-static void action_sleep(const char *const *action)
-{
- const char *duration = action[2];
- double clock = MSG_get_clock();
-
- ACT_DEBUG("Entering %s", NAME);
- MSG_process_sleep(parse_double(duration));
- log_action(action, MSG_get_clock() - clock);
-}
-
-static void action_allReduce(const char *const *action)
-{
- int i;
- char *allreduce_identifier;
- char mailbox[80];
- double comm_size = parse_double(action[2]);
- double comp_size = parse_double(action[3]);
- msg_task_t task = NULL, comp_task = NULL;
- const char *process_name;
- double clock = MSG_get_clock();
-
- process_globals_t counters = (process_globals_t) MSG_process_get_data(MSG_process_self());
-
- xbt_assert(communicator_size, "Size of Communicator is not defined, can't use collective operations");
-
- process_name = MSG_process_get_name(MSG_process_self());
-
- allreduce_identifier = bprintf("allReduce_%d", counters->allReduce_counter++);
-
- if (!strcmp(process_name, "p0")) {
- XBT_DEBUG("%s: %s is the Root", allreduce_identifier, process_name);
-
- msg_comm_t *comms = xbt_new0(msg_comm_t, communicator_size - 1);
- msg_task_t *tasks = xbt_new0(msg_task_t, communicator_size - 1);
- for (i = 1; i < communicator_size; i++) {
- sprintf(mailbox, "%s_p%d_p0", allreduce_identifier, i);
- comms[i - 1] = MSG_task_irecv(&(tasks[i - 1]), mailbox);
- }
- MSG_comm_waitall(comms, communicator_size - 1, -1);
- for (i = 1; i < communicator_size; i++) {
- MSG_comm_destroy(comms[i - 1]);
- MSG_task_destroy(tasks[i - 1]);
- }
- xbt_free(tasks);
-
- comp_task = MSG_task_create("allReduce_comp", comp_size, 0, NULL);
- XBT_DEBUG("%s: computing 'reduce_comp'", allreduce_identifier);
- MSG_task_execute(comp_task);
- MSG_task_destroy(comp_task);
- XBT_DEBUG("%s: computed", allreduce_identifier);
-
- for (i = 1; i < communicator_size; i++) {
- sprintf(mailbox, "%s_p0_p%d", allreduce_identifier, i);
- comms[i - 1] = MSG_task_isend(MSG_task_create(mailbox, 0, comm_size, NULL), mailbox);
- }
- MSG_comm_waitall(comms, communicator_size - 1, -1);
- for (i = 1; i < communicator_size; i++)
- MSG_comm_destroy(comms[i - 1]);
- xbt_free(comms);
-
- XBT_DEBUG("%s: all messages sent by %s have been received", allreduce_identifier, process_name);
- } else {
- XBT_DEBUG("%s: %s sends", allreduce_identifier, process_name);
- sprintf(mailbox, "%s_%s_p0", allreduce_identifier, process_name);
- XBT_DEBUG("put on %s", mailbox);
- MSG_task_send(MSG_task_create(allreduce_identifier, 0, comm_size, NULL), mailbox);
-
- sprintf(mailbox, "%s_p0_%s", allreduce_identifier, process_name);
- MSG_task_receive(&task, mailbox);
- MSG_task_destroy(task);
- XBT_DEBUG("%s: %s has received", allreduce_identifier, process_name);
- }
-
- log_action(action, MSG_get_clock() - clock);
- xbt_free(allreduce_identifier);
-}
-