/
+int MPI_Gather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype,
+ int root, MPI_Comm comm)
+{
+ return PMPI_Gather(sendbuf, sendcount, sendtype,
+ recvbuf, recvcount, recvtype,
+ root, comm);
+}
-/**
- * flat bcast
- **/
-int flat_tree_bcast(void *buf, int count, MPI_Datatype datatype, int root, MPI_Comm comm);
-int flat_tree_bcast(void *buf, int count, MPI_Datatype datatype, int root,
- MPI_Comm comm)
+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 rank;
- int retval = MPI_SUCCESS;
- smpi_mpi_request_t request;
+ return PMPI_Gatherv(sendbuf, sendcount, sendtype,
+ recvbuf, recvcounts, displs, recvtype,
+ root, comm);
+}
- rank = smpi_mpi_comm_rank(comm);
- if (rank == root) {
- retval = smpi_create_request(buf, count, datatype, root,
- (root + 1) % comm->size, 0, comm, &request);
- request->forward = comm->size - 1;
- smpi_mpi_isend(request);
- } else {
- retval = smpi_create_request(buf, count, datatype, MPI_ANY_SOURCE, rank,
- 0, comm, &request);
- smpi_mpi_irecv(request);
- }
+int MPI_Allgather(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype,
+ MPI_Comm comm)
+{
+ return PMPI_Allgather(sendbuf, sendcount, sendtype,
+ recvbuf, recvcount, recvtype,
+ comm);
+}
- smpi_mpi_wait(request, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
+int MPI_Allgatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int *recvcounts, int *displs,
+ MPI_Datatype recvtype, MPI_Comm comm)
+{
+ return PMPI_Allgatherv(sendbuf, sendcount, sendtype,
+ recvbuf, recvcounts, displs, recvtype,
+ comm);
+}
- return(retval);
+int MPI_Scatter(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype,
+ int root, MPI_Comm comm)
+{
+ return PMPI_Scatter(sendbuf, sendcount, sendtype,
+ recvbuf, recvcount, recvtype,
+ root, comm);
+}
+int MPI_Scatterv(void *sendbuf, int *sendcounts, int *displs,
+ MPI_Datatype sendtype, void *recvbuf, int recvcount,
+ MPI_Datatype recvtype, int root, MPI_Comm comm)
+{
+ return PMPI_Scatterv(sendbuf, sendcounts, displs, sendtype,
+ recvbuf, recvcount, recvtype,
+ root, comm);
}
-/**
- * Bcast internal level
- **/
-int smpi_mpi_bcast(void *buf, int count, MPI_Datatype datatype, int root,
- MPI_Comm comm)
+
+int MPI_Reduce(void *sendbuf, void *recvbuf, int count,
+ MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
{
- int retval = MPI_SUCCESS;
- int rank = smpi_mpi_comm_rank(comm);
+ return PMPI_Reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
+}
- DEBUG1("<%d> entered smpi_mpi_bcast(). Calls nary_tree_bcast()",rank);
- //retval = flat_tree_bcast(buf, count, datatype, root, comm);
- retval = nary_tree_bcast(buf, count, datatype, root, comm, 2 );
- return retval;
+int MPI_Allreduce(void *sendbuf, void *recvbuf, int count,
+ MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+ return PMPI_Allreduce(sendbuf, recvbuf, count, datatype, op, comm);
}
-/**
- * Bcast user entry point
- **/
-int SMPI_MPI_Bcast(void *buf, int count, MPI_Datatype datatype, int root,
- MPI_Comm comm)
-{
- int retval = MPI_SUCCESS;
-
- smpi_bench_end();
- smpi_mpi_bcast(buf,count,datatype,root,comm);
- smpi_bench_begin();
-
- return retval;
-}
-
-
-
-#ifdef DEBUG_REDUCE
-/**
- * debugging helper function
- **/
-static void print_buffer_int(void *buf, int len, char *msg, int rank)
-{
- int tmp, *v;
- printf("**[%d] %s: ", rank, msg);
- for (tmp = 0; tmp < len; tmp++) {
- v = buf;
- printf("[%d]", v[tmp]);
- }
- printf("\n");
- free(msg);
-}
-static void print_buffer_double(void *buf, int len, char *msg, int rank)
-{
- int tmp;
- double *v;
- printf("**[%d] %s: ", rank, msg);
- for (tmp = 0; tmp < len; tmp++) {
- v = buf;
- printf("[%lf]", v[tmp]);
- }
- printf("\n");
- free(msg);
-}
-
-
-#endif
-/**
- * MPI_Reduce internal level
- **/
-int smpi_mpi_reduce(void *sendbuf, void *recvbuf, int count,
- MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
-{
- int retval = MPI_SUCCESS;
- int rank;
- int size;
- int i;
- int system_tag = 666;
- smpi_mpi_request_t *requests;
- smpi_mpi_request_t request;
-
- smpi_bench_end();
-
- rank = smpi_mpi_comm_rank(comm);
- size = comm->size;
- DEBUG1("<%d> entered smpi_mpi_reduce()",rank);
-
- if (rank != root) { // if i am not ROOT, simply send my buffer to root
-
-#ifdef DEBUG_REDUCE
- print_buffer_int(sendbuf, count, xbt_strdup("sndbuf"), rank);
-#endif
- retval = smpi_create_request(sendbuf, count, datatype, rank, root, system_tag, comm,
- &request);
- smpi_mpi_isend(request);
- smpi_mpi_wait(request, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
-
- } else {
- // i am the ROOT: wait for all buffers by creating one request by sender
- int src;
- requests = xbt_malloc((size-1) * sizeof(smpi_mpi_request_t));
-
- void **tmpbufs = xbt_malloc((size-1) * sizeof(void *));
- for (i = 0; i < size-1; i++) {
- // we need 1 buffer per request to store intermediate receptions
- tmpbufs[i] = xbt_malloc(count * datatype->size);
- }
- // root: initiliaze recv buf with my own snd buf
- memcpy(recvbuf, sendbuf, count * datatype->size * sizeof(char));
-
- // i can not use: 'request->forward = size-1;' (which would progagate size-1 receive reqs)
- // since we should op values as soon as one receiving request matches.
