145 строки
3.8 KiB
C
145 строки
3.8 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_demo.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/coll/coll.h"
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#include "mca/coll/base/base.h"
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#include "coll_demo.h"
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/*
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* Linear set of collective algorithms
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*/
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static const mca_coll_base_module_1_0_0_t intra = {
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/* Initialization / finalization functions */
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mca_coll_demo_module_init,
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mca_coll_demo_module_finalize,
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/* Collective function pointers */
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mca_coll_demo_allgather_intra,
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mca_coll_demo_allgatherv_intra,
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mca_coll_demo_allreduce_intra,
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mca_coll_demo_alltoall_intra,
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mca_coll_demo_alltoallv_intra,
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mca_coll_demo_alltoallw_intra,
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mca_coll_demo_barrier_intra,
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mca_coll_demo_bcast_intra,
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NULL, /* Leave exscan blank just to force basic to be used */
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mca_coll_demo_gather_intra,
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mca_coll_demo_gatherv_intra,
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mca_coll_demo_reduce_intra,
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mca_coll_demo_reduce_scatter_intra,
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mca_coll_demo_scan_intra,
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mca_coll_demo_scatter_intra,
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mca_coll_demo_scatterv_intra
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};
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/*
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* Linear set of collective algorithms for intercommunicators
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*/
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static const mca_coll_base_module_1_0_0_t inter = {
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/* Initialization / finalization functions */
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mca_coll_demo_module_init,
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mca_coll_demo_module_finalize,
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/* Collective function pointers */
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mca_coll_demo_allgather_inter,
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mca_coll_demo_allgatherv_inter,
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mca_coll_demo_allreduce_inter,
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mca_coll_demo_alltoall_inter,
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mca_coll_demo_alltoallv_inter,
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mca_coll_demo_alltoallw_inter,
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mca_coll_demo_barrier_inter,
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mca_coll_demo_bcast_inter,
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mca_coll_demo_exscan_inter,
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mca_coll_demo_gather_inter,
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mca_coll_demo_gatherv_inter,
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mca_coll_demo_reduce_inter,
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mca_coll_demo_reduce_scatter_inter,
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NULL,
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mca_coll_demo_scatter_inter,
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mca_coll_demo_scatterv_inter
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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_demo_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_demo_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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if (OMPI_SUCCESS !=
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mca_base_param_lookup_int(mca_coll_demo_priority_param, priority)) {
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return NULL;
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}
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return OMPI_COMM_IS_INTER(comm) ? &inter : &intra;
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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_demo_module_init(struct ompi_communicator_t *comm)
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{
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mca_base_param_lookup_int(mca_coll_demo_verbose_param,
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&mca_coll_demo_verbose);
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if (mca_coll_demo_verbose > 0) {
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printf("Hello! This is the \"demo\" coll component. I'll be your coll component\ntoday. Please tip your waitresses well.\n");
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}
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return OMPI_COMM_IS_INTER(comm) ? &inter : &intra;
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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_demo_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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