+ 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]);
+ m_task_t task = MSG_task_create(to,0,parse_double(size),NULL);
+
+ smx_rdv_t rdv = MSG_mailbox_get_by_alias(to);
+
+ if(SIMIX_comm_has_recv_match(rdv, task_recv_matching, NULL)) {
+ XBT_DEBUG("Switching back to MSG_task_send: %s", to);
+ MSG_task_send(task, to);
+ } else {
+
+ msg_comm_t comm = MSG_task_isend_with_matching(task, to, /*matching madness*/NULL,task);
+ xbt_dynar_push(globals->isends,&comm);
+
+ if (task->simdata->message_size < 65536) {
+ /* Close your eyes, it burns ! */
+ comm->s_comm->comm.dst_proc = SIMIX_process_get_by_name(action[2]);
+ comm->s_comm->comm.dst_buff = NULL;
+ comm->s_comm->comm.dst_buff_size = NULL;
+ comm->s_comm->comm.dst_data = NULL;
+ comm->s_comm->state = SIMIX_READY;
+ comm->s_comm->comm.refcount++;
+ SIMIX_comm_start(comm->s_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 int task_sent_matching(void*ignored,void*sent_task) {
+ m_task_t t = (m_task_t)sent_task;
+ if (t!=NULL && MSG_task_get_data_size(t)<65536)
+ return 1; /* that's supposed to be already arrived */
+ return 0; /* rendez-vous mode: it's not there yet */
+}
+
+static void action_recv(const char *const *action)
+{
+ char *name = NULL;
+ char mailbox_name[250];
+ m_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, " ");
+
+ /* The next chunk is to deal with the fact that for short messages,
+ * if the send occurs before the receive, the message is already sent and
+ * buffered on receiver side when the recv() occurs.
+ *
+ * So the next chunk detects this fact and cancel the simix communication instead.
+ */
+
+ /* make sure the rdv is created on need by asking to MSG instead of simix directly */
+ smx_rdv_t rdv = MSG_mailbox_get_by_alias(mailbox_name);
+ smx_action_t act = SIMIX_comm_get_send_match(rdv, task_sent_matching, NULL);
+ if (act!=NULL){
+ /* FIXME account for the memcopy time if needed */
+ task = act->comm.src_data;
+
+ if (task->simdata->message_size < 65536) {
+ act->comm.refcount--; /* See action_send for more pain */
+ if(act->state == SIMIX_DONE)
+ SIMIX_comm_finish(act);
+ else
+ SIMIX_req_comm_wait(act, -1.0);
+ return;
+ }
+ }
+
+#ifdef HAVE_TRACING
+ int rank = get_rank(MSG_process_get_name(MSG_process_self()));
+ int src_traced = get_rank(action[2]);
+ TRACE_smpi_ptp_in(rank, src_traced, rank, "recv");
+#endif
+
+ XBT_DEBUG("Receiving: %s", name);
+ /* Mimic a call to MSG_task_receive(&task, mailbox_name); */
+ SIMIX_req_comm_recv(rdv, &task, NULL, NULL, &task, -1.0);
+
+ // MSG_task_receive(&task, MSG_process_get_name(MSG_process_self()));
+ XBT_VERB("%s %f", name, MSG_get_clock() - clock);
+ MSG_task_destroy(task);
+
+ if (XBT_LOG_ISENABLED(actions, xbt_log_priority_verbose))
+ free(name);
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out(rank, src_traced, rank, "recv");
+ TRACE_smpi_recv(rank, src_traced, rank);
+#endif
+
+ 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()));
+#ifdef HAVE_TRACING
+ int rank = get_rank(MSG_process_get_name(MSG_process_self()));
+ int src_traced = get_rank(action[2]);
+ globals->last_Irecv_sender_id = src_traced;
+ MSG_process_set_data(MSG_process_self(), (void *) globals);
+
+ TRACE_smpi_ptp_in(rank, src_traced, rank, "Irecv");
+#endif
+
+ sprintf(mailbox, "%s_%s", action[2],
+ MSG_process_get_name(MSG_process_self()));
+ m_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);
+
+#ifdef HAVE_TRACING
+ TRACE_smpi_ptp_out(rank, src_traced, rank, "Irecv");
+#endif
+
+ asynchronous_cleanup();
+}
+
+
+static void action_wait(const char *const *action)
+{
+ char *name = NULL;