- for (i = 0; i < size-1; i++) {
- // reminder: for smpi_create_request() the src is always the process sending.
- src = i < root ? i : i + 1;
- retval = smpi_create_request(tmpbufs[i], count, datatype,
- src, root, system_tag, comm, &(requests[i]));
- if (NULL != requests[i] && MPI_SUCCESS == retval) {
- if (MPI_SUCCESS == retval) {
- smpi_mpi_irecv(requests[i]);
- }
- }
- }
- // now, wait for completion of all irecv's.
- for (i = 0; i < size-1; i++) {
- int index = MPI_UNDEFINED;
- smpi_mpi_waitany( size-1, requests, &index, MPI_STATUS_IGNORE);
- DEBUG3("<%d> waitany() unblocked by reception (completes request[%d]) (%d reqs remaining)",
- rank,index,size-i-2);
-#ifdef DEBUG_REDUCE
- print_buffer_int(tmpbufs[index], count, bprintf("tmpbufs[index=%d] (value received)", index),
- rank);
-#endif
-
- // arg 2 is modified
- op->func(tmpbufs[index], recvbuf, &count, &datatype);
-#ifdef DEBUG_REDUCE
- print_buffer_int(recvbuf, count, xbt_strdup("rcvbuf"), rank);
-#endif
- xbt_free(tmpbufs[index]);
- /* FIXME: with the following line, it generates an
- * [xbt_ex/CRITICAL] Conditional list not empty 162518800.
- * Fixed ?
- */
- xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
- }
- xbt_free(requests);
- xbt_free(tmpbufs);
- }
- return retval;
-}
-
-/**
- * MPI_Reduce user entry point
- **/
-int SMPI_MPI_Reduce(void *sendbuf, void *recvbuf, int count,
- MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
-{
-int retval = MPI_SUCCESS;
-
- smpi_bench_end();
-
- retval = smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
-
- smpi_bench_begin();
- return retval;
-}
-
-
-
-/**
- * MPI_Allreduce
- *
- * Same as MPI_Reduce except that the result appears in the receive buffer of all the group members.
- **/
-int SMPI_MPI_Allreduce( void *sendbuf, void *recvbuf, int count, MPI_Datatype datatype,
- MPI_Op op, MPI_Comm comm )
-{
-int retval = MPI_SUCCESS;
-int root=0; // arbitrary choice
-
- smpi_bench_end();
-
- retval = smpi_mpi_reduce( sendbuf, recvbuf, count, datatype, op, root, comm);
- if (MPI_SUCCESS != retval)
- return(retval);
-
- retval = smpi_mpi_bcast( sendbuf, count, datatype, root, comm);
-
- smpi_bench_end();
- return( retval );
-}
-
-
-/**
- * MPI_Scatter user entry point
- **/
-int SMPI_MPI_Scatter(void *sendbuf, int sendcount, MPI_Datatype datatype,
- void *recvbuf, int recvcount, MPI_Datatype recvtype,
- int root, MPI_Comm comm)
-{
- int retval = MPI_SUCCESS;
- int i;
- int cnt=0;
- int rank;
- int tag=0;
- char *cptr; // to manipulate the void * buffers
- smpi_mpi_request_t *requests;
- smpi_mpi_request_t request;
- smpi_mpi_status_t status;
-
-
- smpi_bench_end();
-
- rank = smpi_mpi_comm_rank(comm);
-
- requests = xbt_malloc((comm->size-1) * sizeof(smpi_mpi_request_t));
- if (rank == root) {
- // i am the root: distribute my sendbuf
- //print_buffer_int(sendbuf, comm->size, xbt_strdup("rcvbuf"), rank);
- cptr = sendbuf;
- for (i=0; i < comm->size; i++) {
- if ( i!=root ) { // send to processes ...
