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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) 2004-2015 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
*
* $HEADER$
*/
#ifndef MCA_COLL_BASE_TOPO_H_HAS_BEEN_INCLUDED
#define MCA_COLL_BASE_TOPO_H_HAS_BEEN_INCLUDED
#include "ompi_config.h"
#include <stddef.h>
#define MAXTREEFANOUT 32
#define MEMBSIZE(type, member) (sizeof(((type *)0)->member[0]))
#define COLL_TREE_SIZE(fanout) \
(offsetof(ompi_coll_tree_t, tree_next) + (fanout) * MEMBSIZE(ompi_coll_tree_t, tree_next))
BEGIN_C_DECLS
typedef struct ompi_coll_tree_t {
int32_t tree_root;
int32_t tree_fanout;
int32_t tree_bmtree;
int32_t tree_prev;
int32_t tree_nextsize;
int32_t tree_next[];
} ompi_coll_tree_t;
ompi_coll_tree_t*
ompi_coll_base_topo_build_tree( int fanout,
struct ompi_communicator_t* com,
int root );
ompi_coll_tree_t*
ompi_coll_base_topo_build_in_order_bintree( struct ompi_communicator_t* comm );
ompi_coll_tree_t*
ompi_coll_base_topo_build_bmtree( struct ompi_communicator_t* comm,
int root );
ompi_coll_tree_t*
ompi_coll_base_topo_build_in_order_bmtree( struct ompi_communicator_t* comm,
int root );
ompi_coll_tree_t*
ompi_coll_base_topo_build_kmtree(struct ompi_communicator_t* comm,
int root, int radix);
ompi_coll_tree_t*
ompi_coll_base_topo_build_chain( int fanout,
struct ompi_communicator_t* com,
int root );
int ompi_coll_base_topo_destroy_tree( ompi_coll_tree_t** tree );
/* debugging stuff, will be removed later */
int ompi_coll_base_topo_dump_tree (ompi_coll_tree_t* tree, int rank);
END_C_DECLS
#endif /* MCA_COLL_BASE_TOPO_H_HAS_BEEN_INCLUDED */
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