src/smpi/smpi_global.c

   1 #include <stdio.h>
   2
   3 #include "private.h"
   4
   5 XBT_LOG_NEW_CATEGORY(smpi, "All SMPI categories");
   6
   7 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_kernel, smpi,
   8                                 "Logging specific to SMPI (kernel)");
   9
  10 smpi_global_t smpi_global = NULL;
  11
  12 void *smpi_request_new(void);
  13
  14 void *smpi_request_new()
  15 {
  16   smpi_mpi_request_t request = xbt_new(s_smpi_mpi_request_t, 1);
  17
  18   request->buf = NULL;
  19   request->completed = 0;
  20   request->mutex = SIMIX_mutex_init();
  21   request->cond = SIMIX_cond_init();
  22   request->data = NULL;
  23   request->forward = 0;
  24
  25   return request;
  26 }
  27
  28 void smpi_request_free(void *pointer);
  29
  30 void smpi_request_free(void *pointer)
  31 {
  32
  33   smpi_mpi_request_t request = pointer;
  34
  35   SIMIX_cond_destroy(request->cond);
  36   SIMIX_mutex_destroy(request->mutex);
  37   xbt_free(request);
  38
  39   return;
  40 }
  41
  42 void smpi_request_reset(void *pointer);
  43
  44 void smpi_request_reset(void *pointer)
  45 {
  46   smpi_mpi_request_t request = pointer;
  47
  48   request->buf = NULL;
  49   request->completed = 0;
  50   request->data = NULL;
  51   request->forward = 0;
  52
  53   return;
  54 }
  55
  56
  57 void *smpi_message_new(void);
  58
  59 void *smpi_message_new()
  60 {
  61   smpi_received_message_t message = xbt_new(s_smpi_received_message_t, 1);
  62   message->buf = NULL;
  63   return message;
  64 }
  65
  66 void smpi_message_free(void *pointer);
  67
  68 void smpi_message_free(void *pointer)
  69 {
  70   xbt_free(pointer);
  71   return;
  72 }
  73
  74 void smpi_message_reset(void *pointer);
  75
  76 void smpi_message_reset(void *pointer)
  77 {
  78   smpi_received_message_t message = pointer;
  79   message->buf = NULL;
  80   return;
  81 }
  82
  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)
  87 {
  88   int retval = MPI_SUCCESS;
  89
  90   smpi_mpi_request_t request = NULL;
  91
  92   // parameter checking prob belongs in smpi_mpi, but this is less repeat code
  93   if (NULL == buf) {
  94     retval = MPI_ERR_INTERN;
  95   } else if (0 > count) {
  96     retval = MPI_ERR_COUNT;
  97   } else if (NULL == datatype) {
  98     retval = MPI_ERR_TYPE;
  99   } else if (MPI_ANY_SOURCE != src && (0 > src || comm->size <= src)) {
 100     retval = MPI_ERR_RANK;
 101   } else if (0 > dst || comm->size <= dst) {
 102     retval = MPI_ERR_RANK;
 103   } else if (MPI_ANY_TAG != tag && 0 > tag) {
 104     retval = MPI_ERR_TAG;
 105   } else if (NULL == comm) {
 106     retval = MPI_ERR_COMM;
 107   } else if (NULL == requestptr) {
 108     retval = MPI_ERR_ARG;
 109   } else {
 110     request = xbt_mallocator_get(smpi_global->request_mallocator);
 111     request->comm = comm;
 112     request->src = src;
 113     request->dst = dst;
 114     request->tag = tag;
 115     request->buf = buf;
 116     request->datatype = datatype;
 117     request->count = count;
 118
 119     *requestptr = request;
 120   }
 121   return retval;
 122 }
 123
 124 void smpi_global_init()
 125 {
 126   int i;
 127
 128   int size = SIMIX_host_get_number();
 129
 130   /* Connect our log channels: that must be done manually under windows */
 131 #ifdef XBT_LOG_CONNECT
 132   XBT_LOG_CONNECT(smpi_base, smpi);
 133   XBT_LOG_CONNECT(smpi_bench, smpi);
 134   XBT_LOG_CONNECT(smpi_kernel, smpi);
 135   XBT_LOG_CONNECT(smpi_mpi, smpi);
 136   XBT_LOG_CONNECT(smpi_receiver, smpi);
 137   XBT_LOG_CONNECT(smpi_sender, smpi);
 138   XBT_LOG_CONNECT(smpi_util, smpi);
 139 #endif
 140
 141   smpi_global = xbt_new(s_smpi_global_t, 1);
 142   // config variable
 143   smpi_global->reference_speed = SMPI_DEFAULT_SPEED;
 144
 145   smpi_global->root_ready = 0;
 146   smpi_global->ready_process_count = 0;
 147
 148   // start/stop
 149   smpi_global->start_stop_mutex = SIMIX_mutex_init();
 150   smpi_global->start_stop_cond = SIMIX_cond_init();
 151
 152   // host info blank until sim starts
 153   // FIXME: is this okay?