-
- retval = smpi_create_request((void *)cptr, sendcount,
- datatype, root, i, tag, comm, &(requests[cnt]));
- if (NULL != requests[cnt] && MPI_SUCCESS == retval) {
- if (MPI_SUCCESS == retval) {
- smpi_mpi_isend(requests[cnt]);
- }
- }
- cnt++;
- }
- else { // ... except if it's me.
- memcpy(recvbuf, (void *)cptr, recvcount*recvtype->size*sizeof(char));
- }
- cptr += sendcount*datatype->size;
- }
- for(i=0; i<cnt; i++) { // wait for send to complete
- /* FIXME: waitall() should be slightly better */
- smpi_mpi_wait(requests[i], &status);
- xbt_mallocator_release(smpi_global->request_mallocator, requests[i]);
+int MPI_Scan(void *sendbuf, void *recvbuf, int count,
+ MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+ return PMPI_Scan(sendbuf, recvbuf, count, datatype, op, comm);
+}
- }
- }
- else { // i am a non-root process: wait data from the root
- retval = smpi_create_request(recvbuf,recvcount,
- recvtype, root, rank, tag, comm, &request);
- if (NULL != request && MPI_SUCCESS == retval) {
- if (MPI_SUCCESS == retval) {
- smpi_mpi_irecv(request);
- }
- }
- smpi_mpi_wait(request, &status);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- }
- xbt_free(requests);
+int MPI_Reduce_scatter(void *sendbuf, void *recvbuf, int *recvcounts,
+ MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
+{
+ return PMPI_Reduce_scatter(sendbuf, recvbuf, recvcounts, datatype, op, comm);
+}
- smpi_bench_begin();
+int MPI_Alltoall(void *sendbuf, int sendcount, MPI_Datatype sendtype,
+ void *recvbuf, int recvcount, MPI_Datatype recvtype,
+ MPI_Comm comm)
+{
+ return PMPI_Alltoall(sendbuf, sendcount, sendtype,
+ recvbuf, recvcount, recvtype,
+ comm);
+}
- 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)
+{
+ return PMPI_Alltoallv(sendbuf, sendcounts, senddisps, sendtype,
+ recvbuf, recvcounts, recvdisps, recvtype,
+ comm);
}
-/**
- * MPI_Alltoall user entry point
- *
- * Uses the logic of OpenMPI (upto 1.2.7 or greater) for the optimizations
- * ompi/mca/coll/tuned/coll_tuned_module.c
- **/
-int SMPI_MPI_Alltoall(void *sendbuf, int sendcount, MPI_Datatype datatype,
- void *recvbuf, int recvcount, MPI_Datatype recvtype,
- MPI_Comm comm)
+int MPI_Get_processor_name(char *name, int *resultlen)
{
- int retval = MPI_SUCCESS;
- int block_dsize;
- int rank;
+ return PMPI_Get_processor_name(name, resultlen);
+}
+
+int MPI_Get_count(MPI_Status * status, MPI_Datatype datatype, int *count)
+{
+ return PMPI_Get_count(status, datatype, count);
+}
- smpi_bench_end();
+int MPI_Pack_size(int incount, MPI_Datatype datatype, MPI_Comm comm, int* size) {
+ return PMPI_Pack_size(incount, datatype, comm, size);
+}
+
+int MPI_Cart_coords(MPI_Comm comm, int rank, int maxdims, int* coords) {
+ return PMPI_Cart_coords(comm, rank, maxdims, coords);
+}
- rank = smpi_mpi_comm_rank(comm);
- block_dsize = datatype->size * sendcount;
- DEBUG2("<%d> optimized alltoall() called. Block size sent to each rank: %d bytes.",rank,block_dsize);
+int MPI_Cart_create(MPI_Comm comm_old, int ndims, int* dims, int* periods, int reorder, MPI_Comm* comm_cart) {
+ return PMPI_Cart_create(comm_old, ndims, dims, periods, reorder, comm_cart);
+}
+
+int MPI_Cart_get(MPI_Comm comm, int maxdims, int* dims, int* periods, int* coords) {
+ return PMPI_Cart_get(comm, maxdims, dims, periods, coords);
+}
+
+int MPI_Cart_map(MPI_Comm comm_old, int ndims, int* dims, int* periods, int* newrank) {
+ return PMPI_Cart_map(comm_old, ndims, dims, periods, newrank);
+}
+
+int MPI_Cart_rank(MPI_Comm comm, int* coords, int* rank) {
+ return PMPI_Cart_rank(comm, coords, rank);
+}
+
+int MPI_Cart_shift(MPI_Comm comm, int direction, int displ, int* source, int* dest) {
+ return PMPI_Cart_shift(comm, direction, displ, source, dest);
+}
+
+int MPI_Cart_sub(MPI_Comm comm, int* remain_dims, MPI_Comm* comm_new) {
