5 XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
7 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
8 "Logging specific to SMPI (kernel)");
10 smpi_global_t smpi_global = NULL;
12 void *smpi_request_new(void);
14 void *smpi_request_new()
16 smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
19 request->completed = 0;
20 request->mutex = SIMIX_mutex_init();
21 request->cond = SIMIX_cond_init();
28 void smpi_request_free(void *pointer);
30 void smpi_request_free(void *pointer)
33 smpi_mpi_request_t request = pointer;
35 SIMIX_cond_destroy(request->cond);
36 SIMIX_mutex_destroy(request->mutex);
42 void smpi_request_reset(void *pointer);
44 void smpi_request_reset(void *pointer)
46 smpi_mpi_request_t request = pointer;
49 request->completed = 0;
50 request->consumed = 0;
58 void *smpi_message_new(void);
60 void *smpi_message_new()
62 smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1);
67 void smpi_message_free(void *pointer);
69 void smpi_message_free(void *pointer)
75 void smpi_message_reset(void *pointer);
77 void smpi_message_reset(void *pointer)
79 smpi_received_message_t message = pointer;
84 int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
85 int src, int dst, int tag,
86 smpi_mpi_communicator_t comm,
87 smpi_mpi_request_t * requestptr)
89 int retval = MPI_SUCCESS;
91 smpi_mpi_request_t request = NULL;
93 // parameter checking prob belongs in smpi_mpi, but this is less repeat code
95 retval = MPI_ERR_INTERN;
96 } else if (0 > count) {
97 retval = MPI_ERR_COUNT;
98 } else if (NULL == datatype) {
99 retval = MPI_ERR_TYPE;
100 } else if (MPI_ANY_SOURCE != src && (0 > src || comm->size <= src)) {
101 retval = MPI_ERR_RANK;
102 } else if (0 > dst || comm->size <= dst) {
103 retval = MPI_ERR_RANK;
104 } else if (MPI_ANY_TAG != tag && 0 > tag) {
105 retval = MPI_ERR_TAG;
106 } else if (NULL == comm) {
107 retval = MPI_ERR_COMM;
108 } else if (NULL == requestptr) {
109 retval = MPI_ERR_ARG;
111 request = xbt_mallocator_get(smpi_global->request_mallocator);
112 request->comm = comm;
117 request->datatype = datatype;
118 request->count = count;
120 *requestptr = request;
125 /* FIXME: understand what they do and put the prototypes in a header file (live in smpi_base.c) */
126 void smpi_mpi_land_func(void *a, void *b, int *length,
127 MPI_Datatype * datatype);
128 void smpi_mpi_sum_func(void *a, void *b, int *length,
129 MPI_Datatype * datatype);
130 void smpi_mpi_prod_func(void *a, void *b, int *length,
131 MPI_Datatype * datatype);
132 void smpi_mpi_min_func(void *a, void *b, int *length,
133 MPI_Datatype * datatype);
134 void smpi_mpi_max_func(void *a, void *b, int *length,
135 MPI_Datatype * datatype);
137 void smpi_global_init()
141 /* Connect our log channels: that must be done manually under windows */
142 #ifdef XBT_LOG_CONNECT
143 XBT_LOG_CONNECT(smpi_base, smpi);
144 XBT_LOG_CONNECT(smpi_bench, smpi);
145 XBT_LOG_CONNECT(smpi_kernel, smpi);
146 XBT_LOG_CONNECT(smpi_mpi, smpi);
147 XBT_LOG_CONNECT(smpi_receiver, smpi);
148 XBT_LOG_CONNECT(smpi_sender, smpi);
149 XBT_LOG_CONNECT(smpi_util, smpi);
152 smpi_global = xbt_new(s_smpi_global_t, 1);
155 smpi_global->request_mallocator =
156 xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
157 smpi_request_free, smpi_request_reset);
158 smpi_global->message_mallocator =
159 xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
160 smpi_message_free, smpi_message_reset);
162 smpi_global->process_count = SIMIX_process_count();
163 DEBUG1("There is %d processes", smpi_global->process_count);
165 // sender/receiver processes
166 smpi_global->main_processes =
167 xbt_new(smx_process_t, smpi_global->process_count);
170 smpi_global->timer = xbt_os_timer_new();
171 smpi_global->timer_mutex = SIMIX_mutex_init();
172 smpi_global->timer_cond = SIMIX_cond_init();
174 smpi_global->do_once_duration_nodes = NULL;
175 smpi_global->do_once_duration = NULL;
176 smpi_global->do_once_mutex = SIMIX_mutex_init();
179 smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
181 // global communicator
182 smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
183 smpi_mpi_global->mpi_comm_world->size = smpi_global->process_count;
184 smpi_mpi_global->mpi_comm_world->barrier_count = 0;
185 smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
186 smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
187 smpi_mpi_global->mpi_comm_world->rank_to_index_map =
188 xbt_new(int, smpi_global->process_count);
189 smpi_mpi_global->mpi_comm_world->index_to_rank_map =
190 xbt_new(int, smpi_global->process_count);
191 for (i = 0; i < smpi_global->process_count; i++) {
192 smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
