Beispiel #1
0
void NetParEvent::deliver(double tt, NetCvode* nc, NrnThread* nt){
	int seq;
	if (nrn_use_selfqueue_) { //first handle pending flag=1 self events
		nrn_pending_selfqueue(tt, nt);
	}
	// has to be the last event at this time in order to avoid a race
	// condition with HocEvent that may call things such as pc.barrier
	// actually allthread HocEvent (cvode.event(tev) and cvode.event(tev,stmt)
	// will be executed last after a thread join when nrn_allthread_handle
	// is called.
	net_cvode_instance->deliver_events(tt, nt);
	nt->_stop_stepping = 1;
	nt->_t = tt;
#if NRNMPI
    if (nrnmpi_numprocs > 0) {
	MUTLOCK
	seq = ++seqcnt_;
	MUTUNLOCK
      if (seq == nrn_nthread) {
	last_nt_ = nt;
#if BGPDMA
	if (use_bgpdma_) {
		bgp_dma_receive(nt);
	}else{
		nrn_spike_exchange(nt);
	}
#else    
	nrn_spike_exchange(nt);
#endif
	wx_ += wt_;
	ws_ += wt1_;
	seqcnt_ = 0;
     }
   }
Beispiel #2
0
void nrn_finitialize(int setv, double v) {
	int i;
	NrnThread* _nt;

	t = 0.;
	dt2thread(-1.);
	nrn_thread_table_check();
	clear_event_queue();
	nrn_spike_exchange_init();
#if VECTORIZE
	nrn_play_init(); /* Vector.play */
        ///Play events should be executed before initializing events
	for (i=0; i < nrn_nthread; ++i) {
		nrn_deliver_events(nrn_threads + i); /* The play events at t=0 */
	}
	if (setv) {
          for (_nt = nrn_threads; _nt < nrn_threads + nrn_nthread; ++_nt) {
            for (i=0; i < _nt->end; ++i) {
			VEC_V(i) = v;
            }
          }
        }
	for (i=0; i < nrn_nthread; ++i) {
		nrn_ba(nrn_threads + i, BEFORE_INITIAL);
	}
	/* the INITIAL blocks are ordered so that mechanisms that write
	   concentrations are after ions and before mechanisms that read
	   concentrations.
	*/
	/* the memblist list in NrnThread is already so ordered */
	for (i=0; i < nrn_nthread; ++i) {
		NrnThread* nt = nrn_threads + i;
		NrnThreadMembList* tml;
		for (tml = nt->tml; tml; tml = tml->next) {
			mod_f_t s = memb_func[tml->index].initialize;
			if (s) {
				(*s)(nt, tml->ml, tml->index);
			}
		}
	}
#endif

	init_net_events();
	for (i = 0; i < nrn_nthread; ++i) {
		nrn_ba(nrn_threads + i, AFTER_INITIAL);
	}
	for (i=0; i < nrn_nthread; ++i) {
		nrn_deliver_events(nrn_threads + i); /* The INITIAL sent events at t=0 */
	}
        for (i=0; i < nrn_nthread; ++i) {
            setup_tree_matrix_minimal(nrn_threads + i);
        }
	for (i=0; i < nrn_nthread; ++i) {
		nrn_deliver_events(nrn_threads + i); /* The record events at t=0 */
	}
#if NRNMPI
	nrn_spike_exchange(nrn_threads);
#endif
}