+static void action_send(const char *const *action)
+{
+ char *name = NULL;
+ char to[250];
+ const char *size_str = action[3];
+ double size = parse_double(size_str);
+ double clock = MSG_get_clock(); /* this "call" is free thanks to inlining */
+
+ sprintf(to, "%s_%s", MSG_process_get_name(MSG_process_self()), action[2]);
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join_array(action, " ");
+
+ XBT_DEBUG("Entering Send: %s (size: %lg)", name, size);
+ if (size < 65536) {
+ action_Isend(action);
+ } else {
+ MSG_task_send(MSG_task_create(name, 0, size, NULL), to);
+ }
+
+ XBT_VERB("%s %f", name, MSG_get_clock() - clock);
+
+ free(name);
+ asynchronous_cleanup();
+}
+
+static void action_Isend(const char *const *action)
+{
+ char to[250];
+ const char *size = action[3];
+ double clock = MSG_get_clock();
+ process_globals_t globals =
+ (process_globals_t) MSG_process_get_data(MSG_process_self());
+
+
+ sprintf(to, "%s_%s", MSG_process_get_name(MSG_process_self()), action[2]);
+ msg_comm_t comm =
+ MSG_task_isend(MSG_task_create(to, 0, parse_double(size), NULL), to);
+ xbt_dynar_push(globals->isends, &comm);
+
+ XBT_DEBUG("Isend on %s", MSG_process_get_name(MSG_process_self()));
+ XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock);
+
+ asynchronous_cleanup();
+}
+
+
+static void action_recv(const char *const *action)
+{
+ char *name = NULL;
+ char mailbox_name[250];
+ msg_task_t task = NULL;
+ double clock = MSG_get_clock();
+
+ sprintf(mailbox_name, "%s_%s", action[2],
+ MSG_process_get_name(MSG_process_self()));
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join_array(action, " ");
+
+ XBT_DEBUG("Receiving: %s", name);
+ msg_error_t res = MSG_task_receive(&task, mailbox_name);
+ // MSG_task_receive(&task, MSG_process_get_name(MSG_process_self()));
+ XBT_VERB("%s %f", name, MSG_get_clock() - clock);
+
+ if (res == MSG_OK) {
+ MSG_task_destroy(task);
+ }
+
+ free(name);
+ asynchronous_cleanup();
+}
+
+static void action_Irecv(const char *const *action)
+{
+ char mailbox[250];
+ double clock = MSG_get_clock();
+ process_globals_t globals =
+ (process_globals_t) MSG_process_get_data(MSG_process_self());
+
+ XBT_DEBUG("Irecv on %s", MSG_process_get_name(MSG_process_self()));
+
+ sprintf(mailbox, "%s_%s", action[2],
+ MSG_process_get_name(MSG_process_self()));
+ msg_task_t t = NULL;
+ xbt_dynar_push(globals->tasks, &t);
+ msg_comm_t c =
+ MSG_task_irecv(xbt_dynar_get_ptr
+ (globals->tasks, xbt_dynar_length(globals->tasks) - 1),
+ mailbox);
+ xbt_dynar_push(globals->irecvs, &c);
+
+ XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock);
+
+ asynchronous_cleanup();
+}
+
+
+static void action_wait(const char *const *action)
+{
+ char *name = NULL;
+ msg_task_t task = NULL;
+ msg_comm_t comm;
+ double clock = MSG_get_clock();
+ process_globals_t globals =
+ (process_globals_t) MSG_process_get_data(MSG_process_self());
+
+ xbt_assert(xbt_dynar_length(globals->irecvs),
+ "action wait not preceded by any irecv: %s",
+ xbt_str_join_array(action, " "));
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join_array(action, " ");
+
+ XBT_DEBUG("Entering %s", name);
+ comm = xbt_dynar_pop_as(globals->irecvs, msg_comm_t);
+ MSG_comm_wait(comm, -1);
+ task = xbt_dynar_pop_as(globals->tasks, msg_task_t);
+ MSG_comm_destroy(comm);
+ MSG_task_destroy(task);
+
+ XBT_VERB("%s %f", name, MSG_get_clock() - clock);
+ free(name);
+}
+
+/* FIXME: that's a poor man's implementation: we should take the message exchanges into account */
+static void action_barrier(const char *const *action)
