Changeset 13243

Timestamp:

11/18/15 12:00:10 (9 years ago)

Author:

mkommend

Message:

#2512: Introduced syncRoot for synchronizing access to the random object.

File:

• trunk/sources/HeuristicLab.Problems.GrammaticalEvolution/3.4/ArtificialAnt/GEArtificialAntProblem.cs (modified) (3 diffs)

trunk/sources/HeuristicLab.Problems.GrammaticalEvolution/3.4/ArtificialAnt/GEArtificialAntProblem.cs

@@ -22 +22 @@
 #endregion
 
-using System.Diagnostics.Contracts;
 using System.Linq;
 using HeuristicLab.Common;
@@ -99 +98 @@
     }
 
+    private readonly object syncRoot = new object();
     public override double Evaluate(Individual individual, IRandom random) {
       var vector = individual.IntegerVector();
@@ -110 +110 @@
       // However, results depend on the order of execution. Therefore, results might be different for the same seed when using the parallel engine.
       IRandom fastRand;
-      lock (random) {
+      lock (syncRoot) {
         fastRand = new FastRandom(random.Next());
       }