b44f8d4b28
Use hwloc to obtain the cpuset for each process during mpi_init, and share that info in the modex. As it arrives, use a new opal_hwloc_base utility function to parse the value against the local proc's cpuset and determine where they overlap. Cache the value in the pmap object as it may be referenced multiple times. Thus, the return value from orte_ess.proc_get_locality is a 16-bit bitmask that describes the resources being shared with you. This bitmask can be tested using the macros in opal/mca/paffinity/paffinity.h Locality is available for all procs, whether launched via mpirun or directly with an external launcher such as slurm or aprun. This commit was SVN r25331.
99 строки
2.8 KiB
C
99 строки
2.8 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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* $COPYRIGHT$
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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/constants.h"
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#include "opal/mca/mca.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/base.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "orte/mca/grpcomm/base/base.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/grpcomm/base/static-components.h"
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/*
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* Global variables
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*/
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orte_grpcomm_base_t orte_grpcomm_base;
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orte_grpcomm_base_module_t orte_grpcomm = {0};
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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 orte_grpcomm_base_open(void)
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{
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/* Debugging / verbose output. Always have stream open, with
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verbose set by the mca open system... */
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orte_grpcomm_base.output = opal_output_open(NULL);
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/* define the default daemon collective fn */
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#if ORTE_DISABLE_FULL_SUPPORT
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orte_grpcomm_base.daemon_coll = NULL;
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#else
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orte_grpcomm_base.daemon_coll = orte_grpcomm_base_daemon_collective;
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#endif
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#if OPAL_HAVE_HWLOC
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orte_grpcomm_base.working_cpuset = NULL;
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#endif
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/* Open up all available components */
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if (ORTE_SUCCESS !=
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mca_base_components_open("grpcomm", orte_grpcomm_base.output,
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mca_grpcomm_base_static_components,
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&orte_grpcomm_base.components_available, true)) {
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return ORTE_ERROR;
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}
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/* All done */
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return ORTE_SUCCESS;
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}
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/* local objects */
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static void collective_constructor(orte_grpcomm_collective_t *ptr)
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{
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OBJ_CONSTRUCT(&ptr->lock, opal_mutex_t);
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OBJ_CONSTRUCT(&ptr->cond, opal_condition_t);
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OBJ_CONSTRUCT(&ptr->results, opal_buffer_t);
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ptr->recvd = 0;
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}
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static void collective_destructor(orte_grpcomm_collective_t *ptr)
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{
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OBJ_DESTRUCT(&ptr->lock);
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OBJ_DESTRUCT(&ptr->cond);
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OBJ_DESTRUCT(&ptr->results);
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}
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OBJ_CLASS_INSTANCE(orte_grpcomm_collective_t,
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opal_object_t,
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collective_constructor,
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collective_destructor);
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