Changeset 6495 for trunk/sources/HeuristicLab/3.3/Tests/CollectObjectGraphTest.cs

Timestamp:

06/28/11 23:29:26 (13 years ago)

Author:

cneumuel

Message:

#1569 checked in test-case

File:

• trunk/sources/HeuristicLab/3.3/Tests/CollectObjectGraphTest.cs (modified) (4 diffs)

trunk/sources/HeuristicLab/3.3/Tests/CollectObjectGraphTest.cs

@@ -25 +25 @@
 using System.Linq;
 using System.Threading;
+using System.Threading.Tasks;
 using HeuristicLab.Algorithms.GeneticAlgorithm;
 using HeuristicLab.Common;
@@ -30 +31 @@
 using HeuristicLab.Persistence.Default.Xml;
 using HeuristicLab.Problems.TestFunctions;
-using HeuristicLab.Random;
 using HeuristicLab.SequentialEngine;
 using Microsoft.VisualStudio.TestTools.UnitTesting;
@@ -96 +96 @@
     [TestMethod]
     public void AlgorithmExecutions() {
-      var random = new MersenneTwister(0);
       var algs = new List<IAlgorithm>();
 
@@ -117 +116 @@
       }
     }
+
+    /// <summary>
+    /// Test the execution of many algorithms in parallel
+    /// </summary>
+    [TestMethod]
+    public void ParallelAlgorithmExecutions() {
+      int n = 60;
+      var tasks = new Task[n];
+
+      TestContext.WriteLine("creating tasks...");
+      for (int i = 0; i < n; i++) {
+        tasks[i] = new Task((iobj) => {
+          int locali = (int)iobj;
+          GeneticAlgorithm ga = new GeneticAlgorithm();
+          ga.Name = "Alg " + locali;
+          ga.PopulationSize.Value = 5;
+          ga.MaximumGenerations.Value = 5;
+          ga.Engine = new SequentialEngine();
+          ga.Problem = new SingleObjectiveTestFunctionProblem();
+          ga.Prepare(true);
+          Console.WriteLine("{0}; Objects before execution: {1}", ga.Name, ga.GetObjectGraphObjects().Count());
+          var sw = new Stopwatch();
+          sw.Start();
+          ga.StartSync(new CancellationToken());
+          sw.Stop();
+          Console.WriteLine("{0}; Objects after execution: {1}", ga.Name, ga.GetObjectGraphObjects().Count());
+          Console.WriteLine("{0}; ExecutionTime: {1} ", ga.Name, sw.Elapsed);
+        }, i);
+      }
+      TestContext.WriteLine("starting tasks...");
+      for (int i = 0; i < n; i++) {
+        tasks[i].Start();
+      }
+      TestContext.WriteLine("waiting for tasks to finish...");
+      Task.WaitAll(tasks);
+    }
   }
 }