149 строки
3.0 KiB
C
149 строки
3.0 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 <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_sm.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 module = {
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/* Initialization / finalization functions */
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mca_coll_sm_module_init,
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mca_coll_sm_module_finalize,
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/* Collective function pointers */
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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mca_coll_sm_barrier_intra,
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mca_coll_sm_bcast_intra,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL
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};
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int mca_coll_sm_param_priority = -1;
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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_sm_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_sm_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 we're intercomm, or if there's only one process in the
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communicator, we don't want to run */
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if (OMPI_COMM_IS_INTER(comm) || 1 == ompi_comm_size(comm)) {
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return NULL;
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}
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/* Get our priority */
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if (OMPI_SUCCESS !=
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mca_base_param_lookup_int(mca_coll_sm_param_priority,
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priority)) {
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return NULL;
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}
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/* We only want to run if all the processes in the communicator
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are on the same node */
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/* Can we get an mpool allocation? */
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/* JMS ... */
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#if 1
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return NULL;
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#else
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return &module;
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#endif
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}
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/*
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* Unquery the coll on comm
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*/
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int mca_coll_sm_comm_unquery(struct ompi_communicator_t *comm,
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struct mca_coll_base_comm_t *data)
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{
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/* JMS */
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/* Remove mpool query, if we got one */
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return OMPI_SUCCESS;
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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_sm_module_init(struct ompi_communicator_t *comm)
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{
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/* JMS */
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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_sm_module_finalize(struct ompi_communicator_t *comm)
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{
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/* JMS */
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return OMPI_SUCCESS;
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}
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