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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) 2008-2009 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <string.h>
#include "mpi.h"
#include "ompi/constants.h"
#include "coll_sync.h"
/*
* Public string showing the coll ompi_sync component version number
*/
const char *mca_coll_sync_component_version_string =
"Open MPI sync collective MCA component version " OMPI_VERSION;
/*
* Local function
*/
static int sync_register(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
mca_coll_sync_component_t mca_coll_sync_component = {
{
/* First, the mca_component_t struct containing meta information
* about the component itself */
{
MCA_COLL_BASE_VERSION_2_0_0,
/* Component name and version */
"sync",
OMPI_MAJOR_VERSION,
OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION,
/* Component open and close functions */
NULL,
NULL,
NULL,
sync_register
},
{
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
/* Initialization / querying functions */
mca_coll_sync_init_query,
mca_coll_sync_comm_query
},
/* Sync-specific component information */
/* Priority: use a low priority, but allow others to be lower */
50,
/* Do a sync *before* each Nth collective */
1000,
/* Do a sync *after* each Nth collective */
0,
};
static int sync_register(void)
{
int val;
val = mca_coll_sync_component.priority;
mca_base_param_reg_int(&mca_coll_sync_component.super.collm_version,
"priority",
"Priority of the sync coll component; only relevant if barrier_before or barrier_after is > 0",
false, false, val, &val);
mca_coll_sync_component.priority = val;
mca_base_param_reg_int(&mca_coll_sync_component.super.collm_version,
"barrier_before",
"Do a synchronization before each Nth collective",
false, false,
mca_coll_sync_component.barrier_before_nops,
&mca_coll_sync_component.barrier_before_nops);
mca_base_param_reg_int(&mca_coll_sync_component.super.collm_version,
"barrier_after",
"Do a synchronization after each Nth collective",
false, false,
mca_coll_sync_component.barrier_after_nops,
&mca_coll_sync_component.barrier_after_nops);
return OMPI_SUCCESS;
}
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