193 smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
197 smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
198 smpi_mpi_global->mpi_byte->size = (size_t) 1;
199 smpi_mpi_global->mpi_char = xbt_new(s_smpi_mpi_datatype_t, 1);
200 smpi_mpi_global->mpi_char->size = (size_t) 1;
201 smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
202 smpi_mpi_global->mpi_int->size = sizeof(int);
203 smpi_mpi_global->mpi_float = xbt_new(s_smpi_mpi_datatype_t, 1);
204 smpi_mpi_global->mpi_float->size = sizeof(float);
205 smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
206 smpi_mpi_global->mpi_double->size = sizeof(double);
209 smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
210 smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
211 smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
212 smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
213 smpi_mpi_global->mpi_prod = xbt_new(s_smpi_mpi_op_t, 1);
214 smpi_mpi_global->mpi_prod->func = smpi_mpi_prod_func;
215 smpi_mpi_global->mpi_min = xbt_new(s_smpi_mpi_op_t, 1);
216 smpi_mpi_global->mpi_min->func = smpi_mpi_min_func;
217 smpi_mpi_global->mpi_max = xbt_new(s_smpi_mpi_op_t, 1);
218 smpi_mpi_global->mpi_max->func = smpi_mpi_max_func;
222 void smpi_global_destroy()
224 smpi_do_once_duration_node_t curr, next;
227 xbt_free(smpi_global->main_processes);
230 xbt_mallocator_free(smpi_global->request_mallocator);
231 xbt_mallocator_free(smpi_global->message_mallocator);
233 xbt_os_timer_free(smpi_global->timer);
234 SIMIX_mutex_destroy(smpi_global->timer_mutex);
235 SIMIX_cond_destroy(smpi_global->timer_cond);
237 for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
239 xbt_free(curr->file);
243 SIMIX_mutex_destroy(smpi_global->do_once_mutex);
245 xbt_free(smpi_global);
248 /* free smpi_mpi_global */
249 SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
250 SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
251 xbt_free(smpi_mpi_global->mpi_comm_world->rank_to_index_map);
252 xbt_free(smpi_mpi_global->mpi_comm_world);
254 xbt_free(smpi_mpi_global->mpi_byte);
255 xbt_free(smpi_mpi_global->mpi_char);
256 xbt_free(smpi_mpi_global->mpi_int);
257 xbt_free(smpi_mpi_global->mpi_double);
258 xbt_free(smpi_mpi_global->mpi_float);
260 xbt_free(smpi_mpi_global->mpi_land);
261 xbt_free(smpi_mpi_global->mpi_sum);
262 xbt_free(smpi_mpi_global->mpi_prod);
263 xbt_free(smpi_mpi_global->mpi_max);
264 xbt_free(smpi_mpi_global->mpi_min);
266 xbt_free(smpi_mpi_global);
270 int smpi_process_index()
272 smpi_process_data_t pdata =
273 (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
277 smx_mutex_t smpi_process_mutex()
279 smpi_process_data_t pdata =
280 (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
284 smx_cond_t smpi_process_cond()
286 smpi_process_data_t pdata =
287 (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
291 static void smpi_cfg_cb_host_speed(const char *name, int pos)
293 smpi_global->reference_speed =
294 xbt_cfg_get_double_at(_surf_cfg_set, name, pos);
297 int smpi_run_simulation(int *argc, char **argv)
299 smx_action_t action = NULL;
301 xbt_fifo_t actions_failed = xbt_fifo_new();
302 xbt_fifo_t actions_done = xbt_fifo_new();
304 srand(SMPI_RAND_SEED);
306 double default_reference_speed = 20000.0;
307 xbt_cfg_register(&_surf_cfg_set, "reference_speed",
308 "Power of the host running the simulation (in flop/s). Used to bench the operations.",
309 xbt_cfgelm_double, &default_reference_speed, 1, 1,
310 smpi_cfg_cb_host_speed, NULL);
312 int default_display_timing = 0;
313 xbt_cfg_register(&_surf_cfg_set, "display_timing",
314 "Boolean indicating whether we should display the timing after simulation.",
315 xbt_cfgelm_int, &default_display_timing, 1, 1, NULL, NULL);
317 SIMIX_global_init(argc, argv);
320 // parse the platform file: get the host list
321 SIMIX_create_environment(argv[1]);
323 SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
324 SIMIX_launch_application(argv[2]);
326 // must initialize globals between creating environment and launching app....
329 /* Clean IO before the run */
334 while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
335 while ((action = xbt_fifo_pop(actions_failed))) {
336 DEBUG1("** %s failed **", SIMIX_action_get_name(action));
337 SIMIX_action_signal_all(action);
339 while ((action = xbt_fifo_pop(actions_done))) {
340 DEBUG1("** %s done **", SIMIX_action_get_name(action));
341 SIMIX_action_signal_all(action);
345 // FIXME: cleanup incomplete
346 xbt_fifo_free(actions_failed);
347 xbt_fifo_free(actions_done);
350 if (xbt_cfg_get_int(_surf_cfg_set, "display_timing"))
351 INFO1("simulation time %g", SIMIX_get_clock());
353 smpi_global_destroy();