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in the base). Correctly deal with persistent requests (they must be always freed when they are stored in the request array associated with the communicator). Always use MPI_STATUS_IGNORE for single request waiting functions.
116 строки
4.1 KiB
C
116 строки
4.1 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2007 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) 2008 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
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* 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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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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*/
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#include "ompi_config.h"
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#include "coll_basic.h"
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#include "mpi.h"
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#include "ompi/mca/coll/coll.h"
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#include "coll_basic.h"
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/*
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* Public string showing the coll ompi_basic component version number
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*/
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const char *mca_coll_basic_component_version_string =
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"Open MPI basic collective MCA component version " OMPI_VERSION;
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/*
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* Global variables
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*/
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int mca_coll_basic_priority = 10;
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int mca_coll_basic_crossover = 4;
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/*
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* Local function
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*/
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static int basic_register(void);
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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const mca_coll_base_component_2_0_0_t mca_coll_basic_component = {
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/* First, the mca_component_t struct containing meta information
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* about the component itself */
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.collm_version = {
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MCA_COLL_BASE_VERSION_2_0_0,
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/* Component name and version */
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.mca_component_name = "basic",
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MCA_BASE_MAKE_VERSION(component, OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION,
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OMPI_RELEASE_VERSION),
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/* Component open and close functions */
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.mca_register_component_params = basic_register,
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},
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.collm_data = {
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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},
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/* Initialization / querying functions */
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.collm_init_query = mca_coll_basic_init_query,
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.collm_comm_query = mca_coll_basic_comm_query,
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};
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static int
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basic_register(void)
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{
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/* Use a low priority, but allow other components to be lower */
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mca_coll_basic_priority = 10;
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(void) mca_base_component_var_register(&mca_coll_basic_component.collm_version, "priority",
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"Priority of the basic coll component",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_coll_basic_priority);
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mca_coll_basic_crossover = 4;
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(void) mca_base_component_var_register(&mca_coll_basic_component.collm_version, "crossover",
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"Minimum number of processes in a communicator before using the logarithmic algorithms",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_coll_basic_crossover);
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return OMPI_SUCCESS;
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}
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OBJ_CLASS_INSTANCE(mca_coll_basic_module_t,
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mca_coll_base_module_t,
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NULL,
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NULL);
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OBJ_CLASS_INSTANCE(mca_coll_basic_comm_t, mca_coll_base_comm_t,
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NULL, NULL);
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