X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/d656f9465e7b1c36319f86eeafdcec58fe9551a4..d5cc61332edae35867a41bb38ad9401faaab2716:/src/smpi/colls/allreduce/allreduce-rab-rdb.cpp

diff --git a/src/smpi/colls/allreduce/allreduce-rab-rdb.cpp b/src/smpi/colls/allreduce/allreduce-rab-rdb.cpp
index ea216ccb20..90a44d2680 100644
--- a/src/smpi/colls/allreduce/allreduce-rab-rdb.cpp
+++ b/src/smpi/colls/allreduce/allreduce-rab-rdb.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2013-2017. The SimGrid Team.
+/* Copyright (c) 2013-2019. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -7,14 +7,13 @@
 #include "../colls_private.hpp"
 namespace simgrid{
 namespace smpi{
-int Coll_allreduce_rab_rdb::allreduce(void *sbuff, void *rbuff, int count,
+int Coll_allreduce_rab_rdb::allreduce(const void *sbuff, void *rbuff, int count,
                                       MPI_Datatype dtype, MPI_Op op,
                                       MPI_Comm comm)
 {
   int tag = COLL_TAG_ALLREDUCE;
   unsigned int mask, pof2, i, recv_idx, last_idx, send_idx, send_cnt;
-  int dst, newrank, rem, newdst,
-      recv_cnt, *cnts, *disps;
+  int dst, newrank, rem, newdst, recv_cnt;
   MPI_Aint extent;
   MPI_Status status;
   void *tmp_buf = NULL;
@@ -81,8 +80,8 @@ int Coll_allreduce_rab_rdb::allreduce(void *sbuff, void *rbuff, int count,
     // reduce-scatter, calculate the count that each process receives
     // and the displacement within the buffer
 
-    cnts = (int *) xbt_malloc(pof2 * sizeof(int));
-    disps = (int *) xbt_malloc(pof2 * sizeof(int));
+    int* cnts  = new int[pof2];
+    int* disps = new int[pof2];
 
     for (i = 0; i < (pof2 - 1); i++)
       cnts[i] = count / pof2;
@@ -177,9 +176,8 @@ int Coll_allreduce_rab_rdb::allreduce(void *sbuff, void *rbuff, int count,
       mask >>= 1;
     }
 
-    free(cnts);
-    free(disps);
-
+    delete[] cnts;
+    delete[] disps;
   }
   // In the non-power-of-two case, all odd-numbered processes of
   // rank < 2 * rem send the result to (rank-1), the ranks who didn't