2005-08-31 05:43:48 +04:00
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/*
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2007-03-17 02:11:45 +03:00
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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2005-11-05 22:57:48 +03:00
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* University Research and Technology
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* Corporation. All rights reserved.
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2006-04-20 03:42:06 +04:00
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* Copyright (c) 2004-2006 The University of Tennessee and The University
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2005-11-05 22:57:48 +03:00
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* of Tennessee Research Foundation. All rights
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* reserved.
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2005-08-31 05:43:48 +04:00
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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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2008-05-07 06:31:24 +04:00
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* Copyright (c) 2008 Sun Microsystems, Inc. All rights reserved.
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2005-08-31 05:43:48 +04:00
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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 "coll_tuned.h"
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#include <stdio.h>
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#include "mpi.h"
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2006-02-12 04:33:29 +03:00
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#include "ompi/communicator/communicator.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "ompi/mca/coll/coll.h"
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#include "ompi/mca/coll/base/base.h"
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2005-08-31 05:43:48 +04:00
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#include "coll_tuned.h"
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#include "coll_tuned_topo.h"
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2005-11-08 07:43:17 +03:00
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#include "coll_tuned_dynamic_rules.h"
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#include "coll_tuned_dynamic_file.h"
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2006-04-20 03:42:06 +04:00
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#include "coll_tuned_forced.h"
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2005-08-31 05:43:48 +04:00
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2008-07-29 02:40:57 +04:00
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static int tuned_module_enable(mca_coll_base_module_t *module,
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2007-08-19 07:37:49 +04:00
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struct ompi_communicator_t *comm);
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2005-08-31 05:43:48 +04:00
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/*
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* Initial query function that is invoked during MPI_INIT, allowing
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* this component to disqualify itself if it doesn't support the
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* required level of thread support.
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*/
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2005-12-22 16:49:33 +03:00
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int ompi_coll_tuned_init_query(bool enable_progress_threads,
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2006-10-18 06:00:46 +04:00
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bool enable_mpi_threads)
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2005-08-31 05:43:48 +04:00
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{
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/* Nothing to do */
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return OMPI_SUCCESS;
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}
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/*
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* Invoked when there's a new communicator that has been created.
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* Look at the communicator and decide which set of functions and
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* priority we want to return.
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*/
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2008-07-29 02:40:57 +04:00
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mca_coll_base_module_t *
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2007-08-19 07:37:49 +04:00
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ompi_coll_tuned_comm_query(struct ompi_communicator_t *comm, int *priority)
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2005-08-31 05:43:48 +04:00
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{
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2007-08-19 07:37:49 +04:00
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mca_coll_tuned_module_t *tuned_module;
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2008-06-09 18:53:58 +04:00
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OPAL_OUTPUT((ompi_coll_tuned_stream, "coll:tuned:module_tuned query called"));
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2005-08-31 05:43:48 +04:00
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2007-08-19 07:37:49 +04:00
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/**
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* If it is inter-communicator and size is less than 2 we have specialized modules
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* to handle the intra collective communications.
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*/
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if (OMPI_COMM_IS_INTRA(comm) && ompi_comm_size(comm) < 2) {
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*priority = 0;
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return NULL;
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}
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if (OMPI_COMM_IS_INTER(comm)) {
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#if 0
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if (ompi_coll_tuned_use_dynamic_rules) {
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2008-06-09 18:53:58 +04:00
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OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_query using inter_dynamic"));
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2007-08-19 07:37:49 +04:00
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} else {
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2008-06-09 18:53:58 +04:00
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OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_query using inter_fixed"));
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2007-08-19 07:37:49 +04:00
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}
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#endif
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/* tuned does not support inter-communicator yet */
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*priority = 0;
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return NULL;
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}
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tuned_module = OBJ_NEW(mca_coll_tuned_module_t);
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if (NULL == tuned_module) return NULL;
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2005-12-22 16:49:33 +03:00
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*priority = ompi_coll_tuned_priority;
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2005-08-31 05:43:48 +04:00
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2006-10-18 06:00:46 +04:00
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/*
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* Choose whether to use [intra|inter] decision functions
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* and if using fixed OR dynamic rule sets.
