-/* Copyright (c) 2013-2014. The SimGrid Team.
+/* Copyright (c) 2013-2017. 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)
+/* IMPLEMENTED BY PITCH PATARASUK
+ Non-topoloty-specific (however, number of cores/node need to be changed)
all-reduce operation designed for smp clusters
- It uses 2-layer communication: binomial for both intra-communication
+ It uses 2-layer communication: binomial for both intra-communication
inter-communication*/
3) binomial_tree bcast intra-communication between root of each SMP node
4) binomial_tree bcast inside each SMP node
*/
+namespace simgrid{
+namespace smpi{
int Coll_allreduce_smp_binomial::allreduce(void *send_buf, void *recv_buf,
int count, MPI_Datatype dtype,
MPI_Op op, MPI_Comm comm)
mask <<= 1;
}
- /* start binomial reduce inter-communication between each SMP nodes:
+ /* start binomial reduce inter-communication between each SMP nodes:
each node only have one process that can communicate to other nodes */
if (intra_rank == 0) {
mask = 1;
}
}
- /* start binomial broadcast inter-communication between each SMP nodes:
+ /* start binomial broadcast inter-communication between each SMP nodes:
each node only have one process that can communicate to other nodes */
if (intra_rank == 0) {
mask = 1;
smpi_free_tmp_buffer(tmp_buf);
return MPI_SUCCESS;
}
+}
+}