public void tick()
{
//must be the very first thing that's done
cycles++;
// if (cycles % 1000000 == 0)
// Console.WriteLine("{0} - {1} - {2}",Sim.MLPINC,Sim.MLPDEC,Sim.MLPINC - Sim.MLPDEC);
meta_mctrl.tick(cid);
wbthrottle.tick();
mwbmode.tick(cid);
// if (cycles % 1000000 == 0)
// {
// Console.WriteLine("DRAM Read Access Times: {0}", DRAMRead);
// Console.WriteLine("DRAM Write Access Times:{0}",DRAMWrite);
// Console.WriteLine("NVM Read Access Times: {0}",NVMRead);
// Console.WriteLine("NVM Write Access Times:{0}",NVMWrite);
// DRAMRead=0;
// DRAMWrite=0;
// NVMRead =0;
// NVMWrite=0;
// }
//load stats
for (int p = 0; p < Config.N; p++)
{
//read load
if (rload_per_proc[p] > 0)
{
Stat.mctrls[cid].rbinaryloadtick_per_proc[p].Collect();
}
Stat.mctrls[cid].rloadtick_per_proc[p].Collect(rload_per_proc[p]);
//write load
if (wload_per_proc[p] > 0)
{
Stat.mctrls[cid].wbinaryloadtick_per_proc[p].Collect();
}
Stat.mctrls[cid].wloadtick_per_proc[p].Collect(wload_per_proc[p]);
}
//busy/idle stats
if (rload > 0)
{
read_loaded_time++;
if (read_unloaded_time > 0)
{
//Stat.mctrls[cid].read_unloaded_time.Collect(read_unloaded_time);
}
read_unloaded_time = 0;
}
else
{
read_unloaded_time++;
if (read_loaded_time > 0)
{
//Stat.mctrls[cid].read_loaded_time.Collect(read_loaded_time);
}
read_loaded_time = 0;
}
/*** writeback mode ***/
update_wb_mode();
/*
* if (wb_mode && cid == 0) {
* Console.WriteLine("==={0}==============================================", cycles);
* Console.WriteLine("Reads to Drain: {0}", reads_to_drain);
* Console.WriteLine("Writes Serviced: {0}", ((DecoupledWBFullServeN) mwbmode).serve_cnt[0]);
* uint r = 0;
* for (uint b = 0; b < bmax; b++) {
* Console.Write("{0}\t", b);
* foreach (Cmd cmd in cmdqs[r, b]) {
* Console.Write("{0} {1}\t", cmd.type.ToString(), can_schedule_cmd(cmd));
* }
* Console.WriteLine();
* }
* }
*/
/*** clock factor ***/
if (cycles % Config.mem.clock_factor != 0)
{
return;
}
if ((Config.proc.cache_insertion_policy == "PFA") && (cycles % (6 * Config.mem.clock_factor) == 0))
{
int indexi, indexj;
for (indexi = 0; indexi < rmax; indexi++)
{
for (indexj = 0; indexj < bmax; indexj++)
{
Measurement.read_MLP_cal(ref readqs[indexi, indexj]);
Measurement.write_MLP_cal(ref writeqs[indexi, indexj]);
Measurement.MLP_cal(ref inflightqs[indexi, indexj]);
}
}
}
/*** serve completed request ***/
if (bus_q.Count > 0 && bus_q[0].ts <= cycles)
{
MemAddr addr = bus_q[0].addr;
bus_q.RemoveAt(0);
List <Req> inflight_q = inflightqs[addr.rid, addr.bid];
Dbg.Assert(inflight_q.Count > 0);
Dbg.Assert(addr == inflight_q[0].addr);
Req req = inflight_q[0];
inflight_q.RemoveAt(0);
if (Config.proc.cache_insertion_policy == "PFA")
{
Measurement.NVMBankPidDeUpdate(req);
}
dequeue_req(req);
}
Cmd best_cmd = find_best_cmd();
Req best_req = find_best_req();
//nothing to issue
if (best_cmd == null && best_req == null)
{
if (Config.proc.cache_insertion_policy == "PFA")
{
CheckBusConflict();
}
return;
}
//arbitrate between command and request
bool is_issue_req = false;
if (best_req != null && best_cmd == null)
{
is_issue_req = true;
}
else if (best_req == null && best_cmd != null)
{
is_issue_req = false;
}
else
{
if (best_req == __better_req(best_cmd.req, best_req))
{
is_issue_req = true;
}
else
{
is_issue_req = false;
}
}
//issue command or request
if (is_issue_req)
{
if (!best_req.migrated_request)
{
if (Config.proc.cache_insertion_policy == "RBLA")
{
RowStat.UpdateDict(RowStat.NVMDict, best_req, this);
}
else if (Config.proc.cache_insertion_policy == "PFA")
{
RowStat.UpdateDict(RowStat.NVMDict, best_req, this);
// Measurement.NVMBankPidEnUpdate(best_req);
}
}
if (Config.proc.cache_insertion_policy == "PFA")
{
Measurement.NVMBankPidEnUpdate(best_req);
}
issue_req(best_req);
}
else
{
issue_cmd(best_cmd);
}
if (Config.proc.cache_insertion_policy == "PFA")
{
CheckBusConflict();
}
}