From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Tue, 2 Jul 2013 15:34:56 +0000 (+0200)
Subject: use the right index for sendrecv optimization
X-Git-Tag: v3_9_90~210
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/f6ca129aacb2f3200af4644e0dd236985973e7b6?ds=sidebyside

use the right index for sendrecv optimization
---

diff --git a/src/smpi/smpi_base.c b/src/smpi/smpi_base.c
index 9f1233577f..d7b67c078e 100644
--- a/src/smpi/smpi_base.c
+++ b/src/smpi/smpi_base.c
@@ -528,7 +528,7 @@ void smpi_mpi_sendrecv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   MPI_Request requests[2];
   MPI_Status stats[2];
   int myid=smpi_process_index();
-  if ((dst == myid) && (src == myid)) {
+  if ((smpi_group_index(smpi_comm_group(comm), dst) == myid) && (smpi_group_index(smpi_comm_group(comm), src) == myid)) {
       smpi_datatype_copy(sendbuf, sendcount, sendtype,
                                      recvbuf, recvcount, recvtype);
       return;