StarPU Internal Handbook
simgrid.h
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1 /* StarPU --- Runtime system for heterogeneous multicore architectures.
2  *
3  * Copyright (C) 2012-2021 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 #ifdef __cplusplus
24 extern "C"
25 {
26 #endif
27 
28 /* Note: when changing something here, update the include list in configure.ac
29  * in the part that tries to enable stdc++11 */
30 #ifdef STARPU_SIMGRID
31 #ifdef STARPU_HAVE_SIMGRID_MSG_H
32 #include <simgrid/msg.h>
33 #elif defined(STARPU_HAVE_MSG_MSG_H)
34 #include <msg/msg.h>
35 #endif
36 
37 #ifdef STARPU_HAVE_XBT_BASE_H
38 #include <xbt/base.h>
39 #endif
40 #ifdef STARPU_HAVE_SIMGRID_VERSION_H
41 #include <simgrid/version.h>
42 #endif
43 #ifdef STARPU_HAVE_SIMGRID_ZONE_H
44 #include <simgrid/zone.h>
45 #endif
46 #ifdef STARPU_HAVE_SIMGRID_HOST_H
47 #include <simgrid/host.h>
48 #endif
49 
50 #include <xbt/xbt_os_time.h>
51 
53 {
54  void *(*f)(void*);
55  void *arg;
56 };
57 
58 #define MAX_TSD 16
59 
60 #define STARPU_MPI_AS_PREFIX "StarPU-MPI"
61 #define _starpu_simgrid_running_smpi() (getenv("SMPI_GLOBAL_SIZE") != NULL)
62 
63 void _starpu_start_simgrid(int *argc, char **argv);
64 
65 void _starpu_simgrid_init_early(int *argc, char ***argv);
66 void _starpu_simgrid_init(void);
67 void _starpu_simgrid_deinit(void);
68 void _starpu_simgrid_deinit_late(void);
69 void _starpu_simgrid_actor_setup(void);
70 void _starpu_simgrid_wait_tasks(int workerid);
71 struct _starpu_job;
72 void _starpu_simgrid_submit_job(int workerid, struct _starpu_job *job, struct starpu_perfmodel_arch* perf_arch, double length, unsigned *finished);
73 struct _starpu_data_request;
74 int _starpu_simgrid_transfer(size_t size, unsigned src_node, unsigned dst_node, struct _starpu_data_request *req);
76 int _starpu_simgrid_wait_transfer_event(union _starpu_async_channel_event *event);
77 int _starpu_simgrid_test_transfer_event(union _starpu_async_channel_event *event);
78 void _starpu_simgrid_sync_gpus(void);
80 int _starpu_simgrid_get_nbhosts(const char *prefix);
81 unsigned long long _starpu_simgrid_get_memsize(const char *prefix, unsigned devid);
82 starpu_sg_host_t _starpu_simgrid_get_host_by_name(const char *name);
83 starpu_sg_host_t _starpu_simgrid_get_memnode_host(unsigned node);
84 struct _starpu_worker;
85 starpu_sg_host_t _starpu_simgrid_get_host_by_worker(struct _starpu_worker *worker);
86 void _starpu_simgrid_get_platform_path(int version, char *path, size_t maxlen);
87 #if defined(HAVE_SG_ZONE_GET_BY_NAME) || defined(sg_zone_get_by_name)
88 sg_netzone_t _starpu_simgrid_get_as_by_name(const char *name);
89 #else
90 msg_as_t _starpu_simgrid_get_as_by_name(const char *name);
91 #endif
92 #pragma weak starpu_mpi_world_rank
93 extern int starpu_mpi_world_rank(void);
94 #pragma weak _starpu_mpi_simgrid_init
95 int _starpu_mpi_simgrid_init(int argc, char *argv[]);
96 
97 extern starpu_pthread_queue_t _starpu_simgrid_transfer_queue[STARPU_MAXNODES];
98 extern starpu_pthread_queue_t _starpu_simgrid_task_queue[STARPU_NMAXWORKERS];
99 
100 #define _starpu_simgrid_cuda_malloc_cost() starpu_get_env_number_default("STARPU_SIMGRID_CUDA_MALLOC_COST", 1)
101 #define _starpu_simgrid_queue_malloc_cost() starpu_get_env_number_default("STARPU_SIMGRID_QUEUE_MALLOC_COST", 1)
102 #define _starpu_simgrid_task_submit_cost() starpu_get_env_number_default("STARPU_SIMGRID_TASK_SUBMIT_COST", 1)
103 #define _starpu_simgrid_fetching_input_cost() starpu_get_env_number_default("STARPU_SIMGRID_FETCHING_INPUT_COST", 1)
104 #define _starpu_simgrid_sched_cost() starpu_get_env_number_default("STARPU_SIMGRID_SCHED_COST", 0)
105 
109 
110 void _starpu_simgrid_xbt_thread_create(const char *name, void_f_pvoid_t code,
111  void *param);
112 
113 #define _SIMGRID_TIMER_BEGIN(cond) \
114  { \
115  xbt_os_timer_t __timer = NULL; \
116  if (cond) { \
117  __timer = xbt_os_timer_new(); \
118  xbt_os_threadtimer_start(__timer); \
119  }
120 #define _SIMGRID_TIMER_END \
121  if (__timer) { \
122  xbt_os_threadtimer_stop(__timer); \
123  starpu_sleep(xbt_os_timer_elapsed(__timer));\
124  xbt_os_timer_free(__timer); \
125  } \
126  }
127 
128 #else // !STARPU_SIMGRID
129 #define _SIMGRID_TIMER_BEGIN(cond) {
130 #define _SIMGRID_TIMER_END }
131 #endif
132 
134 /* disk <-> MAIN_RAM only */
135 #if defined(STARPU_SIMGRID) && 0
136 void _starpu_simgrid_data_new(size_t size);
137 void _starpu_simgrid_data_increase(size_t size);
138 void _starpu_simgrid_data_alloc(size_t size);
139 void _starpu_simgrid_data_free(size_t size);
140 void _starpu_simgrid_data_transfer(size_t size, unsigned src_node, unsigned dst_node);
141 #else
142 #define _starpu_simgrid_data_new(size) (void)0
143 #define _starpu_simgrid_data_increase(size) (void)0
144 #define _starpu_simgrid_data_alloc(size) (void)0
145 #define _starpu_simgrid_data_free(size) (void)0
146 #define _starpu_simgrid_data_transfer(size, src_node, dst_node) (void)0
147 #endif
148 
149 #ifdef __cplusplus
150 }
151 #endif
152 
153 #endif // __SIMGRID_H__
Definition: copy_driver.h:103
void _starpu_simgrid_count_ngpus(void)
#define _starpu_simgrid_data_new(size)
Definition: simgrid.h:142
int _starpu_simgrid_get_nbhosts(const char *prefix)
Definition: jobs.h:79
Definition: simgrid.h:53
Definition: workers.h:70