105 строки
4.7 KiB
C
105 строки
4.7 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
|
|
/*
|
|
* Copyright (c) 2008 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2011-2013 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2009 Cisco Systems, Inc. All rights reserved.
|
|
* Copyright (c) 2013-2014 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* Copyright (c) 2012-2013 Inria. All rights reserved.
|
|
*
|
|
* Author(s): Torsten Hoefler
|
|
*
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include "ompi/mpi/c/bindings.h"
|
|
#include "ompi/runtime/params.h"
|
|
#include "ompi/communicator/communicator.h"
|
|
#include "ompi/errhandler/errhandler.h"
|
|
#include "ompi/memchecker.h"
|
|
#include "ompi/mca/topo/topo.h"
|
|
#include "ompi/mca/topo/base/base.h"
|
|
|
|
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Dist_graph_create_adjacent = PMPI_Dist_graph_create_adjacent
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Dist_graph_create_adjacent";
|
|
|
|
|
|
int MPI_Dist_graph_create_adjacent(MPI_Comm comm_old,
|
|
int indegree, const int sources[],
|
|
const int sourceweights[], int outdegree,
|
|
const int destinations[], const int destweights[],
|
|
MPI_Info info, int reorder,
|
|
MPI_Comm *comm_dist_graph)
|
|
{
|
|
mca_topo_base_module_t* topo;
|
|
int i, comm_size, err;
|
|
|
|
MEMCHECKER(
|
|
memchecker_comm(comm_old);
|
|
);
|
|
|
|
if (MPI_PARAM_CHECK) {
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
|
if (ompi_comm_invalid(comm_old)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
|
|
FUNC_NAME);
|
|
} else if (OMPI_COMM_IS_INTER(comm_old)) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
|
|
FUNC_NAME);
|
|
} else if (indegree < 0 || outdegree < 0 || NULL == comm_dist_graph) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm_old, MPI_ERR_ARG,
|
|
"MPI_Dist_graph_create_adjacent negative degree");
|
|
} else if ((indegree > 0 &&
|
|
(NULL == sources || NULL == sourceweights)) ||
|
|
(outdegree > 0 &&
|
|
(NULL == destinations || NULL == destweights))) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm_old, MPI_ERR_ARG, "MPI_Dist_graph_create_adjacent mismatched sources or destinations");
|
|
}
|
|
comm_size = ompi_comm_size(comm_old);
|
|
for (i = 0; i < indegree; ++i) {
|
|
if (sources[i] < 0 || sources[i] >= comm_size) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm_old, MPI_ERR_ARG,
|
|
"MPI_Dist_graph_create_adjacent invalid sources");
|
|
} else if (MPI_UNWEIGHTED != sourceweights && sourceweights[i] < 0) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm_old, MPI_ERR_ARG,
|
|
"MPI_Dist_graph_create_adjacent invalid sourceweights");
|
|
}
|
|
}
|
|
for (i = 0; i < outdegree; ++i) {
|
|
if (destinations[i] < 0 || destinations[i] >= comm_size) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm_old, MPI_ERR_ARG,
|
|
"MPI_Dist_graph_create_adjacent invalid destinations");
|
|
} else if (MPI_UNWEIGHTED != destweights && destweights[i] < 0) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm_old, MPI_ERR_ARG,
|
|
"MPI_Dist_graph_create_adjacent invalid destweights");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Ensure there is a topo attached to this communicator */
|
|
if(OMPI_SUCCESS != (err = mca_topo_base_comm_select(comm_old, NULL,
|
|
&topo, OMPI_COMM_DIST_GRAPH))) {
|
|
return OMPI_ERRHANDLER_INVOKE(comm_old, err, FUNC_NAME);
|
|
}
|
|
|
|
/* XXX -- CONST -- do not cast away const -- update mca/topo */
|
|
err = topo->topo.dist_graph.dist_graph_create_adjacent(topo, comm_old, indegree,
|
|
(int *) sources, (int *) sourceweights, outdegree,
|
|
(int *) destinations, (int *) destweights, info,
|
|
reorder, comm_dist_graph);
|
|
OMPI_ERRHANDLER_RETURN(err, comm_old, err, FUNC_NAME);
|
|
}
|
|
|