+ return PMPI_Cart_sub(comm, remain_dims, comm_new);
+}
+
+int MPI_Cartdim_get(MPI_Comm comm, int* ndims) {
+ return PMPI_Cartdim_get(comm, ndims);
+}
+
+int MPI_Graph_create(MPI_Comm comm_old, int nnodes, int* index, int* edges, int reorder, MPI_Comm* comm_graph) {
+ return PMPI_Graph_create(comm_old, nnodes, index, edges, reorder, comm_graph);
+}
+
+int MPI_Graph_get(MPI_Comm comm, int maxindex, int maxedges, int* index, int* edges) {
+ return PMPI_Graph_get(comm, maxindex, maxedges, index, edges);
+}
+
+int MPI_Graph_map(MPI_Comm comm_old, int nnodes, int* index, int* edges, int* newrank) {
+ return PMPI_Graph_map(comm_old, nnodes, index, edges, newrank);
+}
+
+int MPI_Graph_neighbors(MPI_Comm comm, int rank, int maxneighbors, int* neighbors) {
+ return PMPI_Graph_neighbors(comm, rank, maxneighbors, neighbors);
+}
+
+int MPI_Graph_neighbors_count(MPI_Comm comm, int rank, int* nneighbors) {
+ return PMPI_Graph_neighbors_count(comm, rank, nneighbors);
+}
+
+int MPI_Graphdims_get(MPI_Comm comm, int* nnodes, int* nedges) {
+ return PMPI_Graphdims_get(comm, nnodes, nedges);
+}
+
+int MPI_Topo_test(MPI_Comm comm, int* top_type) {
+ return PMPI_Topo_test(comm, top_type);
+}
+
+int MPI_Error_class(int errorcode, int* errorclass) {
+ return PMPI_Error_class(errorcode, errorclass);
+}
+
+int MPI_Errhandler_create(MPI_Handler_function* function, MPI_Errhandler* errhandler) {
+ return PMPI_Errhandler_create(function, errhandler);
+}
+
+int MPI_Errhandler_free(MPI_Errhandler* errhandler) {
+ return PMPI_Errhandler_free(errhandler);
+}
+
+int MPI_Errhandler_get(MPI_Comm comm, MPI_Errhandler* errhandler) {
+ return PMPI_Errhandler_get(comm, errhandler);
+}
+
+int MPI_Error_string(int errorcode, char* string, int* resultlen) {
+ return PMPI_Error_string(errorcode, string, resultlen);
+}
+
+int MPI_Errhandler_set(MPI_Comm comm, MPI_Errhandler errhandler) {
+ return PMPI_Errhandler_set(comm, errhandler);
+}
+
+int MPI_Type_contiguous(int count, MPI_Datatype old_type, MPI_Datatype* newtype) {
+ return PMPI_Type_contiguous(count, old_type, newtype);
+}
+
+int MPI_Cancel(MPI_Request* request) {
+ return PMPI_Cancel(request);
+}
+
+int MPI_Buffer_attach(void* buffer, int size) {
+ return PMPI_Buffer_attach(buffer, size);
+}
+
+int MPI_Buffer_detach(void* buffer, int* size) {
+ return PMPI_Buffer_detach(buffer, size);
+}
+
+int MPI_Testsome(int incount, MPI_Request* requests, int* outcount, int* indices, MPI_Status* statuses) {
+ return PMPI_Testsome(incount, requests, outcount, indices, statuses);
+}
+
+int MPI_Comm_test_inter(MPI_Comm comm, int* flag) {
+ return PMPI_Comm_test_inter(comm, flag);
+}
+
+int MPI_Unpack(void* inbuf, int insize, int* position, void* outbuf, int outcount, MPI_Datatype type, MPI_Comm comm) {
+ return PMPI_Unpack(inbuf, insize, position, outbuf, outcount, type, comm);
+}
+
+int MPI_Type_commit(MPI_Datatype* datatype) {
+ return PMPI_Type_commit(datatype);
+}
+
+int MPI_Type_hindexed(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype old_type, MPI_Datatype* newtype) {
+ return PMPI_Type_hindexed(count, blocklens, indices, old_type, newtype);
+}
+
+int MPI_Type_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* newtype) {
+ return PMPI_Type_hvector(count, blocklen, stride, old_type, newtype);
+}
+
+int MPI_Type_indexed(int count, int* blocklens, int* indices, MPI_Datatype old_type, MPI_Datatype* newtype) {
+ return PMPI_Type_indexed(count, blocklens, indices, old_type, newtype);
+}
+
+int MPI_Type_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype* old_types, MPI_Datatype* newtype) {
+ return PMPI_Type_struct(count, blocklens, indices, old_types, newtype);
+}
+
+int MPI_Type_vector(int count, int blocklen, int stride, MPI_Datatype old_type, MPI_Datatype* newtype) {
+ return PMPI_Type_vector(count, blocklen, stride, old_type, newtype);
+}
+