 154   smpi_global->hosts = NULL;
 155   smpi_global->host_count = 0;
 156
 157   // running hosts
 158   smpi_global->running_hosts_count_mutex = SIMIX_mutex_init();
 159   smpi_global->running_hosts_count = 0;
 160
 161   // mallocators
 162   smpi_global->request_mallocator =
 163     xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
 164                        smpi_request_free, smpi_request_reset);
 165   smpi_global->message_mallocator =
 166     xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
 167                        smpi_message_free, smpi_message_reset);
 168
 169   // queues
 170   smpi_global->pending_send_request_queues = xbt_new(xbt_fifo_t, size);
 171   smpi_global->pending_send_request_queues_mutexes =
 172     xbt_new(smx_mutex_t, size);
 173   smpi_global->pending_recv_request_queues = xbt_new(xbt_fifo_t, size);
 174   smpi_global->pending_recv_request_queues_mutexes =
 175     xbt_new(smx_mutex_t, size);
 176   smpi_global->received_message_queues = xbt_new(xbt_fifo_t, size);
 177   smpi_global->received_message_queues_mutexes = xbt_new(smx_mutex_t, size);
 178
 179   // sender/receiver processes
 180   smpi_global->sender_processes = xbt_new(smx_process_t, size);
 181   smpi_global->receiver_processes = xbt_new(smx_process_t, size);
 182
 183   // timers
 184   smpi_global->timer = xbt_os_timer_new();
 185   smpi_global->timer_mutex = SIMIX_mutex_init();
 186   smpi_global->timer_cond = SIMIX_cond_init();
 187
 188   smpi_global->do_once_duration_nodes = NULL;
 189   smpi_global->do_once_duration = NULL;
 190   smpi_global->do_once_mutex = SIMIX_mutex_init();
 191
 192   for (i = 0; i < size; i++) {
 193     smpi_global->pending_send_request_queues[i] = xbt_fifo_new();
 194     smpi_global->pending_send_request_queues_mutexes[i] = SIMIX_mutex_init();
 195     smpi_global->pending_recv_request_queues[i] = xbt_fifo_new();
 196     smpi_global->pending_recv_request_queues_mutexes[i] = SIMIX_mutex_init();
 197     smpi_global->received_message_queues[i] = xbt_fifo_new();
 198     smpi_global->received_message_queues_mutexes[i] = SIMIX_mutex_init();
 199   }
 200
 201 }
 202
 203 void smpi_global_destroy()
 204 {
 205   int i;
 206
 207   int size = SIMIX_host_get_number();
 208
 209   smpi_do_once_duration_node_t curr, next;
 210
 211   // start/stop
 212   SIMIX_mutex_destroy(smpi_global->start_stop_mutex);
 213   SIMIX_cond_destroy(smpi_global->start_stop_cond);
 214
 215   // processes
 216   xbt_free(smpi_global->sender_processes);
 217   xbt_free(smpi_global->receiver_processes);
 218
 219   // running hosts
 220   SIMIX_mutex_destroy(smpi_global->running_hosts_count_mutex);
 221
 222   // mallocators
 223   xbt_mallocator_free(smpi_global->request_mallocator);
 224   xbt_mallocator_free(smpi_global->message_mallocator);
 225
 226   xbt_os_timer_free(smpi_global->timer);
 227   SIMIX_mutex_destroy(smpi_global->timer_mutex);
 228   SIMIX_cond_destroy(smpi_global->timer_cond);
 229
 230   for (curr = smpi_global->do_once_duration_nodes; NULL != curr; curr = next) {
 231     next = curr->next;
 232     xbt_free(curr->file);
 233     xbt_free(curr);
 234   }
 235
 236   SIMIX_mutex_destroy(smpi_global->do_once_mutex);
 237
 238   for (i = 0; i < size; i++) {
