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;
57 void *smpi_message_new(void);
59 void *smpi_message_new()
61 smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1);
66 void smpi_message_free(void *pointer);
68 void smpi_message_free(void *pointer)
74 void smpi_message_reset(void *pointer);
76 void smpi_message_reset(void *pointer)
78 smpi_received_message_t message = pointer;
83 int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
84 int src, int dst, int tag,
85 smpi_mpi_communicator_t comm,
86 smpi_mpi_request_t * requestptr)
88 int retval = MPI_SUCCESS;
90 smpi_mpi_request_t request = NULL;
92 printf("in create-req(): MPI_ANY_SOURCE=%d,src=%d,comm->size=%d\n",MPI_ANY_SOURCE,src,comm->size);
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 printf("err MPI_ERR_RANK => MPI_ANY_SOURCE=%d,src=%d,dst=%d,comm->size=%d\n",MPI_ANY_SOURCE,src,dst,comm->size);
104 retval = MPI_ERR_RANK;
105 } else if (MPI_ANY_TAG != tag && 0 > tag) {
106 retval = MPI_ERR_TAG;
107 } else if (NULL == comm) {
108 retval = MPI_ERR_COMM;
109 } else if (NULL == requestptr) {
110 retval = MPI_ERR_ARG;
112 request = xbt_mallocator_get(smpi_global->request_mallocator);
113 request->comm = comm;
118 request->datatype = datatype;
119 request->count = count;
121 *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, MPI_Datatype * datatype);
127 void smpi_mpi_sum_func(void *a, void *b, int *length, MPI_Datatype * datatype);
128 void smpi_mpi_min_func(void *a, void *b, int *length, MPI_Datatype * datatype);
129 void smpi_mpi_max_func(void *a, void *b, int *length, MPI_Datatype * datatype);
131 void smpi_global_init()
135 /* Connect our log channels: that must be done manually under windows */
136 #ifdef XBT_LOG_CONNECT
137 XBT_LOG_CONNECT(smpi_base, smpi);
138 XBT_LOG_CONNECT(smpi_bench, smpi);
139 XBT_LOG_CONNECT(smpi_kernel, smpi);
140 XBT_LOG_CONNECT(smpi_mpi, smpi);
141 XBT_LOG_CONNECT(smpi_receiver, smpi);
142 XBT_LOG_CONNECT(smpi_sender, smpi);
143 XBT_LOG_CONNECT(smpi_util, smpi);
146 smpi_global = xbt_new(s_smpi_global_t, 1);
149 smpi_global->request_mallocator =
150 xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
151 smpi_request_free, smpi_request_reset);
152 smpi_global->message_mallocator =
153 xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
154 smpi_message_free, smpi_message_reset);
156 smpi_global->process_count = SIMIX_process_count();
157 DEBUG1("There is %d processes",smpi_global->process_count);
159 // sender/receiver processes
160 smpi_global->main_processes = xbt_new(smx_process_t, smpi_global->process_count);
163 smpi_global->timer = xbt_os_timer_new();
164 smpi_global->timer_mutex = SIMIX_mutex_init();
165 smpi_global->timer_cond = SIMIX_cond_init();
167 smpi_global->do_once_duration_nodes = NULL;
168 smpi_global->do_once_duration = NULL;
169 smpi_global->do_once_mutex = SIMIX_mutex_init();
172 smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
174 // global communicator
175 smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
176 smpi_mpi_global->mpi_comm_world->size = smpi_global->process_count;
177 smpi_mpi_global->mpi_comm_world->barrier_count = 0;
178 smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
179 smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
180 smpi_mpi_global->mpi_comm_world->rank_to_index_map =
181 xbt_new(int, smpi_global->process_count);
182 smpi_mpi_global->mpi_comm_world->index_to_rank_map =
183 xbt_new(int, smpi_global->process_count);
184 for (i = 0; i < smpi_global->process_count; i++) {
185 smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
186 smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
190 smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
191 smpi_mpi_global->mpi_byte->size = (size_t) 1;
192 smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
