X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/89e44dce958ad9625570b126f11d299b829d4932..ec3e4ee5f1a7ffeb96e044057809944f364014e6:/src/smpi/colls/allreduce-rdb.c

diff --git a/src/smpi/colls/allreduce-rdb.c b/src/smpi/colls/allreduce-rdb.c
index f1fe9f6a5d..85a31efd54 100644
--- a/src/smpi/colls/allreduce-rdb.c
+++ b/src/smpi/colls/allreduce-rdb.c
@@ -1,10 +1,16 @@
+/* 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>
 
 int smpi_coll_tuned_allreduce_rdb(void *sbuff, void *rbuff, int count,
                                   MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
 {
-  int nprocs, rank, type_size, tag = 543;
+  int nprocs, rank, tag = COLL_TAG_ALLREDUCE;
   int mask, dst, pof2, newrank, rem, newdst;
   MPI_Aint extent, lb;
   MPI_Status status;
@@ -23,13 +29,11 @@ int smpi_coll_tuned_allreduce_rdb(void *sbuff, void *rbuff, int count,
   rank=smpi_comm_rank(comm);
 
   smpi_datatype_extent(dtype, &lb, &extent);
-  tmp_buf = (void *) xbt_malloc(count * extent);
+  tmp_buf = (void *) smpi_get_tmp_sendbuffer(count * extent);
 
   smpi_mpi_sendrecv(sbuff, count, dtype, rank, 500,
                rbuff, count, dtype, rank, 500, comm, &status);
 
-  type_size=smpi_datatype_size(dtype);
-
   // find nearest power-of-two less than or equal to comm_size
   pof2 = 1;
   while (pof2 <= nprocs)
@@ -121,6 +125,6 @@ int smpi_coll_tuned_allreduce_rdb(void *sbuff, void *rbuff, int count,
       smpi_mpi_recv(rbuff, count, dtype, rank + 1, tag, comm, &status);
   }
 
-  free(tmp_buf);
+  smpi_free_tmp_buffer(tmp_buf);
   return MPI_SUCCESS;
 }