-/* Copyright (c) 2013-2017. The SimGrid Team.
+/* Copyright (c) 2013-2019. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
//#include <star-reduction.c>
namespace simgrid{
namespace smpi{
-int Coll_allreduce_rdb::allreduce(void *sbuff, void *rbuff, int count,
+int Coll_allreduce_rdb::allreduce(const void *sbuff, void *rbuff, int count,
MPI_Datatype dtype, MPI_Op op, MPI_Comm comm)
{
int nprocs, rank, tag = COLL_TAG_ALLREDUCE;
int mask, dst, pof2, newrank, rem, newdst;
MPI_Aint extent, lb;
MPI_Status status;
- void *tmp_buf = NULL;
/*
#ifdef MPICH2_REDUCTION
MPI_User_function * uop = MPIR_Op_table[op % 16 - 1];
rank=comm->rank();
dtype->extent(&lb, &extent);
- tmp_buf = (void *) smpi_get_tmp_sendbuffer(count * extent);
+ unsigned char* tmp_buf = smpi_get_tmp_sendbuffer(count * extent);
Request::sendrecv(sbuff, count, dtype, rank, 500,
rbuff, count, dtype, rank, 500, comm, &status);
Request::send(rbuff, count, dtype, rank + 1, tag, comm);
// temporarily set the rank to -1 so that this
- // process does not pariticipate in recursive
+ // process does not participate in recursive
// doubling
newrank = -1;
} else // odd
// recvbuf contains data accumulated so far
// op is commutative OR the order is already right
- // we assume it is commuttive op
+ // we assume it is commutative op
// if (op -> op_commute || (dst < rank))
if ((dst < rank)) {
if(op!=MPI_OP_NULL) op->apply( tmp_buf, rbuff, &count, dtype);