public void __enqueue_req(Req req, List <Req> q)
{
//timestamp
req.ts_arrival = cycles;
/* // do any analysis
* if (Config.collect_reuse == true) {
* if (Sim.reuse[req.pid].ContainsKey(req.block_addr))
* Sim.reuse[req.pid][req.block_addr] = Sim.reuse[req.pid][req.block_addr] + 1;
* else
* Sim.reuse[req.pid].Add(req.block_addr, 1);
* }
*/
// check if cache hit
bool cache_serviced = false;
// don't allow cache writeback requests to be re-cached
if (Config.proc.cache && Sim.caches[Sim.get_cache(req.pid)].is_cached(req) && (!req.migrated_request))
{
if (Config.proc.cache_insertion_policy == "PFA")
{
Measurement.mem_num_inc(req);
}
Sim.caches[Sim.get_cache(req.pid)].promote(req);
//stats
if (req.type == ReqType.RD)
{
Stat.procs[req.pid].cache_read.Collect();
Stat.procs[req.pid].cache_hit_rate_read.Collect(1);
Sim.caches[Sim.get_cache(req.pid)].service(req);
cache_serviced = true;
}
else
{
switch (Config.proc.cache_write_policy)
{
case "WriteThrough":
// displace entry
Sim.caches[Sim.get_cache(req.pid)].displace(req);
break;
case "WriteBack":
Stat.procs[req.pid].cache_write.Collect();
Stat.procs[req.pid].cache_hit_rate_write.Collect(1);
Sim.caches[Sim.get_cache(req.pid)].service(req);
cache_serviced = true;
break;
}
}
}
if (!cache_serviced)
{
if (!req.migrated_request)
{
Sim.NVM_req_num = Sim.NVM_req_num + 1;
}
if ((!req.migrated_request) && (Config.proc.cache_insertion_policy == "PFA"))
{
Measurement.mem_num_inc(req);
}
if (Config.proc.cache_insertion_policy == "PFA")
{
Measurement.NVMCoreReqNumInc(req);
}
q.Add(req);
if (req.type == ReqType.WR)
{
Dbg.Assert(mctrl_writeq.Count < mctrl_writeq.Capacity);
mctrl_writeq.Add(req);
}
//sched
meta_mctrl.enqueue_req(req); //does nothing for now
//stats
if (!req.cache_wb)
{
if (req.type == ReqType.RD)
{
rload++;
rload_per_proc[req.pid]++;
rload_per_procrankbank[req.pid, req.addr.rid, req.addr.bid]++;
Stat.procs[req.pid].cache_hit_rate_read.Collect(0);
}
else
{
wload++;
wload_per_proc[req.pid]++;
wload_per_procrankbank[req.pid, req.addr.rid, req.addr.bid]++;
Stat.procs[req.pid].cache_hit_rate_write.Collect(0);
}
}
else
{
if (req.type == ReqType.RD)
{
rload++;
}
else
{
wload++;
}
}
}
}