 239     xbt_fifo_free(smpi_global->pending_send_request_queues[i]);
 240     SIMIX_mutex_destroy(smpi_global->pending_send_request_queues_mutexes[i]);
 241     xbt_fifo_free(smpi_global->pending_recv_request_queues[i]);
 242     SIMIX_mutex_destroy(smpi_global->pending_recv_request_queues_mutexes[i]);
 243     xbt_fifo_free(smpi_global->received_message_queues[i]);
 244     SIMIX_mutex_destroy(smpi_global->received_message_queues_mutexes[i]);
 245   }
 246
 247   xbt_free(smpi_global->pending_send_request_queues);
 248   xbt_free(smpi_global->pending_send_request_queues_mutexes);
 249   xbt_free(smpi_global->pending_recv_request_queues);
 250   xbt_free(smpi_global->pending_recv_request_queues_mutexes);
 251   xbt_free(smpi_global->received_message_queues);
 252   xbt_free(smpi_global->received_message_queues_mutexes);
 253
 254   xbt_free(smpi_global);
 255
 256   smpi_global = NULL;
 257 }
 258
 259 int smpi_host_index()
 260 {
 261   smx_host_t host = SIMIX_host_self();
 262   smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
 263   return hdata->index;
 264 }
 265
 266 smx_mutex_t smpi_host_mutex()
 267 {
 268   smx_host_t host = SIMIX_host_self();
 269   smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
 270   return hdata->mutex;
 271 }
 272
 273 smx_cond_t smpi_host_cond()
 274 {
 275   smx_host_t host = SIMIX_host_self();
 276   smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
 277   return hdata->cond;
 278 }
 279
 280 int smpi_run_simulation(int *argc, char **argv)
 281 {
 282   smx_cond_t cond = NULL;
 283   smx_action_t action = NULL;
 284
 285   xbt_fifo_t actions_failed = xbt_fifo_new();
 286   xbt_fifo_t actions_done = xbt_fifo_new();
 287
 288   srand(SMPI_RAND_SEED);
 289
 290   SIMIX_global_init(argc, argv);
 291
 292   SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
 293   SIMIX_function_register("smpi_sender", smpi_sender);
 294   SIMIX_function_register("smpi_receiver", smpi_receiver);
 295
 296   // FIXME: ought to verify these files...
 297   SIMIX_create_environment(argv[1]);
 298
 299   // must initialize globals between creating environment and launching app....
 300   smpi_global_init();
 301
 302   SIMIX_launch_application(argv[2]);
 303
 304   /* Prepare to display some more info when dying on Ctrl-C pressing */
 305   // FIXME: doesn't work
 306   //signal(SIGINT, inthandler);
 307
 308   /* Clean IO before the run */
 309   fflush(stdout);
 310   fflush(stderr);
 311   SIMIX_init();
 312
 313   while (SIMIX_solve(actions_done, actions_failed) != -1.0) {
 314     while ((action = xbt_fifo_pop(actions_failed))) {
 315       DEBUG1("** %s failed **", action->name);
 316       while ((cond = xbt_fifo_pop(action->cond_list))) {
 317         SIMIX_cond_broadcast(cond);
 318       }
 319     }
 320     while ((action = xbt_fifo_pop(actions_done))) {
 321       DEBUG1("** %s done **", action->name);
 322       while ((cond = xbt_fifo_pop(action->cond_list))) {
 323         SIMIX_cond_broadcast(cond);
 324       }
 325     }
 326   }
 327
 328   // FIXME: cleanup incomplete
 329   xbt_fifo_free(actions_failed);
 330   xbt_fifo_free(actions_done);
 331
 332   INFO1("simulation time %g", SIMIX_get_clock());
 333
 334   smpi_global_destroy();
 335
 336   SIMIX_clean();
 337
 338   return 0;
 339 }