193 smpi_mpi_global->mpi_int->size = sizeof(int);
194 smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
195 smpi_mpi_global->mpi_double->size = sizeof(double);
198 smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
199 smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
200 smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
201 smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
202 smpi_mpi_global->mpi_min = xbt_new(s_smpi_mpi_op_t, 1);
203 smpi_mpi_global->mpi_min->func = smpi_mpi_min_func;
204 smpi_mpi_global->mpi_max = xbt_new(s_smpi_mpi_op_t, 1);
205 smpi_mpi_global->mpi_min->func = smpi_mpi_max_func;
209 void smpi_global_destroy()
211 smpi_do_once_duration_node_t curr, next;
214 xbt_free(smpi_global->main_processes);
217 xbt_mallocator_free(smpi_global->request_mallocator);
218 xbt_mallocator_free(smpi_global->message_mallocator);
220 xbt_os_timer_free(smpi_global->timer);
221 SIMIX_mutex_destroy(smpi_global->timer_mutex);
222 SIMIX_cond_destroy(smpi_global->timer_cond);
224 for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
226 xbt_free(curr->file);
230 SIMIX_mutex_destroy(smpi_global->do_once_mutex);
232 xbt_free(smpi_global);
235 /* free smpi_mpi_global */
236 SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
237 SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
238 xbt_free(smpi_mpi_global->mpi_comm_world);
240 xbt_free(smpi_mpi_global->mpi_byte);
241 xbt_free(smpi_mpi_global->mpi_int);
242 xbt_free(smpi_mpi_global->mpi_double);
244 xbt_free(smpi_mpi_global->mpi_land);
245 xbt_free(smpi_mpi_global->mpi_sum);
247 xbt_free(smpi_mpi_global);
251 int smpi_process_index()
253 smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
257 smx_mutex_t smpi_process_mutex()
259 smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
263 smx_cond_t smpi_process_cond()
265 smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
269 static void smpi_cfg_cb_host_speed(const char *name, int pos) {
270 smpi_global->reference_speed = xbt_cfg_get_double_at(_surf_cfg_set,name,pos);
273 int smpi_run_simulation(int *argc, char **argv)
275 smx_cond_t cond = NULL;
276 smx_action_t action = NULL;
278 xbt_fifo_t actions_failed = xbt_fifo_new();
279 xbt_fifo_t actions_done = xbt_fifo_new();
281 srand(SMPI_RAND_SEED);
283 double default_reference_speed = 20000.0;
284 xbt_cfg_register(&_surf_cfg_set,"reference_speed","Power of the host running the simulation (in flop/s). Used to bench the operations.",
285 xbt_cfgelm_double,&default_reference_speed,1,1,smpi_cfg_cb_host_speed,NULL);
287 int default_display_timing = 0;
288 xbt_cfg_register(&_surf_cfg_set,"display_timing","Boolean indicating whether we should display the timing after simulation.",
289 xbt_cfgelm_int,&default_display_timing,1,1,NULL,NULL);
291 SIMIX_global_init(argc, argv);
294 // parse the platform file: get the host list
295 SIMIX_create_environment(argv[1]);
297 SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
298 SIMIX_launch_application(argv[2]);
300 // must initialize globals between creating environment and launching app....
303 /* Clean IO before the run */
308 while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
309 while ((action = xbt_fifo_pop(actions_failed))) {
310 DEBUG1("** %s failed **", action->name);
311 while ((cond = xbt_fifo_pop(action->cond_list))) {
312 SIMIX_cond_broadcast(cond);
315 while ((action = xbt_fifo_pop(actions_done))) {
316 DEBUG1("** %s done **", action->name);
317 while ((cond = xbt_fifo_pop(action->cond_list))) {
318 SIMIX_cond_broadcast(cond);
323 // FIXME: cleanup incomplete
324 xbt_fifo_free(actions_failed);
325 xbt_fifo_free(actions_done);
328 if (xbt_cfg_get_int(_surf_cfg_set,"display_timing"))
329 INFO1("simulation time %g", SIMIX_get_clock());
331 smpi_global_destroy();