118 строки
2.9 KiB
C
118 строки
2.9 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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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#include "ompi_config.h"
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#include "coll_self.h"
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#include <stdio.h>
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#include "mpi.h"
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#include "communicator/communicator.h"
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#include "mca/base/mca_base_param.h"
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#include "mca/coll/coll.h"
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#include "mca/coll/base/base.h"
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#include "coll_self.h"
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/*
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* Module
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*/
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static const mca_coll_base_module_1_0_0_t module = {
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/* Initialization / finalization functions */
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mca_coll_self_module_init,
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mca_coll_self_module_finalize,
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/* Collective function pointers */
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mca_coll_self_allgather_intra,
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mca_coll_self_allgatherv_intra,
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mca_coll_self_allreduce_intra,
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mca_coll_self_alltoall_intra,
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mca_coll_self_alltoallv_intra,
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mca_coll_self_alltoallw_intra,
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mca_coll_self_barrier_intra,
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mca_coll_self_bcast_intra,
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mca_coll_self_exscan_intra,
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mca_coll_self_gather_intra,
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mca_coll_self_gatherv_intra,
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mca_coll_self_reduce_intra,
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mca_coll_self_reduce_scatter_intra,
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mca_coll_self_scan_intra,
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mca_coll_self_scatter_intra,
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mca_coll_self_scatterv_intra
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};
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/*
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* Initial query function that is invoked during MPI_INIT, allowing
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* this module to indicate what level of thread support it provides.
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*/
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int mca_coll_self_init_query(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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/* Nothing to do */
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return OMPI_SUCCESS;
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}
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/*
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* Invoked when there's a new communicator that has been created.
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* Look at the communicator and decide which set of functions and
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* priority we want to return.
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*/
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const mca_coll_base_module_1_0_0_t *
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mca_coll_self_comm_query(struct ompi_communicator_t *comm, int *priority,
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struct mca_coll_base_comm_t **data)
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{
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/* We only work on intracommunicators of size 1 */
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if (!OMPI_COMM_IS_INTER(comm) && 1 == ompi_comm_size(comm)) {
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if (OMPI_SUCCESS !=
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mca_base_param_lookup_int(mca_coll_self_priority_param,
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priority)) {
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return NULL;
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}
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return &module;
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}
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return NULL;
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}
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/*
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* Init module on the communicator
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*/
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const struct mca_coll_base_module_1_0_0_t *
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mca_coll_self_module_init(struct ompi_communicator_t *comm)
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{
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/* Don't really need to do anything */
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return &module;
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}
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/*
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* Finalize module on the communicator
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*/
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int mca_coll_self_module_finalize(struct ompi_communicator_t *comm)
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{
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return OMPI_SUCCESS;
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}
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