dadca7da88
This merge adds Checkpoint/Restart support to Open MPI. The initial frameworks and components support a LAM/MPI-like implementation. This commit follows the risk assessment presented to the Open MPI core development group on Feb. 22, 2007. This commit closes trac:158 More details to follow. This commit was SVN r14051. The following SVN revisions from the original message are invalid or inconsistent and therefore were not cross-referenced: r13912 The following Trac tickets were found above: Ticket 158 --> https://svn.open-mpi.org/trac/ompi/ticket/158
134 строки
4.3 KiB
C
134 строки
4.3 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) 2004-2005 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 "ompi_config.h"
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#include "ompi/mca/allocator/allocator.h"
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#include "ompi/constants.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "ompi/mca/allocator/bucket/allocator_bucket_alloc.h"
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#include "ompi/mca/mpool/mpool.h"
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struct mca_allocator_base_module_t* mca_allocator_bucket_module_init(
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bool enable_mpi_threads,
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mca_allocator_base_component_segment_alloc_fn_t segment_alloc,
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mca_allocator_base_component_segment_free_fn_t segment_free,
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struct mca_mpool_base_module_t* mpool
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);
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int mca_allocator_bucket_module_open(void);
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int mca_allocator_bucket_module_close(void);
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void * mca_allocator_bucket_alloc_wrapper(
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struct mca_allocator_base_module_t* allocator,
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size_t size, size_t align,
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mca_mpool_base_registration_t** registration);
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static int mca_allocator_num_buckets;
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int mca_allocator_bucket_finalize(struct mca_allocator_base_module_t* allocator)
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{
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mca_allocator_bucket_cleanup(allocator);
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free(allocator);
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return(OMPI_SUCCESS);
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}
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struct mca_allocator_base_module_t* mca_allocator_bucket_module_init(
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bool enable_mpi_threads,
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mca_allocator_base_component_segment_alloc_fn_t segment_alloc,
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mca_allocator_base_component_segment_free_fn_t segment_free,
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struct mca_mpool_base_module_t* mpool)
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{
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size_t alloc_size = sizeof(mca_allocator_bucket_t);
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mca_allocator_bucket_t * retval;
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mca_allocator_bucket_t * allocator = (mca_allocator_bucket_t *) malloc(alloc_size);
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if(NULL == allocator) {
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return(NULL);
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}
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retval = mca_allocator_bucket_init((mca_allocator_base_module_t *) allocator,
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mca_allocator_num_buckets,
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segment_alloc,
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segment_free);
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if(NULL == retval) {
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free(allocator);
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return(NULL);
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}
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allocator->super.alc_alloc = mca_allocator_bucket_alloc_wrapper;
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allocator->super.alc_realloc = mca_allocator_bucket_realloc;
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allocator->super.alc_free = mca_allocator_bucket_free;
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allocator->super.alc_compact = mca_allocator_bucket_cleanup;
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allocator->super.alc_finalize = mca_allocator_bucket_finalize;
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allocator->super.alc_mpool = mpool;
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return((mca_allocator_base_module_t *) allocator);
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}
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int mca_allocator_bucket_module_open(void) {
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int id = mca_base_param_register_int("allocator","bucket","num_buckets", NULL,30);
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mca_base_param_lookup_int(id,&mca_allocator_num_buckets);
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return(OMPI_SUCCESS);
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}
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int mca_allocator_bucket_module_close(void) {
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return(OMPI_SUCCESS);
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}
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void * mca_allocator_bucket_alloc_wrapper(
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struct mca_allocator_base_module_t* allocator,
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size_t size,
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size_t align,
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mca_mpool_base_registration_t** registration)
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{
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if(0 == align){
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return(mca_allocator_bucket_alloc(allocator, size, registration));
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}
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return(mca_allocator_bucket_alloc_align(allocator, size, align, registration));
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}
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mca_allocator_base_component_t mca_allocator_bucket_component = {
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/* First, the mca_base_module_t struct containing meta information
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about the module itself */
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{
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/* Indicate that we are a allocator v1.0.0 module (which also implies a
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specific MCA version) */
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MCA_ALLOCATOR_BASE_VERSION_1_0_0,
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"bucket", /* MCA module name */
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1, /* MCA module major version */
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0, /* MCA module minor version */
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0, /* MCA module release version */
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mca_allocator_bucket_module_open, /* module open */
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mca_allocator_bucket_module_close /* module close */
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},
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/* Next the MCA v1.0.0 module meta data */
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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_allocator_bucket_module_init
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};
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