73 строки
2.4 KiB
C
73 строки
2.4 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2015 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MCA_COLL_BASE_TOPO_H_HAS_BEEN_INCLUDED
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#define MCA_COLL_BASE_TOPO_H_HAS_BEEN_INCLUDED
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#include "ompi_config.h"
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#include <stddef.h>
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#define MAXTREEFANOUT 32
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#define MEMBSIZE(type, member) (sizeof(((type *)0)->member[0]))
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#define COLL_TREE_SIZE(fanout) \
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(offsetof(ompi_coll_tree_t, tree_next) + (fanout) * MEMBSIZE(ompi_coll_tree_t, tree_next))
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BEGIN_C_DECLS
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typedef struct ompi_coll_tree_t {
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int32_t tree_root;
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int32_t tree_fanout;
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int32_t tree_bmtree;
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int32_t tree_prev;
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int32_t tree_nextsize;
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int32_t tree_next[];
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} ompi_coll_tree_t;
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ompi_coll_tree_t*
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ompi_coll_base_topo_build_tree( int fanout,
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struct ompi_communicator_t* com,
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int root );
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ompi_coll_tree_t*
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ompi_coll_base_topo_build_in_order_bintree( struct ompi_communicator_t* comm );
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ompi_coll_tree_t*
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ompi_coll_base_topo_build_bmtree( struct ompi_communicator_t* comm,
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int root );
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ompi_coll_tree_t*
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ompi_coll_base_topo_build_in_order_bmtree( struct ompi_communicator_t* comm,
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int root );
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ompi_coll_tree_t*
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ompi_coll_base_topo_build_kmtree(struct ompi_communicator_t* comm,
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int root, int radix);
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ompi_coll_tree_t*
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ompi_coll_base_topo_build_chain( int fanout,
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struct ompi_communicator_t* com,
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int root );
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int ompi_coll_base_topo_destroy_tree( ompi_coll_tree_t** tree );
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/* debugging stuff, will be removed later */
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int ompi_coll_base_topo_dump_tree (ompi_coll_tree_t* tree, int rank);
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END_C_DECLS
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#endif /* MCA_COLL_BASE_TOPO_H_HAS_BEEN_INCLUDED */
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