e653da1d11
Fix singleton operations - allow multiple xcasts to be queued. This commit was SVN r15097.
137 строки
4.8 KiB
C
137 строки
4.8 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) 2004-2005 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) 2007 Cisco Systems, Inc. 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 "orte_config.h"
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#include "orte/orte_constants.h"
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "opal/threads/condition.h"
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#include "orte/mca/oob/oob.h"
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/*
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* The following file was created by configure. It contains extern
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* statements and the definition of an array of pointers to each
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* component's public mca_base_component_t struct.
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*/
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#include "orte/mca/oob/base/static-components.h"
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/*
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* Global variables
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*/
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mca_oob_t mca_oob;
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int mca_oob_base_output = -1;
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opal_list_t mca_oob_base_components;
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opal_list_t mca_oob_base_modules;
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opal_list_t mca_oob_base_exception_handlers;
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opal_mutex_t orte_oob_xcast_mutex;
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opal_condition_t orte_oob_xcast_cond;
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int orte_oob_xcast_linear_xover;
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int orte_oob_xcast_binomial_xover;
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orte_std_cntr_t orte_oob_xcast_num_active;
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bool orte_oob_base_already_opened = false;
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#define ORTE_OOB_XCAST_LINEAR_XOVER_DEFAULT 10
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#define ORTE_OOB_XCAST_BINOMIAL_XOVER_DEFAULT INT_MAX
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/**
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* Function for finding and opening either all MCA components, or the one
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* that was specifically requested via a MCA parameter.
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*/
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int mca_oob_base_open(void)
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{
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int param, value;
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char *mode;
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/* Sanity check. This may be able to be removed when the rml/oob
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interface is re-worked (the current infrastructure may invoke
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this function twice: once as a standalone, and once via the rml
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oob component). */
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if (orte_oob_base_already_opened) {
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return ORTE_SUCCESS;
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}
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/* initialize the condition variables for xcast */
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OBJ_CONSTRUCT(&orte_oob_xcast_mutex, opal_mutex_t);
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OBJ_CONSTRUCT(&orte_oob_xcast_cond, opal_condition_t);
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orte_oob_xcast_num_active = 0;
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/* register parameters */
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param = mca_base_param_reg_int_name("oob", "base_verbose",
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"Verbosity level for the oob framework",
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false, false, 0, &value);
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if (value != 0) {
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mca_oob_base_output = opal_output_open(NULL);
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} else {
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mca_oob_base_output = -1;
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}
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param = mca_base_param_reg_int_name("oob", "xcast_linear_xover",
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"Number of daemons where use of linear xcast mode is to begin",
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false, false, ORTE_OOB_XCAST_LINEAR_XOVER_DEFAULT, &orte_oob_xcast_linear_xover);
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param = mca_base_param_reg_int_name("oob", "xcast_binomial_xover",
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"Number of daemons where use of binomial xcast mode is to begin",
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false, false, ORTE_OOB_XCAST_BINOMIAL_XOVER_DEFAULT, &orte_oob_xcast_binomial_xover);
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param = mca_base_param_reg_string_name("oob", "xcast_mode",
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"Select xcast mode (\"linear\" | \"binomial\" | \"direct\")",
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false, false, "none", &mode);
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if (0 == strcmp(mode, "binomial")) {
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orte_oob_xcast_binomial_xover = 0;
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orte_oob_xcast_linear_xover = 0;
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} else if (0 == strcmp(mode, "linear")) {
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orte_oob_xcast_linear_xover = 0;
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orte_oob_xcast_binomial_xover = INT_MAX;
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} else if (0 == strcmp(mode, "direct")) {
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orte_oob_xcast_binomial_xover = INT_MAX;
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orte_oob_xcast_linear_xover = INT_MAX;
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} else if (0 != strcmp(mode, "none")) {
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opal_output(0, "oob_xcast_mode: unknown option %s - using defaults", mode);
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}
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/* Open up all available components */
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OBJ_CONSTRUCT(&mca_oob_base_components, opal_list_t);
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OBJ_CONSTRUCT(&mca_oob_base_modules, opal_list_t);
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OBJ_CONSTRUCT(&mca_oob_base_exception_handlers, opal_list_t);
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if (ORTE_SUCCESS !=
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mca_base_components_open("oob", mca_oob_base_output,
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mca_oob_base_static_components,
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&mca_oob_base_components, true)) {
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return ORTE_ERROR;
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}
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/* All done */
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orte_oob_base_already_opened = true;
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return ORTE_SUCCESS;
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}
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