X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/89e44dce958ad9625570b126f11d299b829d4932..1687df79d61a9418bba830bbd0ab7de16e457090:/src/smpi/colls/allreduce-smp-binomial.c

diff --git a/src/smpi/colls/allreduce-smp-binomial.c b/src/smpi/colls/allreduce-smp-binomial.c
index cf68dfb647..3d159be30f 100644
--- a/src/smpi/colls/allreduce-smp-binomial.c
+++ b/src/smpi/colls/allreduce-smp-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"
 /* IMPLEMENTED BY PITCH PATARASUK 
    Non-topoloty-specific (however, number of cores/node need to be changed) 
@@ -5,11 +11,6 @@
    It uses 2-layer communication: binomial for both intra-communication 
    inter-communication*/
 
-/* change number of core per smp-node
-   we assume that number of core per process will be the same for all implementations */
-#ifndef NUM_CORE
-#define NUM_CORE 8
-#endif
 
 /* ** NOTE **
    Use -DMPICH2 if this code does not compile.
@@ -32,26 +33,23 @@ int smpi_coll_tuned_allreduce_smp_binomial(void *send_buf, void *recv_buf,
 {
   int comm_size, rank;
   void *tmp_buf;
-  int tag = 50;
+  int tag = COLL_TAG_ALLREDUCE;
   int mask, src, dst;
-  int num_core = NUM_CORE;
+
+  if(smpi_comm_get_leaders_comm(comm)==MPI_COMM_NULL){
+    smpi_comm_init_smp(comm);
+  }
+  int num_core=1;
+  if (smpi_comm_is_uniform(comm)){
+    num_core = smpi_comm_size(smpi_comm_get_intra_comm(comm));
+  }
   MPI_Status status;
-  /*
-     #ifdef MPICH2_REDUCTION
-     MPI_User_function * uop = MPIR_Op_table[op % 16 - 1];
-     #else
-     MPI_User_function *uop;
-     struct MPIR_OP *op_ptr;
-     op_ptr = MPIR_ToPointer(op);
-     uop  = op_ptr->op;
-     #endif
-   */
 
   comm_size=smpi_comm_size(comm);
   rank=smpi_comm_rank(comm);
   MPI_Aint extent, lb;
   smpi_datatype_extent(dtype, &lb, &extent);
-  tmp_buf = (void *) xbt_malloc(count * extent);
+  tmp_buf = (void *) smpi_get_tmp_sendbuffer(count * extent);
 
   /* compute intra and inter ranking */
   int intra_rank, inter_rank;
@@ -152,6 +150,6 @@ int smpi_coll_tuned_allreduce_smp_binomial(void *send_buf, void *recv_buf,
     mask >>= 1;
   }
 
-  free(tmp_buf);
+  smpi_free_tmp_buffer(tmp_buf);
   return MPI_SUCCESS;
 }