src/smpi/smpi_global.c

   1 #include <stdio.h>
   2
   3 #include "private.h"
   4 #include "smpi_mpi_dt_private.h"
   5
   6 XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
   7
   8 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
   9                                 "Logging specific to SMPI (kernel)");
  10
  11 smpi_global_t smpi_global = NULL;
  12
  13 void *smpi_request_new(void);
  14
  15 void *smpi_request_new()
  16 {
  17   smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
  18
  19   request->buf = NULL;
  20   request->completed = 0;
  21   request->mutex = SIMIX_mutex_init();
  22   request->cond = SIMIX_cond_init();
  23   request->data = NULL;
  24   request->forward = 0;
  25
  26   return request;
  27 }
  28
  29 void smpi_request_free(void *pointer);
  30
  31 void smpi_request_free(void *pointer)
  32 {
  33
  34   smpi_mpi_request_t request = pointer;
  35
  36   SIMIX_cond_destroy(request->cond);
  37   SIMIX_mutex_destroy(request->mutex);
  38   xbt_free(request);
  39
  40   return;
  41 }
  42
  43 void smpi_request_reset(void *pointer);
  44
  45 void smpi_request_reset(void *pointer)
  46 {
  47   smpi_mpi_request_t request = pointer;
  48
  49   request->buf = NULL;
  50   request->completed = 0;
  51   request->consumed = 0;
  52   request->data = NULL;
  53   request->forward = 0;
  54
  55   return;
  56 }
  57
  58
  59 void *smpi_message_new(void);
  60
  61 void *smpi_message_new()
  62 {
  63   smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1);
  64   message->buf = NULL;
  65   return message;
  66 }
  67
  68 void smpi_message_free(void *pointer);
  69
  70 void smpi_message_free(void *pointer)
  71 {
  72   xbt_free(pointer);
  73   return;
  74 }
  75
  76 void smpi_message_reset(void *pointer);
  77
  78 void smpi_message_reset(void *pointer)
  79 {
  80   smpi_received_message_t message = pointer;
  81   message->buf = NULL;
  82   return;
  83 }
  84
  85 int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
  86                         int src, int dst, int tag,
  87                         smpi_mpi_communicator_t comm,
  88                         smpi_mpi_request_t * requestptr)
  89 {
  90   int retval = MPI_SUCCESS;
  91
  92   smpi_mpi_request_t request = NULL;
  93
  94   // parameter checking prob belongs in smpi_mpi, but this is less repeat code
  95   if (NULL == buf) {
  96     retval = MPI_ERR_INTERN;
  97   } else if (0 > count) {
  98     retval = MPI_ERR_COUNT;
  99   } else if (NULL == datatype) {
 100     retval = MPI_ERR_TYPE;
 101   } else if (MPI_ANY_SOURCE != src && (0 > src || comm->size <= src)) {
 102     retval = MPI_ERR_RANK;
 103   } else if (0 > dst || comm->size <= dst) {
 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;
 111   } else {
 112     request = xbt_mallocator_get(smpi_global->request_mallocator);
 113     request->comm = comm;
 114     request->src = src;
 115     request->dst = dst;
 116     request->tag = tag;
 117     request->buf = buf;
 118     request->datatype = datatype;
 119     request->count = count;
 120
 121     *requestptr = request;
 122   }
 123   return retval;
 124 }
 125
 126 /* FIXME: understand what they do and put the prototypes in a header file (live in smpi_base.c) */
 127 void smpi_mpi_land_func(void *a, void *b, int *length,
 128                         MPI_Datatype * datatype);
 129 void smpi_mpi_sum_func(void *a, void *b, int *length,
 130                        MPI_Datatype * datatype);
 131 void smpi_mpi_prod_func(void *a, void *b, int *length,
 132                        MPI_Datatype * datatype);
 133 void smpi_mpi_min_func(void *a, void *b, int *length,
 134                        MPI_Datatype * datatype);
 135 void smpi_mpi_max_func(void *a, void *b, int *length,
 136                        MPI_Datatype * datatype);
 137
 138 void smpi_global_init()
 139 {
 140   int i;
 141
 142   /* Connect our log channels: that must be done manually under windows */
 143 #ifdef XBT_LOG_CONNECT
 144   XBT_LOG_CONNECT(smpi_base, smpi);
 145   XBT_LOG_CONNECT(smpi_bench, smpi);
 146   XBT_LOG_CONNECT(smpi_kernel, smpi);
