StarPU Handbook
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sc_hypervisor.h
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1/* StarPU --- Runtime system for heterogeneous multicore architectures.
2 *
3 * Copyright (C) 2011-2021 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 SC_HYPERVISOR_H
18#define SC_HYPERVISOR_H
19
20#include <starpu.h>
24#include <math.h>
25
26#ifdef __cplusplus
27extern "C"
28{
29#endif
30
36{
42 const char* name;
43
47 unsigned custom;
48
53 void (*size_ctxs)(unsigned *sched_ctxs, int nsched_ctxs , int *workers, int nworkers);
54
58 void (*resize_ctxs)(unsigned *sched_ctxs, int nsched_ctxs , int *workers, int nworkers);
59
64 void (*handle_idle_cycle)(unsigned sched_ctx, int worker);
65
70 void (*handle_pushed_task)(unsigned sched_ctx, int worker);
71
76 void (*handle_poped_task)(unsigned sched_ctx, int worker,struct starpu_task *task, uint32_t footprint);
77
82 void (*handle_idle_end)(unsigned sched_ctx, int worker);
83
88 void (*handle_post_exec_hook)(unsigned sched_ctx, int task_tag);
89
94 void (*handle_submitted_job)(struct starpu_codelet *cl, unsigned sched_ctx, uint32_t footprint, size_t data_size);
95
100 void (*end_ctx)(unsigned sched_ctx);
101
106 void (*start_ctx)(unsigned sched_ctx);
107
111 void (*init_worker)(int workerid, unsigned sched_ctx);
112};
113
145extern starpu_pthread_mutex_t act_hypervisor_mutex;
146
151
160
165void sc_hypervisor_register_ctx(unsigned sched_ctx, double total_flops);
166
171void sc_hypervisor_unregister_ctx(unsigned sched_ctx);
172
177void sc_hypervisor_post_resize_request(unsigned sched_ctx, int task_tag);
178
184void sc_hypervisor_resize_ctxs(unsigned *sched_ctxs, int nsched_ctxs , int *workers, int nworkers);
185
189void sc_hypervisor_stop_resize(unsigned sched_ctx);
190
194void sc_hypervisor_start_resize(unsigned sched_ctx);
195
200
204void sc_hypervisor_add_workers_to_sched_ctx(int* workers_to_add, unsigned nworkers_to_add, unsigned sched_ctx);
205
209void sc_hypervisor_remove_workers_from_sched_ctx(int* workers_to_remove, unsigned nworkers_to_remove, unsigned sched_ctx, unsigned now);
210
214void sc_hypervisor_move_workers(unsigned sender_sched_ctx, unsigned receiver_sched_ctx, int *workers_to_move, unsigned nworkers_to_move, unsigned now);
215
220void sc_hypervisor_size_ctxs(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers);
221
225unsigned sc_hypervisor_get_size_req(unsigned **sched_ctxs, int* nsched_ctxs, int **workers, int *nworkers);
226
230void sc_hypervisor_save_size_req(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers);
231
236
240unsigned sc_hypervisor_can_resize(unsigned sched_ctx);
241
246void sc_hypervisor_set_type_of_task(struct starpu_codelet *cl, unsigned sched_ctx, uint32_t footprint, size_t data_size);
247
252void sc_hypervisor_update_diff_total_flops(unsigned sched_ctx, double diff_total_flops);
253
258void sc_hypervisor_update_diff_elapsed_flops(unsigned sched_ctx, double diff_task_flops);
259
263void sc_hypervisor_update_resize_interval(unsigned *sched_ctxs, int nsched_ctxs, int max_nworkers);
264
269void sc_hypervisor_get_ctxs_on_level(unsigned **sched_ctxs, int *nsched_ctxs, unsigned hierarchy_level, unsigned father_sched_ctx_id);
270
275
279void sc_hypervisor_get_leaves(unsigned *sched_ctxs, int nsched_ctxs, unsigned *leaves, int *nleaves);
280
285
286void sc_hypervisor_print_overhead();
287
288void sc_hypervisor_init_worker(int workerid, unsigned sched_ctx);
289
292#ifdef __cplusplus
293}
294#endif
295
296#endif
Definition starpu_task.h:250
Definition starpu_task.h:567
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_init(struct sc_hypervisor_policy *policy)
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)
const char * sc_hypervisor_get_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)
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:88
void(* handle_idle_cycle)(unsigned sched_ctx, int worker)
Definition sc_hypervisor.h:64
void(* init_worker)(int workerid, unsigned sched_ctx)
Definition sc_hypervisor.h:111
void(* handle_pushed_task)(unsigned sched_ctx, int worker)
Definition sc_hypervisor.h:70
void(* resize_ctxs)(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers)
Definition sc_hypervisor.h:58
void(* size_ctxs)(unsigned *sched_ctxs, int nsched_ctxs, int *workers, int nworkers)
Definition sc_hypervisor.h:53
void(* handle_idle_end)(unsigned sched_ctx, int worker)
Definition sc_hypervisor.h:82
void(* handle_poped_task)(unsigned sched_ctx, int worker, struct starpu_task *task, uint32_t footprint)
Definition sc_hypervisor.h:76
void(* end_ctx)(unsigned sched_ctx)
Definition sc_hypervisor.h:100
const char * name
Definition sc_hypervisor.h:42
unsigned custom
Definition sc_hypervisor.h:47
void(* handle_submitted_job)(struct starpu_codelet *cl, unsigned sched_ctx, uint32_t footprint, size_t data_size)
Definition sc_hypervisor.h:94
void(* start_ctx)(unsigned sched_ctx)
Definition sc_hypervisor.h:106
Definition sc_hypervisor.h:36