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openmpi/ompi/mca/topo/base/topo_base_cartdim_get.c
George Bosilca 5fae72b9aa Add the MPI 2.2 MPI_Dist_graph functionality.
This patch reshape the way we deal with topologies completely. Where
our topologies were mainly storage components (they were not capable
of creating the new communicator), the new version is built around a
[possibly] common representation (in mca/topo/topo.h), but the functions
to attach and retrieve the topological information are specific to each
component. As a result the ompi_create_cart and ompi_create_graph functions
become useless and have been removed.

In addition to adding the internal infrastructure to manage the topology
information, it updates the MPI interface, and the debuggers support and
provides all Fortran interfaces.

This commit was SVN r28687.
2013-07-01 12:40:08 +00:00

40 строки
1.2 KiB
C

/*
* Copyright (c) 2004-2005 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) 2004-2005 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mca/topo/base/base.h"
#include "ompi/communicator/communicator.h"
/*
* function - retrieves Cartesian topology information associated with a
* communicator
*
* @param comm communicator with cartesian structure (handle)
* @param ndims number of dimensions of the cartesian structure (integer)
*
* @retval MPI_SUCCESS
* @retval MPI_ERR_COMM
*/
int mca_topo_base_cartdim_get(ompi_communicator_t* comm, int *ndims)
{
*ndims = comm->c_topo->mtc.cart->ndims;
return MPI_SUCCESS;
}