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;
124 /* FIXME: understand what they do and put the prototypes in a header file (live in smpi_base.c) */
125 void smpi_mpi_land_func(void *a, void *b, int *length, MPI_Datatype * datatype);
126 void smpi_mpi_sum_func(void *a, void *b, int *length, MPI_Datatype * datatype);
127 void smpi_mpi_min_func(void *a, void *b, int *length, MPI_Datatype * datatype);
128 void smpi_mpi_max_func(void *a, void *b, int *length, MPI_Datatype * datatype);
130 void smpi_global_init()
134 /* Connect our log channels: that must be done manually under windows */
135 #ifdef XBT_LOG_CONNECT
136 XBT_LOG_CONNECT(smpi_base, smpi);
137 XBT_LOG_CONNECT(smpi_bench, smpi);
138 XBT_LOG_CONNECT(smpi_kernel, smpi);
139 XBT_LOG_CONNECT(smpi_mpi, smpi);
140 XBT_LOG_CONNECT(smpi_receiver, smpi);
141 XBT_LOG_CONNECT(smpi_sender, smpi);
142 XBT_LOG_CONNECT(smpi_util, smpi);
145 smpi_global = xbt_new(s_smpi_global_t, 1);
148 smpi_global->request_mallocator =
149 xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
150 smpi_request_free, smpi_request_reset);
151 smpi_global->message_mallocator =
152 xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
153 smpi_message_free, smpi_message_reset);
155 smpi_global->process_count = SIMIX_process_count();
156 DEBUG1("There is %d processes",smpi_global->process_count);
158 // sender/receiver processes
159 smpi_global->main_processes = xbt_new(smx_process_t, smpi_global->process_count);
162 smpi_global->timer = xbt_os_timer_new();
163 smpi_global->timer_mutex = SIMIX_mutex_init();
164 smpi_global->timer_cond = SIMIX_cond_init();
166 smpi_global->do_once_duration_nodes = NULL;
167 smpi_global->do_once_duration = NULL;
168 smpi_global->do_once_mutex = SIMIX_mutex_init();
171 smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
173 // global communicator
174 smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
175 smpi_mpi_global->mpi_comm_world->size = smpi_global->process_count;
176 smpi_mpi_global->mpi_comm_world->barrier_count = 0;
177 smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
178 smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
179 smpi_mpi_global->mpi_comm_world->rank_to_index_map =
180 xbt_new(int, smpi_global->process_count);
181 smpi_mpi_global->mpi_comm_world->index_to_rank_map =
182 xbt_new(int, smpi_global->process_count);
183 for (i = 0; i < smpi_global->process_count; i++) {
184 smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
185 smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
189 smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
190 smpi_mpi_global->mpi_byte->size = (size_t) 1;
191 smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
192 smpi_mpi_global->mpi_int->size = sizeof(int);
193 smpi_mpi_global->mpi_float = xbt_new(s_smpi_mpi_datatype_t, 1);
194 smpi_mpi_global->mpi_float->size = sizeof(float);
195 smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
196 smpi_mpi_global->mpi_double->size = sizeof(double);
199 smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
200 smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
201 smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
202 smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
203 smpi_mpi_global->mpi_min = xbt_new(s_smpi_mpi_op_t, 1);
204 smpi_mpi_global->mpi_min->func = smpi_mpi_min_func;
205 smpi_mpi_global->mpi_max = xbt_new(s_smpi_mpi_op_t, 1);
206 smpi_mpi_global->mpi_max->func = smpi_mpi_max_func;
210 void smpi_global_destroy()
212 smpi_do_once_duration_node_t curr, next;
215 xbt_free(smpi_global->main_processes);
218 xbt_mallocator_free(smpi_global->request_mallocator);
219 xbt_mallocator_free(smpi_global->message_mallocator);
221 xbt_os_timer_free(smpi_global->timer);
222 SIMIX_mutex_destroy(smpi_global->timer_mutex);
223 SIMIX_cond_destroy(smpi_global->timer_cond);
225 for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
227 xbt_free(curr->file);
231 SIMIX_mutex_destroy(smpi_global->do_once_mutex);
233 xbt_free(smpi_global);
236 /* free smpi_mpi_global */
237 SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
238 SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
239 xbt_free(smpi_mpi_global->mpi_comm_world);
241 xbt_free(smpi_mpi_global->mpi_byte);
242 xbt_free(smpi_mpi_global->mpi_int);
243 xbt_free(smpi_mpi_global->mpi_double);
245 xbt_free(smpi_mpi_global->mpi_land);
246 xbt_free(smpi_mpi_global->mpi_sum);
248 xbt_free(smpi_mpi_global);
252 int smpi_process_index()
254 smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
258 smx_mutex_t smpi_process_mutex()
260 smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
264 smx_cond_t smpi_process_cond()
266 smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
270 static void smpi_cfg_cb_host_speed(const char *name, int pos) {
271 smpi_global->reference_speed = xbt_cfg_get_double_at(_surf_cfg_set,name,pos);
274 int smpi_run_simulation(int *argc, char **argv)
276 smx_cond_t cond = NULL;
277 smx_action_t action = NULL;
279 xbt_fifo_t actions_failed = xbt_fifo_new();
280 xbt_fifo_t actions_done = xbt_fifo_new();
282 srand(SMPI_RAND_SEED);
284 double default_reference_speed = 20000.0;
285 xbt_cfg_register(&_surf_cfg_set,"reference_speed","Power of the host running the simulation (in flop/s). Used to bench the operations.",
286 xbt_cfgelm_double,&default_reference_speed,1,1,smpi_cfg_cb_host_speed,NULL);
288 int default_display_timing = 0;
289 xbt_cfg_register(&_surf_cfg_set,"display_timing","Boolean indicating whether we should display the timing after simulation.",
290 xbt_cfgelm_int,&default_display_timing,1,1,NULL,NULL);
292 SIMIX_global_init(argc, argv);
295 // parse the platform file: get the host list
296 SIMIX_create_environment(argv[1]);
298 SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
299 SIMIX_launch_application(argv[2]);
301 // must initialize globals between creating environment and launching app....
304 /* Clean IO before the run */
309 while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
310 while ((action = xbt_fifo_pop(actions_failed))) {
311 DEBUG1("** %s failed **", action->name);
312 while ((cond = xbt_fifo_pop(action->cond_list))) {
313 SIMIX_cond_broadcast(cond);
316 while ((action = xbt_fifo_pop(actions_done))) {
317 DEBUG1("** %s done **", action->name);
318 while ((cond = xbt_fifo_pop(action->cond_list))) {
319 SIMIX_cond_broadcast(cond);
324 // FIXME: cleanup incomplete
325 xbt_fifo_free(actions_failed);
326 xbt_fifo_free(actions_done);
329 if (xbt_cfg_get_int(_surf_cfg_set,"display_timing"))
330 INFO1("simulation time %g", SIMIX_get_clock());
332 smpi_global_destroy();