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