X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/0e9c0448c6566825b170b98ecff716b098bda10e..1687df79d61a9418bba830bbd0ab7de16e457090:/src/smpi/colls/alltoall-2dmesh.c

diff --git a/src/smpi/colls/alltoall-2dmesh.c b/src/smpi/colls/alltoall-2dmesh.c
index 08f4db2cb3..dc9971627e 100644
--- a/src/smpi/colls/alltoall-2dmesh.c
+++ b/src/smpi/colls/alltoall-2dmesh.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 <math.h>
 
@@ -74,8 +80,8 @@ int smpi_coll_tuned_alltoall_2dmesh(void *send_buff, int send_count,
 
   block_size = extent * send_count;
 
-  tmp_buff1 = (char *) xbt_malloc(block_size * num_procs * Y);
-  tmp_buff2 = (char *) xbt_malloc(block_size * Y);
+  tmp_buff1 = (char *) smpi_get_tmp_sendbuffer(block_size * num_procs * Y);
+  tmp_buff2 = (char *) smpi_get_tmp_recvbuffer(block_size * Y);
 
   num_reqs = X;
   if (Y > X)
@@ -86,8 +92,6 @@ int smpi_coll_tuned_alltoall_2dmesh(void *send_buff, int send_count,
 
   req_ptr = reqs;
 
-  send_offset = recv_offset = (rank % Y) * block_size * num_procs;
-
   count = send_count * num_procs;
 
   for (i = 0; i < Y; i++) {
@@ -164,7 +168,7 @@ int smpi_coll_tuned_alltoall_2dmesh(void *send_buff, int send_count,
   smpi_mpi_waitall(X - 1, reqs, statuses);
   free(reqs);
   free(statuses);
-  free(tmp_buff1);
-  free(tmp_buff2);
+  smpi_free_tmp_buffer(tmp_buff1);
+  smpi_free_tmp_buffer(tmp_buff2);
   return MPI_SUCCESS;
 }