StarPU Handbook - StarPU Applications
sc_hypervisor.h
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1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2011-2022 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 SC_HYPERVISOR_H
18 #define SC_HYPERVISOR_H
19 
20 #include <starpu.h>
22 #include <sc_hypervisor_config.h>
24 #include <math.h>
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
35 {
41  const char *name;
42 
46  unsigned custom;
47 
52  void (*size_ctxs)(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers);
53 
57  void (*resize_ctxs)(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers);
58 
63  void (*handle_idle_cycle)(unsigned sched_ctx, int worker);
64 
69  void (*handle_pushed_task)(unsigned sched_ctx, int worker);
70 
75  void (*handle_poped_task)(unsigned sched_ctx, int worker, struct starpu_task *task, uint32_t footprint);
76 
81  void (*handle_idle_end)(unsigned sched_ctx, int worker);
82 
87  void (*handle_post_exec_hook)(unsigned sched_ctx, int task_tag);
88 
93  void (*handle_submitted_job)(struct starpu_codelet *cl, unsigned sched_ctx, uint32_t footprint, size_t data_size);
94 
99  void (*end_ctx)(unsigned sched_ctx);
100 
105  void (*start_ctx)(unsigned sched_ctx);
106 
110  void (*init_worker)(int workerid, unsigned sched_ctx);
111 };
112 
144 extern starpu_pthread_mutex_t act_hypervisor_mutex;
145 
150 
159 
164 void sc_hypervisor_register_ctx(unsigned sched_ctx, double total_flops);
165 
170 void sc_hypervisor_unregister_ctx(unsigned sched_ctx);
171 
176 void sc_hypervisor_post_resize_request(unsigned sched_ctx, int task_tag);
177 
183 void sc_hypervisor_resize_ctxs(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers);
184 
188 void sc_hypervisor_stop_resize(unsigned sched_ctx);
189 
193 void sc_hypervisor_start_resize(unsigned sched_ctx);
194 
198 const char *sc_hypervisor_get_policy(void);
199 
203 void sc_hypervisor_add_workers_to_sched_ctx(int *workers_to_add, unsigned nworkers_to_add, unsigned sched_ctx);
204 
208 void sc_hypervisor_remove_workers_from_sched_ctx(int *workers_to_remove, unsigned nworkers_to_remove, unsigned sched_ctx, unsigned now);
209 
213 void sc_hypervisor_move_workers(unsigned sender_sched_ctx, unsigned receiver_sched_ctx, int *workers_to_move, unsigned nworkers_to_move, unsigned now);
214 
219 void sc_hypervisor_size_ctxs(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers);
220 
224 unsigned sc_hypervisor_get_size_req(unsigned **sched_ctxs, int *nsched_ctxs, int **workers, int *nworkers);
225 
229 void sc_hypervisor_save_size_req(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers);
230 
235 
239 unsigned sc_hypervisor_can_resize(unsigned sched_ctx);
240 
245 void sc_hypervisor_set_type_of_task(struct starpu_codelet *cl, unsigned sched_ctx, uint32_t footprint, size_t data_size);
246 
251 void sc_hypervisor_update_diff_total_flops(unsigned sched_ctx, double diff_total_flops);
252 
257 void sc_hypervisor_update_diff_elapsed_flops(unsigned sched_ctx, double diff_task_flops);
258 
262 void sc_hypervisor_update_resize_interval(unsigned *sched_ctxs, int nsched_ctxs, int max_nworkers);
263 
268 void sc_hypervisor_get_ctxs_on_level(unsigned **sched_ctxs, int *nsched_ctxs, unsigned hierarchy_level, unsigned father_sched_ctx_id);
269 
274 
278 void sc_hypervisor_get_leaves(unsigned *sched_ctxs, int nsched_ctxs, unsigned *leaves, int *nleaves);
279 
284 
285 void sc_hypervisor_print_overhead(void);
286 
287 void sc_hypervisor_init_worker(int workerid, unsigned sched_ctx);
