StarPU Internal Handbook
simgrid.h
Go to the documentation of this file.
1/* StarPU --- Runtime system for heterogeneous multicore architectures.
2 *
3 * Copyright (C) 2012-2022 Université de Bordeaux, CNRS (LaBRI UMR 5800), Inria
4 * Copyright (C) 2013 Thibaut Lambert
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#ifndef __SIMGRID_H__
19#define __SIMGRID_H__
20
23/* Note: when changing something here, update the include list in configure.ac
24 * in the part that tries to enable stdc++11 */
25#ifdef STARPU_SIMGRID
26#ifdef STARPU_HAVE_SIMGRID_MSG_H
27#include <simgrid/msg.h>
28#elif defined(STARPU_HAVE_MSG_MSG_H)
29#include <msg/msg.h>
30#endif
31
32#ifdef STARPU_HAVE_XBT_BASE_H
33#include <xbt/base.h>
34#endif
35#ifdef STARPU_HAVE_SIMGRID_VERSION_H
36#include <simgrid/version.h>
37#endif
38#ifdef STARPU_HAVE_SIMGRID_ZONE_H
39#include <simgrid/zone.h>
40#endif
41#ifdef STARPU_HAVE_SIMGRID_HOST_H
42#include <simgrid/host.h>
43#endif
44#if defined(HAVE_SIMGRID_SIMDAG_H) && (SIMGRID_VERSION >= 31300)
45#include <simgrid/simdag.h>
46#endif
47
48#include <xbt/xbt_os_time.h>
49#endif
50
51#ifdef __cplusplus
52extern "C"
53{
54#endif
55
56#ifdef STARPU_SIMGRID
57#pragma GCC visibility push(hidden)
58
60{
61 void *(*f)(void*);
62 void *arg;
63};
64
65#if (SIMGRID_VERSION >= 32600)
66typedef void _starpu_simgrid_main_ret;
67#define _STARPU_SIMGRID_MAIN_RETURN do { } while (0)
68#else
69typedef int _starpu_simgrid_main_ret;
70#define _STARPU_SIMGRID_MAIN_RETURN return 0
71#endif
72#if (SIMGRID_VERSION >= 31500) && (SIMGRID_VERSION != 31559)
73typedef sg_link_t starpu_sg_link_t;
74#else
75typedef SD_link_t starpu_sg_link_t;
76#endif
77_starpu_simgrid_main_ret
78_starpu_simgrid_thread_start(int argc, char *argv[]);
79
80#define MAX_TSD 16
81
82#define STARPU_MPI_AS_PREFIX "StarPU-MPI"
83#define _starpu_simgrid_running_smpi() (getenv("SMPI_GLOBAL_SIZE") != NULL)
84
85void _starpu_start_simgrid(int *argc, char **argv);
86
87void _starpu_simgrid_init_early(int *argc, char ***argv);
88void _starpu_simgrid_init(void);
89void _starpu_simgrid_cpp_init(void);
90void _starpu_simgrid_deinit(void);
91void _starpu_simgrid_deinit_late(void);
92void _starpu_simgrid_actor_setup(void);
93void _starpu_simgrid_wait_tasks(int workerid);
94struct _starpu_job;
95void _starpu_simgrid_submit_job(int workerid, int sched_ctx_id, struct _starpu_job *job, struct starpu_perfmodel_arch* perf_arch, double length, double energy, unsigned *finished);
96struct _starpu_data_request;
97int _starpu_simgrid_transfer(size_t size, unsigned src_node, unsigned dst_node, struct _starpu_data_request *req);
98int _starpu_simgrid_wait_transfer_event(void *event);
99int _starpu_simgrid_test_transfer_event(void *event);
100void _starpu_simgrid_sync_gpus(void);
102int _starpu_simgrid_get_nbhosts(const char *prefix);
103unsigned long long _starpu_simgrid_get_memsize(const char *prefix, unsigned devid);
104const char *_starpu_simgrid_get_devname(const char *prefix, unsigned devid);
105starpu_sg_host_t _starpu_simgrid_get_host_by_name(const char *name);
106starpu_sg_host_t _starpu_simgrid_get_memnode_host(unsigned node);
107struct _starpu_worker;
108starpu_sg_host_t _starpu_simgrid_get_host_by_worker(struct _starpu_worker *worker);
109void _starpu_simgrid_get_platform_path(int version, char *path, size_t maxlen);
