+/* $Id$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).
+ * */
+
#include "private.h"
int tag, MPI_Comm comm, MPI_Request * request)
{
int retval = MPI_SUCCESS;
+ int rank;
smpi_bench_end();
-
- retval = smpi_create_request(buf, count, datatype, src, 0, tag, comm,
+ 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 tag, MPI_Comm comm, MPI_Status * status)
{
int retval = MPI_SUCCESS;
+ int rank;
smpi_mpi_request_t request;
smpi_bench_end();
- retval = smpi_create_request(buf, count, datatype, src, 0, tag, comm,
+ 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 tag, MPI_Comm comm, MPI_Request * request)
{
int retval = MPI_SUCCESS;
+ int rank;
smpi_bench_end();
- retval = smpi_create_request(buf, count, datatype, 0, dst, tag, comm,
+ 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 tag, MPI_Comm comm)
{
int retval = MPI_SUCCESS;
+ int rank;
smpi_mpi_request_t request;
smpi_bench_end();
- retval = smpi_create_request(buf, count, datatype, 0, dst, tag, comm,
+ 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 SMPI_MPI_Wait(MPI_Request * request, MPI_Status * status)
{
- return smpi_mpi_wait(*request, status);
+ int retval;
+
+ smpi_bench_end();
+ retval = smpi_mpi_wait(*request, status);
+ smpi_bench_begin();
+ return retval;
}
int SMPI_MPI_Waitall(int count, MPI_Request requests[], MPI_Status status[])
{
- return smpi_mpi_waitall(count, requests, status);
+ int retval;
+
+ smpi_bench_end();
+ retval = smpi_mpi_waitall(count, requests, status);
+ smpi_bench_begin();
+ return retval;
}
int SMPI_MPI_Waitany(int count, MPI_Request requests[], int *index,
MPI_Status status[])
{
- return smpi_mpi_waitany(count, requests, index, status);
+ int retval;
+
+ smpi_bench_end();
+ retval = smpi_mpi_waitany(count, requests, index, status);
+ smpi_bench_begin();
+ return retval;
}
/**
MPI_Comm comm)
{
int retval = MPI_SUCCESS;
+ int rank = smpi_mpi_comm_rank(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 rank;
int size;
int i;
- int tag = 0;
+ int system_tag = 666;
smpi_mpi_request_t *requests;
smpi_mpi_request_t request;
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, tag, comm,
+ retval = smpi_create_request(sendbuf, count, datatype, rank, root, system_tag, comm,
&request);
smpi_mpi_isend(request);
smpi_mpi_wait(request, MPI_STATUS_IGNORE);
// 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, tag, comm, &(requests[i]));
+ src, root, system_tag, comm, &(requests[i]));
if (NULL != requests[i] && MPI_SUCCESS == retval) {
if (MPI_SUCCESS == retval) {
smpi_mpi_irecv(requests[i]);
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
- printf ("MPI_Waitany() unblocked: root received (completes req[index=%d])\n",index);
print_buffer_int(tmpbufs[index], count, bprintf("tmpbufs[index=%d] (value received)", index),
rank);
#endif
/**
* MPI_Allreduce
*
- * Same as MPI_REDUCE except that the result appears in the receive buffer of all the group members.
+ * 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 )
* 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)
+ void *recvbuf, int recvcount, MPI_Datatype recvtype,
+ MPI_Comm comm)
{
int retval = MPI_SUCCESS;
int block_dsize;
rank = smpi_mpi_comm_rank(comm);
block_dsize = datatype->size * sendcount;
- INFO2("[%d] optimized alltoall() called. Block size sent to each rank=%d.\n",rank,block_dsize);
+ DEBUG2("<%d> optimized alltoall() called. Block size sent to each rank: %d bytes.",rank,block_dsize);
if ((block_dsize < 200) && (comm->size > 12)) {
retval = smpi_coll_tuned_alltoall_bruck(sendbuf, sendcount, datatype,
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;
+}
+
double SMPI_MPI_Wtime(void)
{
- return (SIMIX_get_clock());
+ double time;
+
+ smpi_bench_end();
+ time = SIMIX_get_clock();
+ smpi_bench_begin();
+ return time;
}
