cf377db823
Features: - Support for an override parameter file (openmpi-mca-param-override.conf). Variable values in this file can not be overridden by any file or environment value. - Support for boolean, unsigned, and unsigned long long variables. - Support for true/false values. - Support for enumerations on integer variables. - Support for MPIT scope, verbosity, and binding. - Support for command line source. - Support for setting variable source via the environment using OMPI_MCA_SOURCE_<var name>=source (either command or file:filename) - Cleaner API. - Support for variable groups (equivalent to MPIT categories). Notes: - Variables must be created with a backing store (char **, int *, or bool *) that must live at least as long as the variable. - Creating a variable with the MCA_BASE_VAR_FLAG_SETTABLE enables the use of mca_base_var_set_value() to change the value. - String values are duplicated when the variable is registered. It is up to the caller to free the original value if necessary. The new value will be freed by the mca_base_var system and must not be freed by the user. - Variables with constant scope may not be settable. - Variable groups (and all associated variables) are deregistered when the component is closed or the component repository item is freed. This prevents a segmentation fault from accessing a variable after its component is unloaded. - After some discussion we decided we should remove the automatic registration of component priority variables. Few component actually made use of this feature. - The enumerator interface was updated to be general enough to handle future uses of the interface. - The code to generate ompi_info output has been moved into the MCA variable system. See mca_base_var_dump(). opal: update core and components to mca_base_var system orte: update core and components to mca_base_var system ompi: update core and components to mca_base_var system This commit also modifies the rmaps framework. The following variables were moved from ppr and lama: rmaps_base_pernode, rmaps_base_n_pernode, rmaps_base_n_persocket. Both lama and ppr create synonyms for these variables. This commit was SVN r28236.
195 строки
7.7 KiB
C
195 строки
7.7 KiB
C
/*
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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) 2004-2006 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) 2010 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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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif /* HAVE_STRING_H */
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif /* HAVE_SYS_TYPES_H */
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#include "ompi/constants.h"
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#include "opal/runtime/opal.h"
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#include "opal/mca/event/event.h"
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#include "btl_self.h"
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#include "btl_self_frag.h"
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static int mca_btl_self_component_register(void);
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/*
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* Shared Memory (SELF) component instance.
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*/
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mca_btl_self_component_t mca_btl_self_component = {
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{ /* super is being filled in */
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/* First, the mca_base_component_t struct containing meta information
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about the component itself */
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{
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MCA_BTL_BASE_VERSION_2_0_0,
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"self", /* 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_btl_self_component_open, /* component open */
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mca_btl_self_component_close, /* component close */
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NULL,
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mca_btl_self_component_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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mca_btl_self_component_init,
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NULL,
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} /* end super */
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};
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/*
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* Called by MCA framework to open the component, registers
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* component parameters.