+int MPI_Ssend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
+ return PMPI_Ssend(buf, count, datatype, dest, tag, comm);
+}
+
+int MPI_Ssend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+ return PMPI_Ssend_init(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Intercomm_create(MPI_Comm local_comm, int local_leader, MPI_Comm peer_comm, int remote_leader, int tag, MPI_Comm* comm_out) {
+ return PMPI_Intercomm_create(local_comm, local_leader, peer_comm, remote_leader, tag, comm_out);
+}
+
+int MPI_Intercomm_merge(MPI_Comm comm, int high, MPI_Comm* comm_out) {
+ return PMPI_Intercomm_merge(comm, high, comm_out);
+}
+
+int MPI_Bsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
+ return PMPI_Bsend(buf, count, datatype, dest, tag, comm);
+}
+
+int MPI_Bsend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+ return PMPI_Bsend_init(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Ibsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+ return PMPI_Ibsend(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Comm_remote_group(MPI_Comm comm, MPI_Group* group) {
+ return PMPI_Comm_remote_group(comm, group);
+}
+
+int MPI_Comm_remote_size(MPI_Comm comm, int* size) {
+ return PMPI_Comm_remote_size(comm, size);
+}
+
+int MPI_Issend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+ return PMPI_Issend(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Probe(int source, int tag, MPI_Comm comm, MPI_Status* status) {
+ return PMPI_Probe(source, tag, comm, status);
+}
+
+int MPI_Attr_delete(MPI_Comm comm, int keyval) {
+ return PMPI_Attr_delete(comm, keyval);
+}
+
+int MPI_Attr_get(MPI_Comm comm, int keyval, void* attr_value, int* flag) {
+ return PMPI_Attr_get(comm, keyval, attr_value, flag);
+}
+
+int MPI_Attr_put(MPI_Comm comm, int keyval, void* attr_value) {
+ return PMPI_Attr_put(comm, keyval, attr_value);
+}
+
+int MPI_Rsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm) {
+ return PMPI_Rsend(buf, count, datatype, dest, tag, comm);
+}
+
+int MPI_Rsend_init(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+ return PMPI_Rsend_init(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Irsend(void* buf, int count, MPI_Datatype datatype, int dest, int tag, MPI_Comm comm, MPI_Request* request) {
+ return PMPI_Irsend(buf, count, datatype, dest, tag, comm, request);
+}
+
+int MPI_Keyval_create(MPI_Copy_function* copy_fn, MPI_Delete_function* delete_fn, int* keyval, void* extra_state) {
+ return PMPI_Keyval_create(copy_fn, delete_fn, keyval, extra_state);
+}
+
+int MPI_Keyval_free(int* keyval) {
+ return PMPI_Keyval_free(keyval);
+}
+
+int MPI_Test_cancelled(MPI_Status* status, int* flag) {
+ return PMPI_Test_cancelled(status, flag);
+}
+
+int MPI_Pack(void* inbuf, int incount, MPI_Datatype type, void* outbuf, int outcount, int* position, MPI_Comm comm) {
+ return PMPI_Pack(inbuf, incount, type, outbuf, outcount, position, comm);
+}
+
+int MPI_Testall(int count, MPI_Request* requests, int* flag, MPI_Status* statuses) {
+ return PMPI_Testall(count, requests, flag, statuses);
+}
+
+int MPI_Get_elements(MPI_Status* status, MPI_Datatype datatype, int* elements) {
+ return PMPI_Get_elements(status, datatype, elements);
+}
+
+int MPI_Dims_create(int nnodes, int ndims, int* dims) {
+ return PMPI_Dims_create(nnodes, ndims, dims);
+}
+
+int MPI_Iprobe(int source, int tag, MPI_Comm comm, int* flag, MPI_Status* status) {
+ return PMPI_Iprobe(source, tag, comm, flag, status);
+}
+
+int MPI_Initialized(int* flag) {
+ return PMPI_Initialized(flag);
+}
+
+int MPI_Win_fence( int assert, MPI_Win win){
+ return PMPI_Win_fence( assert, win);
+}
+
+int MPI_Win_free( MPI_Win* win){
+ return PMPI_Win_free( win);
+}
+
+int MPI_Win_create( void *base, MPI_Aint size, int disp_unit, MPI_Info info, MPI_Comm comm, MPI_Win *win){
