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openmpi/ompi/mca/coll/demo/coll_demo_component.c
Brian Barrett af4e86c25f Update collectives selection logic to allow for multiple components to be
used at nce (up to one unique collective module per collective function).
Matches r15795:15921 of the tmp/bwb-coll-select branch

This commit was SVN r15924.

The following SVN revisions from the original message are invalid or
inconsistent and therefore were not cross-referenced:
  r15795
  r15921
2007-08-19 03:37:49 +00:00

144 строки
4.1 KiB
C

/*
* 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object
* files, keeping these symbols as the only symbols in this file
* prevents utility programs such as "ompi_info" from having to import
* entire components just to query their version and parameters.
*/
#include "ompi_config.h"
#include "mpi.h"
#include "ompi/mca/coll/coll.h"
#include "coll_demo.h"
/*
* Public string showing the coll ompi_demo component version number
*/
const char *mca_coll_demo_component_version_string =
"OMPI/MPI demo collective MCA component version " OMPI_VERSION;
/*
* Global variable
*/
int mca_coll_demo_priority_param = -1;
int mca_coll_demo_verbose_param = -1;
int mca_coll_demo_verbose = 0;
/*
* Local function
*/
static int demo_open(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
const mca_coll_base_component_1_1_0_t mca_coll_demo_component = {
/* First, the mca_component_t struct containing meta information
about the component itself */
{
/* Indicate that we are a coll v1.0.0 component (which also
implies a specific MCA version) */
MCA_COLL_BASE_VERSION_1_1_0,
/* Component name and version */
"demo",
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
/* Component open and close functions */
demo_open,
NULL
},
/* Next the MCA v1.0.0 component meta data */
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
/* Initialization / querying functions */
mca_coll_demo_init_query,
mca_coll_demo_comm_query
};
static int demo_open(void)
{
mca_coll_demo_priority_param =
mca_base_param_register_int("coll", "demo", "priority", NULL, 20);
mca_coll_demo_verbose_param =
mca_base_param_register_int("coll", "demo", "verbose", NULL,
mca_coll_demo_verbose);
return OMPI_SUCCESS;
}
static void
mca_coll_demo_module_construct(mca_coll_demo_module_t *module)
{
memset(&module->underlying, 0, sizeof(mca_coll_base_comm_coll_t));
}
#define RELEASE(module, func) \
do { \
if (NULL != module->underlying.coll_ ## func ## _module) { \
OBJ_RELEASE(module->underlying.coll_ ## func ## _module); \
} \
} while (0)
static void
mca_coll_demo_module_destruct(mca_coll_demo_module_t *module)
{
RELEASE(module, allgather);
RELEASE(module, allgatherv);
RELEASE(module, allreduce);
RELEASE(module, alltoall);
RELEASE(module, alltoallv);
RELEASE(module, alltoallw);
RELEASE(module, barrier);
RELEASE(module, bcast);
RELEASE(module, exscan);
RELEASE(module, gather);
RELEASE(module, gatherv);
RELEASE(module, reduce);
RELEASE(module, reduce_scatter);
RELEASE(module, scan);
RELEASE(module, scatter);
RELEASE(module, scatterv);
}
OBJ_CLASS_INSTANCE(mca_coll_demo_module_t,
mca_coll_base_module_1_1_0_t,
mca_coll_demo_module_construct,
mca_coll_demo_module_destruct);