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/*
* 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 (c) 2008 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2009 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2012-2013 Los Alamos National Security, Inc. All rights reserved.
* Copyright (c) 2012-2013 Inria. All rights reserved.
* Copyright (c) 2014-2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2016-2017 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#ifndef MCA_TOPO_BASE_H
#define MCA_TOPO_BASE_H
#include "ompi_config.h"
#include "opal/class/opal_list.h"
#include "ompi/mca/mca.h"
#include "ompi/mca/topo/topo.h"
#include "ompi/proc/proc.h"
#include "ompi/communicator/communicator.h"
#include "ompi/info/info.h"
/*
* All stuff goes in here
*/
BEGIN_C_DECLS
/* Lazily initialize the framework (if it wasn't already) */
OMPI_DECLSPEC int mca_topo_base_lazy_init(void);
/*
* MCA Framework
*/
OMPI_DECLSPEC extern mca_base_framework_t ompi_topo_base_framework;
/* Select a topo module for a particular type of topology */
OMPI_DECLSPEC int
mca_topo_base_comm_select(const ompi_communicator_t* comm,
mca_topo_base_module_t* preferred_module,
mca_topo_base_module_t** selected_module,
uint32_t type);
/* Find all components that want to be considered in this job */
OMPI_DECLSPEC int
mca_topo_base_find_available(bool enable_progress_threads,
bool enable_mpi_threads);
/*
* All the glue functions which we will provide to the users by
* default. The component authors need to only write back-end
* functions for cart_create(), graph_create(), graph_map(), and
* cart_map() for their topology components. But they can implement
* these glue functions if they want.
*
* These glue functions
*/
OMPI_DECLSPEC int
mca_topo_base_cart_create(mca_topo_base_module_t *topo_module,
ompi_communicator_t* old_comm,
int ndims,
const int *dims,
const int *periods,
bool reorder,
ompi_communicator_t** comm_topo);
OMPI_DECLSPEC int
mca_topo_base_cart_coords(ompi_communicator_t *comm,
int rank,
int maxdims,
int *coords);
OMPI_DECLSPEC int
mca_topo_base_cartdim_get(ompi_communicator_t *comm,
int *ndims);
OMPI_DECLSPEC int
mca_topo_base_cart_get(ompi_communicator_t *comm,
int maxdims,
int *dims,
int *periods,
int *coords);
OMPI_DECLSPEC int
mca_topo_base_cart_map(ompi_communicator_t * comm,
int ndims,
const int *dims, const int *periods, int *newrank);
OMPI_DECLSPEC int
mca_topo_base_cart_rank(ompi_communicator_t *comm,
const int *coords,
int *rank);
OMPI_DECLSPEC int
mca_topo_base_cart_shift(ompi_communicator_t *comm,
int direction,
int disp,
int *rank_source,
int *rank_dest);
OMPI_DECLSPEC int
mca_topo_base_cart_sub(ompi_communicator_t *comm,
const int *remain_dims,
ompi_communicator_t **new_comm);
OMPI_DECLSPEC int
mca_topo_base_graphdims_get(ompi_communicator_t *comm,
int *nodes,
int *nedges);
OMPI_DECLSPEC int
mca_topo_base_graph_create(mca_topo_base_module_t *topo_module,
ompi_communicator_t* old_comm,
int nnodes,
const int *index,
const int *edges,
bool reorder,
ompi_communicator_t** new_comm);
OMPI_DECLSPEC int
mca_topo_base_graph_get(ompi_communicator_t *comm,
int maxindex,
int maxedges,
int *index,
int *edges);
OMPI_DECLSPEC int
mca_topo_base_graph_map(ompi_communicator_t * comm,
int nnodes,
const int *index, const int *edges, int *newrank);
OMPI_DECLSPEC int
mca_topo_base_graph_neighbors(ompi_communicator_t *comm,
int rank,
int maxneighbors,
int *neighbors);
OMPI_DECLSPEC int
mca_topo_base_graph_neighbors_count(ompi_communicator_t *comm,
int rank,
int *nneighbors);
/**
* Efficiently distribute the information about the distributed graph as
* submitted through the distributed graph interface.
*/
OMPI_DECLSPEC int
mca_topo_base_dist_graph_distribute(mca_topo_base_module_t* module,
ompi_communicator_t *comm,
int n, const int nodes[],
const int degrees[], const int targets[],
const int weights[],
mca_topo_base_comm_dist_graph_2_2_0_t** ptopo);
OMPI_DECLSPEC int
mca_topo_base_dist_graph_create(mca_topo_base_module_t* module,
ompi_communicator_t *old_comm,
int n, const int nodes[],
const int degrees[], const int targets[], const int weights[],
opal_info_t *info, int reorder,
ompi_communicator_t **new_comm);
OMPI_DECLSPEC int
mca_topo_base_dist_graph_create_adjacent(mca_topo_base_module_t* module,
ompi_communicator_t *old_comm,
int indegree, const int sources[],
const int sourceweights[], int outdegree,
const int destinations[], const int destweights[],
opal_info_t *info, int reorder,
ompi_communicator_t **comm_dist_graph);
OMPI_DECLSPEC int
mca_topo_base_dist_graph_neighbors(ompi_communicator_t *comm,
int maxindegree,
int sources[], int sourceweights[],
int maxoutdegree, int destinations[],
int destweights[]);
OMPI_DECLSPEC int
mca_topo_base_dist_graph_neighbors_count(ompi_communicator_t *comm,
int *inneighbors, int *outneighbors, int *weighted);
int mca_topo_base_neighbor_count (ompi_communicator_t *comm, int *indegree, int *outdegree);
END_C_DECLS
#endif /* MCA_BASE_TOPO_H */
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