1
1
openmpi/ompi/mpi/c/graph_map.c
2016-11-22 15:03:20 -08:00

85 строки
2.9 KiB
C

/* -*- 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) 2004-2013 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) 2007-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2012-2013 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2012-2013 Inria. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/mca/topo/topo.h"
#include "ompi/memchecker.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Graph_map = PMPI_Graph_map
#endif
#define MPI_Graph_map PMPI_Graph_map
#endif
static const char FUNC_NAME[] = "MPI_Graph_map";
int MPI_Graph_map(MPI_Comm comm, int nnodes, const int indx[], const int edges[],
int *newrank)
{
int err = MPI_SUCCESS;
MEMCHECKER(
memchecker_comm(comm);
);
/* check the arguments */
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_INVOKE (MPI_COMM_WORLD, MPI_ERR_COMM,
FUNC_NAME);
}
if (OMPI_COMM_IS_INTER(comm)) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_COMM,
FUNC_NAME);
}
if (1 > nnodes || NULL == indx || NULL == edges || NULL == newrank) {
return OMPI_ERRHANDLER_INVOKE (comm, MPI_ERR_ARG,
FUNC_NAME);
}
}
OPAL_CR_ENTER_LIBRARY();
if(!OMPI_COMM_IS_GRAPH(comm)) {
/* In case the communicator has no topo-module attached to
it, we just return the "default" value suggested by MPI:
newrank = rank */
*newrank = ompi_comm_rank(comm);
} else {
err = comm->c_topo->topo.graph.graph_map(comm, nnodes, indx, edges, newrank);
}
OPAL_CR_EXIT_LIBRARY();
OMPI_ERRHANDLER_RETURN(err, comm, err, FUNC_NAME);
}