X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/49e85177c669d793e84242983a1b1f430e47184e..aa3595ed3c903167f52eeeab8e636bec96b258dd:/src/smpi/colls/bcast-NTSL.c

diff --git a/src/smpi/colls/bcast-NTSL.c b/src/smpi/colls/bcast-NTSL.c
index c1cf563e1c..c9df1a7c29 100644
--- a/src/smpi/colls/bcast-NTSL.c
+++ b/src/smpi/colls/bcast-NTSL.c
@@ -34,8 +34,8 @@ int smpi_coll_tuned_bcast_NTSL(void *buf, int count, MPI_Datatype datatype,
   int from = (rank + size - 1) % size;
 
   /* segment is segment size in number of elements (not bytes) */
-  int segment = bcast_NTSL_segment_size_in_byte / extent;
-
+  int segment = extent == 0 ? 1 : (bcast_NTSL_segment_size_in_byte / extent);
+  segment =  segment == 0 ? 1 :segment; 
   /* pipeline length */
   int pipe_length = count / segment;