 147   XBT_LOG_CONNECT(smpi_mpi, smpi);
 148   XBT_LOG_CONNECT(smpi_receiver, smpi);
 149   XBT_LOG_CONNECT(smpi_sender, smpi);
 150   XBT_LOG_CONNECT(smpi_util, smpi);
 151 #endif
 152
 153   smpi_global = xbt_new(s_smpi_global_t, 1);
 154
 155   // mallocators
 156   smpi_global->request_mallocator =
 157     xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
 158                        smpi_request_free, smpi_request_reset);
 159   smpi_global->message_mallocator =
 160     xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
 161                        smpi_message_free, smpi_message_reset);
 162
 163   smpi_global->process_count = SIMIX_process_count();
 164   DEBUG1("There is %d processes", smpi_global->process_count);
 165
 166   // sender/receiver processes
 167   smpi_global->main_processes =
 168     xbt_new(smx_process_t, smpi_global->process_count);
 169
 170   // timers
 171   smpi_global->timer = xbt_os_timer_new();
 172   smpi_global->timer_cond = SIMIX_cond_init();
 173
 174   smpi_global->do_once_duration_nodes = NULL;
 175   smpi_global->do_once_duration = NULL;
 176   smpi_global->do_once_mutex = SIMIX_mutex_init();
 177
 178
 179   smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
 180
 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;
 194   }
 195
 196   // mpi datatypes
 197   smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1); /* we can think of it as a placeholder for value*/
 198   smpi_mpi_global->mpi_byte->size = (size_t) 1;
 199   smpi_mpi_global->mpi_byte->lb = (ptrdiff_t) 0;
 200   smpi_mpi_global->mpi_byte->ub = smpi_mpi_global->mpi_byte->lb + smpi_mpi_global->mpi_byte->size;
 201   smpi_mpi_global->mpi_byte->flags = DT_FLAG_BASIC;
 202
 203   smpi_mpi_global->mpi_char = xbt_new(s_smpi_mpi_datatype_t, 1);
 204   smpi_mpi_global->mpi_char->size = (size_t) 1;
 205   smpi_mpi_global->mpi_char->lb = (ptrdiff_t) 0; //&(smpi_mpi_global->mpi_char);
 206   smpi_mpi_global->mpi_char->ub = smpi_mpi_global->mpi_char->lb + smpi_mpi_global->mpi_char->size;
 207   smpi_mpi_global->mpi_char->flags = DT_FLAG_BASIC;
 208
 209   smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
 210   smpi_mpi_global->mpi_int->size = sizeof(int);
 211   smpi_mpi_global->mpi_int->lb = (ptrdiff_t) 0; // &(smpi_mpi_global->mpi_int);
 212   smpi_mpi_global->mpi_int->ub = smpi_mpi_global->mpi_int->lb + smpi_mpi_global->mpi_int->size;
 213   smpi_mpi_global->mpi_int->flags = DT_FLAG_BASIC;
 214
 215   smpi_mpi_global->mpi_float = xbt_new(s_smpi_mpi_datatype_t, 1);
 216   smpi_mpi_global->mpi_float->size = sizeof(float);
 217   smpi_mpi_global->mpi_float->lb = (ptrdiff_t) 0; // &(smpi_mpi_global->mpi_float);
 218   smpi_mpi_global->mpi_float->ub = smpi_mpi_global->mpi_float->lb + smpi_mpi_global->mpi_float->size;
 219   smpi_mpi_global->mpi_float->flags = DT_FLAG_BASIC;
 220
 221   smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
 222   smpi_mpi_global->mpi_double->size = sizeof(double);
 223   smpi_mpi_global->mpi_double->lb = (ptrdiff_t) 0; //&(smpi_mpi_global->mpi_float);
 224   smpi_mpi_global->mpi_double->ub = smpi_mpi_global->mpi_double->lb + smpi_mpi_global->mpi_double->size;
 225   smpi_mpi_global->mpi_double->flags = DT_FLAG_BASIC;
 226
 227   // mpi operations
 228   smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
 229   smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
 230   smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
 231   smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
 232   smpi_mpi_global->mpi_prod = xbt_new(s_smpi_mpi_op_t, 1);
 233   smpi_mpi_global->mpi_prod->func = smpi_mpi_prod_func;
 234   smpi_mpi_global->mpi_min = xbt_new(s_smpi_mpi_op_t, 1);
 235   smpi_mpi_global->mpi_min->func = smpi_mpi_min_func;
 236   smpi_mpi_global->mpi_max = xbt_new(s_smpi_mpi_op_t, 1);
 237   smpi_mpi_global->mpi_max->func = smpi_mpi_max_func;
 238
 239 }
 240
 241 void smpi_global_destroy()
 242 {
 243   smpi_do_once_duration_node_t curr, next;
 244
 245   // processes
 246   xbt_free(smpi_global->main_processes);
 247
 248   // mallocators