110#if defined(HAVE_SG_ZONE_GET_BY_NAME) || defined(sg_zone_get_by_name)
111sg_netzone_t _starpu_simgrid_get_as_by_name(const char *name);
112#else
113msg_as_t _starpu_simgrid_get_as_by_name(const char *name);
114#endif
115#pragma weak starpu_mpi_world_rank
116extern int starpu_mpi_world_rank(void);
117#pragma weak _starpu_mpi_simgrid_init
118int _starpu_mpi_simgrid_init(int argc, char *argv[]);
119
120extern starpu_pthread_queue_t _starpu_simgrid_transfer_queue[STARPU_MAXNODES];
121extern starpu_pthread_queue_t _starpu_simgrid_task_queue[STARPU_NMAXWORKERS];
122
123#ifdef STARPU_HAVE_S4U_ON_TIME_ADVANCE_CB
124extern starpu_pthread_mutex_t _starpu_simgrid_time_advance_mutex;
125extern starpu_pthread_cond_t _starpu_simgrid_time_advance_cond;
126#endif
127
128#define _starpu_simgrid_cuda_malloc_cost() starpu_getenv_number_default("STARPU_SIMGRID_CUDA_MALLOC_COST", 1)
129#define _starpu_simgrid_cuda_queue_cost() starpu_getenv_number_default("STARPU_SIMGRID_CUDA_QUEUE_COST", 1)
130#define _starpu_simgrid_task_submit_cost() starpu_getenv_number_default("STARPU_SIMGRID_TASK_SUBMIT_COST", 1)
131#define _starpu_simgrid_task_push_cost() starpu_getenv_number_default("STARPU_SIMGRID_TASK_PUSH_COST", 1)
132#define _starpu_simgrid_fetching_input_cost() starpu_getenv_number_default("STARPU_SIMGRID_FETCHING_INPUT_COST", 1)
133#define _starpu_simgrid_sched_cost() starpu_getenv_number_default("STARPU_SIMGRID_SCHED_COST", 0)
134
138
139extern size_t _starpu_default_stack_size;
140void _starpu_simgrid_set_stack_size(size_t stack_size);
141void _starpu_simgrid_xbt_thread_create(const char *name, starpu_pthread_attr_t *attr, void_f_pvoid_t code,
142 void *param);
143
144#define _SIMGRID_TIMER_BEGIN(cond) \
145 { \
146 xbt_os_timer_t __timer = NULL; \
147 if (cond) { \
148 __timer = xbt_os_timer_new(); \
149 xbt_os_threadtimer_start(__timer); \
150 }
151#define _SIMGRID_TIMER_END \
152 if (__timer) { \
153 xbt_os_threadtimer_stop(__timer); \
154 starpu_sleep(xbt_os_timer_elapsed(__timer));\
155 xbt_os_timer_free(__timer); \
156 } \
157 }
158
159#pragma GCC visibility pop
160
161#else // !STARPU_SIMGRID
162#define _SIMGRID_TIMER_BEGIN(cond) {
163#define _SIMGRID_TIMER_END }
164#endif
165
167/* disk <-> MAIN_RAM only */
168#if defined(STARPU_SIMGRID) && 0
169void _starpu_simgrid_data_new(size_t size);
170void _starpu_simgrid_data_increase(size_t size);
171void _starpu_simgrid_data_alloc(size_t size);
172void _starpu_simgrid_data_free(size_t size);
173void _starpu_simgrid_data_transfer(size_t size, unsigned src_node, unsigned dst_node);
174#else
175#define _starpu_simgrid_data_new(size) (void)0
176#define _starpu_simgrid_data_increase(size) (void)0
177#define _starpu_simgrid_data_alloc(size) (void)0
178#define _starpu_simgrid_data_free(size) (void)0
179#define _starpu_simgrid_data_transfer(size, src_node, dst_node) (void)0
180#endif
181
182#ifdef __cplusplus
183}
184#endif
185
186#endif // __SIMGRID_H__
#define STARPU_MAXNODES
Definition: starpu_config.h:229
#define STARPU_NMAXWORKERS
Definition: starpu_config.h:296
void _starpu_simgrid_count_ngpus(void)
#define _starpu_simgrid_data_new(size)
Definition: simgrid.h:175
int _starpu_simgrid_get_nbhosts(const char *prefix)
Definition: jobs.h:74
int workerid
Definition: jobs.h:190
Definition: simgrid.h:60
Definition: workers.h:155