-/* Copyright (c) 2013-2014. The SimGrid Team.
+/* Copyright (c) 2013-2018. 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"
+#include "../colls_private.hpp"
+#include <algorithm>
//#include <star-reduction.c>
-
+namespace simgrid{
+namespace smpi{
int Coll_reduce_binomial::reduce(void *sendbuf, void *recvbuf, int count,
MPI_Datatype datatype, MPI_Op op, int root,
MPI_Comm comm)
tmp_buf = (void *) smpi_get_tmp_sendbuffer(count * extent);
int is_commutative = (op==MPI_OP_NULL || op->is_commutative());
mask = 1;
-
+
int lroot;
- if (is_commutative)
+ if (is_commutative)
lroot = root;
else
lroot = 0;
/* adjust for potential negative lower bound in datatype */
tmp_buf = (void *)((char*)tmp_buf - true_lb);
-
+
/* If I'm not the root, then my recvbuf may not be valid, therefore
I have to allocate a temporary one */
if (rank != root) {
- recvbuf = (void *) smpi_get_tmp_recvbuffer(count*(MAX(extent,true_extent)));
+ recvbuf = (void*)smpi_get_tmp_recvbuffer(count * std::max(extent, true_extent));
recvbuf = (void *)((char*)recvbuf - true_lb);
}
if ((rank != root) || (sendbuf != MPI_IN_PLACE)) {
if (source < comm_size) {
source = (source + lroot) % comm_size;
Request::recv(tmp_buf, count, datatype, source, tag, comm, &status);
-
+
if (is_commutative) {
if(op!=MPI_OP_NULL) op->apply( tmp_buf, recvbuf, &count, datatype);
} else {
mask <<= 1;
}
- if (!is_commutative && (root != 0)){
+ if (not is_commutative && (root != 0)) {
if (rank == 0){
Request::send(recvbuf, count, datatype, root,tag, comm);
}else if (rank == root){
}
if (rank != root) {
- smpi_free_tmp_buffer(recvbuf);
+ smpi_free_tmp_buffer(recvbuf);
}
smpi_free_tmp_buffer(tmp_buf);
return 0;
}
+}
+}