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/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 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 (c) 2017 IBM Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "coll_self.h"
#include <stdio.h>
#include "mpi.h"
#include "ompi/communicator/communicator.h"
#include "ompi/mca/coll/coll.h"
#include "ompi/mca/coll/base/base.h"
#include "ompi/mca/coll/base/coll_base_functions.h"
#include "coll_self.h"
/*
* Initial query function that is invoked during MPI_INIT, allowing
* this module to indicate what level of thread support it provides.
*/
int mca_coll_self_init_query(bool enable_progress_threads,
bool enable_mpi_threads)
{
/* Nothing to do */
return OMPI_SUCCESS;
}
/*
* Invoked when there's a new communicator that has been created.
* Look at the communicator and decide which set of functions and
* priority we want to return.
*/
mca_coll_base_module_t *
mca_coll_self_comm_query(struct ompi_communicator_t *comm,
int *priority)
{
mca_coll_self_module_t *module;
/* We only work on intracommunicators of size 1 */
if (!OMPI_COMM_IS_INTER(comm) && 1 == ompi_comm_size(comm)) {
*priority = ompi_coll_self_priority;
module = OBJ_NEW(mca_coll_self_module_t);
if (NULL == module) return NULL;
module->super.coll_module_enable = mca_coll_self_module_enable;
module->super.coll_allgather = mca_coll_self_allgather_intra;
module->super.coll_allgatherv = mca_coll_self_allgatherv_intra;
module->super.coll_allreduce = mca_coll_self_allreduce_intra;
module->super.coll_alltoall = mca_coll_self_alltoall_intra;
module->super.coll_alltoallv = mca_coll_self_alltoallv_intra;
module->super.coll_alltoallw = mca_coll_self_alltoallw_intra;
module->super.coll_barrier = mca_coll_self_barrier_intra;
module->super.coll_bcast = mca_coll_self_bcast_intra;
module->super.coll_exscan = mca_coll_self_exscan_intra;
module->super.coll_gather = mca_coll_self_gather_intra;
module->super.coll_gatherv = mca_coll_self_gatherv_intra;
module->super.coll_reduce = mca_coll_self_reduce_intra;
module->super.coll_reduce_scatter = mca_coll_self_reduce_scatter_intra;
module->super.coll_scan = mca_coll_self_scan_intra;
module->super.coll_scatter = mca_coll_self_scatter_intra;
module->super.coll_scatterv = mca_coll_self_scatterv_intra;
module->super.coll_reduce_local = mca_coll_base_reduce_local;
return &(module->super);
}
return NULL;
}
/*
* Init module on the communicator
*/
int
mca_coll_self_module_enable(mca_coll_base_module_t *module,
struct ompi_communicator_t *comm)
{
return OMPI_SUCCESS;
}
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