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Define buffer on the stack here.
[simgrid.git]
/
src
/
smpi
/
colls
/
allreduce-lr.c
diff --git
a/src/smpi/colls/allreduce-lr.c
b/src/smpi/colls/allreduce-lr.c
index
d526629
..
664c707
100644
(file)
--- a/
src/smpi/colls/allreduce-lr.c
+++ b/
src/smpi/colls/allreduce-lr.c
@@
-17,14
+17,14
@@
int
smpi_coll_tuned_allreduce_lr(void *sbuf, void *rbuf, int rcount,
MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
{
smpi_coll_tuned_allreduce_lr(void *sbuf, void *rbuf, int rcount,
MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
{
- int tag =
5000
;
+ int tag =
COLL_TAG_ALLREDUCE
;
MPI_Status status;
int rank, i, size, count;
int send_offset, recv_offset;
int remainder, remainder_flag, remainder_offset;
MPI_Status status;
int rank, i, size, count;
int send_offset, recv_offset;
int remainder, remainder_flag, remainder_offset;
- rank = smpi_comm_rank(
MPI_COMM_WORLD
);
- size = smpi_comm_size(
MPI_COMM_WORLD
);
+ rank = smpi_comm_rank(
comm
);
+ size = smpi_comm_size(
comm
);
/* make it compatible with all data type */
MPI_Aint extent;
/* make it compatible with all data type */
MPI_Aint extent;
@@
-39,12
+39,12
@@
smpi_coll_tuned_allreduce_lr(void *sbuf, void *rbuf, int rcount,
/* when communication size is not divisible by number of process:
call the native implementation for the remain chunk at the end of the operation */
/* when communication size is not divisible by number of process:
call the native implementation for the remain chunk at the end of the operation */
-
else
if (rcount % size != 0) {
+ if (rcount % size != 0) {
remainder = rcount % size;
remainder_flag = 1;
remainder_offset = (rcount / size) * size * extent;
} else {
remainder = rcount % size;
remainder_flag = 1;
remainder_offset = (rcount / size) * size * extent;
} else {
- remainder_flag = remainder_offset = 0;
+ remainder
= remainder
_flag = remainder_offset = 0;
}
/* size of each point-to-point communication is equal to the size of the whole message
}
/* size of each point-to-point communication is equal to the size of the whole message