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[simgrid.git] / src / smpi / colls / allreduce / allreduce-smp-binomial.cpp

diff --git a/src/smpi/colls/allreduce/allreduce-smp-binomial.cpp b/src/smpi/colls/allreduce/allreduce-smp-binomial.cpp
index 3b1c401..cea1643 100644 (file)
--- a/src/smpi/colls/allreduce/allreduce-smp-binomial.cpp
+++ b/src/smpi/colls/allreduce/allreduce-smp-binomial.cpp
@@ -6,12 +6,11 @@
 
 #include "../colls_private.hpp"
 /* IMPLEMENTED BY PITCH PATARASUK
-   Non-topoloty-specific (however, number of cores/node need to be changed)
+   Non-topology-specific (however, number of cores/node need to be changed)
    all-reduce operation designed for smp clusters
    It uses 2-layer communication: binomial for both intra-communication
    inter-communication*/
 
-
 /* ** NOTE **
    Use -DMPICH2 if this code does not compile.
    MPICH1 code also work on MPICH2 on our cluster and the performance are similar.
@@ -34,7 +33,6 @@ int Coll_allreduce_smp_binomial::allreduce(const void *send_buf, void *recv_buf,
                                            MPI_Op op, MPI_Comm comm)
 {
   int comm_size, rank;
-  void *tmp_buf;
   int tag = COLL_TAG_ALLREDUCE;
   int mask, src, dst;
 
@@ -51,7 +49,7 @@ int Coll_allreduce_smp_binomial::allreduce(const void *send_buf, void *recv_buf,
   rank=comm->rank();
   MPI_Aint extent, lb;
   dtype->extent(&lb, &extent);
-  tmp_buf = (void *) smpi_get_tmp_sendbuffer(count * extent);
+  unsigned char* tmp_buf = smpi_get_tmp_sendbuffer(count * extent);
 
   /* compute intra and inter ranking */
   int intra_rank, inter_rank;