+/* 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)
It uses 2-layer communication: binomial for intra-communication
and rdb for inter-communication*/
-/* 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
/* ** NOTE **
Use -DMPICH2 if this code does not compile.
{
int comm_size, rank;
void *tmp_buf;
- int tag = 50;
+ int tag = COLL_TAG_ALLREDUCE;
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));
+ }
/*
#ifdef MPICH2_REDUCTION
MPI_User_function * uop = MPIR_Op_table[op % 16 - 1];