-/* Copyright (c) 2013-2017. The SimGrid Team.
+/* Copyright (c) 2013-2021. 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.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)
+int reduce__binomial(const void *sendbuf, void *recvbuf, int count,
+ MPI_Datatype datatype, MPI_Op op, int root,
+ MPI_Comm comm)
{
MPI_Status status;
int comm_size, rank;
int dst;
int tag = COLL_TAG_REDUCE;
MPI_Aint extent;
- void *tmp_buf;
MPI_Aint true_lb, true_extent;
if (count == 0)
return 0;
extent = datatype->get_extent();
- tmp_buf = (void *) smpi_get_tmp_sendbuffer(count * extent);
- int is_commutative = (op==MPI_OP_NULL || op->is_commutative());
+ unsigned char* tmp_buf = smpi_get_tmp_sendbuffer(count * extent);
+ bool is_commutative = (op == MPI_OP_NULL || op->is_commutative());
mask = 1;
int lroot;
datatype->extent(&true_lb, &true_extent);
/* adjust for potential negative lower bound in datatype */
- tmp_buf = (void *)((char*)tmp_buf - true_lb);
+ tmp_buf = 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 (rank != root) {
- smpi_free_tmp_buffer(recvbuf);
+ smpi_free_tmp_buffer(static_cast<unsigned char*>(recvbuf));
}
smpi_free_tmp_buffer(tmp_buf);