+ return PMPI_Win_create( base, size, disp_unit, info, comm,win);
+}
+
+int MPI_Info_create( MPI_Info *info){
+ return PMPI_Info_create( info);
+}
+
+int MPI_Info_set( MPI_Info *info, char *key, char *value){
+ return PMPI_Info_set( info, key, value);
+}
+
+int MPI_Info_free( MPI_Info *info){
+ return PMPI_Info_free( info);
+}
- if ((block_dsize < 200) && (comm->size > 12)) {
- retval = smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, datatype,
- recvbuf, recvcount, recvtype, comm);
-
- } else if (block_dsize < 3000) {
- retval = smpi_coll_tuned_alltoall_basic_linear(sendbuf, sendcount, datatype,
- recvbuf, recvcount, recvtype, comm);
- } else {
-
- retval = smpi_coll_tuned_alltoall_pairwise(sendbuf, sendcount, datatype,
- recvbuf, recvcount, recvtype, comm);
- }
-
- smpi_bench_begin();
-
- return retval;
-}
-
-/**
- * MPI_Alltoallv user entry point
- *
- * As in OpenMPI, alltoallv is not optimized
- * ompi/mca/coll/basic/coll_basic_alltoallv.c
- **/
-int SMPI_MPI_Alltoallv(void *sendbuf, int *scounts, int *sdisps, MPI_Datatype datatype,
- void *recvbuf, int *rcounts, int *rdisps, MPI_Datatype recvtype,
- MPI_Comm comm)
-{
- int retval = MPI_SUCCESS;
- int rank;
-
- smpi_bench_end();
- rank = smpi_mpi_comm_rank(comm);
- DEBUG1("<%d> basic alltoallv() called.",rank);
-
- retval = smpi_coll_basic_alltoallv(sendbuf, scounts, sdisps, datatype,
- recvbuf, rcounts, rdisps, recvtype,
- comm);
- smpi_bench_begin();
- return retval;
-}
-
-
-
-
-// used by comm_split to sort ranks based on key values
-int smpi_compare_rankkeys(const void *a, const void *b);
-int smpi_compare_rankkeys(const void *a, const void *b)
-{
- int *x = (int *) a;
- int *y = (int *) b;
-
- if (x[1] < y[1])
- return -1;
-
- if (x[1] == y[1]) {
- if (x[0] < y[0])
- return -1;
- if (x[0] == y[0])
- return 0;
- return 1;
- }
-
- return 1;
-}
-
-int SMPI_MPI_Comm_split(MPI_Comm comm, int color, int key,
- MPI_Comm * comm_out)
-{
- int retval = MPI_SUCCESS;
-
- int index, rank;
- smpi_mpi_request_t request;
- int colorkey[2];
- smpi_mpi_status_t status;
-
- smpi_bench_end();
-
- // FIXME: need to test parameters
-
- index = smpi_process_index();
- rank = comm->index_to_rank_map[index];
-
- // default output
- comm_out = NULL;
-
- // root node does most of the real work
- if (0 == rank) {
- int colormap[comm->size];
- int keymap[comm->size];
- int rankkeymap[comm->size * 2];
- int i, j;
- smpi_mpi_communicator_t tempcomm = NULL;
- int count;
- int indextmp;
-
- colormap[0] = color;
- keymap[0] = key;
-
- // FIXME: use scatter/gather or similar instead of individual comms
- for (i = 1; i < comm->size; i++) {
- retval = smpi_create_request(colorkey, 2, MPI_INT, MPI_ANY_SOURCE,
- rank, MPI_ANY_TAG, comm, &request);
- smpi_mpi_irecv(request);
- smpi_mpi_wait(request, &status);
- colormap[status.MPI_SOURCE] = colorkey[0];
- keymap[status.MPI_SOURCE] = colorkey[1];
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- }
-
- for (i = 0; i < comm->size; i++) {
- if (MPI_UNDEFINED == colormap[i]) {
- continue;
- }
- // make a list of nodes with current color and sort by keys
- count = 0;
- for (j = i; j < comm->size; j++) {
- if (colormap[i] == colormap[j]) {
- colormap[j] = MPI_UNDEFINED;
- rankkeymap[count * 2] = j;
- rankkeymap[count * 2 + 1] = keymap[j];
- count++;
- }
- }
- qsort(rankkeymap, count, sizeof(int) * 2, &smpi_compare_rankkeys);
-
- // new communicator
- tempcomm = xbt_new(s_smpi_mpi_communicator_t, 1);
- tempcomm->barrier_count = 0;
- tempcomm->size = count;
- tempcomm->barrier_mutex = SIMIX_mutex_init();
- tempcomm->barrier_cond = SIMIX_cond_init();
- tempcomm->rank_to_index_map = xbt_new(int, count);
- tempcomm->index_to_rank_map = xbt_new(int, smpi_global->process_count);
- for (j = 0; j < smpi_global->process_count; j++) {
- tempcomm->index_to_rank_map[j] = -1;
- }
- for (j = 0; j < count; j++) {
