93 строки
2.8 KiB
C
93 строки
2.8 KiB
C
/*
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* Copyright (c) 2014 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) 2014-2015 NVIDIA Corporation. 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_cuda.h"
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/*
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* Public string showing the coll ompi_cuda component version number
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*/
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const char *mca_coll_cuda_component_version_string =
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"Open MPI cuda 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 cuda_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_cuda_component_t mca_coll_cuda_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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"cuda",
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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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cuda_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_cuda_init_query,
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mca_coll_cuda_comm_query
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},
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/* cuda-specific component information */
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/* Priority: make it above all point to point collectives including self */
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78,
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};
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static int cuda_register(void)
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{
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(void) mca_base_component_var_register(&mca_coll_cuda_component.super.collm_version,
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"priority", "Priority of the cuda coll component; only relevant if barrier_before or barrier_after is > 0",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_6,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_coll_cuda_component.priority);
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(void) mca_base_component_var_register(&mca_coll_cuda_component.super.collm_version,
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"disable_cuda_coll", "Automatically handle the CUDA buffers for the MPI collective.",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_2,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_coll_cuda_component.disable_cuda_coll);
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return OMPI_SUCCESS;
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}
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