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* Right now you cannot mix them, maybe later on it can be changed
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* but this would probably add an extra if and funct call to the path
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*/
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2007-08-19 07:37:49 +04:00
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tuned_module->super.coll_module_enable = tuned_module_enable;
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tuned_module->super.ft_event = mca_coll_tuned_ft_event;
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if (ompi_coll_tuned_use_dynamic_rules) {
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2008-06-09 18:53:58 +04:00
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OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_query using intra_dynamic"));
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2007-08-19 07:37:49 +04:00
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tuned_module->super.coll_allgather = ompi_coll_tuned_allgather_intra_dec_dynamic;
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tuned_module->super.coll_allgatherv = ompi_coll_tuned_allgatherv_intra_dec_dynamic;
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tuned_module->super.coll_allreduce = ompi_coll_tuned_allreduce_intra_dec_dynamic;
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tuned_module->super.coll_alltoall = ompi_coll_tuned_alltoall_intra_dec_dynamic;
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2008-05-07 06:31:24 +04:00
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tuned_module->super.coll_alltoallv = ompi_coll_tuned_alltoallv_intra_dec_dynamic;
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2007-08-19 07:37:49 +04:00
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tuned_module->super.coll_alltoallw = NULL;
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tuned_module->super.coll_barrier = ompi_coll_tuned_barrier_intra_dec_dynamic;
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tuned_module->super.coll_bcast = ompi_coll_tuned_bcast_intra_dec_dynamic;
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tuned_module->super.coll_exscan = NULL;
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tuned_module->super.coll_gather = ompi_coll_tuned_gather_intra_dec_dynamic;
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tuned_module->super.coll_gatherv = NULL;
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tuned_module->super.coll_reduce = ompi_coll_tuned_reduce_intra_dec_dynamic;
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tuned_module->super.coll_reduce_scatter = ompi_coll_tuned_reduce_scatter_intra_dec_dynamic;
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tuned_module->super.coll_scan = NULL;
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tuned_module->super.coll_scatter = ompi_coll_tuned_scatter_intra_dec_dynamic;
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tuned_module->super.coll_scatterv = NULL;
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} else {
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2008-06-09 18:53:58 +04:00
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OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_query using intra_fixed"));
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2007-08-19 07:37:49 +04:00
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tuned_module->super.coll_allgather = ompi_coll_tuned_allgather_intra_dec_fixed;
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tuned_module->super.coll_allgatherv = ompi_coll_tuned_allgatherv_intra_dec_fixed;
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tuned_module->super.coll_allreduce = ompi_coll_tuned_allreduce_intra_dec_fixed;
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tuned_module->super.coll_alltoall = ompi_coll_tuned_alltoall_intra_dec_fixed;
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2008-05-07 06:31:24 +04:00
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tuned_module->super.coll_alltoallv = ompi_coll_tuned_alltoallv_intra_dec_fixed;
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2007-08-19 07:37:49 +04:00
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tuned_module->super.coll_alltoallw = NULL;
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tuned_module->super.coll_barrier = ompi_coll_tuned_barrier_intra_dec_fixed;
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tuned_module->super.coll_bcast = ompi_coll_tuned_bcast_intra_dec_fixed;
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tuned_module->super.coll_exscan = NULL;
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tuned_module->super.coll_gather = ompi_coll_tuned_gather_intra_dec_fixed;
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tuned_module->super.coll_gatherv = NULL;
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tuned_module->super.coll_reduce = ompi_coll_tuned_reduce_intra_dec_fixed;
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tuned_module->super.coll_reduce_scatter = ompi_coll_tuned_reduce_scatter_intra_dec_fixed;
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tuned_module->super.coll_scan = NULL;
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tuned_module->super.coll_scatter = ompi_coll_tuned_scatter_intra_dec_fixed;
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tuned_module->super.coll_scatterv = NULL;
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2006-10-18 06:00:46 +04:00
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2005-09-01 03:38:09 +04:00
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}
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2007-08-19 07:37:49 +04:00
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return &(tuned_module->super);
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2005-08-31 05:43:48 +04:00
