164 строки
4.0 KiB
C
164 строки
4.0 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 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include "coll_libnbc.h"
|
|
|
|
#include "mpi.h"
|
|
#include "ompi/mca/coll/coll.h"
|
|
|
|
|
|
/*
|
|
* Public string showing the coll ompi_libnbc component version number
|
|
*/
|
|
const char *mca_coll_libnbc_component_version_string =
|
|
"Open MPI libnbc collective MCA component version " OMPI_VERSION;
|
|
|
|
|
|
static int libnbc_priority = 10;
|
|
|
|
|
|
static int libnbc_register(void);
|
|
static int libnbc_init_query(bool, bool);
|
|
static mca_coll_base_module_t *libnbc_comm_query(struct ompi_communicator_t *, int *);
|
|
static int libnbc_module_enable(mca_coll_base_module_t *, struct ompi_communicator_t *);
|
|
|
|
|
|
/*
|
|
* Instantiate the public struct with all of our public information
|
|
* and pointers to our public functions in it
|
|
*/
|
|
|
|
const mca_coll_base_component_2_0_0_t mca_coll_libnbc_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 */
|
|
"libnbc",
|
|
OMPI_MAJOR_VERSION,
|
|
OMPI_MINOR_VERSION,
|
|
OMPI_RELEASE_VERSION,
|
|
|
|
/* Component open and close functions */
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
libnbc_register
|
|
},
|
|
{
|
|
/* The component is checkpoint ready */
|
|
MCA_BASE_METADATA_PARAM_CHECKPOINT
|
|
},
|
|
|
|
/* Initialization / querying functions */
|
|
|
|
libnbc_init_query,
|
|
libnbc_comm_query
|
|
};
|
|
|
|
|
|
static int
|
|
libnbc_register(void)
|
|
{
|
|
/* Use a low priority, but allow other components to be lower */
|
|
|
|
mca_base_param_reg_int(&mca_coll_libnbc_component.collm_version,
|
|
"priority",
|
|
"Priority of the libnbc coll component",
|
|
false, false, libnbc_priority,
|
|
&libnbc_priority);
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Initial query function that is invoked during MPI_INIT, allowing
|
|
* this component to disqualify itself if it doesn't support the
|
|
* required level of thread support.
|
|
*/
|
|
static int
|
|
libnbc_init_query(bool enable_progress_threads,
|
|
bool enable_mpi_threads)
|
|
{
|
|
/* Nothing to do */
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
|
|
/*
|
|
* Invoked when there's a new communicator that has been created.
|
|
* Look at the communicator and decide which set of functions and
|
|
* priority we want to return.
|
|
*/
|
|
mca_coll_base_module_t *
|
|
libnbc_comm_query(struct ompi_communicator_t *comm,
|
|
int *priority)
|
|
{
|
|
ompi_coll_libnbc_module_t *module;
|
|
|
|
module = OBJ_NEW(ompi_coll_libnbc_module_t);
|
|
if (NULL == module) return NULL;
|
|
|
|
*priority = libnbc_priority;
|
|
|
|
module->super.coll_module_enable = libnbc_module_enable;
|
|
|
|
module->super.coll_ibarrier = ompi_coll_libnbc_ibarrier;
|
|
|
|
module->super.ft_event = NULL;
|
|
|
|
return &(module->super);
|
|
}
|
|
|
|
|
|
/*
|
|
* Init module on the communicator
|
|
*/
|
|
static int
|
|
libnbc_module_enable(mca_coll_base_module_t *module,
|
|
struct ompi_communicator_t *comm)
|
|
{
|
|
/* All done */
|
|
return OMPI_SUCCESS;
|
|
}
|
|
|
|
|
|
static void
|
|
libnbc_module_construct(ompi_coll_libnbc_module_t *module)
|
|
{
|
|
}
|
|
|
|
static void
|
|
libnbc_module_destruct(ompi_coll_libnbc_module_t *module)
|
|
{
|
|
}
|
|
|
|
|
|
OBJ_CLASS_INSTANCE(ompi_coll_libnbc_module_t,
|
|
mca_coll_base_module_t,
|
|
libnbc_module_construct,
|
|
libnbc_module_destruct);
|