X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/84f6ab110aa0bbbb1c02733c276c5ef72d65935e..cc63d7b267be4c20633a0be7db63b3d88030bee6:/src/smpi/colls/reduce-arrival-pattern-aware.c

diff --git a/src/smpi/colls/reduce-arrival-pattern-aware.c b/src/smpi/colls/reduce-arrival-pattern-aware.c
index 7ae69a8fda..920a15c836 100644
--- a/src/smpi/colls/reduce-arrival-pattern-aware.c
+++ b/src/smpi/colls/reduce-arrival-pattern-aware.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>
 
@@ -18,9 +24,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
                                                  MPI_Op op, int root,
                                                  MPI_Comm comm)
 {
-  int rank;
-  rank = smpi_comm_rank(comm);
-
+  int rank = smpi_comm_rank(comm);
   int tag = -COLL_TAG_REDUCE;
   MPI_Status status;
   MPI_Request request;
@@ -31,7 +35,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
 
   MPI_Status temp_status_array[MAX_NODE];
 
-  int size;
+  int size = smpi_comm_size(comm);
   int i;
 
   int sent_count;
@@ -48,10 +52,6 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
   /* source and destination */
   int to, from;
 
-  size=smpi_comm_size(comm);
-  rank=smpi_comm_rank(comm);
-
-
   /* segment is segment size in number of elements (not bytes) */
   int segment = reduce_arrival_pattern_aware_segment_size_in_byte / extent;
 
@@ -179,8 +179,7 @@ int smpi_coll_tuned_reduce_arrival_pattern_aware(void *buf, void *rbuf,
           to = header_buf[myordering + 1];
         }
         from = header_buf[myordering - 1];
-        smpi_mpi_recv(tmp_buf, count, datatype, header_buf[myordering - 1], tag,
-                 comm, &status);
+        smpi_mpi_recv(tmp_buf, count, datatype, from, tag, comm, &status);
         smpi_op_apply(op, tmp_buf, rbuf, &count, &datatype);
         smpi_mpi_send(rbuf, count, datatype, to, tag, comm);
       }