105 строки
3.8 KiB
C
105 строки
3.8 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 (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include <string.h>
|
|
|
|
#include "opal/util/output.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 */
|
|
|
|
.collm_version = {
|
|
MCA_COLL_BASE_VERSION_2_0_0,
|
|
|
|
/* Component name and version */
|
|
.mca_component_name = "sync",
|
|
MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
|
|
OMPI_RELEASE_VERSION),
|
|
|
|
/* Component open and close functions */
|
|
.mca_register_component_params = sync_register
|
|
},
|
|
.collm_data = {
|
|
/* The component is checkpoint ready */
|
|
MCA_BASE_METADATA_PARAM_CHECKPOINT
|
|
},
|
|
|
|
/* Initialization / querying functions */
|
|
|
|
.collm_init_query = mca_coll_sync_init_query,
|
|
.collm_comm_query = mca_coll_sync_comm_query
|
|
},
|
|
};
|
|
|
|
|
|
static int sync_register(void)
|
|
{
|
|
mca_base_component_t *c = &mca_coll_sync_component.super.collm_version;
|
|
|
|
mca_coll_sync_component.priority = 50;
|
|
(void) mca_base_component_var_register(c, "priority",
|
|
"Priority of the sync coll component; only relevant if barrier_before or barrier_after is > 0",
|
|
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
|
|
OPAL_INFO_LVL_9,
|
|
MCA_BASE_VAR_SCOPE_READONLY,
|
|
&mca_coll_sync_component.priority);
|
|
|
|
mca_coll_sync_component.barrier_before_nops = 0;
|
|
(void) mca_base_component_var_register(c, "barrier_before",
|
|
"Do a synchronization before each Nth collective",
|
|
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
|
|
OPAL_INFO_LVL_9,
|
|
MCA_BASE_VAR_SCOPE_READONLY,
|
|
&mca_coll_sync_component.barrier_before_nops);
|
|
|
|
mca_coll_sync_component.barrier_after_nops = 0;
|
|
(void) mca_base_component_var_register(c, "barrier_after",
|
|
"Do a synchronization after each Nth collective",
|
|
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
|
|
OPAL_INFO_LVL_9,
|
|
MCA_BASE_VAR_SCOPE_READONLY,
|
|
&mca_coll_sync_component.barrier_after_nops);
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|