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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2014 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2014-2015 NVIDIA Corporation. All rights reserved.
* Copyright (c) 2015 Los Alamos National Security, LLC. 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_cuda.h"
/*
* Public string showing the coll ompi_cuda component version number
*/
const char *mca_coll_cuda_component_version_string =
"Open MPI cuda collective MCA component version " OMPI_VERSION;
/*
* Local function
*/
static int cuda_register(void);
/*
* Instantiate the public struct with all of our public information
* and pointers to our public functions in it
*/
mca_coll_cuda_component_t mca_coll_cuda_component = {
{
/* First, the mca_component_t struct containing meta information
* about the component itself */
.collm_version = {
MCA_COLL_BASE_VERSION_2_4_0,
/* Component name and version */
.mca_component_name = "cuda",
MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
OMPI_RELEASE_VERSION),
/* Component open and close functions */
.mca_register_component_params = cuda_register,
},
.collm_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
/* Initialization / querying functions */
.collm_init_query = mca_coll_cuda_init_query,
.collm_comm_query = mca_coll_cuda_comm_query,
},
/* cuda-specific component information */
/* Priority: make it above all point to point collectives including self */
.priority = 78,
};
static int cuda_register(void)
{
(void) mca_base_component_var_register(&mca_coll_cuda_component.super.collm_version,
"priority", "Priority of the cuda coll component; only relevant if barrier_before or barrier_after is > 0",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_6,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_coll_cuda_component.priority);
(void) mca_base_component_var_register(&mca_coll_cuda_component.super.collm_version,
"disable_cuda_coll", "Automatically handle the CUDA buffers for the MPI collective.",
MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
OPAL_INFO_LVL_2,
MCA_BASE_VAR_SCOPE_READONLY,
&mca_coll_cuda_component.disable_cuda_coll);
return OMPI_SUCCESS;
}
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