c7a0ce2755
but they will be soon. Provide support for GPU buffer transfers within a node. This commit was SVN r26008.
143 строки
4.3 KiB
C
143 строки
4.3 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) 2006 Voltaire. All rights reserved.
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* Copyright (c) 2007-2009 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2012 NVIDIA Corporation. All rights reserved.
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*
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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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#define OPAL_DISABLE_ENABLE_MEM_DEBUG 1
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#include "ompi_config.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 "mpool_rgpusm.h"
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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/*
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* Local functions
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*/
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static int rgpusm_open(void);
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static int rgpusm_close(void);
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static int rgpusm_register(void);
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static mca_mpool_base_module_t* rgpusm_init(struct mca_mpool_base_resources_t* resources);
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mca_mpool_rgpusm_component_t mca_mpool_rgpusm_component = {
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{
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/* First, the mca_base_component_t struct containing meta
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information about the component itself */
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{
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MCA_MPOOL_BASE_VERSION_2_0_0,
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"rgpusm", /* MCA component name */
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OMPI_MAJOR_VERSION, /* MCA component major version */
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OMPI_MINOR_VERSION, /* MCA component minor version */
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OMPI_RELEASE_VERSION, /* MCA component release version */
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rgpusm_open, /* component open */
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rgpusm_close,
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NULL,
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rgpusm_register
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},
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{
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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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rgpusm_init
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}
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};
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/**
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* component open/close/init function
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*/
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static int rgpusm_open(void)
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{
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return OMPI_SUCCESS;
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}
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static int rgpusm_register(void)
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{
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int val;
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mca_base_param_reg_string(&mca_mpool_rgpusm_component.super.mpool_version,
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"rcache_name",
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"The name of the registration cache the mpool should use",
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false, false, "vma", &mca_mpool_rgpusm_component.rcache_name);
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mca_base_param_reg_int(&mca_mpool_rgpusm_component.super.mpool_version,
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"rcache_size_limit",
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"the maximum size of registration cache in bytes. "
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"0 is unlimited (default 0)", false, false, 0, &val);
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mca_mpool_rgpusm_component.rcache_size_limit = (size_t)val;
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mca_base_param_reg_int(&mca_mpool_rgpusm_component.super.mpool_version,
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"leave_pinned",
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"Whether to keep memory handles around or release them when done. ",
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false, false, 1, &val);
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mca_mpool_rgpusm_component.leave_pinned = (size_t)val;
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mca_base_param_reg_int(&mca_mpool_rgpusm_component.super.mpool_version,
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"print_stats",
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"print pool usage statistics at the end of the run",
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false, false, 0, &val);
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mca_mpool_rgpusm_component.print_stats = val?true:false;
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/* Set different levels of verbosity in the rgpusm related code. */
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mca_base_param_reg_int(&mca_mpool_rgpusm_component.super.mpool_version,
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"verbose",
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"Set level of mpool rgpusm verbosity",
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false, false, 0, &val);
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mca_mpool_rgpusm_component.output = opal_output_open(NULL);
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opal_output_set_verbosity(mca_mpool_rgpusm_component.output, val);
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return OMPI_SUCCESS;
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}
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static int rgpusm_close(void)
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{
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if (NULL != mca_mpool_rgpusm_component.rcache_name) {
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free(mca_mpool_rgpusm_component.rcache_name);
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}
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return OMPI_SUCCESS;
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}
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static mca_mpool_base_module_t* rgpusm_init(
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struct mca_mpool_base_resources_t *resources)
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{
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mca_mpool_rgpusm_module_t* mpool_module;
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mpool_module =
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(mca_mpool_rgpusm_module_t*)malloc(sizeof(mca_mpool_rgpusm_module_t));
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mpool_module->resources = *resources;
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mca_mpool_rgpusm_module_init(mpool_module);
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return &mpool_module->super;
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}
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