115 строки
3.5 KiB
C
115 строки
3.5 KiB
C
/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2008-2009 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <string.h>
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#include "mpi.h"
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#include "ompi/constants.h"
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#include "coll_sync.h"
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/*
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* Public string showing the coll ompi_sync component version number
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*/
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const char *mca_coll_sync_component_version_string =
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"Open MPI sync collective MCA component version " OMPI_VERSION;
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/*
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* Local function
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*/
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static int sync_register(void);
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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mca_coll_sync_component_t mca_coll_sync_component = {
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{
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/* First, the mca_component_t struct containing meta information
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* about the component itself */
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{
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MCA_COLL_BASE_VERSION_2_0_0,
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/* Component name and version */
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"sync",
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OMPI_MAJOR_VERSION,
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OMPI_MINOR_VERSION,
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OMPI_RELEASE_VERSION,
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/* Component open and close functions */
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NULL,
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NULL,
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NULL,
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sync_register
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},
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{
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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},
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/* Initialization / querying functions */
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mca_coll_sync_init_query,
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mca_coll_sync_comm_query
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},
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/* Sync-specific component information */
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/* Priority: use a low priority, but allow others to be lower */
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50,
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/* Do a sync *before* each Nth collective */
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1000,
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/* Do a sync *after* each Nth collective */
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0,
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};
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static int sync_register(void)
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{
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int val;
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val = mca_coll_sync_component.priority;
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mca_base_param_reg_int(&mca_coll_sync_component.super.collm_version,
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"priority",
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"Priority of the sync coll component; only relevant if barrier_before or barrier_after is > 0",
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false, false, val, &val);
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mca_coll_sync_component.priority = val;
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mca_base_param_reg_int(&mca_coll_sync_component.super.collm_version,
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"barrier_before",
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"Do a synchronization before each Nth collective",
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false, false,
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mca_coll_sync_component.barrier_before_nops,
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&mca_coll_sync_component.barrier_before_nops);
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mca_base_param_reg_int(&mca_coll_sync_component.super.collm_version,
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"barrier_after",
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"Do a synchronization after each Nth collective",
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false, false,
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mca_coll_sync_component.barrier_after_nops,
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&mca_coll_sync_component.barrier_after_nops);
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return OMPI_SUCCESS;
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}
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