Changeset 15718 for branches/1614_GeneralizedQAP/HeuristicLab.Problems.GeneralizedQuadraticAssignment.Algorithms

Timestamp:

02/04/18 21:06:14 (6 years ago)

Author:

abeham

Message:

#1614:

• Scale directed walk fitness values
• Performance improvements to RLD view
• Changed CPLEX to use a single thread only
• Set the context to null when algorithm is stopped

Location:

branches/1614_GeneralizedQAP/HeuristicLab.Problems.GeneralizedQuadraticAssignment.Algorithms/3.3

Files:

• CPLEX/CplexSolver.cs (modified) (1 diff)
• Infrastructure/Algorithms/ContextAlgorithm.cs (modified) (1 diff)

branches/1614_GeneralizedQAP/HeuristicLab.Problems.GeneralizedQuadraticAssignment.Algorithms/3.3/CPLEX/CplexSolver.cs

@@ -63 +63 @@
       cplex.Use(new LogCallback(this, cancellationToken));
       cplex.SetParam(Cplex.DoubleParam.TiLim, MaximumRuntime.TotalSeconds);
+      cplex.SetParam(Cplex.IntParam.Threads, 1);
       var dataSource = new GQAPDataSource(factory, Problem.ProblemInstance);
       using (var settings = factory.CreateOplSettings(factory.CreateOplErrorHandler()))

branches/1614_GeneralizedQAP/HeuristicLab.Problems.GeneralizedQuadraticAssignment.Algorithms/3.3/Infrastructure/Algorithms/ContextAlgorithm.cs

@@ -205 +205 @@
           firstHitGraph.Values[firstHitGraph.Values.Count - 1] = Tuple.Create(elapsed.TotalSeconds, Context.BestQuality);
       }
+      context = null;
       // base call must be done last as the results will be cloned and a run is created
       base.OnStopped();