f670364d76
The total size depends on number of ranks so the usual ranges don't work. Thus, use the average across all ranks to make a decision. Signed-off-by: Joseph Schuchart <schuchart@icl.utk.edu>
755 строки
36 KiB
C
755 строки
36 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2020 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) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
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* Copyright (c) 2015-2018 Research Organization for Information Science
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* and Technology (RIST). All rights reserved.
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* Copyright (c) 2020 Amazon.com, Inc. or its affiliates.
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* 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/base/base.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 "coll_tuned.h"
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/*
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* Notes on evaluation rules and ordering
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*
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* The order is:
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* use file based rules if presented (-coll_tuned_dynamic_rules_filename = rules)
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* Else
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* use forced rules (-coll_tuned_dynamic_ALG_intra_algorithm = algorithm-number)
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* Else
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* use fixed (compiled) rule set (or nested ifs)
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*
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*/
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/*
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* allreduce_intra
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*
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* Function: - allreduce using other MPI collectives
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* Accepts: - same as MPI_Allreduce()
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* Returns: - MPI_SUCCESS or error code
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*/
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int
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ompi_coll_tuned_allreduce_intra_dec_dynamic (const void *sbuf, void *rbuf, int count,
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struct ompi_datatype_t *dtype,
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struct ompi_op_t *op,
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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, "ompi_coll_tuned_allreduce_intra_dec_dynamic"));
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/* check to see if we have some filebased rules */
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if (tuned_module->com_rules[ALLREDUCE]) {
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/* we do, so calc the message size or what ever we need and use this for the evaluation */
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int alg, faninout, segsize, ignoreme;
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size_t dsize;
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ompi_datatype_type_size (dtype, &dsize);
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dsize *= count;
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alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[ALLREDUCE],
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dsize, &faninout, &segsize, &ignoreme);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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return ompi_coll_tuned_allreduce_intra_do_this (sbuf, rbuf, count, dtype, op,
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comm, module,
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alg, faninout, segsize);
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} /* found a method */
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} /*end if any com rules to check */
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if (tuned_module->user_forced[ALLREDUCE].algorithm) {
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return ompi_coll_tuned_allreduce_intra_do_this(sbuf, rbuf, count, dtype, op, comm, module,
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tuned_module->user_forced[ALLREDUCE].algorithm,
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tuned_module->user_forced[ALLREDUCE].tree_fanout,
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tuned_module->user_forced[ALLREDUCE].segsize);
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}
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return ompi_coll_tuned_allreduce_intra_dec_fixed (sbuf, rbuf, count, dtype, op,
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comm, module);
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}
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/*
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* alltoall_intra_dec
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*
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* Function: - seletects alltoall algorithm to use
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* Accepts: - same arguments as MPI_Alltoall()
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* Returns: - MPI_SUCCESS or error code (passed from the alltoall implementation)
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*/
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int ompi_coll_tuned_alltoall_intra_dec_dynamic(const void *sbuf, int scount,
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struct ompi_datatype_t *sdtype,
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void* rbuf, int rcount,
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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, "ompi_coll_tuned_alltoall_intra_dec_dynamic"));
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/* check to see if we have some filebased rules */
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if (tuned_module->com_rules[ALLTOALL]) {
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/* we do, so calc the message size or what ever we need and use this for the evaluation */
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int comsize;
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int alg, faninout, segsize, max_requests;
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size_t dsize;
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ompi_datatype_type_size (sdtype, &dsize);
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comsize = ompi_comm_size(comm);
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dsize *= (ptrdiff_t)comsize * (ptrdiff_t)scount;
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alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[ALLTOALL],
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dsize, &faninout, &segsize, &max_requests);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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return ompi_coll_tuned_alltoall_intra_do_this (sbuf, scount, sdtype,
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rbuf, rcount, rdtype,
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comm, module,
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alg, faninout, segsize, max_requests);
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} /* found a method */
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} /*end if any com rules to check */
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if (tuned_module->user_forced[ALLTOALL].algorithm) {
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return ompi_coll_tuned_alltoall_intra_do_this(sbuf, scount, sdtype,
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rbuf, rcount, rdtype,
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comm, module,
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tuned_module->user_forced[ALLTOALL].algorithm,
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tuned_module->user_forced[ALLTOALL].tree_fanout,
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tuned_module->user_forced[ALLTOALL].segsize,
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tuned_module->user_forced[ALLTOALL].max_requests);
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}
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return ompi_coll_tuned_alltoall_intra_dec_fixed (sbuf, scount, sdtype,
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rbuf, rcount, rdtype,
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comm, module);
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}
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/*
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* Function: - selects alltoallv algorithm to use
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* Accepts: - same arguments as MPI_Alltoallv()
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* Returns: - MPI_SUCCESS or error code
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*/
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int ompi_coll_tuned_alltoallv_intra_dec_dynamic(const void *sbuf, const int *scounts, const int *sdisps,
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struct ompi_datatype_t *sdtype,
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void* rbuf, const int *rcounts, const 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, "ompi_coll_tuned_alltoallv_intra_dec_dynamic"));
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/**
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* check to see if we have some filebased rules. As we don't have global
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* knowledge about the total amount of data, use the first available rule.
