X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/1faf1e4ac5d8295ab562c45a5507a471ad4540a6..48af4c8427d171d3e05d39116b02e441f2391374:/src/smpi/colls/reduce-binomial.c

diff --git a/src/smpi/colls/reduce-binomial.c b/src/smpi/colls/reduce-binomial.c
index 6c91ffbf04..597c2e469f 100644
--- a/src/smpi/colls/reduce-binomial.c
+++ b/src/smpi/colls/reduce-binomial.c
@@ -1,3 +1,9 @@
+/* Copyright (c) 2013-2014. 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 "colls_private.h"
 
 //#include <star-reduction.c>
@@ -23,8 +29,6 @@ int smpi_coll_tuned_reduce_binomial(void *sendbuf, void *recvbuf, int count,
 
   tmp_buf = (void *) xbt_malloc(count * extent);
   int is_commutative = smpi_op_is_commute(op);
-  smpi_mpi_sendrecv(sendbuf, count, datatype, rank, tag,
-               recvbuf, count, datatype, rank, tag, comm, &status);
   mask = 1;
   
   int lroot;
@@ -72,14 +76,17 @@ int smpi_coll_tuned_reduce_binomial(void *sendbuf, void *recvbuf, int count,
     mask <<= 1;
   }
 
-if (!is_commutative && (root != 0)){
-  if (rank == 0){
-    smpi_mpi_send(recvbuf, count, datatype, root,tag, comm);
-  }else if (rank == root){
-    smpi_mpi_recv(recvbuf, count, datatype, 0, tag, comm, &status);
+  if (!is_commutative && (root != 0)){
+    if (rank == 0){
+      smpi_mpi_send(recvbuf, count, datatype, root,tag, comm);
+    }else if (rank == root){
+      smpi_mpi_recv(recvbuf, count, datatype, 0, tag, comm, &status);
+    }
   }
-}
 
+  if (rank != root) {
+        xbt_free(recvbuf);
+  }
   free(tmp_buf);
 
   return 0;