Changeset 11968 for branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers

Timestamp:

02/07/15 02:04:59 (10 years ago)

Author:

bburlacu

Message:

#1772: Small performance tweaks to the TraceCalculator. Reverted SubtreeCrossover to old behavior: do not clone subtrees (as it breaks tracing).

File:

• branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers/SubtreeCrossover.cs (modified) (1 diff)

branches/HeuristicLab.EvolutionTracking/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/Crossovers/SubtreeCrossover.cs

@@ -109 +109 @@
         return parent0;
       } else {
-        var selectedBranch = (ISymbolicExpressionTreeNode)SelectRandomBranch(random, allowedBranches, internalCrossoverPointProbability).Clone();
+        var selectedBranch = SelectRandomBranch(random, allowedBranches, internalCrossoverPointProbability);
 
         if (crossoverPoint0.Child != null) {