- indextmp = comm->rank_to_index_map[rankkeymap[j * 2]];
- tempcomm->rank_to_index_map[j] = indextmp;
- tempcomm->index_to_rank_map[indextmp] = j;
- }
- for (j = 0; j < count; j++) {
- if (rankkeymap[j * 2]) {
- retval = smpi_create_request(&j, 1, MPI_INT, 0,
- rankkeymap[j * 2], 0, comm, &request);
- request->data = tempcomm;
- smpi_mpi_isend(request);
- smpi_mpi_wait(request, &status);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- } else {
- *comm_out = tempcomm;
- }
- }
- }
- } else {
- colorkey[0] = color;
- colorkey[1] = key;
- retval = smpi_create_request(colorkey, 2, MPI_INT, rank, 0, 0, comm,
- &request);
- smpi_mpi_isend(request);
- smpi_mpi_wait(request, &status);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- if (MPI_UNDEFINED != color) {
- retval = smpi_create_request(colorkey, 1, MPI_INT, 0, rank, 0, comm,
- &request);
- smpi_mpi_irecv(request);
- smpi_mpi_wait(request, &status);
- *comm_out = request->data;
- }
- }
-
- smpi_bench_begin();
-
- return retval;
-}
-
-double SMPI_MPI_Wtime(void)
-{
- double time;
-
- smpi_bench_end();
- time = SIMIX_get_clock();
- smpi_bench_begin();
- return time;
-}
-
-int SMPI_MPI_Gather(void* sendbuf, int sendcount, MPI_Datatype sendtype,
- void* recvbuf, int recvcount, MPI_Datatype recvtype,
- int root, MPI_Comm comm)
-{
- int retval = MPI_SUCCESS;
- int system_tag = 666;
- int rank, size;
-
- smpi_bench_end();
- rank = smpi_mpi_comm_rank(comm);
- size = comm->size;
- if(rank != root) {
- // Send buffer to root
- smpi_mpi_request_t request;
-
- retval = smpi_create_request(sendbuf, sendcount, sendtype,
- rank, root, system_tag, comm, &request);
- smpi_mpi_isend(request);
- smpi_mpi_wait(request, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- } else {
- // Receive buffers from senders
- int src;
- smpi_mpi_request_t* requests;
-
- requests = xbt_malloc((size-1) * sizeof(smpi_mpi_request_t));
- for(src = 0; src < size; src++) {
- if(src == root) {
- // Local copy from root
- memcpy(&((char*)recvbuf)[src*recvcount*recvtype->size],
- sendbuf, sendcount*sendtype->size*sizeof(char));
- } else {
- int index = src < root ? src : src - 1;
- retval = smpi_create_request(&((char*)recvbuf)[src*recvcount*recvtype->size],
- recvcount, recvtype, src, root, system_tag,
- comm, &requests[index]);
- if(NULL != requests[index] && MPI_SUCCESS == retval) {
- smpi_mpi_irecv(requests[index]);
- }
- }
- }
- // Wait for completion of irecv's.
- for(src = 0; src < size - 1; src++) {
- int index = MPI_UNDEFINED;
- smpi_mpi_waitany(size - 1, requests, &index, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
- }
- xbt_free(requests);
- }
- smpi_bench_begin();
- return retval;
-}
-
-int SMPI_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 = MPI_SUCCESS;
- int system_tag = 666;
- int rank, size;
-
- smpi_bench_end();
- rank = smpi_mpi_comm_rank(comm);
- size = comm->size;
- if(rank != root) {
- // Send buffer to root
- smpi_mpi_request_t request;
-
- retval = smpi_create_request(sendbuf, sendcount, sendtype,
- rank, root, system_tag, comm, &request);
- smpi_mpi_isend(request);
- smpi_mpi_wait(request, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- } else {
- // Receive buffers from senders
- int src;
- smpi_mpi_request_t* requests;
-
- requests = xbt_malloc((size-1) * sizeof(smpi_mpi_request_t));
- for(src = 0; src < size; src++) {
- if(src == root) {
- // Local copy from root
- memcpy(&((char*)recvbuf)[displs[src]],
- sendbuf, sendcount*sendtype->size*sizeof(char));
- } else {
- int index = src < root ? src : src - 1;
- retval = smpi_create_request(&((char*)recvbuf)[displs[src]],
- recvcounts[src], recvtype, src, root, system_tag,
- comm, &requests[index]);
- if(NULL != requests[index] && MPI_SUCCESS == retval) {
- smpi_mpi_irecv(requests[index]);
- }
- }
- }
- // Wait for completion of irecv's.
