-#include "colls.h"
+#include "colls_private.h"
/*****************************************************************************
* Auther: Ahmad Faraj
****************************************************************************/
-int
-smpi_coll_tuned_alltoall_simple(void * send_buff, int send_count,
- MPI_Datatype send_type, void * recv_buff,
- int recv_count, MPI_Datatype recv_type,
- MPI_Comm comm)
+int smpi_coll_tuned_alltoall_simple(void *send_buff, int send_count,
+ MPI_Datatype send_type,
+ void *recv_buff, int recv_count,
+ MPI_Datatype recv_type, MPI_Comm comm)
{
- int i, rank, size, nreqs, err, src, dst, tag = 101;
+ int i, rank, size, nreqs, src, dst, tag = 101;
char *psnd;
char *prcv;
MPI_Aint sndinc;
MPI_Request *req;
MPI_Request *preq;
MPI_Request *qreq;
- MPI_Status s, * statuses;
+ MPI_Status s, *statuses;
- MPI_Comm_size(comm, &size);
- MPI_Comm_rank(comm, &rank);
- MPI_Type_extent(send_type, &sndinc);
- MPI_Type_extent(recv_type, &rcvinc);
+ size = smpi_comm_size(comm);
+ rank = smpi_comm_rank(comm);
+ sndinc = smpi_datatype_get_extent(send_type);
+ rcvinc = smpi_datatype_get_extent(recv_type);
sndinc *= send_count;
rcvinc *= recv_count;
/* Allocate arrays of requests. */
nreqs = 2 * (size - 1);
- if (nreqs > 0)
- {
- req = (MPI_Request *) malloc(nreqs * sizeof(MPI_Request));
- statuses = (MPI_Status *) malloc(nreqs * sizeof(MPI_Status));
- if (!req || !statuses)
- {
- free(req);
- free(statuses);
- return 0;
- }
- }
- else
- req = 0;
+ if (nreqs > 0) {
+ req = (MPI_Request *) xbt_malloc(nreqs * sizeof(MPI_Request));
+ statuses = (MPI_Status *) xbt_malloc(nreqs * sizeof(MPI_Status));
+ } else {
+ req = NULL;
+ statuses = NULL;
+ }
/* simple optimization */
psnd = ((char *) send_buff) + (rank * sndinc);
prcv = ((char *) recv_buff) + (rank * rcvinc);
- MPI_Sendrecv (psnd, send_count, send_type, rank, tag,
- prcv, recv_count, recv_type,
- rank, tag, comm, &s);
+ smpi_mpi_sendrecv(psnd, send_count, send_type, rank, tag,
+ prcv, recv_count, recv_type, rank, tag, comm, &s);
/* Initiate all send/recv to/from others. */
preq = req;
qreq = req + size - 1;
- prcv = (char*) recv_buff;
- psnd = (char*) send_buff;
- for (i = 0; i < size; i++)
- {
- src = dst = (rank + i) % size;
- if (src == rank) continue;
- if (dst == rank) continue;
- MPI_Recv_init(prcv + (src * rcvinc), recv_count, recv_type, src,
- tag, comm, preq++);
- MPI_Send_init(psnd + (dst * sndinc), send_count, send_type, dst,
- tag, comm, qreq++);
- }
+ prcv = (char *) recv_buff;
+ psnd = (char *) send_buff;
+ for (i = 0; i < size; i++) {
+ src = dst = (rank + i) % size;
+ if (src == rank)
+ continue;
+ if (dst == rank)
+ continue;
+ *(preq++) = smpi_mpi_recv_init(prcv + (src * rcvinc), recv_count, recv_type, src,
+ tag, comm);
+ *(qreq++) = smpi_mpi_send_init(psnd + (dst * sndinc), send_count, send_type, dst,
+ tag, comm);
+ }
/* Start all the requests. */
- err = MPI_Startall(nreqs, req);
+ smpi_mpi_startall(nreqs, req);
/* Wait for them all. */
- err = MPI_Waitall(nreqs, req, statuses);
+ smpi_mpi_waitall(nreqs, req, statuses);
- if (err != MPI_SUCCESS) {
- if (req)
- free((char *) req);
- return err;
- }
-
- for (i = 0, preq = req; i < nreqs; ++i, ++preq) {
- err = MPI_Request_free(preq);
- if (err != MPI_SUCCESS) {
- if (req)
- free((char *) req);
- if (statuses)
- free(statuses);
- return err;
- }
- }
/* All done */
if (req)
- free((char *) req);
+ xbt_free((char *) req);
if (statuses)
- free(statuses);
- return (1);
+ xbt_free(statuses);
+ return MPI_SUCCESS;
}
-
-