コード例 #1
0
ファイル: GeodysseyApp.cs プロジェクト: vcer007/geodyssey
        static int Main(string[] args)
        {
            // Get a URI from the command line argument
            Uri uri;

            try
            {
                uri = new Uri(args[0]);
            }
            catch (UriFormatException)
            {
                string absPath = Directory.GetCurrentDirectory() + Path.DirectorySeparatorChar + args[0];
                try
                {
                    uri = new Uri(absPath);
                }
                catch (UriFormatException)
                {
                    return(1);
                }
            }

            ReportLogger.Instance.Create("report.xml");
            ReportLogger.Instance.Writer.WriteStartDocument();
            ReportLogger.Instance.Writer.WriteStartElement("GeodysseyRun");

            Stopwatch overallWatch = new Stopwatch();

            overallWatch.Start();
            //Console.WriteLine("Start!");
            int initialMinimumGenomeLength = 50;
            int initialMaximumGenomeLength = 100;
            int initialPopulationSize      = 1000;
            int finalPopulationSize        = 100;
            int numberOfGenerations        = 100;

            double populationPowerBase = Math.Pow((double)finalPopulationSize / (double)initialPopulationSize, 1.0 / numberOfGenerations);

            int totalNumberOfIndividuals = 0;

            // Determine how many individuals will be produced in this run
            for (int i = 0; i < numberOfGenerations; ++i)
            {
                int inc = (int)Math.Round(initialPopulationSize * Math.Pow(populationPowerBase, i + 1));
                //Console.WriteLine(inc);
                totalNumberOfIndividuals += inc;
            }
            Console.WriteLine("Total Number of Individuals = {0}", totalNumberOfIndividuals);
            Console.WriteLine("Mean Invididuals per Generation = {0}", totalNumberOfIndividuals / numberOfGenerations);

            // Load a target grid
            //RegularGrid2D targetGrid;
            //using (StreamReader reader = File.OpenText("target.grd"))
            //{
            //    targetGrid = RegularGrid2D.Create(reader);
            //}

            GeodysseyModel model = new GeodysseyModel();

            LoaderController.Instance.Open(uri, model);
            IRegularGrid2D targetGrid = model[0]; // The first grid

            Debug.Assert(targetGrid != null);
            Grid2DDomain domain = new Grid2DDomain(targetGrid);

            Stopwatch  stopWatch  = new Stopwatch();
            Population population = new Population(domain, initialPopulationSize, initialMinimumGenomeLength, initialMaximumGenomeLength);

            for (int i = 0; i < numberOfGenerations; ++i)
            {
                stopWatch.Reset();
                stopWatch.Start();
                population.ComputeFitnesses();
                stopWatch.Stop();
                TimeSpan ts = stopWatch.Elapsed;
                ReportLogger.Instance.Writer.WriteStartElement("Generation");
                ReportLogger.Instance.Writer.WriteStartAttribute("number");
                ReportLogger.Instance.Writer.WriteValue(i + 1);
                ReportLogger.Instance.Writer.WriteEndAttribute();
                ReportLogger.Instance.Writer.WriteStartAttribute("elapsedTime");
                ReportLogger.Instance.Writer.WriteValue(ts);
                ReportLogger.Instance.Writer.WriteEndAttribute();
                RecordBest(targetGrid, population, i, domain);
                population.LogSummaryStatistics();
                ReportLogger.Instance.Writer.WriteEndElement();
                Console.WriteLine("Generation {0} of {1} with size {2} in {3}) ", i + 1, numberOfGenerations, population.Count, ts);
                int nextGenerationSize = (int)Math.Round(initialPopulationSize * Math.Pow(populationPowerBase, i + 1));
                population.Evolve(nextGenerationSize);
            }
            population.ComputeFitnesses();
            RecordBest(targetGrid, population, numberOfGenerations, domain);
            Console.WriteLine("Generation {0} of {1} with size {2}) ", numberOfGenerations, numberOfGenerations, population.Count);
            overallWatch.Stop();
            Console.WriteLine("Running time : {0}", overallWatch.Elapsed);
            ReportLogger.Instance.Writer.WriteEndElement();
            ReportLogger.Instance.Writer.WriteEndDocument();
            ReportLogger.Instance.Close();
            Console.ReadKey();
            return(0);
        }
コード例 #2
0
 public GeodysseyGrid2DBuilder(GeodysseyModel model)
 {
     this.model = model;
 }