Changeset 9004 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.TimeSeriesPrognosis/3.4/SymbolicTimeSeriesPrognosisExpressionTreeInterpreter.cs

Timestamp:

12/05/12 19:00:39 (11 years ago)

Author:

gkronber

Message:

#1081: locking for update of evaluated solutions in interpreter and added cloning for fields in result collection

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.TimeSeriesPrognosis/3.4/SymbolicTimeSeriesPrognosisExpressionTreeInterpreter.cs (modified) (5 diffs)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic.TimeSeriesPrognosis/3.4/SymbolicTimeSeriesPrognosisExpressionTreeInterpreter.cs

@@ -82 +82 @@
 
       string targetVariable = TargetVariable;
-      EvaluatedSolutions.Value++; // increment the evaluated solutions counter
-      var state = PrepareInterpreterState(tree, dataset, targetVariableCache);
+      lock (EvaluatedSolutions) {
+        EvaluatedSolutions.Value++; // increment the evaluated solutions counter
+      }
+      var state = PrepareInterpreterState(tree, dataset, targetVariableCache, TargetVariable);
       var rowsEnumerator = rows.GetEnumerator();
       var horizonsEnumerator = horizons.GetEnumerator();
@@ -114 +116 @@
     }
 
-    private InterpreterState PrepareInterpreterState(ISymbolicExpressionTree tree, Dataset dataset, double[] targetVariableCache) {
+    private static InterpreterState PrepareInterpreterState(ISymbolicExpressionTree tree, Dataset dataset, double[] targetVariableCache, string targetVariable) {
       Instruction[] code = SymbolicExpressionTreeCompiler.Compile(tree, OpCodes.MapSymbolToOpCode);
       int necessaryArgStackSize = 0;
@@ -120 +122 @@
         if (instr.opCode == OpCodes.Variable) {
           var variableTreeNode = (VariableTreeNode)instr.dynamicNode;
-          if (variableTreeNode.VariableName == TargetVariable)
+          if (variableTreeNode.VariableName == targetVariable)
             instr.iArg0 = targetVariableCache;
           else
@@ -126 +128 @@
         } else if (instr.opCode == OpCodes.LagVariable) {
           var variableTreeNode = (LaggedVariableTreeNode)instr.dynamicNode;
-          if (variableTreeNode.VariableName == TargetVariable)
+          if (variableTreeNode.VariableName == targetVariable)
             instr.iArg0 = targetVariableCache;
           else
@@ -132 +134 @@
         } else if (instr.opCode == OpCodes.VariableCondition) {
           var variableTreeNode = (VariableConditionTreeNode)instr.dynamicNode;
-          if (variableTreeNode.VariableName == TargetVariable)
+          if (variableTreeNode.VariableName == targetVariable)
             instr.iArg0 = targetVariableCache;
           else