예제 #1
0
        public static NeuralNetworkFactory GetInstance()
        {
            var somaFactory      = SomaFactory.GetInstance(new SimpleSummation());
            var axonFactory      = AxonFactory.GetInstance(new TanhActivationFunction());
            var random           = new Random();
            var randomInit       = new RandomWeightInitializer(random);
            var synapseFactory   = SynapseFactory.GetInstance(randomInit, axonFactory);
            var ioSynapseFactory = SynapseFactory.GetInstance(new ConstantWeightInitializer(1.0), AxonFactory.GetInstance(new IdentityActivationFunction()));

            return(new NeuralNetworkFactory(somaFactory, axonFactory, synapseFactory, ioSynapseFactory, randomInit));
        }
        static void Main(string[] args)
        {
            NeuralNetworkConfigurationSettings networkConfig = new NeuralNetworkConfigurationSettings
            {
                NumInputNeurons    = 1,
                NumOutputNeurons   = 1,
                NumHiddenLayers    = 2,
                NumHiddenNeurons   = 3,
                SummationFunction  = new SimpleSummation(),
                ActivationFunction = new TanhActivationFunction()
            };
            GenerationConfigurationSettings generationSettings = new GenerationConfigurationSettings
            {
                UseMultithreading    = true,
                GenerationPopulation = 500
            };
            EvolutionConfigurationSettings evolutionSettings = new EvolutionConfigurationSettings
            {
                NormalMutationRate  = 0.05,
                HighMutationRate    = 0.5,
                GenerationsPerEpoch = 10,
                NumEpochs           = 1000,
                NumTopEvalsToReport = 10
            };
            MutationConfigurationSettings mutationSettings = new MutationConfigurationSettings
            {
                MutateAxonActivationFunction       = true,
                MutateNumberOfHiddenLayers         = true,
                MutateNumberOfHiddenNeuronsInLayer = true,
                MutateSomaBiasFunction             = true,
                MutateSomaSummationFunction        = true,
                MutateSynapseWeights = true
            };
            var random = new RandomWeightInitializer(new Random());
            INeuralNetworkFactory factory          = NeuralNetworkFactory.GetInstance(SomaFactory.GetInstance(networkConfig.SummationFunction), AxonFactory.GetInstance(networkConfig.ActivationFunction), SynapseFactory.GetInstance(new RandomWeightInitializer(new Random()), AxonFactory.GetInstance(networkConfig.ActivationFunction)), SynapseFactory.GetInstance(new ConstantWeightInitializer(1.0), AxonFactory.GetInstance(new IdentityActivationFunction())), random);
            IBreeder            breeder            = BreederFactory.GetInstance(factory, random).Create();
            IMutator            mutator            = MutatorFactory.GetInstance(factory, random).Create(mutationSettings);
            IEvalWorkingSet     history            = EvalWorkingSetFactory.GetInstance().Create(50);
            IEvaluatableFactory evaluatableFactory = new GameEvaluationFactory();

            IStorageProxy proxy  = new NodeJSProxy(1, "http://localhost:3000", "123456789");
            IEpochAction  action = new BestPerformerUpdater(proxy);

            var GAFactory             = GeneticAlgorithmFactory.GetInstance(evaluatableFactory);
            IGeneticAlgorithm evolver = GAFactory.Create(networkConfig, generationSettings, evolutionSettings, factory, breeder, mutator, history, evaluatableFactory, action);

            evolver.RunSimulation();
        }