188 строки
6.7 KiB
C
188 строки
6.7 KiB
C
/*
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* Copyright (c) 2006-2007 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) 2004-2007 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) 2004-2006 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2010-2012 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 "ompi_config.h"
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#include "pml_cm.h"
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#include "opal/mca/event/event.h"
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#include "ompi/mca/mtl/mtl.h"
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#include "ompi/mca/mtl/base/base.h"
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#include "ompi/mca/pml/base/pml_base_bsend.h"
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#include "pml_cm_sendreq.h"
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#include "pml_cm_recvreq.h"
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#include "pml_cm_component.h"
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static int mca_pml_cm_component_register(void);
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static int mca_pml_cm_component_open(void);
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static int mca_pml_cm_component_close(void);
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static mca_pml_base_module_t* mca_pml_cm_component_init( int* priority,
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bool enable_progress_threads, bool enable_mpi_threads);
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static int mca_pml_cm_component_fini(void);
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mca_pml_base_component_2_0_0_t mca_pml_cm_component = {
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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_PML_BASE_VERSION_2_0_0,
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"cm", /* 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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mca_pml_cm_component_open, /* component open */
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mca_pml_cm_component_close, /* component close */
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NULL,
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mca_pml_cm_component_register,
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},
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{
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/* This component is not checkpoint ready */
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MCA_BASE_METADATA_PARAM_NONE
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},
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mca_pml_cm_component_init, /* component init */
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mca_pml_cm_component_fini /* component finalize */
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};
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/* Array of send completion callback - one per send type
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* These are called internally by the library when the send
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* is completed from its perspective.
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*/
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void (*send_completion_callbacks[MCA_PML_BASE_SEND_SIZE])
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(struct mca_mtl_request_t *mtl_request) =
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{ mca_pml_cm_send_request_completion,
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mca_pml_cm_send_request_completion,
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mca_pml_cm_send_request_completion,
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mca_pml_cm_send_request_completion,
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mca_pml_cm_send_request_completion } ;
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static int
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mca_pml_cm_component_register(void)
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{
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ompi_pml_cm.free_list_num = 4;
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(void) mca_base_component_var_register(&mca_pml_cm_component.pmlm_version, "free_list_num",
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"Initial size of request free lists",
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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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&ompi_pml_cm.free_list_num);
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ompi_pml_cm.free_list_max = -1;
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(void) mca_base_component_var_register(&mca_pml_cm_component.pmlm_version, "free_list_max",
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"Maximum size of request free lists",
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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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&ompi_pml_cm.free_list_max);
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ompi_pml_cm.free_list_inc = 64;
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(void) mca_base_component_var_register(&mca_pml_cm_component.pmlm_version, "free_list_inc",
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"Number of elements to add when growing request free lists",
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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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&ompi_pml_cm.free_list_inc);
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ompi_pml_cm.default_priority = 10;
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(void) mca_base_component_var_register(&mca_pml_cm_component.pmlm_version, "priority",
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"CM PML selection priority",
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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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&ompi_pml_cm.default_priority);
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return OPAL_SUCCESS;
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}
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static int
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mca_pml_cm_component_open(void)
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{
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int ret;
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ret = mca_base_framework_open(&ompi_mtl_base_framework, 0);
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if (OMPI_SUCCESS == ret) {
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/* If no MTL components initialized CM component can be unloaded */
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if (0 == opal_list_get_size(&ompi_mtl_base_framework.framework_components)) {
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ret = OPAL_ERR_NOT_AVAILABLE;
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}
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}
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return ret;
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}
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static int
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mca_pml_cm_component_close(void)
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{
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return mca_base_framework_close(&ompi_mtl_base_framework);
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}
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static mca_pml_base_module_t*
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mca_pml_cm_component_init(int* priority,
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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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if((*priority) > ompi_pml_cm.default_priority) {
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*priority = ompi_pml_cm.default_priority;
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return NULL;
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}
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*priority = ompi_pml_cm.default_priority;
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opal_output_verbose( 10, 0,
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"in cm pml priority is %d\n", *priority);
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/* find a useable MTL */
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ret = ompi_mtl_base_select(enable_progress_threads, enable_mpi_threads);
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if (OMPI_SUCCESS != ret) {
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*priority = -1;
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return NULL;
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} else if((strcmp(ompi_mtl_base_selected_component->mtl_version.mca_component_name, "psm") == 0) ||
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(strcmp(ompi_mtl_base_selected_component->mtl_version.mca_component_name, "mxm") == 0) ||
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(strcmp(ompi_mtl_base_selected_component->mtl_version.mca_component_name, "portals4") == 0)) {
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/*
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* If MTL is MXM or PSM then up our priority
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* For every other communication layer having MTLs and BTLs, the user/admin
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* may still select PML/ob1 (BTLs) or PML/cm (MTLs) if preferable for the app/site.
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*/
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*priority = 30;
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}
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/* update our tag / context id max values based on MTL
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information */
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ompi_pml_cm.super.pml_max_contextid = ompi_mtl->mtl_max_contextid;
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ompi_pml_cm.super.pml_max_tag = ompi_mtl->mtl_max_tag;
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return &ompi_pml_cm.super;
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}
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static int
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mca_pml_cm_component_fini(void)
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{
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if (NULL != ompi_mtl) {
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return OMPI_MTL_CALL(finalize(ompi_mtl));
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}
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return OMPI_SUCCESS;
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}
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