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[simgrid.git]
/
src
/
smpi
/
colls
/
allreduce-smp-binomial-pipeline.c
diff --git
a/src/smpi/colls/allreduce-smp-binomial-pipeline.c
b/src/smpi/colls/allreduce-smp-binomial-pipeline.c
index
93d72bb
..
06a80a7
100644
(file)
--- a/
src/smpi/colls/allreduce-smp-binomial-pipeline.c
+++ b/
src/smpi/colls/allreduce-smp-binomial-pipeline.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"
/* IMPLEMENTED BY PITCH PATARASUK
Non-topoloty-specific (however, number of cores/node need to be changed)
#include "colls_private.h"
/* IMPLEMENTED BY PITCH PATARASUK
Non-topoloty-specific (however, number of cores/node need to be changed)
@@
-6,11
+12,7
@@
inter-communication
The communication are done in a pipeline fashion */
inter-communication
The communication are done in a pipeline fashion */
-/* change number of core per smp-node
- we assume that number of core per process will be the same for all implementations */
-#ifndef NUM_CORE
-#define NUM_CORE 8
-#endif
+
/* this is a default segment size for pipelining,
but it is typically passed as a command line argument */
/* this is a default segment size for pipelining,
but it is typically passed as a command line argument */
@@
-43,16
+45,22
@@
int smpi_coll_tuned_allreduce_smp_binomial_pipeline(void *send_buf,
{
int comm_size, rank;
void *tmp_buf;
{
int comm_size, rank;
void *tmp_buf;
- int tag =
50
;
+ int tag =
COLL_TAG_ALLREDUCE
;
int mask, src, dst;
MPI_Status status;
int mask, src, dst;
MPI_Status status;
- int num_core = NUM_CORE;
+ if(smpi_comm_get_leaders_comm(comm)==MPI_COMM_NULL){
+ smpi_comm_init_smp(comm);
+ }
+ int num_core=1;
+ if (smpi_comm_is_uniform(comm)){
+ num_core = smpi_comm_size(smpi_comm_get_intra_comm(comm));
+ }
comm_size = smpi_comm_size(comm);
rank = smpi_comm_rank(comm);
MPI_Aint extent;
extent = smpi_datatype_get_extent(dtype);
comm_size = smpi_comm_size(comm);
rank = smpi_comm_rank(comm);
MPI_Aint extent;
extent = smpi_datatype_get_extent(dtype);
- tmp_buf = (void *)
xbt_malloc
(count * extent);
+ tmp_buf = (void *)
smpi_get_tmp_sendbuffer
(count * extent);
int intra_rank, inter_rank;
intra_rank = rank % num_core;
int intra_rank, inter_rank;
intra_rank = rank % num_core;
@@
-189,6
+197,6
@@
int smpi_coll_tuned_allreduce_smp_binomial_pipeline(void *send_buf,
}
} // for phase
}
} // for phase
-
free
(tmp_buf);
+
smpi_free_tmp_buffer
(tmp_buf);
return MPI_SUCCESS;
}
return MPI_SUCCESS;
}