Changeset 12509 for trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeNode.cs

Timestamp:

06/25/15 13:46:24 (9 years ago)

Author:

mkommend

Message:

#2276: Reintegrated branch for dataset refactoring.

File:

• trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeNode.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Encodings.SymbolicExpressionTreeEncoding/3.4/SymbolicExpressionTreeNode.cs

@@ -175 +175 @@
 
     public IEnumerable<ISymbolicExpressionTreeNode> IterateNodesBreadth() {
-      var list = new List<ISymbolicExpressionTreeNode>() { this };
+      var list = new List<ISymbolicExpressionTreeNode>(GetLength()) { this };
       int i = 0;
       while (i != list.Count) {
@@ -193 +193 @@
     public void ForEachNodePrefix(Action<ISymbolicExpressionTreeNode> a) {
       a(this);
-      if (Subtrees != null) {
-        foreach (var subtree in Subtrees) {
-          subtree.ForEachNodePrefix(a);
+      if (subtrees != null) {
+        //avoid linq to reduce memory pressure
+        for (int i = 0; i < subtrees.Count; i++) {
+          subtrees[i].ForEachNodePrefix(a);
         }
       }
@@ -207 +208 @@
 
     public void ForEachNodePostfix(Action<ISymbolicExpressionTreeNode> a) {
-      if (Subtrees != null) {
-        foreach (var subtree in Subtrees) {
-          subtree.ForEachNodePostfix(a);
+      if (subtrees != null) {
+        //avoid linq to reduce memory pressure
+        for (int i = 0; i < subtrees.Count; i++) {
+          subtrees[i].ForEachNodePostfix(a);
         }
       }