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* This allow the users to specify the alltoallv algorithm to be used only
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* based on the communicator size.
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*/
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if (tuned_module->com_rules[ALLTOALLV]) {
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int alg, faninout, segsize, max_requests;
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alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[ALLTOALLV],
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0, &faninout, &segsize, &max_requests);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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return ompi_coll_tuned_alltoallv_intra_do_this (sbuf, scounts, sdisps, sdtype,
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rbuf, rcounts, rdisps, rdtype,
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comm, module,
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alg);
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} /* found a method */
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} /*end if any com rules to check */
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if (tuned_module->user_forced[ALLTOALLV].algorithm) {
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return ompi_coll_tuned_alltoallv_intra_do_this(sbuf, scounts, sdisps, sdtype,
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rbuf, rcounts, rdisps, rdtype,
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comm, module,
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tuned_module->user_forced[ALLTOALLV].algorithm);
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}
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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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}
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/*
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* barrier_intra_dec
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*
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* Function: - seletects barrier algorithm to use
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* Accepts: - same arguments as MPI_Barrier()
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* Returns: - MPI_SUCCESS or error code (passed from the barrier implementation)
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*/
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int ompi_coll_tuned_barrier_intra_dec_dynamic(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,"ompi_coll_tuned_barrier_intra_dec_dynamic"));
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/* check to see if we have some filebased rules */
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if (tuned_module->com_rules[BARRIER]) {
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/* we do, so calc the message size or what ever we need and use this for the evaluation */
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int alg, faninout, segsize, ignoreme;
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alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[BARRIER],
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0, &faninout, &segsize, &ignoreme);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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return ompi_coll_tuned_barrier_intra_do_this (comm, module,
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alg, faninout, segsize);
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} /* found a method */
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} /*end if any com rules to check */
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if (tuned_module->user_forced[BARRIER].algorithm) {
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return ompi_coll_tuned_barrier_intra_do_this(comm, module,
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tuned_module->user_forced[BARRIER].algorithm,
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tuned_module->user_forced[BARRIER].tree_fanout,
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tuned_module->user_forced[BARRIER].segsize);
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}
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return ompi_coll_tuned_barrier_intra_dec_fixed (comm, module);
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}
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/*
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* bcast_intra_dec
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*
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* Function: - selects broadcast algorithm to use
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* Accepts: - same arguments as MPI_Bcast()
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* Returns: - MPI_SUCCESS or error code (passed from the bcast implementation)
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*/
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int ompi_coll_tuned_bcast_intra_dec_dynamic(void *buf, int count,
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struct ompi_datatype_t *dtype, int root,
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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, "coll:tuned:bcast_intra_dec_dynamic"));
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/* check to see if we have some filebased rules */
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if (tuned_module->com_rules[BCAST]) {
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/* we do, so calc the message size or what ever we need and use this for the evaluation */
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int alg, faninout, segsize, ignoreme;
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size_t dsize;
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ompi_datatype_type_size (dtype, &dsize);
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dsize *= count;
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alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[BCAST],
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dsize, &faninout, &segsize, &ignoreme);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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return ompi_coll_tuned_bcast_intra_do_this (buf, count, dtype, root,
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comm, module,
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alg, faninout, segsize);
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} /* found a method */
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} /*end if any com rules to check */
