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lgorithmique
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istribuée
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avoid warning by checking index in the right order
[simgrid.git]
/
src
/
smpi
/
colls
/
reduce_scatter-ompi.c
diff --git
a/src/smpi/colls/reduce_scatter-ompi.c
b/src/smpi/colls/reduce_scatter-ompi.c
index
f8c716f
..
1f3175b
100644
(file)
--- a/
src/smpi/colls/reduce_scatter-ompi.c
+++ b/
src/smpi/colls/reduce_scatter-ompi.c
@@
-61,6
+61,8
@@
smpi_coll_tuned_reduce_scatter_ompi_basic_recursivehalving(void *sbuf,
size = smpi_comm_size(comm);
XBT_DEBUG("coll:tuned:reduce_scatter_ompi_basic_recursivehalving, rank %d", rank);
size = smpi_comm_size(comm);
XBT_DEBUG("coll:tuned:reduce_scatter_ompi_basic_recursivehalving, rank %d", rank);
+ if(!smpi_op_is_commute(op))
+ THROWF(arg_error,0, " reduce_scatter ompi_basic_recursivehalving can only be used for commutative operations! ");
/* Find displacements and the like */
disps = (int*) xbt_malloc(sizeof(int) * size);
/* Find displacements and the like */
disps = (int*) xbt_malloc(sizeof(int) * size);