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openmpi/ompi/mca/coll/base/coll_base_open.c
Brian Barrett b9e8e4aeb9 * Initial merge of the non-blocking collectives interface. No implementation of
the back-end yet, coming real soon now, need to solve some tag issues first.

This commit was SVN r26641.
2012-06-22 20:54:12 +00:00

128 строки
3.5 KiB
C

/*
* Copyright (c) 2004-2005 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/constants.h"
#include "opal/mca/mca.h"
#include "opal/util/output.h"
#include "opal/mca/base/base.h"
#include "opal/mca/base/mca_base_param.h"
#include "ompi/mca/coll/coll.h"
#include "ompi/mca/coll/base/base.h"
/*
* The following file was created by configure. It contains extern
* statements and the definition of an array of pointers to each
* component's public mca_base_component_t struct.
*/
#include "ompi/mca/coll/base/static-components.h"
/*
* Global variables; most of which are loaded by back-ends of MCA
* variables
*/
int mca_coll_base_output = -1;
int mca_coll_base_crossover = 4;
int mca_coll_base_associative = 1;
bool mca_coll_base_components_opened_valid = false;
opal_list_t mca_coll_base_components_opened;
/*
* Ensure all function pointers are NULL'ed out to start with
*/
static void coll_base_module_construct(mca_coll_base_module_t *m)
{
m->coll_module_enable = NULL;
/* Collective function pointers */
/* blocking functions */
m->coll_allgather = NULL;
m->coll_allgatherv = NULL;
m->coll_allreduce = NULL;
m->coll_alltoall = NULL;
m->coll_alltoallv = NULL;
m->coll_alltoallw = NULL;
m->coll_barrier = NULL;
m->coll_bcast = NULL;
m->coll_exscan = NULL;
m->coll_gather = NULL;
m->coll_gatherv = NULL;
m->coll_reduce = NULL;
m->coll_reduce_scatter = NULL;
m->coll_scan = NULL;
m->coll_scatter = NULL;
m->coll_scatterv = NULL;
/* nonblocking functions */
m->coll_iallgather = NULL;
m->coll_iallgatherv = NULL;
m->coll_iallreduce = NULL;
m->coll_ialltoall = NULL;
m->coll_ialltoallv = NULL;
m->coll_ialltoallw = NULL;
m->coll_ibarrier = NULL;
m->coll_ibcast = NULL;
m->coll_iexscan = NULL;
m->coll_igather = NULL;
m->coll_igatherv = NULL;
m->coll_ireduce = NULL;
m->coll_ireduce_scatter = NULL;
m->coll_iscan = NULL;
m->coll_iscatter = NULL;
m->coll_iscatterv = NULL;
/* FT event */
m->ft_event = NULL;
}
OBJ_CLASS_INSTANCE(mca_coll_base_module_t, opal_object_t,
coll_base_module_construct, NULL);
/*
* Function for finding and opening either all MCA components, or the one
* that was specifically requested via a MCA parameter.
*/
int mca_coll_base_open(void)
{
/* Open an output stream for this framework */
mca_coll_base_output = opal_output_open(NULL);
/* Open up all available components */
if (OMPI_SUCCESS !=
mca_base_components_open("coll", mca_coll_base_output,
mca_coll_base_static_components,
&mca_coll_base_components_opened, true)) {
return OMPI_ERROR;
}
mca_coll_base_components_opened_valid = true;
/* All done */
return OMPI_SUCCESS;
}