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if (tuned_module->user_forced[BCAST].algorithm) {
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return ompi_coll_tuned_bcast_intra_do_this(buf, count, dtype,
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root, comm, module,
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tuned_module->user_forced[BCAST].algorithm,
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tuned_module->user_forced[BCAST].chain_fanout,
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tuned_module->user_forced[BCAST].segsize);
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}
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return ompi_coll_tuned_bcast_intra_dec_fixed (buf, count, dtype, root,
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comm, module);
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}
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/*
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* reduce_intra_dec
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*
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* Function: - seletects reduce algorithm to use
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* Accepts: - same arguments as MPI_reduce()
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* Returns: - MPI_SUCCESS or error code (passed from the reduce implementation)
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*
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*/
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int ompi_coll_tuned_reduce_intra_dec_dynamic( const void *sbuf, void *rbuf,
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int count, struct ompi_datatype_t* dtype,
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struct ompi_op_t* op, int root,
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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, "coll:tuned:reduce_intra_dec_dynamic"));
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/* check to see if we have some filebased rules */
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if (tuned_module->com_rules[REDUCE]) {
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/* we do, so calc the message size or what ever we need and use this for the evaluation */
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int alg, faninout, segsize, max_requests;
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size_t dsize;
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ompi_datatype_type_size(dtype, &dsize);
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dsize *= count;
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alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[REDUCE],
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dsize, &faninout, &segsize, &max_requests);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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return ompi_coll_tuned_reduce_intra_do_this (sbuf, rbuf, count, dtype,
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op, root, comm, module,
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alg, faninout,
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segsize, max_requests);
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} /* found a method */
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} /*end if any com rules to check */
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if (tuned_module->user_forced[REDUCE].algorithm) {
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return ompi_coll_tuned_reduce_intra_do_this(sbuf, rbuf, count, dtype,
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op, root, comm, module,
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tuned_module->user_forced[REDUCE].algorithm,
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tuned_module->user_forced[REDUCE].chain_fanout,
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tuned_module->user_forced[REDUCE].segsize,
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tuned_module->user_forced[REDUCE].max_requests);
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}
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return ompi_coll_tuned_reduce_intra_dec_fixed (sbuf, rbuf, count, dtype,
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op, root, comm, module);
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}
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/*
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* reduce_scatter_intra_dec
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*
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* Function: - seletects reduce_scatter algorithm to use
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* Accepts: - same arguments as MPI_Reduce_scatter()
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* Returns: - MPI_SUCCESS or error code (passed from
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* the reduce_scatter implementation)
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*
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*/
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int ompi_coll_tuned_reduce_scatter_intra_dec_dynamic(const void *sbuf, void *rbuf,
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const int *rcounts,
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struct ompi_datatype_t *dtype,
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struct ompi_op_t *op,
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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, "coll:tuned:reduce_scatter_intra_dec_dynamic"));
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/* check to see if we have some filebased rules */
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if (tuned_module->com_rules[REDUCESCATTER]) {
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/* we do, so calc the message size or what ever we need and use
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this for the evaluation */
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int alg, faninout, segsize, ignoreme, i, count, size;
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size_t dsize;
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size = ompi_comm_size(comm);
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for (i = 0, count = 0; i < size; i++) { count += rcounts[i];}
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ompi_datatype_type_size (dtype, &dsize);
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dsize *= count;
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alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[REDUCESCATTER],
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dsize, &faninout,