 249   xbt_mallocator_free(smpi_global->request_mallocator);
 250   xbt_mallocator_free(smpi_global->message_mallocator);
 251
 252   xbt_os_timer_free(smpi_global->timer);
 253   SIMIX_cond_destroy(smpi_global->timer_cond);
 254
 255   for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
 256     next = curr->next;
 257     xbt_free(curr->file);
 258     xbt_free(curr);
 259   }
 260
 261   SIMIX_mutex_destroy(smpi_global->do_once_mutex);
 262
 263   xbt_free(smpi_global);
 264   smpi_global = NULL;
 265
 266   /* free smpi_mpi_global */
 267   SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
 268   SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
 269   xbt_free(smpi_mpi_global->mpi_comm_world->rank_to_index_map);
 270   xbt_free(smpi_mpi_global->mpi_comm_world);
 271
 272   xbt_free(smpi_mpi_global->mpi_byte);
 273   xbt_free(smpi_mpi_global->mpi_char);
 274   xbt_free(smpi_mpi_global->mpi_int);
 275   xbt_free(smpi_mpi_global->mpi_double);
 276   xbt_free(smpi_mpi_global->mpi_float);
 277
 278   xbt_free(smpi_mpi_global->mpi_land);
 279   xbt_free(smpi_mpi_global->mpi_sum);
 280   xbt_free(smpi_mpi_global->mpi_prod);
 281   xbt_free(smpi_mpi_global->mpi_max);
 282   xbt_free(smpi_mpi_global->mpi_min);
 283
 284   xbt_free(smpi_mpi_global);
 285
 286 }
 287
 288 int smpi_process_index()
 289 {
 290   smpi_process_data_t pdata =
 291     (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
 292   return pdata->index;
 293 }
 294
 295 smx_mutex_t smpi_process_mutex()
 296 {
 297   smpi_process_data_t pdata =
 298     (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
 299   return pdata->mutex;
 300 }
 301
 302 smx_cond_t smpi_process_cond()
 303 {
 304   smpi_process_data_t pdata =
 305     (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
 306   return pdata->cond;
 307 }
 308
 309 static void smpi_cfg_cb_host_speed(const char *name, int pos)
 310 {
 311   smpi_global->reference_speed =
 312     xbt_cfg_get_double_at(_surf_cfg_set, name, pos);
 313 }
 314
 315 int smpi_run_simulation(int *argc, char **argv)
 316 {
 317   smx_action_t action = NULL;
 318
 319   xbt_fifo_t actions_failed = xbt_fifo_new();
 320   xbt_fifo_t actions_done = xbt_fifo_new();
 321
 322   srand(SMPI_RAND_SEED);
 323
 324   double default_reference_speed = 20000.0;
 325   xbt_cfg_register(&_surf_cfg_set, "reference_speed",
 326                    "Power of the host running the simulation (in flop/s). Used to bench the operations.",
 327                    xbt_cfgelm_double, &default_reference_speed, 1, 1,
 328                    smpi_cfg_cb_host_speed, NULL);
 329
 330   int default_display_timing = 0;
 331   xbt_cfg_register(&_surf_cfg_set, "display_timing",
 332                    "Boolean indicating whether we should display the timing after simulation.",
 333                    xbt_cfgelm_int, &default_display_timing, 1, 1, NULL, NULL);
 334
 335   SIMIX_global_init(argc, argv);
 336
 337
 338   // parse the platform file: get the host list
 339   SIMIX_create_environment(argv[1]);
 340
 341   SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
 342   SIMIX_launch_application(argv[2]);
 343
 344   // must initialize globals between creating environment and launching app....
 345   smpi_global_init();
 346
 347   /* Clean IO before the run */
 348   fflush(stdout);
 349   fflush(stderr);
 350   SIMIX_init();
 351
 352   while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
 353     while ((action = xbt_fifo_pop(actions_failed))) {
 354       DEBUG1("** %s failed **", SIMIX_action_get_name(action));
 355       SIMIX_action_signal_all(action);
 356     }
 357     while ((action = xbt_fifo_pop(actions_done))) {
 358       DEBUG1("** %s done **", SIMIX_action_get_name(action));
 359       SIMIX_action_signal_all(action);
 360     }
 361   }
 362
 363   // FIXME: cleanup incomplete
 364   xbt_fifo_free(actions_failed);
 365   xbt_fifo_free(actions_done);
 366
 367
 368   if (xbt_cfg_get_int(_surf_cfg_set, "display_timing"))
 369     INFO1("simulation time %g", SIMIX_get_clock());
 370
 371   smpi_global_destroy();
 372   SIMIX_clean();
 373
 374   return 0;
 375 }