Changeset 9569 for trunk/sources/HeuristicLab.Algorithms.OffspringSelectionGeneticAlgorithm/3.3/OffspringSelectionGeneticAlgorithmMainOperator.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/OffspringSelectionGeneticAlgorithmMainOperator.cs (modified) (6 diffs)

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

@@ -67 +67 @@
       get { return (ValueLookupParameter<IntValue>)Parameters["Elites"]; }
     }
+    public IValueLookupParameter<BoolValue> ReevaluateElitesParameter {
+      get { return (IValueLookupParameter<BoolValue>)Parameters["ReevaluateElites"]; }
+    }
     public LookupParameter<DoubleValue> ComparisonFactorParameter {
       get { return (LookupParameter<DoubleValue>)Parameters["ComparisonFactor"]; }
@@ -98 +101 @@
       : base() {
       Initialize();
+    }
+
+    [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.)"));
+      }
     }
 
@@ -112 +122 @@
       Parameters.Add(new LookupParameter<IntValue>("EvaluatedSolutions", "The number of evaluated solutions."));
       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 LookupParameter<DoubleValue>("ComparisonFactor", "The comparison factor is used to determine whether the offspring should be compared to the better parent, the worse parent or a quality value linearly interpolated between them. It is in the range [0;1]."));
       Parameters.Add(new LookupParameter<DoubleValue>("CurrentSuccessRatio", "The current success ratio."));
@@ -159 +170 @@
       LeftReducer leftReducer = new LeftReducer();
       MergingReducer mergingReducer2 = new MergingReducer();
+      ConditionalBranch reevaluateElitesBranch = new ConditionalBranch();
+      UniformSubScopesProcessor uniformSubScopesProcessor7 = new UniformSubScopesProcessor();
+      Placeholder evaluator4 = new Placeholder();
+      SubScopesCounter subScopesCounter4 = new SubScopesCounter();
 
       selector.Name = "Selector (placeholder)";
@@ -253 +268 @@
       worstSelector.NumberOfSelectedSubScopesParameter.ActualName = ElitesParameter.Name;
       worstSelector.QualityParameter.ActualName = QualityParameter.Name;
+
+      reevaluateElitesBranch.ConditionParameter.ActualName = "ReevaluateElites";
+      reevaluateElitesBranch.Name = "Reevaluate elites ?";
+
+      uniformSubScopesProcessor7.Parallel.Value = true;
+
+      evaluator4.Name = "Evaluator (placeholder)";
+      evaluator4.OperatorParameter.ActualName = EvaluatorParameter.Name;
+
+      subScopesCounter4.Name = "Increment EvaluatedSolutions";
+      subScopesCounter4.ValueParameter.ActualName = EvaluatedSolutionsParameter.Name;
       #endregion
 
@@ -310 +336 @@
       subScopesProcessor3.Successor = mergingReducer2;
       bestSelector.Successor = rightReducer;
-      rightReducer.Successor = null;
+      rightReducer.Successor = reevaluateElitesBranch;
+      reevaluateElitesBranch.TrueBranch = uniformSubScopesProcessor7;
+      uniformSubScopesProcessor7.Operator = evaluator4;
+      uniformSubScopesProcessor7.Successor = subScopesCounter4;
+      subScopesCounter4.Successor = null;
+      reevaluateElitesBranch.FalseBranch = null;
+      reevaluateElitesBranch.Successor = null;
       worstSelector.Successor = leftReducer;
       leftReducer.Successor = null;