- for(src = 0; src < size - 1; src++) {
- int index = MPI_UNDEFINED;
- smpi_mpi_waitany(size - 1, requests, &index, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
- }
- xbt_free(requests);
- }
- smpi_bench_begin();
- return retval;
-}
-
-int SMPI_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 = MPI_SUCCESS;
- int system_tag = 666;
- int rank, size;
-
- smpi_bench_end();
- rank = smpi_mpi_comm_rank(comm);
- size = comm->size;
- if(rank != root) {
- // Receive buffer from root
- smpi_mpi_request_t request;
-
- retval = smpi_create_request(recvbuf, recvcount, recvtype,
- root, rank, system_tag, comm, &request);
- smpi_mpi_isend(request);
- smpi_mpi_wait(request, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, request);
- } else {
- // Send buffers to receivers
- int dst;
- smpi_mpi_request_t* requests;
-
- requests = xbt_malloc((size-1) * sizeof(smpi_mpi_request_t));
- for(dst = 0; dst < size; dst++) {
- if(dst == root) {
- // Local copy from root
- memcpy(recvbuf, &((char*)sendbuf)[displs[dst]],
- sendcounts[dst]*sendtype->size*sizeof(char));
- } else {
- int index = dst < root ? dst : dst - 1;
- retval = smpi_create_request(&((char*)sendbuf)[displs[dst]], sendcounts[dst], sendtype,
- root, dst, system_tag, comm, &requests[index]);
- if(NULL != requests[index] && MPI_SUCCESS == retval) {
- smpi_mpi_isend(requests[index]);
- }
- }
- }
- // Wait for completion of isend's.
- for(dst = 0; dst < size - 1; dst++) {
- int index = MPI_UNDEFINED;
- smpi_mpi_waitany(size - 1, requests, &index, MPI_STATUS_IGNORE);
- xbt_mallocator_release(smpi_global->request_mallocator, requests[index]);
- }
- xbt_free(requests);
- }
- smpi_bench_begin();
- return retval;
-}
-
-int SMPI_MPI_Reduce_scatter(void* sendbuf, void* recvbuf, int *recvcounts,
- MPI_Datatype datatype, MPI_Op op, MPI_Comm comm)
-{
- // FIXME: Suboptimal implementation
- int retval = MPI_SUCCESS;
- int count = 0;
- int root = 0;
- int i, rank;
- int* displs;
-
- smpi_bench_end();
- rank = smpi_mpi_comm_rank(comm);
- displs = xbt_new(int, comm->size);
- for(i = 0; i < comm->size; i++) {
- count += recvcounts[i];
- displs[i] = 0;
- }
- retval = smpi_mpi_reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
- retval = SMPI_MPI_Scatterv(recvbuf, recvcounts, displs, datatype, recvbuf, recvcounts[rank], datatype, root, comm);
- xbt_free(displs);
- smpi_bench_begin();
- return retval;
-}
-
-int SMPI_MPI_Allgather(void* sendbuf, int sendcount, MPI_Datatype sendtype,
- void* recvbuf, int recvcount, MPI_Datatype recvtype, MPI_Comm comm)
-{
- // FIXME: Suboptimal implementation
- int root = 0;
- int retval;
-
- smpi_bench_end();
- retval = SMPI_MPI_Gather(sendbuf, sendcount, sendtype,
- recvbuf, recvcount, recvtype, root, comm);
- if(retval == MPI_SUCCESS) {
- retval = SMPI_MPI_Bcast(recvbuf, recvcount, recvtype, root, comm);
- }
- smpi_bench_begin();
- return retval;
-}
-
-int SMPI_MPI_Allgatherv(void* sendbuf, int sendcount, MPI_Datatype sendtype,
- void* recvbuf, int *recvcounts, int *displs, MPI_Datatype recvtype,
- MPI_Comm comm)
-{
- // FIXME: Suboptimal implementation
- int root = 0;
- int last, retval;
-
- smpi_bench_end();
- retval = SMPI_MPI_Gatherv(sendbuf, sendcount, sendtype,
- recvbuf, recvcounts, displs, recvtype, root, comm);
- if(retval == MPI_SUCCESS) {
- last = comm->size - 1;
- retval = SMPI_MPI_Bcast(recvbuf, displs[last] + recvcounts[last], recvtype, root, comm);
- }
- smpi_bench_begin();
- return retval;
+int MPI_Get( void *origin_addr, int origin_count, MPI_Datatype origin_datatype, int target_rank,
+ MPI_Aint target_disp, int target_count, MPI_Datatype target_datatype, MPI_Win win){
+ return PMPI_Get( origin_addr,origin_count, origin_datatype,target_rank,
+ target_disp, target_count,target_datatype, win);
}
