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copy_driver.h
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/* StarPU --- Runtime system for heterogeneous multicore architectures.
*
* Copyright (C) 2008-2022 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
* Copyright (C) 2021 Federal University of Rio Grande do Sul (UFRGS)
*
* StarPU is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or (at
* your option) any later version.
*
* StarPU is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* See the GNU Lesser General Public License in COPYING.LGPL for more details.
*/
#ifndef __COPY_DRIVER_H__
#define __COPY_DRIVER_H__
#ifdef HAVE_AIO_H
#include <aio.h>
#endif
#include <common/config.h>
#include <common/list.h>
#pragma GCC visibility push(hidden)
#ifdef __cplusplus
extern "C"
{
#endif
struct _starpu_data_request;
struct _starpu_data_replicate;
enum _starpu_may_alloc
{
_STARPU_DATAWIZARD_DO_NOT_ALLOC,
_STARPU_DATAWIZARD_DO_ALLOC,
_STARPU_DATAWIZARD_ONLY_FAST_ALLOC
};
LIST_TYPE(_starpu_disk_backend_event,
void *backend_event;
);
struct _starpu_disk_event
{
unsigned memory_node;
unsigned node;
struct _starpu_disk_backend_event_list * requests;
void * ptr;
size_t size;
starpu_data_handle_t handle;
};
union _starpu_async_channel_event
{
char data[40];
};
struct _starpu_async_channel
{
union _starpu_async_channel_event event;
const struct _starpu_node_ops *node_ops;
struct _starpu_mp_node *polling_node_sender;
struct _starpu_mp_node *polling_node_receiver;
volatile int starpu_mp_common_finished_sender;
volatile int starpu_mp_common_finished_receiver;
};
void _starpu_wake_all_blocked_workers_on_node(unsigned nodeid);
int _starpu_driver_copy_data_1_to_1(starpu_data_handle_t handle,
struct _starpu_data_replicate *src_replicate,
struct _starpu_data_replicate *dst_replicate,
unsigned donotread,
struct _starpu_data_request *req,
enum _starpu_may_alloc may_alloc,
enum starpu_is_prefetch prefetch);
int _starpu_copy_interface_any_to_any(starpu_data_handle_t handle, void *src_interface, unsigned src_node, void *dst_interface, unsigned dst_node, struct _starpu_data_request *req);
unsigned _starpu_driver_test_request_completion(struct _starpu_async_channel *async_channel);
void _starpu_driver_wait_request_completion(struct _starpu_async_channel *async_channel);
#ifdef __cplusplus
}
#endif
#pragma GCC visibility pop
#endif // __COPY_DRIVER_H__
_starpu_data_replicate
Definition coherency.h:47
_starpu_async_channel::starpu_mp_common_finished_sender
volatile int starpu_mp_common_finished_sender
Definition copy_driver.h:78
_starpu_async_channel::polling_node_sender
struct _starpu_mp_node * polling_node_sender
Definition copy_driver.h:75
_starpu_async_channel
Definition copy_driver.h:71
_starpu_disk_backend_event
Definition copy_driver.h:48
_starpu_disk_event
Definition copy_driver.h:53
_starpu_async_channel_event
Definition copy_driver.h:66
list.h
_starpu_node_ops
Definition node_ops.h:92