From f6ca129aacb2f3200af4644e0dd236985973e7b6 Mon Sep 17 00:00:00 2001
From: Augustin Degomme <degomme@idpann.imag.fr>
Date: Tue, 2 Jul 2013 17:34:56 +0200
Subject: [PATCH] use the right index for sendrecv optimization

---
 src/smpi/smpi_base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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;
-- 
2.20.1