StarPU Internal Handbook
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simgrid.h
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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
45#include <xbt/xbt_os_time.h>
46#endif
47
48#ifdef __cplusplus
49extern "C"
50{
51#endif
52
53#ifdef STARPU_SIMGRID
55{
56 void *(*f)(void*);
57 void *arg;
58};
59
60#if (SIMGRID_VERSION >= 31500) && (SIMGRID_VERSION != 31559)
61typedef sg_link_t starpu_sg_link_t;
62#else
63typedef SD_link_t starpu_sg_link_t;
64#endif
65
66#define MAX_TSD 16
67
68#define STARPU_MPI_AS_PREFIX "StarPU-MPI"
69#define _starpu_simgrid_running_smpi() (getenv("SMPI_GLOBAL_SIZE") != NULL)
70
71void _starpu_start_simgrid(int *argc, char **argv);
72
73void _starpu_simgrid_init_early(int *argc, char ***argv);
74void _starpu_simgrid_init(void);
75void _starpu_simgrid_deinit(void);
76void _starpu_simgrid_deinit_late(void);
77void _starpu_simgrid_actor_setup(void);
78void _starpu_simgrid_wait_tasks(int workerid);
79struct _starpu_job;
80void _starpu_simgrid_submit_job(int workerid, struct _starpu_job *job, struct starpu_perfmodel_arch* perf_arch, double length, unsigned *finished);
81struct _starpu_data_request;
82int _starpu_simgrid_transfer(size_t size, unsigned src_node, unsigned dst_node, struct _starpu_data_request *req);
84int _starpu_simgrid_wait_transfer_event(union _starpu_async_channel_event *event);
85int _starpu_simgrid_test_transfer_event(union _starpu_async_channel_event *event);
86void _starpu_simgrid_sync_gpus(void);
88int _starpu_simgrid_get_nbhosts(const char *prefix);
89unsigned long long _starpu_simgrid_get_memsize(const char *prefix, unsigned devid);
90starpu_sg_host_t _starpu_simgrid_get_host_by_name(const char *name);
91starpu_sg_host_t _starpu_simgrid_get_memnode_host(unsigned node);
92struct _starpu_worker;
93starpu_sg_host_t _starpu_simgrid_get_host_by_worker(struct _starpu_worker *worker);
94void _starpu_simgrid_get_platform_path(int version, char *path, size_t maxlen);
95#if defined(HAVE_SG_ZONE_GET_BY_NAME) || defined(sg_zone_get_by_name)
96sg_netzone_t _starpu_simgrid_get_as_by_name(const char *name);
97#else
98msg_as_t _starpu_simgrid_get_as_by_name(const char *name);
99#endif
100#pragma weak starpu_mpi_world_rank
101extern int starpu_mpi_world_rank(void);
102#pragma weak _starpu_mpi_simgrid_init
103int _starpu_mpi_simgrid_init(int argc, char *argv[]);
104
105extern starpu_pthread_queue_t _starpu_simgrid_transfer_queue[STARPU_MAXNODES];
106extern starpu_pthread_queue_t _starpu_simgrid_task_queue[STARPU_NMAXWORKERS];
107
108#define _starpu_simgrid_cuda_malloc_cost() starpu_get_env_number_default("STARPU_SIMGRID_CUDA_MALLOC_COST", 1)
109#define _starpu_simgrid_cuda_queue_cost() starpu_get_env_number_default("STARPU_SIMGRID_CUDA_QUEUE_COST", 1)
110#define _starpu_simgrid_task_submit_cost() starpu_get_env_number_default("STARPU_SIMGRID_TASK_SUBMIT_COST", 1)
111#define _starpu_simgrid_fetching_input_cost() starpu_get_env_number_default("STARPU_SIMGRID_FETCHING_INPUT_COST", 1)
112#define _starpu_simgrid_sched_cost() starpu_get_env_number_default("STARPU_SIMGRID_SCHED_COST", 0)
113
117
118void _starpu_simgrid_xbt_thread_create(const char *name, void_f_pvoid_t code,
119 void *param);
120
121#define _SIMGRID_TIMER_BEGIN(cond) \
122 { \
123 xbt_os_timer_t __timer = NULL; \
124 if (cond) { \
125 __timer = xbt_os_timer_new(); \
126 xbt_os_threadtimer_start(__timer); \
127 }
128#define _SIMGRID_TIMER_END \
129 if (__timer) { \
130 xbt_os_threadtimer_stop(__timer); \
131 starpu_sleep(xbt_os_timer_elapsed(__timer));\
132 xbt_os_timer_free(__timer); \
133 } \
134 }
135
136#else // !STARPU_SIMGRID
137#define _SIMGRID_TIMER_BEGIN(cond) {
138#define _SIMGRID_TIMER_END }
139#endif
140
142/* disk <-> MAIN_RAM only */
143#if defined(STARPU_SIMGRID) && 0
144void _starpu_simgrid_data_new(size_t size);
145void _starpu_simgrid_data_increase(size_t size);
146void _starpu_simgrid_data_alloc(size_t size);
147void _starpu_simgrid_data_free(size_t size);
148void _starpu_simgrid_data_transfer(size_t size, unsigned src_node, unsigned dst_node);
149#else
150#define _starpu_simgrid_data_new(size) (void)0
151#define _starpu_simgrid_data_increase(size) (void)0
152#define _starpu_simgrid_data_alloc(size) (void)0
153#define _starpu_simgrid_data_free(size) (void)0
154#define _starpu_simgrid_data_transfer(size, src_node, dst_node) (void)0
155#endif
156
157#ifdef __cplusplus
158}
159#endif
160
161#endif // __SIMGRID_H__
Definition: copy_driver.h:103
void _starpu_simgrid_count_ngpus(void)
#define _starpu_simgrid_data_new(size)
Definition: simgrid.h:150
int _starpu_simgrid_get_nbhosts(const char *prefix)
Definition: jobs.h:79
Definition: simgrid.h:55
Definition: workers.h:70