StarPU Internal Handbook
starpurm_private.h
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1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2017-2021 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 __STARPURM_PRIVATE_H
18 #define __STARPURM_PRIVATE_H
19 
22 enum e_state
23 {
24  state_uninitialized = 0,
25  state_init
26 };
27 
28 enum e_starpurm_unit_type
29 {
30  starpurm_unit_cpu = 0,
31  starpurm_unit_opencl = 1,
32  starpurm_unit_cuda = 2,
33  starpurm_unit_mic = 3,
34  starpurm_unit_ntypes = 4
35 };
36 
37 struct s_starpurm
38 {
40  hwloc_topology_t topology;
41 
43  unsigned max_ncpus;
44 
46  unsigned selected_ncpus;
47 
50 
52  int state;
53 
60 
62  unsigned sched_ctx_id;
63 
66 
69 
71  int nunits;
72 
75 
77  struct s_starpurm_unit *units;
78 
80  hwloc_cpuset_t global_cpuset;
81 
83  hwloc_cpuset_t all_cpu_workers_cpuset;
84 
87 
90 
93 
95  hwloc_cpuset_t all_device_workers_cpuset;
96 
98  hwloc_cpuset_t selected_cpuset;
99 
102 
105 
108 
110  unsigned int max_temporary_ctxs;
111  unsigned int avail_temporary_ctxs;
112  pthread_mutex_t temporary_ctxs_mutex;
113  pthread_cond_t temporary_ctxs_cond;
114 
117 
119  pthread_t event_thread;
120  pthread_mutex_t event_list_mutex;
121  pthread_cond_t event_list_cond;
122  pthread_cond_t event_processing_cond;
123  int event_processing_enabled;
124  int event_processing_ended;
125  struct s_starpurm_event *event_list_head;
126  struct s_starpurm_event *event_list_tail;
127 };
128 
129 
130 #ifdef STARPURM_HAVE_DLB
131 void starpurm_dlb_init(struct s_starpurm *rm);
132 void starpurm_dlb_exit(void);
133 int starpurm_dlb_notify_starpu_worker_mask_going_to_sleep(const hwloc_cpuset_t hwloc_workers_cpuset);
134 int starpurm_dlb_notify_starpu_worker_mask_waking_up(const hwloc_cpuset_t hwloc_workers_cpuset);
135 #ifdef STARPURM_STARPU_HAVE_WORKER_CALLBACKS
136 void starpurm_enqueue_event_cpu_unit_available(int cpuid);
137 #endif
138 #endif
139 
140 #endif /* __STARPURM_PRIVATE_H */
hwloc_cpuset_t all_device_workers_cpuset
Definition: starpurm_private.h:95
struct s_starpurm_unit * units
Definition: starpurm_private.h:77
int max_worker_id
Definition: starpurm_private.h:104
hwloc_cpuset_t all_cuda_device_workers_cpuset
Definition: starpurm_private.h:89
hwloc_topology_t topology
Definition: starpurm_private.h:40
unsigned selected_nworkers
Definition: starpurm_private.h:49
hwloc_cpuset_t global_cpuset
Definition: starpurm_private.h:80
int dynamic_resource_sharing
Definition: starpurm_private.h:59
hwloc_cpuset_t initially_owned_cpuset_mask
Definition: starpurm_private.h:101
int * nunits_by_type
Definition: starpurm_private.h:68
int state
Definition: starpurm_private.h:52
int * worker_unit_ids
Definition: starpurm_private.h:107
int unit_ntypes
Definition: starpurm_private.h:65
hwloc_cpuset_t all_cpu_workers_cpuset
Definition: starpurm_private.h:83
int starpu_in_pause
Definition: starpurm_private.h:116
hwloc_cpuset_t selected_cpuset
Definition: starpurm_private.h:98
unsigned max_ncpus
Definition: starpurm_private.h:43
int nunits
Definition: starpurm_private.h:71
pthread_t event_thread
Definition: starpurm_private.h:119
hwloc_cpuset_t all_opencl_device_workers_cpuset
Definition: starpurm_private.h:86
int * unit_offsets_by_type
Definition: starpurm_private.h:74
unsigned int max_temporary_ctxs
Definition: starpurm_private.h:110
hwloc_cpuset_t all_mic_device_workers_cpuset
Definition: starpurm_private.h:92
unsigned sched_ctx_id
Definition: starpurm_private.h:62
unsigned selected_ncpus
Definition: starpurm_private.h:46
Definition: starpurm_private.h:38