void Awake()
{
if (_instance == null)
{
_instance = this;
}
else if (_instance != null)
{
Destroy(this.gameObject);
}
tempEnemies = FindObjectsOfType <Enemy>();
if (testing)
{
percentageChance1 = 0;
percentageChance2 = 0;
}
else
{
percentageChance1 = 1 - percentageChance1;
percentageChance2 = 1 - percentageChance2;
}
FilterEnemies();
}
public void TellMapping(XIL3Instr instr, long cstep, IXILMapping mapping)
{
foreach (int rslot in instr.ResultSlots)
{
if (!_interlinks.ContainsKey(rslot))
{
_interlinks[rslot] = new Interlink(rslot);
}
}
var sources = instr.OperandSlots.Select(os => _interlinks[os]).ToArray();
var sinks = instr.ResultSlots.Select(rs => _interlinks[rs]).ToArray();
var verbs = mapping.Realize(sources, sinks);
long curStep = cstep;
foreach (var verb in verbs)
{
var pflow = verb.ToCombFlow();
foreach (var flow in pflow.Flows)
{
var sflow = flow as SignalFlow;
if (sflow == null)
{
continue;
}
if (sflow.Target.Desc.HasAttribute <int>())
{
int index = sflow.Target.Desc.QueryAttribute <int>();
_interlinks[index].Driver = sflow.Source.Desc;
_interlinks[index].DriveTime = curStep;
}
else if (sflow.Source.Desc.HasAttribute <int>())
{
Dictionary <ISignalOrPortDescriptor, int> fanIn;
if (!_fanIn.TryGetValue(sflow.Target.Desc, out fanIn))
{
fanIn = new Dictionary <ISignalOrPortDescriptor, int>();
_fanIn[sflow.Target.Desc] = fanIn;
}
int index = sflow.Source.Desc.QueryAttribute <int>();
var driver = _interlinks[index].Driver;
if (driver == null)
{
continue;
}
int slack = (int)(curStep - _interlinks[index].DriveTime);
int prevSlack;
if (!fanIn.TryGetValue(driver, out prevSlack) ||
prevSlack > slack)
{
fanIn[driver] = slack;
}
}
}
}
object iclass = mapping.TASite.Host.GetType();
HashSet <object> fuSet;
if (!_fuCount.TryGetValue(iclass, out fuSet))
{
fuSet = new HashSet <object>();
_fuCount[iclass] = fuSet;
}
fuSet.Add(mapping.TASite);
}
public EAllocationDecision SelectBestMapping(XIL3Instr instr, long cstep, IEnumerable <IXILMapping> mappings, out IXILMapping bestMapping)
{
foreach (int rslot in instr.ResultSlots)
{
_interlinks[rslot] = new Interlink(rslot);
}
bestMapping = null;
double bestCost = double.MaxValue;
foreach (var mapping in mappings)
{
var sources = instr.OperandSlots.Select(os => _interlinks[os]).ToArray();
var sinks = instr.ResultSlots.Select(rs => _interlinks[rs]).ToArray();
var verbs = mapping.Realize(sources, sinks);
long curStep = cstep;
double cost = 0.0;
foreach (var verb in verbs)
{
var pflow = verb.ToCombFlow();
foreach (var flow in pflow.Flows)
{
var sflow = flow as SignalFlow;
if (sflow == null)
{
continue;
}
if (sflow.Source.Desc.HasAttribute <int>() &&
!sflow.Target.Desc.HasAttribute <int>())
{
int index = sflow.Source.Desc.QueryAttribute <int>();
var driver = _interlinks[index].Driver;
if (driver == null)
{
continue;
}
var fanIn = _fanIn[sflow.Target.Desc];
foreach (int v in fanIn.Values)
{
cost += Math.Pow(2.0, -v);
}
int prevSlack;
if (fanIn.TryGetValue(driver, out prevSlack))
{
cost -= Math.Pow(2.0, -prevSlack);
}
int slack = (int)(curStep - _interlinks[index].DriveTime);
cost += Math.Pow(2.0, -slack);
}
}
curStep++;
}
cost /= instr.OperandSlots.Length;
if (cost < bestCost)
{
bestCost = cost;
bestMapping = mapping;
}
}
object iclass = mappings.First().TASite.Host.GetType();
var fuSet = _fuCount[iclass];
int curCount = fuSet.Count;
int limit;
if (!FULimits.TryGetValue(iclass, out limit))
{
limit = int.MaxValue;
}
if (curCount < limit &&
bestCost > MaxCost)
{
return(EAllocationDecision.AllocateNew);
}
else
{
return(EAllocationDecision.UseExisting);
}
}
