public void WriteMethod(HillClimbMode temp = HillClimbMode.None)
{
Directory.CreateDirectory("report");
var file = File.OpenWrite($"report\\{ProblemObj.Title}_method.out");
StreamWriter writer = new StreamWriter(file);
writer.WriteLine($"seed: {RandomizationObj.seed}");
writer.WriteLine($"pop.: {ProblemObj.PopulationSize}");
writer.WriteLine($"gen.: {ProblemObj.MaxGeneration}");
switch (temp)
{
case HillClimbMode.None:
writer.WriteLine("Method: Basic NSGAII");
break;
case HillClimbMode.ChildOnly:
writer.WriteLine("Method: NSGAII with hillclimb on child pop");
break;
case HillClimbMode.MixedOnly:
writer.WriteLine("Method: NSGAII with hillclimb on mixed pop");
break;
case HillClimbMode.ParentOnly:
writer.WriteLine("Method: NSGAII with hillclimb on parent pop");
break;
case HillClimbMode.All:
writer.WriteLine("Method: NSGAII with hillclimb on all pops");
break;
case HillClimbMode.BestOfParent:
writer.WriteLine("Method: NSGAII with hillclimb on best of parent pop");
break;
case HillClimbMode.AllBestOfParent:
writer.WriteLine("Method: NSGAII with hillclimb on all best of parent pop");
break;
case HillClimbMode.AdaptiveParent:
writer.WriteLine("Method: NSGAII with adaptive hillclimb on parent pop");
break;
case HillClimbMode.Rank1Best:
writer.WriteLine("Method: NSGAII with hillclimb on best rank 1 parent");
break;
case HillClimbMode.Rank1All:
writer.WriteLine("Method: NSGAII with hillclimb on rank 1 parents");
break;
case HillClimbMode.AdaptiveRank1All:
writer.WriteLine("Method: NSGAII with adaptive hillclimb on rank 1 parents");
break;
}
writer.Flush();
writer.Close();
}
public void NextGeneration(HillClimbMode mode = HillClimbMode.None)
{
if (CurrentGeneration >= ProblemObj.MaxGeneration)
return;
CurrentGeneration++;
Selection(ParentPopulation, ChildPopulation, ProblemObj, RandomizationObj);
MutatePopulation(ChildPopulation, ProblemObj, RandomizationObj);
ChildPopulation.Decode(ProblemObj);
ChildPopulation.Evaluate(ProblemObj);
if (mode == HillClimbMode.All || mode == HillClimbMode.ChildOnly)
{
ChildPopulation.HillClimb(ProblemObj);
}
MixedPopulation.Merge(ParentPopulation, ChildPopulation, ProblemObj);
//mixedPopulation.Decode(ProblemObj);
//mixedPopulation.Evaluate(ProblemObj);
fill_nondominated_sort(MixedPopulation, ParentPopulation, ProblemObj, RandomizationObj);
ParentPopulation.Decode(ProblemObj);
ParentPopulation.Evaluate(ProblemObj);
if (mode == HillClimbMode.All || mode == HillClimbMode.ParentOnly)
{
ParentPopulation.HillClimb(ProblemObj);
}
double minimumResult = ParentPopulation.IndList.Min(x => x.TotalResult);
if (minimumResult < Best)
{
Best = minimumResult;
AdaptiveClimb = 0;
}
else
{
AdaptiveClimb++;
}
if (mode == HillClimbMode.AdaptiveParent && AdaptiveClimb >= 25)
{
ParentPopulation.HillClimb(ProblemObj);
minimumResult = ParentPopulation.IndList.Min(x => x.TotalResult);
Best = minimumResult;
AdaptiveClimb = 0;
}
else if (mode == HillClimbMode.AdaptiveRank1All && AdaptiveClimb >= 25)
{
var rank1All = ParentPopulation.IndList.Where(x => x.Rank == 1);
foreach (var child in rank1All)
{
child.HillClimb(ProblemObj);
}
minimumResult = ParentPopulation.IndList.Min(x => x.TotalResult);
Best = minimumResult;
AdaptiveClimb = 0;
}
var result = minimumResult;
var bestChild = ParentPopulation.IndList.Where(x => x.TotalResult <= result).ToList();
if (mode == HillClimbMode.BestOfParent)
{
bestChild.First().HillClimb(ProblemObj);
}
else if (mode == HillClimbMode.AllBestOfParent)
{
foreach (var child in bestChild)
{
child.HillClimb(ProblemObj);
}
}
else if (mode == HillClimbMode.Rank1Best)
{
var rank1Best = ParentPopulation.IndList.First(x => x.Rank == 1 && x.TotalResult <= result);
rank1Best.HillClimb(ProblemObj);
}
else if (mode == HillClimbMode.Rank1All)
{
var rank1All = ParentPopulation.IndList.Where(x => x.Rank == 1);
foreach (var child in rank1All)
{
child.HillClimb(ProblemObj);
}
}
// Comment following lines if information for all
//parent_pop.ReportPopulation(fpt4,ProblemObj);
if (UsePlot)
{
_displayObj.PlotPopulation(ParentPopulation, ProblemObj, CurrentGeneration, bestChild.ToList());
}
Console.WriteLine(GenerationReport());
Console.WriteLine(BestReport());
}