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*/
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static int mca_btl_self_component_register(void)
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{
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mca_base_var_group_component_register(&mca_btl_self_component.super.btl_version,
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"BTL for self communication");
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/* register SELF component parameters */
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mca_btl_self_component.free_list_num = 0;
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(void) mca_base_component_var_register(&mca_btl_self_component.super.btl_version, "free_list_num",
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"Number of fragments by default",
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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_btl_self_component.free_list_num);
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mca_btl_self_component.free_list_max = -1;
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(void) mca_base_component_var_register(&mca_btl_self_component.super.btl_version, "free_list_max",
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"Maximum number of fragments",
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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_btl_self_component.free_list_max);
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mca_btl_self_component.free_list_inc = 32;
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(void) mca_base_component_var_register(&mca_btl_self_component.super.btl_version, "free_list_inc",
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"Increment by this number of fragments",
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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_btl_self_component.free_list_inc);
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mca_btl_self.btl_exclusivity = MCA_BTL_EXCLUSIVITY_HIGH;
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mca_btl_self.btl_eager_limit = 128 * 1024;
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mca_btl_self.btl_rndv_eager_limit = 128 * 1024;
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mca_btl_self.btl_max_send_size = 256 * 1024;
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mca_btl_self.btl_rdma_pipeline_send_length = INT_MAX;
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mca_btl_self.btl_rdma_pipeline_frag_size = INT_MAX;
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mca_btl_self.btl_min_rdma_pipeline_size = 0;
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mca_btl_self.btl_flags = MCA_BTL_FLAGS_PUT | MCA_BTL_FLAGS_SEND_INPLACE;
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mca_btl_self.btl_seg_size = sizeof (mca_btl_base_segment_t);
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mca_btl_self.btl_bandwidth = 100;
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mca_btl_self.btl_latency = 0;
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mca_btl_base_param_register(&mca_btl_self_component.super.btl_version,
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&mca_btl_self);
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return OMPI_SUCCESS;
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}
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int mca_btl_self_component_open(void)
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{
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/* initialize objects */
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OBJ_CONSTRUCT(&mca_btl_self_component.self_lock, opal_mutex_t);
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OBJ_CONSTRUCT(&mca_btl_self_component.self_frags_eager, ompi_free_list_t);
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OBJ_CONSTRUCT(&mca_btl_self_component.self_frags_send, ompi_free_list_t);
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OBJ_CONSTRUCT(&mca_btl_self_component.self_frags_rdma, ompi_free_list_t);
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return OMPI_SUCCESS;
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}
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/*
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* component cleanup - sanity checking of queue lengths
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*/
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int mca_btl_self_component_close(void)
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{
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OBJ_DESTRUCT(&mca_btl_self_component.self_lock);
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OBJ_DESTRUCT(&mca_btl_self_component.self_frags_eager);
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OBJ_DESTRUCT(&mca_btl_self_component.self_frags_send);
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OBJ_DESTRUCT(&mca_btl_self_component.self_frags_rdma);
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return OMPI_SUCCESS;
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}
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/*
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* SELF component initialization
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*/
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mca_btl_base_module_t** mca_btl_self_component_init( int *num_btls,
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bool enable_progress_threads,
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bool enable_mpi_threads )
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{
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mca_btl_base_module_t **btls = NULL;
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*num_btls = 0;
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/* allocate the Shared Memory PTL */
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*num_btls = 1;
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btls = (mca_btl_base_module_t**)malloc((*num_btls)*sizeof(mca_btl_base_module_t*));
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if (NULL == btls) {
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return NULL;
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}
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/* initialize free lists */
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ompi_free_list_init_new( &mca_btl_self_component.self_frags_eager,
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sizeof(mca_btl_self_frag_eager_t) + mca_btl_self.btl_eager_limit,
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opal_cache_line_size,
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OBJ_CLASS(mca_btl_self_frag_eager_t),
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0,opal_cache_line_size,
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mca_btl_self_component.free_list_num,
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mca_btl_self_component.free_list_max,
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mca_btl_self_component.free_list_inc,
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NULL );
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ompi_free_list_init_new( &mca_btl_self_component.self_frags_send,
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sizeof(mca_btl_self_frag_send_t) + mca_btl_self.btl_max_send_size,
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opal_cache_line_size,
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OBJ_CLASS(mca_btl_self_frag_send_t),
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0,opal_cache_line_size,
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mca_btl_self_component.free_list_num,
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mca_btl_self_component.free_list_max,
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mca_btl_self_component.free_list_inc,
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NULL );
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ompi_free_list_init_new( &mca_btl_self_component.self_frags_rdma,
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sizeof(mca_btl_self_frag_rdma_t),
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opal_cache_line_size,
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OBJ_CLASS(mca_btl_self_frag_rdma_t),
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0,opal_cache_line_size,
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mca_btl_self_component.free_list_num,
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mca_btl_self_component.free_list_max,
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mca_btl_self_component.free_list_inc,
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NULL );
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/* get pointer to the btls */
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btls[0] = (mca_btl_base_module_t *)(&mca_btl_self);
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return btls;
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}
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