149 строки
5.9 KiB
C
149 строки
5.9 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) 2004-2013 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) 2012-2013 Inria. All rights reserved.
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* Copyright (c) 2014 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 <stdio.h>
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#include <stdlib.h>
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#include "opal/class/opal_list.h"
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#include "opal/util/output.h"
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#include "ompi/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/mca/base/mca_base_component_repository.h"
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#include "ompi/mca/topo/topo.h"
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#include "ompi/mca/topo/base/base.h"
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#include "ompi/constants.h"
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static int init_query(const mca_base_component_t *m,
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mca_base_component_list_item_t *entry,
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bool enable_progress_threads,
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bool enable_mpi_threads);
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static int init_query_2_2_0(const mca_base_component_t *component,
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mca_base_component_list_item_t *entry,
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bool enable_progress_threads,
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bool enable_mpi_threads);
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int mca_topo_base_find_available(bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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opal_list_item_t *item, *next;
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mca_base_component_list_item_t *cli;
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/* The list of components which we should check is already present
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in ompi_topo_base_framework.framework_components, which was established in
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mca_topo_base_open */
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item = opal_list_get_first(&ompi_topo_base_framework.framework_components);
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while (item != opal_list_get_end(&ompi_topo_base_framework.framework_components)) {
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next = opal_list_get_next(item);
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cli = (mca_base_component_list_item_t*)item;
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/* Now for this entry, we have to determine the thread level. Call
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a subroutine to do the job for us */
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if (OMPI_SUCCESS != init_query(cli->cli_component, cli,
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enable_progress_threads,
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enable_mpi_threads)) {
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/* The component does not want to run, so close it. Its close()
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has already been invoked. Close it out of the DSO repository
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(if it is there in the repository) */
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mca_base_component_repository_release(cli->cli_component);
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opal_list_remove_item(&ompi_topo_base_framework.framework_components, item);
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OBJ_RELEASE(item);
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}
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item = next;
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}
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/* There should at least be one topo component available */
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if (0 == opal_list_get_size(&ompi_topo_base_framework.framework_components)) {
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opal_output_verbose (10, ompi_topo_base_framework.framework_output,
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"topo:find_available: no topo components available!");
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return OMPI_ERROR;
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}
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/* All done */
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return OMPI_SUCCESS;
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}
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static int init_query(const mca_base_component_t *m,
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mca_base_component_list_item_t *entry,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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int ret;
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opal_output_verbose(10, ompi_topo_base_framework.framework_output,
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"topo:find_available: querying topo component %s",
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m->mca_component_name);
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/* This component has been successfully opened, now try to query
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it and see if it wants to run in this job. Nothing interesting
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happened in the topo framework before v2.2.0, so don't bother
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supporting anything before then. */
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if (2 == m->mca_type_major_version &&
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2 == m->mca_type_minor_version &&
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0 == m->mca_type_release_version) {
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ret = init_query_2_2_0(m, entry, enable_progress_threads,
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enable_mpi_threads);
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} else {
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/* unrecognised API version */
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opal_output_verbose(10, ompi_topo_base_framework.framework_output,
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"topo:find_available:unrecognised topo API version (%d.%d.%d)",
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m->mca_type_major_version,
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m->mca_type_minor_version,
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m->mca_type_release_version);
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return OMPI_ERROR;
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}
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/* Query done -- look at return value to see what happened */
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if (OMPI_SUCCESS != ret) {
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opal_output_verbose(10, ompi_topo_base_framework.framework_output,
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"topo:find_available topo component %s is not available",
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m->mca_component_name);
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if (NULL != m->mca_close_component) {
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m->mca_close_component();
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}
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} else {
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opal_output_verbose(10, ompi_topo_base_framework.framework_output,
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"topo:find_avalable: topo component %s is available",
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m->mca_component_name);
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}
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/* All done */
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return ret;
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}
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static int init_query_2_2_0(const mca_base_component_t *component,
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mca_base_component_list_item_t *entry,
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bool enable_progress_threads,
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bool enable_mpi_threads)
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{
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mca_topo_base_component_2_2_0_t *topo =
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(mca_topo_base_component_2_2_0_t *) component;
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return topo->topoc_init_query(enable_progress_threads,
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enable_mpi_threads);
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}
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