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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2011 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2009-2018 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2011-2015 Los Alamos National Security, LLC. All rights
* reserved.
* Copyright (c) 2011-2014 NVIDIA Corporation. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include <string.h>
#include "opal/mca/mpool/memkind/mpool_memkind.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "opal/mca/mpool/base/base.h"
size_t partition_page_sizes[MEMKIND_NUM_BASE_KIND] = {
4096, 4096, 2097152, 4096, 2097152, 2097152,
1073741824, 1073741824, 1073741824, 4096, 4096,
};
/*
* Initializes the mpool module.
*/
void mca_mpool_memkind_module_init(mca_mpool_memkind_module_t *mpool, int partition)
{
mpool->super.mpool_component = &mca_mpool_memkind_component.super;
mpool->super.mpool_alloc = mca_mpool_memkind_alloc;
mpool->super.mpool_realloc = mca_mpool_memkind_realloc;
mpool->super.mpool_free = mca_mpool_memkind_free;
mpool->super.flags = MCA_MPOOL_FLAGS_MPI_ALLOC_MEM;
memkind_get_kind_by_partition (partition, &mpool->kind);
mpool->page_size = partition_page_sizes[partition];
}
void* mca_mpool_memkind_alloc(
mca_mpool_base_module_t* mpool,
size_t size,
size_t align,
uint32_t flags)
{
mca_mpool_memkind_module_t *memkind_module = (mca_mpool_memkind_module_t *) mpool;
void *addr;
if (0 == align) {
align = memkind_module->page_size;
}
if ((errno = memkind_posix_memalign(memkind_module->kind, &addr, align, size))!= 0){
return NULL;
}
return addr;
}
void* mca_mpool_memkind_realloc(mca_mpool_base_module_t *mpool, void *addr,
size_t size)
{
mca_mpool_memkind_module_t *memkind_module = (mca_mpool_memkind_module_t *) mpool;
return memkind_realloc (memkind_module->kind, addr, size);
}
void mca_mpool_memkind_free(mca_mpool_base_module_t *mpool, void *addr)
{
mca_mpool_memkind_module_t *memkind_module = (mca_mpool_memkind_module_t *) mpool;
memkind_free(memkind_module->kind, addr);
}
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