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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006-2022 Cisco Systems, Inc. All rights reserved
* Copyright (c) 2013 Los Alamos National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "opal_stdint.h"
#include "ompi/op/op.h"
#include "ompi/mpi/c/bindings.h"
int MPI_Reduce(const void *sendbuf, void *recvbuf, int count,
MPI_Datatype datatype, MPI_Op op, int root, MPI_Comm comm)
{
char typename[MPI_MAX_OBJECT_NAME], commname[MPI_MAX_OBJECT_NAME];
int len;
int rank;
PMPI_Comm_rank(MPI_COMM_WORLD, &rank);
if (datatype != MPI_DATATYPE_NULL) {
PMPI_Type_get_name(datatype, typename, &len);
} else {
strncpy(typename, "MPI_DATATYPE_NULL", sizeof(typename));
}
PMPI_Comm_get_name(comm, commname, &len);
fprintf(stderr,"MPI_REDUCE[%d]: sendbuf %0" PRIxPTR " recvbuf %0" PRIxPTR " count %d datatype %s op %s root %d comm %s\n",
rank, (uintptr_t) sendbuf, (uintptr_t) recvbuf, count, typename, op->o_name, root, commname);
fflush(stderr);
return PMPI_Reduce(sendbuf, recvbuf, count, datatype, op, root, comm);
}
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