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&segsize, &ignoreme);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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return ompi_coll_tuned_reduce_scatter_intra_do_this (sbuf, rbuf, rcounts, dtype,
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op, comm, module,
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alg, faninout, segsize);
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} /* found a method */
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} /*end if any com rules to check */
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if (tuned_module->user_forced[REDUCESCATTER].algorithm) {
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return ompi_coll_tuned_reduce_scatter_intra_do_this(sbuf, rbuf, rcounts, dtype,
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op, comm, module,
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tuned_module->user_forced[REDUCESCATTER].algorithm,
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tuned_module->user_forced[REDUCESCATTER].chain_fanout,
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tuned_module->user_forced[REDUCESCATTER].segsize);
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}
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return ompi_coll_tuned_reduce_scatter_intra_dec_fixed (sbuf, rbuf, rcounts,
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dtype, op, comm, module);
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}
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/*
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* reduce_scatter_block_intra_dec
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*
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* Function: - seletects reduce_scatter_block algorithm to use
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* Accepts: - same arguments as MPI_Reduce_scatter_block()
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* Returns: - MPI_SUCCESS or error code (passed from
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* the reduce_scatter implementation)
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*
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*/
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int ompi_coll_tuned_reduce_scatter_block_intra_dec_dynamic(const void *sbuf, void *rbuf,
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int rcount,
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struct ompi_datatype_t *dtype,
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struct ompi_op_t *op,
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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, "coll:tuned:reduce_scatter_block_intra_dec_dynamic"));
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/* check to see if we have some filebased rules */
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if (tuned_module->com_rules[REDUCESCATTERBLOCK]) {
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/* we do, so calc the message size or what ever we need and use
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this for the evaluation */
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int alg, faninout, segsize, ignoreme, size;
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size_t dsize;
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size = ompi_comm_size(comm);
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ompi_datatype_type_size (dtype, &dsize);
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dsize *= rcount * size;
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alg = ompi_coll_tuned_get_target_method_params(tuned_module->com_rules[REDUCESCATTERBLOCK],
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dsize, &faninout,
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&segsize, &ignoreme);
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if (alg) {
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/* we have found a valid choice from the file based rules for this message size */
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|
return ompi_coll_tuned_reduce_scatter_block_intra_do_this (sbuf, rbuf, rcount, dtype,
|
|
op, comm, module,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /* end if any com rules to check */
|
|
|
|
if (tuned_module->user_forced[REDUCESCATTERBLOCK].algorithm) {
|
|
return ompi_coll_tuned_reduce_scatter_block_intra_do_this(sbuf, rbuf, rcount, dtype,
|
|
op, comm, module,
|
|
tuned_module->user_forced[REDUCESCATTERBLOCK].algorithm,
|
|
tuned_module->user_forced[REDUCESCATTERBLOCK].chain_fanout,
|
|
tuned_module->user_forced[REDUCESCATTERBLOCK].segsize);
|
|
}
|
|
return ompi_coll_tuned_reduce_scatter_block_intra_dec_fixed (sbuf, rbuf, rcount,
|
|
dtype, op, comm, module);
|
|
}
|
|
|
|
/*
|
|
* allgather_intra_dec
|
|
*
|
|
* Function: - seletects allgather algorithm to use
|
|
* Accepts: - same arguments as MPI_Allgather()
|
|
* Returns: - MPI_SUCCESS or error code (passed from the selected
|
|
* allgather function).
|
|
*/
|
|
|
|
int ompi_coll_tuned_allgather_intra_dec_dynamic(const void *sbuf, int scount,
|
|
struct ompi_datatype_t *sdtype,
|
|
void* rbuf, int rcount,
|
|
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,
|
|
"ompi_coll_tuned_allgather_intra_dec_dynamic"));
|
|
|
|
if (tuned_module->com_rules[ALLGATHER]) {
|
|
/* We have file based rules:
|
|
- calculate message size and other necessary information */
|
|
int comsize;
|
|
int alg, faninout, segsize, ignoreme;
|
|
size_t dsize;
|
|
|
|
ompi_datatype_type_size (sdtype, &dsize);
|
|
comsize = ompi_comm_size(comm);
|
|
dsize *= (ptrdiff_t)comsize * (ptrdiff_t)scount;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[ALLGATHER],
|
|
dsize, &faninout, &segsize, &ignoreme);
|
|
if (alg) {
|
|
/* we have found a valid choice from the file based rules for
|
|
this message size */
|
|
return ompi_coll_tuned_allgather_intra_do_this (sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
comm, module,
|
|
alg, faninout, segsize);
|
|
}
|
|
}
|
|
|
|
/* We do not have file based rules */
|
|
if (tuned_module->user_forced[ALLGATHER].algorithm) {
|
|
/* User-forced algorithm */
|
|
return ompi_coll_tuned_allgather_intra_do_this(sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
comm, module,
|
|
tuned_module->user_forced[ALLGATHER].algorithm,
|
|
tuned_module->user_forced[ALLGATHER].tree_fanout,
|
|
tuned_module->user_forced[ALLGATHER].segsize);
|
|
}
|
|
|
|
/* Use default decision */
|
|
return ompi_coll_tuned_allgather_intra_dec_fixed (sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
comm, module);
|
|
}
|
|
|
|
/*
|
|
* allgatherv_intra_dec
|
|
*
|
|
* Function: - seletects allgatherv algorithm to use
|
|
* Accepts: - same arguments as MPI_Allgatherv()
|
|
* Returns: - MPI_SUCCESS or error code (passed from the selected
|
|
* allgatherv function).