+{
+ char *name = NULL;
+ static smx_mutex_t mutex = NULL;
+ static smx_cond_t cond = NULL;
+ static int processes_arrived_sofar = 0;
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join_array(action, " ");
+
+ if (mutex == NULL) { // first arriving on the barrier
+ mutex = simcall_mutex_init();
+ cond = simcall_cond_init();
+ processes_arrived_sofar = 0;
+ }
+ XBT_DEBUG("Entering barrier: %s (%d already there)", name,
+ processes_arrived_sofar);
+
+ simcall_mutex_lock(mutex);
+ if (++processes_arrived_sofar == communicator_size) {
+ simcall_cond_broadcast(cond);
+ simcall_mutex_unlock(mutex);
+ } else {
+ simcall_cond_wait(cond, mutex);
+ simcall_mutex_unlock(mutex);
+ }
+
+ XBT_DEBUG("Exiting barrier: %s", name);
+
+ processes_arrived_sofar--;
+ if (!processes_arrived_sofar) {
+ simcall_cond_destroy(cond);
+ simcall_mutex_destroy(mutex);
+ mutex = NULL;
+ }
+
+ free(name);
+
+}
+
+static void action_reduce(const char *const *action)
+{
+ char *reduce_identifier;
+ char mailbox[80];
+ double comm_size = parse_double(action[2]);
+ double comp_size = parse_double(action[3]);
+ msg_task_t 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());
+
+ reduce_identifier = bprintf("reduce_%d", counters->reduce_counter++);
+
+ if (!strcmp(process_name, "p0")) {
+ XBT_DEBUG("%s: %s is the Root", reduce_identifier, process_name);
+
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ msg_task_t *tasks = xbt_new0(msg_task_t, communicator_size - 1);
+ int i;
+
+ for (i = 1; i < communicator_size; i++) {
+ sprintf(mailbox, "%s_p%d_p0", reduce_identifier, i);
+ xbt_dynar_push_as(comms, msg_comm_t,
+ MSG_task_irecv(&(tasks[i - 1]), mailbox));
+ }
+ MSG_comm_waitall(comms, -1);
+
+ msg_comm_t comm;
+ unsigned int cursor;
+ xbt_dynar_foreach(comms, cursor, comm) {
+ MSG_comm_destroy(comm);
+ MSG_task_destroy(tasks[cursor]);
+ }
+ free(tasks);
+ xbt_dynar_free(&comms);
+
+ comp_task = MSG_task_create("reduce_comp", comp_size, 0, NULL);
+ XBT_DEBUG("%s: computing 'reduce_comp'", reduce_identifier);
+ MSG_task_execute(comp_task);
+ MSG_task_destroy(comp_task);
+ XBT_DEBUG("%s: computed", reduce_identifier);
+
+ } else {
+ XBT_DEBUG("%s: %s sends", reduce_identifier, process_name);
+ sprintf(mailbox, "%s_%s_p0", reduce_identifier, process_name);
+ XBT_DEBUG("put on %s", mailbox);
+ MSG_task_send(MSG_task_create(reduce_identifier, 0, comm_size, NULL),
+ mailbox);
+ }
+
+ XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock);
+ free(reduce_identifier);
+}
+
+static void action_bcast(const char *const *action)
+{
+ int i;
+ char *bcast_identifier;
+ char mailbox[80];
+ double comm_size = parse_double(action[2]);
+ msg_task_t 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());
+
+ bcast_identifier = bprintf("bcast_%d", counters->bcast_counter++);
+
+ if (!strcmp(process_name, "p0")) {
+ XBT_DEBUG("%s: %s is the Root", bcast_identifier, process_name);
+
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+
+
+ for (i = 1; i < communicator_size; i++) {
+ sprintf(mailbox, "%s_p0_p%d", bcast_identifier, i);
+ xbt_dynar_push_as(comms, msg_comm_t,
+ MSG_task_isend(MSG_task_create
+ (mailbox, 0, comm_size, NULL), mailbox));
+ }
+ MSG_comm_waitall(comms, -1);
+
+ msg_comm_t comm;
+ unsigned int cursor;
+ xbt_dynar_foreach(comms, cursor, comm) {
+ MSG_comm_destroy(comm);
+ }
+ xbt_dynar_free(&comms);
+
+
+ XBT_DEBUG("%s: all messages sent by %s have been received",
+ bcast_identifier, process_name);
+
+ } else {
+ sprintf(mailbox, "%s_p0_%s", bcast_identifier, process_name);