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}
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/*
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* Init module on the communicator
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*/
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2007-08-19 07:37:49 +04:00
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static int
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2008-07-29 02:40:57 +04:00
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tuned_module_enable(mca_coll_base_module_t *module,
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2007-08-19 07:37:49 +04:00
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struct ompi_communicator_t *comm)
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2005-08-31 05:43:48 +04:00
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{
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2007-09-13 00:13:26 +04:00
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int size;
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2007-08-19 07:37:49 +04:00
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mca_coll_tuned_module_t *tuned_module = (mca_coll_tuned_module_t *) module;
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mca_coll_tuned_comm_t *data = NULL;
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2006-10-18 06:00:46 +04:00
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/* fanout parameters */
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int rc=0;
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int i;
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2008-06-09 18:53:58 +04:00
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OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_init called."));
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2006-10-18 06:00:46 +04:00
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/* This routine will become more complex and might have to be */
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/* broken into more sections/function calls */
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/* Order of operations:
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* alloc memory for nb reqs (in case we fall through)
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* add decision rules if using dynamic rules
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* compact rules using communicator size info etc
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* build first guess cached topologies (might depend on the rules from above)
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*
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* then attach all to the communicator and return base module funct ptrs
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*/
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/* Allocate the data that hangs off the communicator */
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if (OMPI_COMM_IS_INTER(comm)) {
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size = ompi_comm_remote_size(comm);
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} else {
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size = ompi_comm_size(comm);
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}
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/*
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* we still malloc data as it is used by the TUNED modules
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* if we don't allocate it and fall back to a BASIC module routine then confuses debuggers
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* we place any special info after the default data
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*
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* BUT on very large systems we might not be able to allocate all this memory so
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* we do check a MCA parameter to see if if we should allocate this memory
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*
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* The default is set very high
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*
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*/
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/* if we within the memory/size limit, allow preallocated data */
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if (size<=ompi_coll_tuned_preallocate_memory_comm_size_limit) {
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2007-08-19 07:37:49 +04:00
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data = (mca_coll_tuned_comm_t*)malloc(sizeof(struct mca_coll_tuned_comm_t) +
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(sizeof(ompi_request_t *) * size * 2));
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2005-08-31 05:43:48 +04:00
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2006-10-18 06:00:46 +04:00
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if (NULL == data) {
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2007-08-19 07:37:49 +04:00
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return OMPI_ERROR;
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2006-10-18 06:00:46 +04:00
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}
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data->mcct_reqs = (ompi_request_t **) (data + 1);
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data->mcct_num_reqs = size * 2;
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2007-08-19 07:37:49 +04:00
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} else {
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data = (mca_coll_tuned_comm_t*)malloc(sizeof(struct mca_coll_tuned_comm_t));
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2005-09-13 08:28:18 +04:00
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2006-10-18 06:00:46 +04:00
