StarPU Internal Handbook
fifo_queues.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  * Copyright (C) 2016 Uppsala University
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 /* FIFO queues, ready for use by schedulers */
19 
20 #ifndef __FIFO_QUEUES_H__
21 #define __FIFO_QUEUES_H__
22 
25 #include <starpu.h>
26 #include <core/task.h>
27 
29 {
31  struct starpu_task_list taskq;
32 
34  unsigned ntasks;
35 
38 
40  unsigned nprocessed;
41 
43  double exp_start;
46  double exp_end;
47  double exp_len;
49  double pipeline_len;
50 };
51 
52 struct _starpu_fifo_taskq*_starpu_create_fifo(void) STARPU_ATTRIBUTE_MALLOC;
53 void _starpu_destroy_fifo(struct _starpu_fifo_taskq *fifo);
54 
55 int _starpu_fifo_empty(struct _starpu_fifo_taskq *fifo);
56 
57 double _starpu_fifo_get_exp_len_prev_task_list(struct _starpu_fifo_taskq *fifo_queue, struct starpu_task *task,
58  int workerid, int nimpl, int *fifo_ntasks);
59 
60 int _starpu_fifo_push_sorted_task(struct _starpu_fifo_taskq *fifo_queue, struct starpu_task *task);
61 
62 int _starpu_fifo_push_task(struct _starpu_fifo_taskq *fifo, struct starpu_task *task);
63 int _starpu_fifo_push_back_task(struct _starpu_fifo_taskq *fifo_queue, struct starpu_task *task);
64 
65 int _starpu_fifo_pop_this_task(struct _starpu_fifo_taskq *fifo_queue, int workerid, struct starpu_task *task);
66 struct starpu_task *_starpu_fifo_pop_task(struct _starpu_fifo_taskq *fifo, int workerid);
67 struct starpu_task *_starpu_fifo_pop_local_task(struct _starpu_fifo_taskq *fifo);
68 struct starpu_task *_starpu_fifo_pop_every_task(struct _starpu_fifo_taskq *fifo, int workerid);
69 int _starpu_normalize_prio(int priority, int num_priorities, unsigned sched_ctx_id);
70 int _starpu_count_non_ready_buffers(struct starpu_task *task, unsigned worker);
71 size_t _starpu_size_non_ready_buffers(struct starpu_task *task, unsigned worker);
72 struct starpu_task *_starpu_fifo_pop_first_ready_task(struct _starpu_fifo_taskq *fifo_queue, unsigned workerid, int num_priorities);
73 
74 #endif // __FIFO_QUEUES_H__
double exp_len
Definition: fifo_queues.h:47
unsigned * ntasks_per_priority
Definition: fifo_queues.h:37
double exp_start
Definition: fifo_queues.h:43
unsigned nprocessed
Definition: fifo_queues.h:40
double * exp_len_per_priority
Definition: fifo_queues.h:48
double exp_end
Definition: fifo_queues.h:46
unsigned ntasks
Definition: fifo_queues.h:34
double pipeline_len
Definition: fifo_queues.h:49
struct starpu_task_list taskq
Definition: fifo_queues.h:31
Definition: fifo_queues.h:29