StarPU Handbook - StarPU Language Bindings
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starpu_disk.h
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1/* StarPU --- Runtime system for heterogeneous multicore architectures.
2 *
3 * Copyright (C) 2013-2021 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4 * Copyright (C) 2013 Corentin Salingue
5 *
6 * StarPU is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU Lesser General Public License as published by
8 * the Free Software Foundation; either version 2.1 of the License, or (at
9 * your option) any later version.
10 *
11 * StarPU is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14 *
15 * See the GNU Lesser General Public License in COPYING.LGPL for more details.
16 */
17
18#ifndef __STARPU_DISK_H__
19#define __STARPU_DISK_H__
20
21#include <sys/types.h>
22#include <starpu_config.h>
23
33{
38 void *(*plug)(void *parameter, starpu_ssize_t size);
42 void (*unplug)(void *base);
43
48 int (*bandwidth)(unsigned node, void *base);
49
53 void *(*alloc)(void *base, size_t size);
54
58 void (*free)(void *base, void *obj, size_t size);
59
63 void *(*open)(void *base, void *pos, size_t size);
67 void (*close)(void *base, void *obj, size_t size);
68
73 int (*read)(void *base, void *obj, void *buf, off_t offset, size_t size);
77 int (*write)(void *base, void *obj, const void *buf, off_t offset, size_t size);
78
82 int (*full_read)(void *base, void *obj, void **ptr, size_t *size, unsigned dst_node);
87 int (*full_write)(void *base, void *obj, void *ptr, size_t size);
88
94 void *(*async_write)(void *base, void *obj, void *buf, off_t offset, size_t size);
100 void *(*async_read)(void *base, void *obj, void *buf, off_t offset, size_t size);
101
105 void *(*async_full_read)(void *base, void *obj, void **ptr, size_t *size, unsigned dst_node);
110 void *(*async_full_write)(void *base, void *obj, void *ptr, size_t size);
111
118 void *(*copy)(void *base_src, void *obj_src, off_t offset_src, void *base_dst, void *obj_dst, off_t offset_dst, size_t size);
119
124 void (*wait_request)(void *async_channel);
129 int (*test_request)(void *async_channel);
130
134 void (*free_request)(void *async_channel);
135
136 /* TODO: readv, writev, read2d, write2d, etc. */
137};
138
147
158
165
174
180
184void starpu_disk_close(unsigned node, void *obj, size_t size);
185
192void *starpu_disk_open(unsigned node, void *pos, size_t size);
193
206int starpu_disk_register(struct starpu_disk_ops *func, void *parameter, starpu_ssize_t size);
207
212#define STARPU_DISK_SIZE_MIN (16 * 1024 * 1024)
213
218extern int starpu_disk_swap_node;
219
222#endif /* __STARPU_DISK_H__ */
void(* close)(void *base, void *obj, size_t size)
Definition starpu_disk.h:67
int(* read)(void *base, void *obj, void *buf, off_t offset, size_t size)
Definition starpu_disk.h:73
void(* free)(void *base, void *obj, size_t size)
Definition starpu_disk.h:58
int(* full_write)(void *base, void *obj, void *ptr, size_t size)
Definition starpu_disk.h:87
int(* test_request)(void *async_channel)
Definition starpu_disk.h:129
int(* bandwidth)(unsigned node, void *base)
Definition starpu_disk.h:48
int(* full_read)(void *base, void *obj, void **ptr, size_t *size, unsigned dst_node)
Definition starpu_disk.h:82
void(* unplug)(void *base)
Definition starpu_disk.h:42
void(* free_request)(void *async_channel)
Definition starpu_disk.h:134
void(* wait_request)(void *async_channel)
Definition starpu_disk.h:124
int(* write)(void *base, void *obj, const void *buf, off_t offset, size_t size)
Definition starpu_disk.h:77
struct starpu_disk_ops starpu_disk_stdio_ops
struct starpu_disk_ops starpu_disk_unistd_o_direct_ops
void starpu_disk_close(unsigned node, void *obj, size_t size)
struct starpu_disk_ops starpu_disk_unistd_ops
int starpu_disk_swap_node
int starpu_disk_register(struct starpu_disk_ops *func, void *parameter, starpu_ssize_t size)
struct starpu_disk_ops starpu_disk_leveldb_ops
struct starpu_disk_ops starpu_disk_hdf5_ops
void * starpu_disk_open(unsigned node, void *pos, size_t size)
Definition starpu_disk.h:33