StarPU Handbook
starpu_data.h
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1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2009-2020 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 __STARPU_DATA_H__
18 #define __STARPU_DATA_H__
19 
20 #include <starpu.h>
21 
22 #ifdef __cplusplus
23 extern "C"
24 {
25 #endif
26 
35 struct _starpu_data_state;
44 typedef struct _starpu_data_state* starpu_data_handle_t;
45 
55 {
57  STARPU_R=(1<<0),
58  STARPU_W=(1<<1),
60  STARPU_SCRATCH=(1<<2),
85  STARPU_REDUX=(1<<3),
86  STARPU_COMMUTE=(1<<4),
96  STARPU_SSEND=(1<<5),
101  STARPU_LOCALITY=(1<<6),
113  STARPU_ACCESS_MODE_MAX=(1<<7)
114 };
115 
117 
122 
128 void starpu_data_set_coordinates_array(starpu_data_handle_t handle, unsigned dimensions, int dims[]);
129 
135 void starpu_data_set_coordinates(starpu_data_handle_t handle, unsigned dimensions, ...);
136 
143 unsigned starpu_data_get_coordinates_array(starpu_data_handle_t handle, unsigned dimensions, int dims[]);
144 
156 
163 
175 
183 
189 
194 void starpu_data_advise_as_important(starpu_data_handle_t handle, unsigned is_important);
195 
207 #define STARPU_ACQUIRE_NO_NODE -1
208 
214 #define STARPU_ACQUIRE_NO_NODE_LOCK_ALL -2
215 
236 
244 
257 int starpu_data_acquire_cb(starpu_data_handle_t handle, enum starpu_data_access_mode mode, void (*callback)(void *), void *arg);
258 
266 int starpu_data_acquire_on_node_cb(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode, void (*callback)(void *), void *arg);
267 
282 int starpu_data_acquire_cb_sequential_consistency(starpu_data_handle_t handle, enum starpu_data_access_mode mode, void (*callback)(void *), void *arg, int sequential_consistency);
283 
291 int starpu_data_acquire_on_node_cb_sequential_consistency(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode, void (*callback)(void *), void *arg, int sequential_consistency);
292 
293 int starpu_data_acquire_on_node_cb_sequential_consistency_quick(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode, void (*callback)(void *), void *arg, int sequential_consistency, int quick);
294 
302 int starpu_data_acquire_on_node_cb_sequential_consistency_sync_jobids(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode, void (*callback)(void *), void *arg, int sequential_consistency, int quick, long *pre_sync_jobid, long *post_sync_jobid);
303 
314 
323 
324 #ifdef __GCC__
325 
334 # define STARPU_DATA_ACQUIRE_CB(handle, mode, code) do \
335  { \ \
336  void callback(void *arg) \
337  { \
338  code; \
339  starpu_data_release(handle); \
340  } \
341  starpu_data_acquire_cb(handle, mode, callback, NULL); \
342  } \
343  while(0)
344 #endif
345 
352 
360 
368 typedef struct starpu_arbiter *starpu_arbiter_t;
369 
375 
380 
386 
392 
402 int starpu_data_fetch_on_node(starpu_data_handle_t handle, unsigned node, unsigned async);
403 
413 int starpu_data_prefetch_on_node(starpu_data_handle_t handle, unsigned node, unsigned async);
414 
415 int starpu_data_prefetch_on_node_prio(starpu_data_handle_t handle, unsigned node, unsigned async, int prio);
416 
425 int starpu_data_idle_prefetch_on_node(starpu_data_handle_t handle, unsigned node, unsigned async);
426 int starpu_data_idle_prefetch_on_node_prio(starpu_data_handle_t handle, unsigned node, unsigned async, int prio);
427 
432 unsigned starpu_data_is_on_node(starpu_data_handle_t handle, unsigned node);
433 
441 
451 void starpu_data_set_wt_mask(starpu_data_handle_t handle, uint32_t wt_mask);
452 
474 
479 
484 
495 
502 void starpu_data_set_ooc_flag(starpu_data_handle_t handle, unsigned flag);
508 
512 void starpu_data_query_status(starpu_data_handle_t handle, int memory_node, int *is_allocated, int *is_valid, int *is_requested);
513 
514 struct starpu_codelet;
515 
523 
524 struct starpu_data_interface_ops* starpu_data_get_interface_ops(starpu_data_handle_t handle);
525 
526 unsigned starpu_data_test_if_allocated_on_node(starpu_data_handle_t handle, unsigned memory_node);
527 
528 void starpu_memchunk_tidy(unsigned memory_node);
529 
536 void starpu_data_set_user_data(starpu_data_handle_t handle, void* user_data);
537 
542 
545 #ifdef __cplusplus
546 }
547 #endif
548 
549 #endif /* __STARPU_DATA_H__ */
Definition: starpu_task.h:250
char * name
Definition: starpu_data_interfaces.h:556
Definition: starpu_data_interfaces.h:366
void starpu_data_set_user_data(starpu_data_handle_t handle, void *user_data)
