}
return retval;
}
+/* FIXME: understand what they do and put the prototypes in a header file (live in smpi_base.c) */
+void smpi_mpi_land_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype);
+void smpi_mpi_sum_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype);
void smpi_global_init()
{
int i;
- int size = SIMIX_host_get_number();
-
/* Connect our log channels: that must be done manually under windows */
#ifdef XBT_LOG_CONNECT
XBT_LOG_CONNECT(smpi_base, smpi);
// config variable
smpi_global->reference_speed = SMPI_DEFAULT_SPEED;
- smpi_global->root_ready = 0;
- smpi_global->ready_process_count = 0;
-
- // start/stop
- smpi_global->start_stop_mutex = SIMIX_mutex_init();
- smpi_global->start_stop_cond = SIMIX_cond_init();
-
- // host info blank until sim starts
- // FIXME: is this okay?
- smpi_global->hosts = NULL;
- smpi_global->host_count = 0;
-
- // running hosts
- smpi_global->running_hosts_count_mutex = SIMIX_mutex_init();
- smpi_global->running_hosts_count = 0;
-
// mallocators
smpi_global->request_mallocator =
xbt_mallocator_new(SMPI_REQUEST_MALLOCATOR_SIZE, smpi_request_new,
xbt_mallocator_new(SMPI_MESSAGE_MALLOCATOR_SIZE, smpi_message_new,
smpi_message_free, smpi_message_reset);
- // queues
- smpi_global->pending_send_request_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->pending_send_request_queues_mutexes =
- xbt_new(smx_mutex_t, size);
- smpi_global->pending_recv_request_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->pending_recv_request_queues_mutexes =
- xbt_new(smx_mutex_t, size);
- smpi_global->received_message_queues = xbt_new(xbt_fifo_t, size);
- smpi_global->received_message_queues_mutexes = xbt_new(smx_mutex_t, size);
+ smpi_global->process_count = SIMIX_process_count();
+ DEBUG1("There is %d processes",smpi_global->process_count);
// sender/receiver processes
- smpi_global->sender_processes = xbt_new(smx_process_t, size);
- smpi_global->receiver_processes = xbt_new(smx_process_t, size);
+ smpi_global->main_processes = xbt_new(smx_process_t, smpi_global->process_count);
// timers
smpi_global->timer = xbt_os_timer_new();
smpi_global->do_once_duration = NULL;
smpi_global->do_once_mutex = SIMIX_mutex_init();
- for (i = 0; i < size; i++) {
- smpi_global->pending_send_request_queues[i] = xbt_fifo_new();
- smpi_global->pending_send_request_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->pending_recv_request_queues[i] = xbt_fifo_new();
- smpi_global->pending_recv_request_queues_mutexes[i] = SIMIX_mutex_init();
- smpi_global->received_message_queues[i] = xbt_fifo_new();
- smpi_global->received_message_queues_mutexes[i] = SIMIX_mutex_init();
+
+ smpi_mpi_global = xbt_new(s_smpi_mpi_global_t, 1);
+
+ // global communicator
+ smpi_mpi_global->mpi_comm_world = xbt_new(s_smpi_mpi_communicator_t, 1);
+ smpi_mpi_global->mpi_comm_world->size = smpi_global->process_count;
+ smpi_mpi_global->mpi_comm_world->barrier_count = 0;
+ smpi_mpi_global->mpi_comm_world->barrier_mutex = SIMIX_mutex_init();
+ smpi_mpi_global->mpi_comm_world->barrier_cond = SIMIX_cond_init();
+ smpi_mpi_global->mpi_comm_world->rank_to_index_map =
+ xbt_new(int, smpi_global->process_count);
+ smpi_mpi_global->mpi_comm_world->index_to_rank_map =
+ xbt_new(int, smpi_global->process_count);
+ for (i = 0; i < smpi_global->process_count; i++) {
+ smpi_mpi_global->mpi_comm_world->rank_to_index_map[i] = i;
+ smpi_mpi_global->mpi_comm_world->index_to_rank_map[i] = i;
}
+ // mpi datatypes
+ smpi_mpi_global->mpi_byte = xbt_new(s_smpi_mpi_datatype_t, 1);
+ smpi_mpi_global->mpi_byte->size = (size_t) 1;
+ smpi_mpi_global->mpi_int = xbt_new(s_smpi_mpi_datatype_t, 1);
+ smpi_mpi_global->mpi_int->size = sizeof(int);
+ smpi_mpi_global->mpi_double = xbt_new(s_smpi_mpi_datatype_t, 1);
+ smpi_mpi_global->mpi_double->size = sizeof(double);
+
+ // mpi operations
+ smpi_mpi_global->mpi_land = xbt_new(s_smpi_mpi_op_t, 1);
