84 строки
2.8 KiB
C
84 строки
2.8 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2004-2011 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) 2009-2012 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2011-2015 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2011-2014 NVIDIA Corporation. 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 "opal_config.h"
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#include <string.h>
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#include "opal/mca/mpool/memkind/mpool_memkind.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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#include "opal/mca/mpool/base/base.h"
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size_t partition_page_sizes[MEMKIND_NUM_BASE_KIND] = {
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4096, 4069, 2097152, 4096, 2097152, 2097152,
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1073741824, 1073741824, 1073741824, 4096, 4096,
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};
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/*
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* Initializes the mpool module.
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*/
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void mca_mpool_memkind_module_init(mca_mpool_memkind_module_t *mpool, int partition)
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{
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mpool->super.mpool_component = &mca_mpool_memkind_component.super;
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mpool->super.mpool_alloc = mca_mpool_memkind_alloc;
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mpool->super.mpool_realloc = mca_mpool_memkind_realloc;
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mpool->super.mpool_free = mca_mpool_memkind_free;
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mpool->super.flags = MCA_MPOOL_FLAGS_MPI_ALLOC_MEM;
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memkind_get_kind_by_partition (partition, &mpool->kind);
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mpool->page_size = partition_page_sizes[partition];
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}
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void* mca_mpool_memkind_alloc(
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mca_mpool_base_module_t* mpool,
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size_t size,
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size_t align,
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uint32_t flags)
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{
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mca_mpool_memkind_module_t *memkind_module = (mca_mpool_memkind_module_t *) mpool;
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void *addr;
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if (0 == align) {
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align = memkind_module->page_size;
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}
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if ((errno = memkind_posix_memalign(memkind_module->kind, &addr, align, size))!= 0){
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return NULL;
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}
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return addr;
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}
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void* mca_mpool_memkind_realloc(mca_mpool_base_module_t *mpool, void *addr,
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size_t size)
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{
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mca_mpool_memkind_module_t *memkind_module = (mca_mpool_memkind_module_t *) mpool;
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return memkind_realloc (memkind_module->kind, addr, size);
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}
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void mca_mpool_memkind_free(mca_mpool_base_module_t *mpool, void *addr)
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{
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mca_mpool_memkind_module_t *memkind_module = (mca_mpool_memkind_module_t *) mpool;
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memkind_free(memkind_module->kind, addr);
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}
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