Changeset 9569 for trunk/sources/HeuristicLab.Algorithms.OffspringSelectionGeneticAlgorithm/3.3/SASEGASAMainLoop.cs

Timestamp:

06/03/13 14:39:36 (11 years ago)

Author:

mkommend

Message:

#2038: Added reevaluation of elites in ES, IslandGA, IslandOSGA, OSGA, SASEGASA, and RAPGA.

File:

• trunk/sources/HeuristicLab.Algorithms.OffspringSelectionGeneticAlgorithm/3.3/SASEGASAMainLoop.cs (modified) (4 diffs)

trunk/sources/HeuristicLab.Algorithms.OffspringSelectionGeneticAlgorithm/3.3/SASEGASAMainLoop.cs

@@ -73 +73 @@
       get { return (ValueLookupParameter<IntValue>)Parameters["Elites"]; }
     }
+    public IValueLookupParameter<BoolValue> ReevaluateElitesParameter {
+      get { return (IValueLookupParameter<BoolValue>)Parameters["ReevaluateElites"]; }
+    }
     public ValueLookupParameter<ResultCollection> ResultsParameter {
       get { return (ValueLookupParameter<ResultCollection>)Parameters["Results"]; }
@@ -134 +137 @@
       Parameters.Add(new ValueLookupParameter<IOperator>("Evaluator", "The operator used to evaluate solutions. This operator is executed in parallel, if an engine is used which supports parallelization."));
       Parameters.Add(new ValueLookupParameter<IntValue>("Elites", "The numer of elite solutions which are kept in each generation."));
+      Parameters.Add(new ValueLookupParameter<BoolValue>("ReevaluateElites", "Flag to determine if elite individuals should be reevaluated (i.e., if stochastic fitness functions are used.)"));
       Parameters.Add(new ValueLookupParameter<ResultCollection>("Results", "The results collection to store the results."));
       Parameters.Add(new ValueLookupParameter<IOperator>("Analyzer", "The operator used to the analyze the villages."));
@@ -236 +240 @@
       mainOperator.CurrentSuccessRatioParameter.ActualName = "CurrentSuccessRatio";
       mainOperator.ElitesParameter.ActualName = ElitesParameter.Name;
+      mainOperator.ReevaluateElitesParameter.ActualName = ReevaluateElitesParameter.Name;
       mainOperator.EvaluatedSolutionsParameter.ActualName = EvaluatedSolutionsParameter.Name;
       mainOperator.EvaluatorParameter.ActualName = EvaluatorParameter.Name;
@@ -424 +429 @@
     }
 
+    [StorableHook(HookType.AfterDeserialization)]
+    private void AfterDeserialization() {
+      if (!Parameters.ContainsKey("ReevaluateElites")) {
+        Parameters.Add(new ValueLookupParameter<BoolValue>("ReevaluateElites", "Flag to determine if elite individuals should be reevaluated (i.e., if stochastic fitness functions are used.)"));
+      }
+    }
+
     public override IOperation Apply() {
       if (CrossoverParameter.ActualValue == null)