From: degomme <degomme@localhost.localdomain>
Date: Wed, 4 Jun 2014 16:18:55 +0000 (+0200)
Subject: Privatization : switch data segments when copying inside a single node
X-Git-Tag: v3_12~1005^2~4
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/6a1530b72172faab6860601b33b8325ca8490192?hp=7b980def32cd726e07193e679c3e97e0db47d91e

Privatization : switch data segments when copying inside a single node
---

diff --git a/src/smpi/smpi_mpi_dt.c b/src/smpi/smpi_mpi_dt.c
index ee348b8eb9..2b42d05a97 100644
--- a/src/smpi/smpi_mpi_dt.c
+++ b/src/smpi/smpi_mpi_dt.c
@@ -157,7 +157,9 @@ int smpi_datatype_copy(void *sendbuf, int sendcount, MPI_Datatype sendtype,
                        void *recvbuf, int recvcount, MPI_Datatype recvtype)
 {
   int count;
-
+  if(smpi_privatize_global_variables){
+    switch_data_segment(smpi_process_index());
+  }
   /* First check if we really have something to do */
   if (recvcount > 0 && recvbuf != sendbuf) {
     /* FIXME: treat packed cases */