A
lgorithmique
N
umérique
D
istribuée
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kill all trailling whitespaces
[simgrid.git]
/
src
/
smpi
/
colls
/
alltoallv
/
alltoallv-ring.cpp
diff --git
a/src/smpi/colls/alltoallv/alltoallv-ring.cpp
b/src/smpi/colls/alltoallv/alltoallv-ring.cpp
index
2290059
..
ddc591b
100644
(file)
--- a/
src/smpi/colls/alltoallv/alltoallv-ring.cpp
+++ b/
src/smpi/colls/alltoallv/alltoallv-ring.cpp
@@
-45,7
+45,7
@@
int Coll_alltoallv_ring::alltoallv(void* send_buff, int* send_counts, int* send_
recv_chunk = recv_type->get_extent();
int pof2 = ((num_procs != 0) && ((num_procs & (~num_procs + 1)) == num_procs));
for (i = 0; i < num_procs; i++) {
-
+
if (pof2 == 1) {
/* use exclusive-or algorithm */
src = dst = rank ^ i;