|
|
*/
|
|
|
|
int ompi_coll_tuned_allgatherv_intra_dec_dynamic(const void *sbuf, int scount,
|
|
struct ompi_datatype_t *sdtype,
|
|
void* rbuf, const int *rcounts,
|
|
const int *rdispls,
|
|
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,
|
|
"ompi_coll_tuned_allgatherv_intra_dec_dynamic"));
|
|
|
|
if (tuned_module->com_rules[ALLGATHERV]) {
|
|
/* We have file based rules:
|
|
- calculate message size and other necessary information */
|
|
int comsize, i;
|
|
int alg, faninout, segsize, ignoreme;
|
|
size_t dsize, total_size, per_rank_size;
|
|
|
|
comsize = ompi_comm_size(comm);
|
|
ompi_datatype_type_size (sdtype, &dsize);
|
|
total_size = 0;
|
|
for (i = 0; i < comsize; i++) { total_size += dsize * rcounts[i]; }
|
|
|
|
per_rank_size = total_size / comsize;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[ALLGATHERV],
|
|
per_rank_size, &faninout, &segsize, &ignoreme);
|
|
if (alg) {
|
|
/* we have found a valid choice from the file based rules for
|
|
this message size */
|
|
return ompi_coll_tuned_allgatherv_intra_do_this (sbuf, scount, sdtype,
|
|
rbuf, rcounts,
|
|
rdispls, rdtype,
|
|
comm, module,
|
|
alg, faninout, segsize);
|
|
}
|
|
}
|
|
|
|
/* We do not have file based rules */
|
|
if (tuned_module->user_forced[ALLGATHERV].algorithm) {
|
|
/* User-forced algorithm */
|
|
return ompi_coll_tuned_allgatherv_intra_do_this(sbuf, scount, sdtype,
|
|
rbuf, rcounts, rdispls, rdtype,
|
|
comm, module,
|
|
tuned_module->user_forced[ALLGATHERV].algorithm,
|
|
tuned_module->user_forced[ALLGATHERV].tree_fanout,
|
|
tuned_module->user_forced[ALLGATHERV].segsize);
|
|
}
|
|
|
|
/* Use default decision */
|
|
return ompi_coll_tuned_allgatherv_intra_dec_fixed (sbuf, scount, sdtype,
|
|
rbuf, rcounts,
|
|
rdispls, rdtype,
|
|
comm, module);
|
|
}
|
|
|
|
int ompi_coll_tuned_gather_intra_dec_dynamic(const void *sbuf, int scount,
|
|
struct ompi_datatype_t *sdtype,
|
|
void* rbuf, int rcount,
|
|
struct ompi_datatype_t *rdtype,
|
|
int root,
|
|
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,
|
|
"ompi_coll_tuned_gather_intra_dec_dynamic"));
|
|
|
|
/**
|
|
* check to see if we have some filebased rules.
|
|
*/
|
|
if (tuned_module->com_rules[GATHER]) {
|
|
int comsize, alg, faninout, segsize, max_requests;
|
|
size_t dsize;
|
|
|
|
comsize = ompi_comm_size(comm);
|
|
ompi_datatype_type_size (sdtype, &dsize);
|
|
dsize *= scount * comsize;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[GATHER],
|
|
dsize, &faninout, &segsize, &max_requests);
|
|
|
|
if (alg) {
|
|
/* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_gather_intra_do_this (sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
root, comm, module,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
if (tuned_module->user_forced[GATHER].algorithm) {
|
|
return ompi_coll_tuned_gather_intra_do_this(sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
root, comm, module,
|
|
tuned_module->user_forced[GATHER].algorithm,
|
|
tuned_module->user_forced[GATHER].tree_fanout,
|
|
tuned_module->user_forced[GATHER].segsize);
|
|
}
|
|
|
|
return ompi_coll_tuned_gather_intra_dec_fixed (sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
root, comm, module);
|
|
}
|
|
|
|
int ompi_coll_tuned_scatter_intra_dec_dynamic(const void *sbuf, int scount,
|
|
struct ompi_datatype_t *sdtype,
|
|
void* rbuf, int rcount,
|
|
struct ompi_datatype_t *rdtype,
|
|
int root, 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,
|
|
"ompi_coll_tuned_scatter_intra_dec_dynamic"));
|
|
|
|
/**
|
|
* check to see if we have some filebased rules.
