Changeset 6728 for trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Analyzers/SymbolicDataAnalysisSingleObjectiveValidationBestSolutionAnalyzer.cs

Timestamp:

09/09/11 10:45:50 (13 years ago)

Author:

gkronber

Message:

#1557 implemented parallel evaluation in analyzers using ParallelEnumerable extension methods.

File:

• trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Analyzers/SymbolicDataAnalysisSingleObjectiveValidationBestSolutionAnalyzer.cs (modified) (1 diff)

trunk/sources/HeuristicLab.Problems.DataAnalysis.Symbolic/3.4/Analyzers/SymbolicDataAnalysisSingleObjectiveValidationBestSolutionAnalyzer.cs

@@ -76 +76 @@
       ISymbolicExpressionTree bestTree = null;
       ISymbolicExpressionTree[] tree = SymbolicExpressionTree.ToArray();
-      double[] quality = new double[tree.Length];
       var evaluator = EvaluatorParameter.ActualValue;
+      var problemData = ProblemDataParameter.ActualValue;
       IEnumerable<int> rows = GenerateRowsToEvaluate();
       if (!rows.Any()) return base.Apply();
 
       IExecutionContext childContext = (IExecutionContext)ExecutionContext.CreateChildOperation(evaluator);
+      var quality = tree
+        .AsParallel()
+        .Select(t => evaluator.Evaluate(childContext, t, problemData, rows))
+        .ToArray();
+
       for (int i = 0; i < tree.Length; i++) {
-        quality[i] = evaluator.Evaluate(childContext, tree[i], ProblemDataParameter.ActualValue, rows);
         if (IsBetter(quality[i], bestQuality, Maximization.Value)) {
           bestQuality = quality[i];