288 
291 #ifdef __cplusplus
292 }
293 #endif
294 
295 #endif
unsigned sched_ctx
Definition: starpu_task.h:1293
Definition: starpu_task.h:317
Definition: starpu_task.h:662
void sc_hypervisor_get_leaves(unsigned *sched_ctxs, int nsched_ctxs, unsigned *leaves, int *nleaves)
void sc_hypervisor_shutdown(void)
void sc_hypervisor_unregister_ctx(unsigned sched_ctx)
unsigned sc_hypervisor_get_nhierarchy_levels(void)
unsigned sc_hypervisor_get_size_req(unsigned **sched_ctxs, int *nsched_ctxs, int **workers, int *nworkers)
void sc_hypervisor_remove_workers_from_sched_ctx(int *workers_to_remove, unsigned nworkers_to_remove, unsigned sched_ctx, unsigned now)
void sc_hypervisor_register_ctx(unsigned sched_ctx, double total_flops)
void sc_hypervisor_update_diff_total_flops(unsigned sched_ctx, double diff_total_flops)
void * sc_hypervisor_init(struct sc_hypervisor_policy *policy)
void sc_hypervisor_post_resize_request(unsigned sched_ctx, int task_tag)
void sc_hypervisor_free_size_req(void)
void sc_hypervisor_set_type_of_task(struct starpu_codelet *cl, unsigned sched_ctx, uint32_t footprint, size_t data_size)
void sc_hypervisor_resize_ctxs(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers)
void sc_hypervisor_update_resize_interval(unsigned *sched_ctxs, int nsched_ctxs, int max_nworkers)
double sc_hypervisor_get_nready_flops_of_all_sons_of_sched_ctx(unsigned sched_ctx)
void sc_hypervisor_add_workers_to_sched_ctx(int *workers_to_add, unsigned nworkers_to_add, unsigned sched_ctx)
void sc_hypervisor_save_size_req(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers)
void sc_hypervisor_stop_resize(unsigned sched_ctx)
void sc_hypervisor_get_ctxs_on_level(unsigned **sched_ctxs, int *nsched_ctxs, unsigned hierarchy_level, unsigned father_sched_ctx_id)
void sc_hypervisor_update_diff_elapsed_flops(unsigned sched_ctx, double diff_task_flops)
void sc_hypervisor_move_workers(unsigned sender_sched_ctx, unsigned receiver_sched_ctx, int *workers_to_move, unsigned nworkers_to_move, unsigned now)
void sc_hypervisor_size_ctxs(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers)
const char * sc_hypervisor_get_policy(void)
unsigned sc_hypervisor_can_resize(unsigned sched_ctx)
void sc_hypervisor_start_resize(unsigned sched_ctx)
starpu_pthread_mutex_t act_hypervisor_mutex
void(* handle_post_exec_hook)(unsigned sched_ctx, int task_tag)
Definition: sc_hypervisor.h:87
void(* handle_idle_cycle)(unsigned sched_ctx, int worker)
Definition: sc_hypervisor.h:63
void(* init_worker)(int workerid, unsigned sched_ctx)
Definition: sc_hypervisor.h:110
void(* handle_pushed_task)(unsigned sched_ctx, int worker)
Definition: sc_hypervisor.h:69
void(* resize_ctxs)(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers)
Definition: sc_hypervisor.h:57
void(* size_ctxs)(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers)
Definition: sc_hypervisor.h:52
void(* handle_idle_end)(unsigned sched_ctx, int worker)
Definition: sc_hypervisor.h:81
void(* handle_poped_task)(unsigned sched_ctx, int worker, struct starpu_task *task, uint32_t footprint)
Definition: sc_hypervisor.h:75
void(* end_ctx)(unsigned sched_ctx)
Definition: sc_hypervisor.h:99
const char * name
Definition: sc_hypervisor.h:41
unsigned custom
Definition: sc_hypervisor.h:46
void(* handle_submitted_job)(struct starpu_codelet *cl, unsigned sched_ctx, uint32_t footprint, size_t data_size)
Definition: sc_hypervisor.h:93
void(* start_ctx)(unsigned sched_ctx)
Definition: sc_hypervisor.h:105
Definition: sc_hypervisor.h:35