void starpu_data_invalidate_submit(starpu_data_handle_t handle)
void starpu_data_set_default_sequential_consistency_flag(unsigned flag)
void starpu_data_set_reduction_methods(starpu_data_handle_t handle, struct starpu_codelet *redux_cl, struct starpu_codelet *init_cl)
starpu_data_access_mode
Definition: starpu_data.h:55
void starpu_data_set_sequential_consistency_flag(starpu_data_handle_t handle, unsigned flag)
void starpu_arbiter_destroy(starpu_arbiter_t arbiter)
int starpu_data_acquire_cb(starpu_data_handle_t handle, enum starpu_data_access_mode mode, void(*callback)(void *), void *arg)
int starpu_data_acquire_on_node(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode)
void starpu_data_invalidate(starpu_data_handle_t handle)
void starpu_data_unregister_submit(starpu_data_handle_t handle)
int starpu_data_prefetch_on_node(starpu_data_handle_t handle, unsigned node, unsigned async)
void starpu_data_unregister(starpu_data_handle_t handle)
void starpu_data_release_on_node(starpu_data_handle_t handle, int node)
int starpu_data_acquire_cb_sequential_consistency(starpu_data_handle_t handle, enum starpu_data_access_mode mode, void(*callback)(void *), void *arg, int sequential_consistency)
int starpu_data_acquire_on_node_try(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode)
unsigned starpu_data_get_ooc_flag(starpu_data_handle_t handle)
starpu_arbiter_t starpu_arbiter_create(void) STARPU_ATTRIBUTE_MALLOC
unsigned starpu_data_get_coordinates_array(starpu_data_handle_t handle, unsigned dimensions, int dims[])
void starpu_data_set_ooc_flag(starpu_data_handle_t handle, unsigned flag)
unsigned starpu_data_is_on_node(starpu_data_handle_t handle, unsigned node)
int starpu_data_acquire_on_node_cb(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode, void(*callback)(void *), void *arg)
int starpu_data_acquire_try(starpu_data_handle_t handle, enum starpu_data_access_mode mode)
void starpu_data_query_status(starpu_data_handle_t handle, int memory_node, int *is_allocated, int *is_valid, int *is_requested)
void starpu_data_assign_arbiter(starpu_data_handle_t handle, starpu_arbiter_t arbiter)
int starpu_data_fetch_on_node(starpu_data_handle_t handle, unsigned node, unsigned async)
void starpu_data_set_coordinates_array(starpu_data_handle_t handle, unsigned dimensions, int dims[])
void starpu_data_unregister_no_coherency(starpu_data_handle_t handle)
void starpu_data_set_name(starpu_data_handle_t handle, const char *name)
void starpu_data_set_coordinates(starpu_data_handle_t handle, unsigned dimensions,...)
struct starpu_arbiter * starpu_arbiter_t
Definition: starpu_data.h:368
int starpu_data_request_allocation(starpu_data_handle_t handle, unsigned node)
unsigned starpu_data_get_sequential_consistency_flag(starpu_data_handle_t handle)
int starpu_data_idle_prefetch_on_node(starpu_data_handle_t handle, unsigned node, unsigned async)
struct _starpu_data_state * starpu_data_handle_t
Definition: starpu_data.h:44
void starpu_data_release(starpu_data_handle_t handle)
int starpu_data_acquire_on_node_cb_sequential_consistency_sync_jobids(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode, void(*callback)(void *), void *arg, int sequential_consistency, int quick, long *pre_sync_jobid, long *post_sync_jobid)
void starpu_data_set_wt_mask(starpu_data_handle_t handle, uint32_t wt_mask)
int starpu_data_acquire(starpu_data_handle_t handle, enum starpu_data_access_mode mode)
void * starpu_data_get_user_data(starpu_data_handle_t handle)
void starpu_data_advise_as_important(starpu_data_handle_t handle, unsigned is_important)
unsigned starpu_data_get_default_sequential_consistency_flag(void)
int starpu_data_acquire_on_node_cb_sequential_consistency(starpu_data_handle_t handle, int node, enum starpu_data_access_mode mode, void(*callback)(void *), void *arg, int sequential_consistency)
void starpu_data_wont_use(starpu_data_handle_t handle)
@ STARPU_SCRATCH
Definition: starpu_data.h:60
@ STARPU_ACCESS_MODE_MAX
Definition: starpu_data.h:113
@ STARPU_SSEND
Definition: starpu_data.h:96
@ STARPU_W
Definition: starpu_data.h:58
@ STARPU_RW
Definition: starpu_data.h:59
@ STARPU_REDUX
Definition: starpu_data.h:85
@ STARPU_R
Definition: starpu_data.h:57
@ STARPU_COMMUTE
Definition: starpu_data.h:86
@ STARPU_LOCALITY
Definition: starpu_data.h:101
@ STARPU_NONE
Definition: starpu_data.h:56
#define STARPU_ATTRIBUTE_MALLOC
Definition: starpu_util.h:112