Added feature to save fitness history as csv, for plotting on a graph.

Author: primaryobjects

AIProgrammer.GA/GA.cs

@@ -42,6 +42,7 @@ namespace AIProgrammer.GeneticAlgorithm
 	public class GA
 	{
         public GAParams GAParams { get; set; }
+        private string _historyPath = Directory.GetCurrentDirectory() + "\\history.txt";
 
 		/// <summary>
 		/// Default constructor sets mutation rate to 5%, crossover to 80%, population to 100,
@@ -118,7 +119,10 @@ public void Go(bool resume = false)
 
                 if (GAParams.CurrentGeneration % 100 == 0)
                 {
-                    Console.WriteLine("Generation " + GAParams.CurrentGeneration + ", Best Fitness: " + fitness + ", Best Age: " + GAParams.m_thisGeneration[GAParams.m_thisGeneration.Count - 1].age);
+                    Console.WriteLine("Generation " + GAParams.CurrentGeneration + ", Best Fitness: " + fitness);
+
+                    // Record history timeline.
+                    File.AppendAllText(_historyPath, DateTime.Now.ToString() + "," + fitness + "," + GAParams.targetFitness + "," + GAParams.CurrentGeneration + "\r\n");
                 }
 
                 if (GAParams.targetFitness > 0 && fitness >= GAParams.targetFitness)

AIProgrammer/Program.cs

@@ -4,6 +4,9 @@
 using System.Text;
 using System.Threading.Tasks;
 using AIProgrammer.GeneticAlgorithm;
+using AIProgrammer.Repository.Interface;
+using RSSAutoGen.Repository.Concrete;
+using AIProgrammer.Types;
 
 namespace AIProgrammer
 {
@@ -23,7 +26,7 @@ class Program
         private static int bestiteration = 0; // Current iteration (generation) count.
         private static bool bestnoerrors = false; // Indicator if the program had errors or not.
         private static DateTime bestlastchangedate = DateTime.Now; // Time of last improved evolution.
-        private static int maxIterationCount = 5000; // Max iterations a program may run before being killed (prevents infinite loops).
+        private static int maxIterationCount = 2500; // Max iterations a program may run before being killed (prevents infinite loops).
         private static string targetString = "reddit"; // Target string to generate a program to print.
 
         /// <summary>
@@ -34,7 +37,7 @@ private static void OnGeneration(GA ga)
             if (bestiteration++ > 1000)
             {
                 bestiteration = 0;
-                Console.WriteLine("Best Fitness: " + bestfitness + ", No Errors?: " + bestnoerrors + ", Best Output: " + bestoutput + ", Changed: " + bestlastchangedate.ToString() + ", Program: " + bestprogram);
+                Console.WriteLine("Best Fitness: " + bestfitness + "/" + ga.GAParams.targetFitness + " " + Math.Round(bestfitness / ga.GAParams.targetFitness * 100) + "%, Best Output: " + bestoutput + ", Changed: " + bestlastchangedate.ToString() + ", Program: " + bestprogram);
 
                 ga.Save("my-genetic-algorithm.dat");
             }