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[SMPI] Only allocate memory for call-loc when cfg-option is given
[simgrid.git]
/
src
/
smpi
/
colls
/
bcast-NTSL.c
diff --git
a/src/smpi/colls/bcast-NTSL.c
b/src/smpi/colls/bcast-NTSL.c
index
090edc7
..
c9df1a7
100644
(file)
--- a/
src/smpi/colls/bcast-NTSL.c
+++ b/
src/smpi/colls/bcast-NTSL.c
@@
-1,3
+1,9
@@
+/* Copyright (c) 2013-2014. The SimGrid Team.
+ * All rights reserved. */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
#include "colls_private.h"
static int bcast_NTSL_segment_size_in_byte = 8192;
#include "colls_private.h"
static int bcast_NTSL_segment_size_in_byte = 8192;
@@
-8,7
+14,7
@@
static int bcast_NTSL_segment_size_in_byte = 8192;
int smpi_coll_tuned_bcast_NTSL(void *buf, int count, MPI_Datatype datatype,
int root, MPI_Comm comm)
{
int smpi_coll_tuned_bcast_NTSL(void *buf, int count, MPI_Datatype datatype,
int root, MPI_Comm comm)
{
- int tag =
50
;
+ int tag =
COLL_TAG_BCAST
;
MPI_Status status;
MPI_Request request;
MPI_Request *send_request_array;
MPI_Status status;
MPI_Request request;
MPI_Request *send_request_array;
@@
-20,16
+26,16
@@
int smpi_coll_tuned_bcast_NTSL(void *buf, int count, MPI_Datatype datatype,
MPI_Aint extent;
extent = smpi_datatype_get_extent(datatype);
MPI_Aint extent;
extent = smpi_datatype_get_extent(datatype);
- rank = smpi_comm_rank(
MPI_COMM_WORLD
);
- size = smpi_comm_size(
MPI_COMM_WORLD
);
+ rank = smpi_comm_rank(
comm
);
+ size = smpi_comm_size(
comm
);
/* source node and destination nodes (same through out the functions) */
int to = (rank + 1) % size;
int from = (rank + size - 1) % size;
/* segment is segment size in number of elements (not bytes) */
/* source node and destination nodes (same through out the functions) */
int to = (rank + 1) % size;
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;
/* pipeline length */
int pipe_length = count / segment;