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if (NULL == data) {
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2007-08-19 07:37:49 +04:00
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return OMPI_ERROR;
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2006-10-18 06:00:46 +04:00
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}
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data->mcct_reqs = (ompi_request_t **) NULL;
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data->mcct_num_reqs = 0;
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}
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2005-08-31 05:43:48 +04:00
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2005-11-08 07:43:17 +03:00
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2006-10-18 06:00:46 +04:00
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/*
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* If using dynamic and you are MPI_COMM_WORLD and you want to use a parameter file..
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* then this effects how much storage space you need
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* (This is a basic version of what will go into V2)
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*
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*/
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2005-11-08 07:43:17 +03:00
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2006-10-18 06:00:46 +04:00
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size = ompi_comm_size(comm); /* find size so we can (A) decide if to access the file directly */
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/* (B) so we can get our very own customised ompi_coll_com_rule_t ptr */
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/* which only has rules in it for our com size */
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2005-11-08 07:43:17 +03:00
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2006-10-18 06:00:46 +04:00
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/* actually if they are below a threadhold, they all open it */
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/* have to build a collective in here.. but just for MCW.. */
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/* but we have to make sure we have the same rules everywhere :( */
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2005-11-08 07:43:17 +03:00
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2006-10-18 06:00:46 +04:00
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/* if using dynamic rules make sure all overrides are NULL before we start override anything accidently */
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if (ompi_coll_tuned_use_dynamic_rules) {
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2005-11-08 07:43:17 +03:00
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/* base rules */
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data->all_base_rules = (ompi_coll_alg_rule_t*) NULL;
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/* each collective rule for my com size */
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for (i=0;i<COLLCOUNT;i++) {
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2006-10-18 06:00:46 +04:00
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data->com_rules[i] = (ompi_coll_com_rule_t*) NULL;
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2005-11-08 07:43:17 +03:00
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}
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2006-10-18 06:00:46 +04:00
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}
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2005-11-08 07:43:17 +03:00
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2006-10-18 06:00:46 +04:00
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/* next dynamic state, recheck all forced rules as well */
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/* warning, we should check to make sure this is really an INTRA comm here... */
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if (ompi_coll_tuned_use_dynamic_rules) {
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2006-04-20 03:42:06 +04:00
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[ALLREDUCE], &(data->user_forced[ALLREDUCE]));
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[ALLTOALL], &(data->user_forced[ALLTOALL]));
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2006-12-21 21:40:02 +03:00
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[ALLGATHER], &(data->user_forced[ALLGATHER]));
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2007-07-04 03:33:12 +04:00
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[ALLGATHERV], &(data->user_forced[ALLGATHERV]));
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2008-05-07 06:31:24 +04:00
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[ALLTOALLV], &(data->user_forced[ALLTOALLV]));
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2006-04-20 03:42:06 +04:00
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ompi_coll_tuned_forced_getvalues_barrier (ompi_coll_tuned_forced_params[BARRIER], &(data->user_forced[BARRIER]));
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[BCAST], &(data->user_forced[BCAST]));
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[REDUCE], &(data->user_forced[REDUCE]));
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2007-03-05 23:40:39 +03:00
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[REDUCESCATTER], &(data->user_forced[REDUCESCATTER]));
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2007-02-28 04:11:01 +03:00
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[GATHER], &(data->user_forced[GATHER]));
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2007-03-03 02:19:02 +03:00
