A
lgorithmique
N
umérique
D
istribuée
Public GIT Repository
projects
/
simgrid.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
avoid warning by checking index in the right order
[simgrid.git]
/
src
/
smpi
/
colls
/
reduce-scatter-gather.c
diff --git
a/src/smpi/colls/reduce-scatter-gather.c
b/src/smpi/colls/reduce-scatter-gather.c
index
92249bd
..
30d5e6e
100644
(file)
--- a/
src/smpi/colls/reduce-scatter-gather.c
+++ b/
src/smpi/colls/reduce-scatter-gather.c
@@
-33,9
+33,15
@@
int smpi_coll_tuned_reduce_scatter_gather(void *sendbuf, void *recvbuf,
return 0;
rank = smpi_comm_rank(comm);
comm_size = smpi_comm_size(comm);
return 0;
rank = smpi_comm_rank(comm);
comm_size = smpi_comm_size(comm);
+
- extent = smpi_datatype_get_extent(datatype);
+ extent = smpi_datatype_get_extent(datatype);
+ /* If I'm not the root, then my recvbuf may not be valid, therefore
+ I have to allocate a temporary one */
+ if (rank != root && !recvbuf) {
+ recvbuf = (void *)xbt_malloc(count * extent);
+ }
/* find nearest power-of-two less than or equal to comm_size */
pof2 = 1;
while (pof2 <= comm_size)
/* find nearest power-of-two less than or equal to comm_size */
pof2 = 1;
while (pof2 <= comm_size)