+ MSG_task_receive(&task, mailbox);
+ MSG_task_destroy(task);
+ XBT_DEBUG("%s: %s has received", bcast_identifier, process_name);
+ }
+
+ XBT_VERB("%s %f", xbt_str_join_array(action, " "), MSG_get_clock() - clock);
+ free(bcast_identifier);
+}
+
+
+static void action_sleep(const char *const *action)
+{
+ char *name = NULL;
+ const char *duration = action[2];
+ double clock = MSG_get_clock();
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join_array(action, " ");
+
+ XBT_DEBUG("Entering %s", name);
+ MSG_process_sleep(parse_double(duration));
+ XBT_VERB("%s %f ", name, MSG_get_clock() - clock);
+
+ free(name);
+}
+
+static void action_allReduce(const char *const *action)
+{
+ 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);
+
+ xbt_dynar_t comms = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ msg_task_t *tasks = xbt_new0(msg_task_t, communicator_size - 1);
+ int i;
+ for (i = 1; i < communicator_size; i++) {
+ sprintf(mailbox, "%s_p%d_p0", allreduce_identifier, i);
+ xbt_dynar_push_as(comms, msg_comm_t,
+ MSG_task_irecv(&(tasks[i - 1]), mailbox));
+ }
+ MSG_comm_waitall(comms, -1);
+
+ msg_comm_t comm;
+ unsigned int cursor;
+ xbt_dynar_foreach(comms, cursor, comm) {
+ MSG_comm_destroy(comm);
+ MSG_task_destroy(tasks[cursor]);
+ }
+ 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);
+
+ xbt_dynar_reset(comms);
+ for (i = 1; i < communicator_size; i++) {
+ sprintf(mailbox, "%s_p0_p%d", allreduce_identifier, i);
+ xbt_dynar_push_as(comms, msg_comm_t,
+ MSG_task_isend(MSG_task_create
+ (mailbox, 0, comm_size, NULL), mailbox));
+ }
+ MSG_comm_waitall(comms, -1);
+ xbt_dynar_foreach(comms, cursor, comm) {
+ MSG_comm_destroy(comm);
+ }
+ xbt_dynar_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);
+ }
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose)) {
+ char *a = xbt_str_join_array(action, " ");
+ XBT_VERB("%s %f", a, MSG_get_clock() - clock);
+ free(a);
+ }
+ free(allreduce_identifier);
+}
+
+static void action_comm_size(const char *const *action)
+{
+ char *name = NULL;
+ const char *size = action[2];
+ double clock = MSG_get_clock();
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join_array(action, " ");
+ communicator_size = parse_double(size);
+ XBT_VERB("%s %f", name, MSG_get_clock() - clock);
+ free(name);
+}
+
+static void action_compute(const char *const *action)
+{
+ char *name = NULL;
+ const char *amout = action[2];
+ msg_task_t task = MSG_task_create(name, parse_double(amout), 0, NULL);
+ double clock = MSG_get_clock();
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ name = xbt_str_join_array(action, " ");
+ XBT_DEBUG("Entering %s", name);
+ MSG_task_execute(task);
+ MSG_task_destroy(task);
+ XBT_VERB("%s %f", name, MSG_get_clock() - clock);
+ free(name);
+}
+
+static void action_init(const char *const *action)
+{
+ XBT_DEBUG("Initialize the counters");
+ process_globals_t globals =
+ (process_globals_t) calloc(1, sizeof(s_process_globals_t));
+ globals->isends = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ globals->irecvs = xbt_dynar_new(sizeof(msg_comm_t), NULL);
+ globals->tasks = xbt_dynar_new(sizeof(msg_task_t), NULL);
+ MSG_process_set_data(MSG_process_self(), globals);
+
+}
+
+static void action_finalize(const char *const *action)
+{
+ process_globals_t globals =
+ (process_globals_t) MSG_process_get_data(MSG_process_self());
+ if (globals) {
+ xbt_dynar_free_container(&(globals->isends));
+ xbt_dynar_free_container(&(globals->irecvs));
+ xbt_dynar_free_container(&(globals->tasks));
+ free(globals);
+ }