+ smpi_mpi_global->mpi_land->func = smpi_mpi_land_func;
+ smpi_mpi_global->mpi_sum = xbt_new(s_smpi_mpi_op_t, 1);
+ smpi_mpi_global->mpi_sum->func = smpi_mpi_sum_func;
+
}
void smpi_global_destroy()
{
- int i;
-
- int size = SIMIX_host_get_number();
-
smpi_do_once_duration_node_t curr, next;
- // start/stop
- SIMIX_mutex_destroy(smpi_global->start_stop_mutex);
- SIMIX_cond_destroy(smpi_global->start_stop_cond);
-
// processes
- xbt_free(smpi_global->sender_processes);
- xbt_free(smpi_global->receiver_processes);
-
- // running hosts
- SIMIX_mutex_destroy(smpi_global->running_hosts_count_mutex);
+ xbt_free(smpi_global->main_processes);
// mallocators
xbt_mallocator_free(smpi_global->request_mallocator);
SIMIX_mutex_destroy(smpi_global->do_once_mutex);
- for (i = 0; i < size; i++) {
- xbt_fifo_free(smpi_global->pending_send_request_queues[i]);
- SIMIX_mutex_destroy(smpi_global->pending_send_request_queues_mutexes[i]);
- xbt_fifo_free(smpi_global->pending_recv_request_queues[i]);
- SIMIX_mutex_destroy(smpi_global->pending_recv_request_queues_mutexes[i]);
- xbt_fifo_free(smpi_global->received_message_queues[i]);
- SIMIX_mutex_destroy(smpi_global->received_message_queues_mutexes[i]);
- }
+ xbt_free(smpi_global);
+ smpi_global = NULL;
- xbt_free(smpi_global->pending_send_request_queues);
- xbt_free(smpi_global->pending_send_request_queues_mutexes);
- xbt_free(smpi_global->pending_recv_request_queues);
- xbt_free(smpi_global->pending_recv_request_queues_mutexes);
- xbt_free(smpi_global->received_message_queues);
- xbt_free(smpi_global->received_message_queues_mutexes);
+ /* free smpi_mpi_global */
+ SIMIX_mutex_destroy(smpi_mpi_global->mpi_comm_world->barrier_mutex);
+ SIMIX_cond_destroy(smpi_mpi_global->mpi_comm_world->barrier_cond);
+ xbt_free(smpi_mpi_global->mpi_comm_world);
- xbt_free(smpi_global);
+ xbt_free(smpi_mpi_global->mpi_byte);
+ xbt_free(smpi_mpi_global->mpi_int);
+ xbt_free(smpi_mpi_global->mpi_double);
+
+ xbt_free(smpi_mpi_global->mpi_land);
+ xbt_free(smpi_mpi_global->mpi_sum);
+
+ xbt_free(smpi_mpi_global);
- smpi_global = NULL;
}
-int smpi_host_index()
+int smpi_process_index()
{
- smx_host_t host = SIMIX_host_self();
- smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
- return hdata->index;
+ smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+ return pdata->index;
}
-smx_mutex_t smpi_host_mutex()
+smx_mutex_t smpi_process_mutex()
{
- smx_host_t host = SIMIX_host_self();
- smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
- return hdata->mutex;
+ smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+ return pdata->mutex;
}
-smx_cond_t smpi_host_cond()
+smx_cond_t smpi_process_cond()
{
- smx_host_t host = SIMIX_host_self();
- smpi_host_data_t hdata = (smpi_host_data_t) SIMIX_host_get_data(host);
- return hdata->cond;
+ smpi_process_data_t pdata = (smpi_process_data_t) SIMIX_process_get_data(SIMIX_process_self());
+ return pdata->cond;
}
int smpi_run_simulation(int *argc, char **argv)
SIMIX_global_init(argc, argv);
- SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
- SIMIX_function_register("smpi_sender", smpi_sender);
- SIMIX_function_register("smpi_receiver", smpi_receiver);
-
- // FIXME: ought to verify these files...
+ // parse the platform file: get the host list
SIMIX_create_environment(argv[1]);
+ SIMIX_function_register("smpi_simulated_main", smpi_simulated_main);
+ SIMIX_launch_application(argv[2]);
+
// must initialize globals between creating environment and launching app....
smpi_global_init();
- SIMIX_launch_application(argv[2]);
-
/* Prepare to display some more info when dying on Ctrl-C pressing */
// FIXME: doesn't work
//signal(SIGINT, inthandler);
xbt_fifo_free(actions_failed);
xbt_fifo_free(actions_done);
- INFO1("simulation time %g", SIMIX_get_clock());
-
smpi_global_destroy();
+ INFO1("simulation time %g", SIMIX_get_clock());
+
SIMIX_clean();
return 0;