Changeset 767 for trunk/sources/HeuristicLab.GP

Timestamp:

11/16/08 00:39:50 (16 years ago)

Author:

gkronber

Message:

worked on #364 (Improve GP evaluation performance)

• removed list of Instr
• changes that didn't affect performance directly: reduced size of Instr class, added 'constant-folding' and pre-calculation of skip-lengths

File:

• trunk/sources/HeuristicLab.GP/BakedFunctionTree.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.GP/BakedFunctionTree.cs

@@ -32 +32 @@
 
   public class LightWeightFunction {
-    public int arity = 0;
+    public byte arity = 0;
     public IFunction functionType;
     public List<double> data = new List<double>();
@@ -116 +116 @@
     private void FlattenTrees() {
       if(treesExpanded) {
-        linearRepresentation[0].arity = subTrees.Count;
+        linearRepresentation[0].arity = (byte)subTrees.Count;
         foreach(BakedFunctionTree subTree in subTrees) {
           subTree.FlattenVariables();
@@ -295 +295 @@
       foreach(XmlNode entryNode in linearRepresentationNode.ChildNodes) {
         LightWeightFunction f = new LightWeightFunction();
-        f.arity = int.Parse(entryNode.Attributes["Arity"].Value, CultureInfo.InvariantCulture);
+        f.arity = byte.Parse(entryNode.Attributes["Arity"].Value, CultureInfo.InvariantCulture);
         if(entryNode.Attributes["Data"]!=null) 
           f.data = GetList<double>(entryNode.Attributes["Data"].Value, s => double.Parse(s, CultureInfo.InvariantCulture));