157 строки
7.2 KiB
C
157 строки
7.2 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
|
|
/*
|
|
* Copyright (c) 2004-2015 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include "mpi.h"
|
|
#include "ompi/constants.h"
|
|
#include "ompi/datatype/ompi_datatype.h"
|
|
#include "ompi/communicator/communicator.h"
|
|
#include "ompi/mca/coll/coll.h"
|
|
#include "ompi/mca/coll/base/coll_tags.h"
|
|
#include "ompi/mca/pml/pml.h"
|
|
#include "coll_tuned.h"
|
|
#include "ompi/mca/coll/base/coll_base_topo.h"
|
|
#include "ompi/mca/coll/base/coll_base_util.h"
|
|
|
|
/* alltoallv algorithm variables */
|
|
static int coll_tuned_alltoallv_algorithm_count = 2;
|
|
static int coll_tuned_alltoallv_forced_algorithm = 0;
|
|
|
|
/* valid values for coll_tuned_alltoallv_forced_algorithm */
|
|
static mca_base_var_enum_value_t alltoallv_algorithms[] = {
|
|
{0, "ignore"},
|
|
{1, "basic_linear"},
|
|
{2, "pairwise"},
|
|
{0, NULL}
|
|
};
|
|
|
|
/*
|
|
* The following are used by dynamic and forced rules. Publish
|
|
* details of each algorithm and if its forced/fixed/locked in as you add
|
|
* methods/algorithms you must update this and the query/map routines.
|
|
* This routine is called by the component only. This makes sure that
|
|
* the mca parameters are set to their initial values and perms.
|
|
* Module does not call this. They call the forced_getvalues routine
|
|
* instead.
|
|
*/
|
|
int ompi_coll_tuned_alltoallv_intra_check_forced_init(coll_tuned_force_algorithm_mca_param_indices_t
|
|
*mca_param_indices)
|
|
{
|
|
mca_base_var_enum_t *new_enum;
|
|
int cnt;
|
|
|
|
for( cnt = 0; NULL != alltoallv_algorithms[cnt].string; cnt++ );
|
|
ompi_coll_tuned_forced_max_algorithms[ALLTOALLV] = cnt;
|
|
|
|
(void) mca_base_component_var_register(&mca_coll_tuned_component.super.collm_version,
|
|
"alltoallv_algorithm_count",
|
|
"Number of alltoallv algorithms available",
|
|
MCA_BASE_VAR_TYPE_INT, NULL, 0,
|
|
MCA_BASE_VAR_FLAG_DEFAULT_ONLY,
|
|
OPAL_INFO_LVL_5,
|
|
MCA_BASE_VAR_SCOPE_CONSTANT,
|
|
&cnt);
|
|
|
|
/* MPI_T: This variable should eventually be bound to a communicator */
|
|
coll_tuned_alltoallv_forced_algorithm = 0;
|
|
(void) mca_base_var_enum_create("coll_tuned_alltoallv_algorithms", alltoallv_algorithms, &new_enum);
|
|
mca_param_indices->algorithm_param_index =
|
|
mca_base_component_var_register(&mca_coll_tuned_component.super.collm_version,
|
|
"alltoallv_algorithm",
|
|
"Which alltoallv algorithm is used. "
|
|
"Can be locked down to choice of: 0 ignore, "
|
|
"1 basic linear, 2 pairwise.",
|
|
MCA_BASE_VAR_TYPE_INT, new_enum, 0, 0,
|
|
OPAL_INFO_LVL_5,
|
|
MCA_BASE_VAR_SCOPE_READONLY,
|
|
&coll_tuned_alltoallv_forced_algorithm);
|
|
OBJ_RELEASE(new_enum);
|
|
if (mca_param_indices->algorithm_param_index < 0) {
|
|
return mca_param_indices->algorithm_param_index;
|
|
}
|
|
|
|
return (MPI_SUCCESS);
|
|
}
|
|
|
|
|
|
|
|
int ompi_coll_tuned_alltoallv_intra_do_forced(void *sbuf, int *scounts, int *sdisps,
|
|
struct ompi_datatype_t *sdtype,
|
|
void* rbuf, int *rcounts, int *rdisps,
|
|
struct ompi_datatype_t *rdtype,
|
|
struct ompi_communicator_t *comm,
|
|
mca_coll_base_module_t *module)
|
|
{
|
|
mca_coll_tuned_module_t *tuned_module = (mca_coll_tuned_module_t*) module;
|
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,
|
|
"coll:tuned:alltoallv_intra_do_forced selected algorithm %d",
|
|
tuned_module->user_forced[ALLTOALLV].algorithm));
|
|
|
|
switch (tuned_module->user_forced[ALLTOALLV].algorithm) {
|
|
case (0):
|
|
return ompi_coll_tuned_alltoallv_intra_dec_fixed(sbuf, scounts, sdisps, sdtype,
|
|
rbuf, rcounts, rdisps, rdtype,
|
|
comm, module);
|
|
case (1):
|
|
return ompi_coll_base_alltoallv_intra_basic_linear(sbuf, scounts, sdisps, sdtype,
|
|
rbuf, rcounts, rdisps, rdtype,
|
|
comm, module);
|
|
case (2):
|
|
return ompi_coll_base_alltoallv_intra_pairwise(sbuf, scounts, sdisps, sdtype,
|
|
rbuf, rcounts, rdisps, rdtype,
|
|
comm, module);
|
|
} /* switch */
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,
|
|
"coll:tuned:alltoallv_intra_do_forced attempt to "
|
|
"select algorithm %d when only 0-%d is valid.",
|
|
tuned_module->user_forced[ALLTOALLV].algorithm,
|
|
ompi_coll_tuned_forced_max_algorithms[ALLTOALLV]));
|
|
return (MPI_ERR_ARG);
|
|
}
|
|
|
|
/* If the user selects dynamic rules and specifies the algorithm to
|
|
* use, then this function is called. */
|
|
int ompi_coll_tuned_alltoallv_intra_do_this(void *sbuf, int *scounts, int *sdisps,
|
|
struct ompi_datatype_t *sdtype,
|
|
void* rbuf, int *rcounts, int *rdisps,
|
|
struct ompi_datatype_t *rdtype,
|
|
struct ompi_communicator_t *comm,
|
|
mca_coll_base_module_t *module,
|
|
int algorithm)
|
|
{
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,
|
|
"coll:tuned:alltoallv_intra_do_this selected algorithm %d ",
|
|
algorithm));
|
|
|
|
switch (algorithm) {
|
|
case (0):
|
|
return ompi_coll_tuned_alltoallv_intra_dec_fixed(sbuf, scounts, sdisps, sdtype,
|
|
rbuf, rcounts, rdisps, rdtype,
|
|
comm, module);
|
|
case (1):
|
|
return ompi_coll_base_alltoallv_intra_basic_linear(sbuf, scounts, sdisps, sdtype,
|
|
rbuf, rcounts, rdisps, rdtype,
|
|
comm, module);
|
|
case (2):
|
|
return ompi_coll_base_alltoallv_intra_pairwise(sbuf, scounts, sdisps, sdtype,
|
|
rbuf, rcounts, rdisps, rdtype,
|
|
comm, module);
|
|
} /* switch */
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,
|
|
"coll:tuned:alltoall_intra_do_this attempt to select "
|
|
"algorithm %d when only 0-%d is valid.",
|
|
algorithm, ompi_coll_tuned_forced_max_algorithms[ALLTOALLV]));
|
|
return (MPI_ERR_ARG);
|
|
}
|