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ompi_coll_tuned_forced_getvalues (ompi_coll_tuned_forced_params[SCATTER], &(data->user_forced[SCATTER]));
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2006-10-18 06:00:46 +04:00
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}
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2006-04-20 03:42:06 +04:00
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2005-11-08 07:43:17 +03:00
|
|
|
|
2006-10-18 06:00:46 +04:00
|
|
|
if (&ompi_mpi_comm_world==comm) {
|
|
|
|
if (ompi_coll_tuned_use_dynamic_rules) {
|
2008-06-09 18:53:58 +04:00
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_init MCW & Dynamic"));
|
2006-10-18 06:00:46 +04:00
|
|
|
if (ompi_coll_tuned_dynamic_rules_filename) {
|
2008-06-09 18:53:58 +04:00
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_init Opening [%s]",
|
2006-10-18 06:00:46 +04:00
|
|
|
ompi_coll_tuned_dynamic_rules_filename));
|
|
|
|
rc = ompi_coll_tuned_read_rules_config_file (ompi_coll_tuned_dynamic_rules_filename,
|
|
|
|
&(data->all_base_rules), COLLCOUNT);
|
|
|
|
if (rc>=0) {
|
2008-06-09 18:53:58 +04:00
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_init Read %d valid rules\n", rc));
|
2006-10-18 06:00:46 +04:00
|
|
|
/* at this point we all have a base set of rules */
|
|
|
|
/* now we can get our customized communicator sized rule set, for each collective */
|
|
|
|
for (i=0;i<COLLCOUNT;i++) {
|
|
|
|
data->com_rules[i] = ompi_coll_tuned_get_com_rule_ptr (data->all_base_rules, i, size);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else { /* failed to read config file, thus make sure its a NULL... */
|
|
|
|
data->all_base_rules = (ompi_coll_alg_rule_t*) NULL;
|
2005-11-08 07:52:30 +03:00
|
|
|
}
|
2006-10-18 06:00:46 +04:00
|
|
|
} /* end if a config filename exists */
|
|
|
|
} /* end if dynamic_rules */
|
|
|
|
} /* end if MCW */
|
2005-11-08 07:43:17 +03:00
|
|
|
|
2006-10-18 06:00:46 +04:00
|
|
|
/* ok, if using dynamic rules, not MCW and we are just any rank and a base set of rules exist.. ref them */
|
|
|
|
/* order of eval is important here, if we are MCW ompi_mpi_comm_world.c_coll_selected_data is NULL still.. */
|
2007-08-19 07:37:49 +04:00
|
|
|
|
|
|
|
#if 0 /* FIXME: don't know how to deal with this */
|
2006-10-18 06:00:46 +04:00
|
|
|
if ((ompi_coll_tuned_use_dynamic_rules)&&(!(&ompi_mpi_comm_world==comm))&&
|
2005-11-08 07:52:30 +03:00
|
|
|
((ompi_mpi_comm_world.c_coll_selected_data)->all_base_rules)) {
|
2005-11-08 07:43:17 +03:00
|
|
|
|
2008-06-09 18:53:58 +04:00
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_init NOT MCW & Dynamic"));
|
2006-10-18 06:00:46 +04:00
|
|
|
|
|
|
|
/* this will, erm fail if MCW doesn't exist which it should! */
|
|
|
|
data->all_base_rules = (ompi_mpi_comm_world.c_coll_selected_data)->all_base_rules;
|
|
|
|
|
|
|
|
/* at this point we all have a base set of rules if they exist atall */
|
|
|
|
/* now we can get our customized communicator sized rule set, for each collective */
|
|
|
|
for (i=0;i<COLLCOUNT;i++) {
|
|
|
|
data->com_rules[i] = ompi_coll_tuned_get_com_rule_ptr (data->all_base_rules, i, size);
|
|
|
|
}
|
|
|
|
}
|
2007-08-19 07:37:49 +04:00
|
|
|
#endif
|
2006-10-18 06:00:46 +04:00
|
|
|
|
|
|
|
/*
|
|
|
|
* now for the cached topo functions
|
|
|
|
* guess the initial topologies to use rank 0 as root
|
|
|
|
*/
|
|
|
|
|
|
|
|
/* general n fan out tree */
|
2007-08-19 07:37:49 +04:00
|
|
|
data->cached_ntree = ompi_coll_tuned_topo_build_tree (ompi_coll_tuned_init_tree_fanout,
|
|
|
|
comm, 0);
|
2006-10-18 06:00:46 +04:00
|
|
|
data->cached_ntree_root = 0;
|
|
|
|
data->cached_ntree_fanout = ompi_coll_tuned_init_tree_fanout;
|
|
|
|
|
|
|
|
/* binary tree */
|
|
|
|
data->cached_bintree = ompi_coll_tuned_topo_build_tree (2, comm, 0);
|
|
|
|
data->cached_bintree_root = 0;
|
|
|
|
|
|
|
|
/* binomial tree */
|
|
|
|
data->cached_bmtree = ompi_coll_tuned_topo_build_bmtree (comm, 0);
|
|
|
|
data->cached_bmtree_root = 0;
|
|
|
|
|
2007-02-28 04:11:01 +03:00
|
|
|
/* binomial tree */
|
|
|
|
data->cached_in_order_bmtree = ompi_coll_tuned_topo_build_in_order_bmtree (comm, 0);
|
|
|
|
data->cached_in_order_bmtree_root = 0;
|
2006-10-18 06:00:46 +04:00
|
|
|
/*
|
|
|
|
* chains (fanout followed by pipelines)
|
|
|
|
* are more difficuilt as the fan out really really depends on message size [sometimes]..
|
|
|
|
* as size gets larger fan-out gets smaller [usually]
|
|
|
|
*
|
|
|
|
* will probably change how we cache this later, for now a midsize
|
|
|
|
* GEF
|
|
|
|
*/
|
2007-08-19 07:37:49 +04:00
|
|
|
data->cached_chain = ompi_coll_tuned_topo_build_chain (ompi_coll_tuned_init_chain_fanout,
|
|
|
|
comm, 0);
|
2006-10-18 06:00:46 +04:00
|
|
|
data->cached_chain_root = 0;
|
|
|
|
data->cached_chain_fanout = ompi_coll_tuned_init_chain_fanout;
|
|
|
|
|
|
|
|
/* standard pipeline */
|
|
|
|
data->cached_pipeline = ompi_coll_tuned_topo_build_chain (1, comm, 0);
|
|
|
|
data->cached_pipeline_root = 0;
|
|
|
|
|
2007-02-15 01:38:38 +03:00
|
|
|
/* in-order binary tree */
|
|
|
|
data->cached_in_order_bintree = ompi_coll_tuned_topo_build_in_order_bintree(comm);
|
|
|
|
|
2006-10-18 06:00:46 +04:00
|
|
|
/* All done */
|
|
|
|
|
2007-08-19 07:37:49 +04:00
|
|
|
tuned_module->tuned_data = data;
|
2006-10-18 06:00:46 +04:00
|
|
|
|
2008-06-09 18:53:58 +04:00
|
|
|
OPAL_OUTPUT((ompi_coll_tuned_stream,"coll:tuned:module_init Tuned is in use"));
|
2006-10-18 06:00:46 +04:00
|
|
|
return OMPI_SUCCESS;
|
2005-08-31 05:43:48 +04:00
|
|
|
}
|
2005-11-01 03:19:05 +03:00
|
|
|
|
2007-03-17 02:11:45 +03:00
|
|
|
int mca_coll_tuned_ft_event(int state) {
|
|
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
|
|
|
;
|
|
|
|
}
|
|
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
|
|
|
;
|
|
|
|
}
|
|
|
|
else if(OPAL_CRS_RESTART == state) {
|
|
|
|
;
|
|
|
|
}
|
|
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
|
|
;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
;
|
|
|
|
}
|
|
|
|
|
|
|
|
return OMPI_SUCCESS;
|
|
|
|
}
|