StarPU Internal Handbook
copy_driver.h
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1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2008-2021 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4  *
5  * StarPU is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU Lesser General Public License as published by
7  * the Free Software Foundation; either version 2.1 of the License, or (at
8  * your option) any later version.
9  *
10  * StarPU is distributed in the hope that it will be useful, but
11  * WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13  *
14  * See the GNU Lesser General Public License in COPYING.LGPL for more details.
15  */
16 
17 #ifndef __COPY_DRIVER_H__
18 #define __COPY_DRIVER_H__
19 
22 #ifdef HAVE_AIO_H
23 #include <aio.h>
24 #endif
25 
26 #include <common/config.h>
27 #include <common/list.h>
28 
29 #ifdef STARPU_USE_CUDA
30 #include <cuda.h>
31 #include <cuda_runtime.h>
32 #endif
33 
34 #ifdef STARPU_USE_OPENCL
35 #include <starpu_opencl.h>
36 #endif
37 
38 #ifdef STARPU_USE_MPI_MASTER_SLAVE
39 #include <mpi.h>
40 #endif
41 
42 #ifdef __cplusplus
43 extern "C"
44 {
45 #endif
46 
47 struct _starpu_data_request;
49 
51 {
58  STARPU_NFETCH
59 };
60 
61 #ifdef STARPU_USE_MIC
66 {
67  unsigned memory_node;
68  int mark;
69  uint64_t *signal;
70 };
71 #endif
72 
73 #ifdef STARPU_USE_MPI_MASTER_SLAVE
74 LIST_TYPE(_starpu_mpi_ms_event_request,
75  MPI_Request request;
76 );
77 
78 struct _starpu_mpi_ms_async_event
79 {
80  int is_sender;
81  struct _starpu_mpi_ms_event_request_list * requests;
82 };
83 #endif
84 
86  void *backend_event;
87 );
88 
90 {
91  unsigned memory_node;
92  struct _starpu_disk_backend_event_list * requests;
93 
94  void * ptr;
95  unsigned node;
96  size_t size;
97  starpu_data_handle_t handle;
98 };
99 
103 {
104 #ifdef STARPU_SIMGRID
105  struct
106  {
107  unsigned finished;
108  starpu_pthread_queue_t *queue;
109  };
110 #endif
111 #ifdef STARPU_USE_CUDA
112  cudaEvent_t cuda_event;
113 #endif
114 #ifdef STARPU_USE_OPENCL
115  cl_event opencl_event;
116 #endif
117 #ifdef STARPU_USE_MPI_MASTER_SLAVE
118  struct _starpu_mpi_ms_async_event mpi_ms_event;
119 #endif
120 #ifdef STARPU_USE_MIC
121  struct _starpu_mic_async_event mic_event;
122 #endif
123  struct _starpu_disk_async_event disk_event;
124 };
125 
127 {
128  union _starpu_async_channel_event event;
129  struct _starpu_node_ops *node_ops;
131  struct _starpu_mp_node *polling_node_sender;
132  struct _starpu_mp_node *polling_node_receiver;
135  volatile int starpu_mp_common_finished_receiver;
136 };
137 
138 void _starpu_wake_all_blocked_workers_on_node(unsigned nodeid);
139 
140 int _starpu_driver_copy_data_1_to_1(starpu_data_handle_t handle,
141  struct _starpu_data_replicate *src_replicate,
142  struct _starpu_data_replicate *dst_replicate,
143  unsigned donotread,
144  struct _starpu_data_request *req,
145  unsigned may_alloc,
146  enum _starpu_is_prefetch prefetch);
147 
148 unsigned _starpu_driver_test_request_completion(struct _starpu_async_channel *async_channel);
149 void _starpu_driver_wait_request_completion(struct _starpu_async_channel *async_channel);
150 
151 #ifdef __cplusplus
152 }
153 #endif
154 
155 #endif // __COPY_DRIVER_H__
Definition: coherency.h:45
volatile int starpu_mp_common_finished_sender
Definition: copy_driver.h:134
_starpu_is_prefetch
Definition: copy_driver.h:51
@ STARPU_PREFETCH
Definition: copy_driver.h:55
@ STARPU_IDLEFETCH
Definition: copy_driver.h:57
@ STARPU_FETCH
Definition: copy_driver.h:53
struct _starpu_mp_node * polling_node_sender
Definition: copy_driver.h:131
Definition: copy_driver.h:127
Definition: copy_driver.h:90
Definition: copy_driver.h:85
Definition: copy_driver.h:66
Definition: copy_driver.h:103
Definition: node_ops.h:48