StarPU Handbook

starpu_heteroprio.h
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1/* StarPU --- Runtime system for heterogeneous multicore architectures.
2 *
3 * Copyright (C) 2015-2021 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 __STARPU_SCHEDULER_HETEROPRIO_H__
18#define __STARPU_SCHEDULER_HETEROPRIO_H__
19
20#include <starpu.h>
21
22#ifdef __cplusplus
23 extern "C"
24{
25#endif
26
27#define STARPU_HETEROPRIO_MAX_PRIO 100
28/* #define STARPU_NB_TYPES 3 */
29/* #define STARPU_CPU_IDX 0 */
30/* #define STARPU_CUDA_IDX 1 */
31/* #define STARPU_OPENCL_IDX 2 */
32
33#define STARPU_HETEROPRIO_MAX_PREFETCH 2
34#if STARPU_HETEROPRIO_MAX_PREFETCH <= 0
35#error STARPU_HETEROPRIO_MAX_PREFETCH == 1 means no prefetch so STARPU_HETEROPRIO_MAX_PREFETCH must >= 1
36#endif
37
38 enum starpu_heteroprio_types
39{
40// First will be zero
41 STARPU_CPU_IDX, // = 0
42 STARPU_CUDA_IDX,
43 STARPU_OPENCL_IDX,
44 STARPU_MIC_IDX,
45 STARPU_MPI_MS_IDX,
46// This will be the number of archs
47 STARPU_NB_TYPES
48};
49
50 static const unsigned starpu_heteroprio_types_to_arch[STARPU_NB_TYPES+1] =
51{
52 STARPU_CPU,
53 STARPU_CUDA,
54 STARPU_OPENCL,
55 STARPU_MIC,
56 STARPU_MPI_MS,
57 0
58};
59
61 void starpu_heteroprio_set_nb_prios(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned max_prio);
62
64 void starpu_heteroprio_set_mapping(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned source_prio, unsigned dest_bucket_id);
65
67 void starpu_heteroprio_set_faster_arch(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned bucket_id);
68
70 void starpu_heteroprio_set_arch_slow_factor(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned bucket_id, float slow_factor);
71
72#ifdef __cplusplus
73}
74#endif
75
76#endif /* __STARPU_SCHEDULER_HETEROPRIO_H__ */
STARPU_MPI_MS
#define STARPU_MPI_MS
Definition: starpu_task.h:83
STARPU_CUDA
#define STARPU_CUDA
Definition: starpu_task.h:62
STARPU_MIC
#define STARPU_MIC
Definition: starpu_task.h:76
STARPU_OPENCL
#define STARPU_OPENCL
Definition: starpu_task.h:69
STARPU_CPU
#define STARPU_CPU
Definition: starpu_task.h:55
starpu.h
starpu_heteroprio_set_mapping
void starpu_heteroprio_set_mapping(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned source_prio, unsigned dest_bucket_id)
starpu_heteroprio_set_faster_arch
void starpu_heteroprio_set_faster_arch(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned bucket_id)
starpu_heteroprio_set_nb_prios
void starpu_heteroprio_set_nb_prios(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned max_prio)
starpu_heteroprio_set_arch_slow_factor
void starpu_heteroprio_set_arch_slow_factor(unsigned sched_ctx_id, enum starpu_heteroprio_types arch, unsigned bucket_id, float slow_factor)