From: degomme <augustin.degomme@unibas.ch>
Date: Mon, 24 Aug 2015 12:35:58 +0000 (+0200)
Subject: make tracing work better with gatherv and scatterv
X-Git-Tag: v3_13~1632^2~4
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/1b0a81fe3d9fec2f6891c25490d346876026ed22?hp=2f405b6f2718785bb78ca4ae12854c10c74f0882

make tracing work better with gatherv and scatterv
---

diff --git a/src/smpi/smpi_pmpi.c b/src/smpi/smpi_pmpi.c
index 99fdf8abd2..fae36905ad 100644
--- a/src/smpi/smpi_pmpi.c
+++ b/src/smpi/smpi_pmpi.c
@@ -1820,10 +1820,11 @@ int PMPI_Gatherv(void *sendbuf, int sendcount, MPI_Datatype sendtype,
   int dt_size_recv = 1;
   if(!known)
     dt_size_recv = smpi_datatype_size(recvtype);
+  if((smpi_comm_rank(comm)==root)){
   extra->recvcounts= xbt_malloc(size*sizeof(int));
   for(i=0; i< size; i++)//copy data to avoid bad free
     extra->recvcounts[i] = recvcounts[i]*dt_size_recv;
-
+  }
   TRACE_smpi_collective_in(rank, root_traced, __FUNCTION__,extra);
 
   smpi_mpi_gatherv(sendtmpbuf, sendtmpcount, sendtmptype, recvbuf, recvcounts,
@@ -2023,9 +2024,11 @@ int PMPI_Scatterv(void *sendbuf, int *sendcounts, int *displs,
   int dt_size_send = 1;
   if(!known)
     dt_size_send = smpi_datatype_size(sendtype);
+  if((smpi_comm_rank(comm)==root)){
   extra->sendcounts= xbt_malloc(size*sizeof(int));
   for(i=0; i< size; i++)//copy data to avoid bad free
     extra->sendcounts[i] = sendcounts[i]*dt_size_send;
+  }
   extra->datatype2 = encode_datatype(recvtype, &known);
   int dt_size_recv = 1;
   if(!known)