|
|
*/
|
|
if (tuned_module->com_rules[SCATTER]) {
|
|
int comsize, alg, faninout, segsize, max_requests;
|
|
size_t dsize;
|
|
|
|
comsize = ompi_comm_size(comm);
|
|
ompi_datatype_type_size (sdtype, &dsize);
|
|
dsize *= scount * comsize;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[SCATTER],
|
|
dsize, &faninout, &segsize, &max_requests);
|
|
|
|
if (alg) {
|
|
/* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_scatter_intra_do_this (sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
root, comm, module,
|
|
alg, faninout, segsize);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
if (tuned_module->user_forced[SCATTER].algorithm) {
|
|
return ompi_coll_tuned_scatter_intra_do_this(sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
root, comm, module,
|
|
tuned_module->user_forced[SCATTER].algorithm,
|
|
tuned_module->user_forced[SCATTER].chain_fanout,
|
|
tuned_module->user_forced[SCATTER].segsize);
|
|
}
|
|
|
|
return ompi_coll_tuned_scatter_intra_dec_fixed (sbuf, scount, sdtype,
|
|
rbuf, rcount, rdtype,
|
|
root, comm, module);
|
|
}
|
|
|
|
int ompi_coll_tuned_exscan_intra_dec_dynamic(const void *sbuf, void* rbuf, int count,
|
|
struct ompi_datatype_t *dtype,
|
|
struct ompi_op_t *op,
|
|
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,
|
|
"ompi_coll_tuned_exscan_intra_dec_dynamic"));
|
|
|
|
/**
|
|
* check to see if we have some filebased rules.
|
|
*/
|
|
if (tuned_module->com_rules[EXSCAN]) {
|
|
int comsize, alg, faninout, segsize, max_requests;
|
|
size_t dsize;
|
|
|
|
comsize = ompi_comm_size(comm);
|
|
ompi_datatype_type_size (dtype, &dsize);
|
|
dsize *= comsize;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[EXSCAN],
|
|
dsize, &faninout, &segsize, &max_requests);
|
|
|
|
if (alg) {
|
|
/* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_exscan_intra_do_this (sbuf, rbuf, count, dtype,
|
|
op, comm, module,
|
|
alg);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
if (tuned_module->user_forced[EXSCAN].algorithm) {
|
|
return ompi_coll_tuned_exscan_intra_do_this(sbuf, rbuf, count, dtype,
|
|
op, comm, module,
|
|
tuned_module->user_forced[EXSCAN].algorithm);
|
|
}
|
|
|
|
return ompi_coll_base_exscan_intra_linear(sbuf, rbuf, count, dtype,
|
|
op, comm, module);
|
|
}
|
|
|
|
int ompi_coll_tuned_scan_intra_dec_dynamic(const void *sbuf, void* rbuf, int count,
|
|
struct ompi_datatype_t *dtype,
|
|
struct ompi_op_t *op,
|
|
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,
|
|
"ompi_coll_tuned_scan_intra_dec_dynamic"));
|
|
|
|
/**
|
|
* check to see if we have some filebased rules.
|
|
*/
|
|
if (tuned_module->com_rules[SCAN]) {
|
|
int comsize, alg, faninout, segsize, max_requests;
|
|
size_t dsize;
|
|
|
|
comsize = ompi_comm_size(comm);
|
|
ompi_datatype_type_size (dtype, &dsize);
|
|
dsize *= comsize;
|
|
|
|
alg = ompi_coll_tuned_get_target_method_params (tuned_module->com_rules[SCAN],
|
|
dsize, &faninout, &segsize, &max_requests);
|
|
|
|
if (alg) {
|
|
/* we have found a valid choice from the file based rules for this message size */
|
|
return ompi_coll_tuned_scan_intra_do_this (sbuf, rbuf, count, dtype,
|
|
op, comm, module,
|
|
alg);
|
|
} /* found a method */
|
|
} /*end if any com rules to check */
|
|
|
|
if (tuned_module->user_forced[SCAN].algorithm) {
|
|
return ompi_coll_tuned_scan_intra_do_this(sbuf, rbuf, count, dtype,
|
|
op, comm, module,
|
|
tuned_module->user_forced[SCAN].algorithm);
|
|
}
|
|
|
|
return ompi_coll_base_scan_intra_linear(sbuf, rbuf, count, dtype,
|
|
op, comm, module);
|
|
}
|