// Fonction permettant de faire muter un solver
static void Mutate(ParametrizeSolver solver, Random r)
{
int luck;
// Probabilité de mutation et degré de mutation
int probMut = 2;
int mutRate = 1;
// Pour chaque paramètre on regarde
for (int i = 0; i < 3; i++)
{
luck = r.Next(10);
if (luck > probMut)
{
if (luck > 5)
{
solver.Params[i] += mutRate;
}
else if (solver.Params[i] > 0)
{
solver.Params[i] -= mutRate;
}
}
}
}
static void Main(string[] args)
{
// Initialisations
Setup();
int nbGen = 10; // Nombre de génération
int nbIndiv = 100; // Nombre d'individus de la population
int nbCible = 20; // Nombre d'exemple a résoudre
Random r = new Random();
List <ParametrizeSolver> _population = new List <ParametrizeSolver>();
List <EvaluableBoard> _targets = new List <EvaluableBoard>();
//Initialisation Création de la population
Console.Write("Initializing population : ");
for (int _ = 0; _ < nbIndiv; _++)
{
int max = 10;
//ParametrizeSolver current = new ParametrizeSolver(r.Next(0, max), r.Next(0, max), r.Next(0, max), r.Next(0, max), r.Next(0, max));
ParametrizeSolver current = new ParametrizeSolver(7, 4, 8);//,9,4);
Mutate(current, r);
_population.Add(current);
}
Console.Write(_population.Count + " solver created.");
// Initialisation : Creation des cibles
Console.Write(" - Initializing targets : ");
for (int _ = 0; _ < nbCible; _++)
{
Board b = new Board(5);
Fill(b);
EvaluableBoard target = new EvaluableBoard(b);
_targets.Add(target);
}
Console.Write(_targets.Count + " target created. \n \n");
// Life Loop
Console.WriteLine("Starting Life Loop :\n");
for (int i = 0; i < nbGen; i++)
{
Console.ForegroundColor = ConsoleColor.DarkBlue;
Console.Write("Starting generation {0}", i);
// Mélanger les cibles
Console.ForegroundColor = ConsoleColor.DarkCyan;
// Updating targets
_targets = new List <EvaluableBoard>();
for (int _ = 0; _ < nbCible; _++)
{
Board b = new Board(5);
Fill(b);
b = Shuffle(b, r, 100 * (i + 1)); // Difficulté du mélange
EvaluableBoard target = new EvaluableBoard(b);
_targets.Add(target);
}
Console.WriteLine(" - All targets shuffled - Starting :");
// Calculating performances
Console.ForegroundColor = ConsoleColor.Black;
int top = Console.CursorTop;
foreach (ParametrizeSolver solver in _population)
{
List <TimeSpan> _performances = new List <TimeSpan>();
int progress = (_population.IndexOf(solver) + 1);
string progressStr = new String('=', progress);
foreach (EvaluableBoard board in _targets)
{
Stopwatch chrono = solver.Solve(board);
TimeSpan perf = chrono.Elapsed;
_performances.Add(perf);
}
// Informations d'avancement
Console.SetCursorPosition(0, top);
Console.Write("\rProgress [" + progressStr + new String(' ', (nbIndiv - progress)) + "] - ");
Console.ForegroundColor = ConsoleColor.Red;
Console.Write(progress + "% \n");
Console.ForegroundColor = ConsoleColor.Black;
// Calcul du temps moyen
var averageTimespan = new TimeSpan(Convert.ToInt64(_performances.Average(ts => ts.Ticks)));
solver.performance = averageTimespan;
}
_population = _population.OrderBy(s => s.performance).ToList();
ParametrizeSolver _currentBest = _population[0];
Console.ForegroundColor = ConsoleColor.Green;
//Console.Write("Result of generation {0} : Best solver mean time is {1}, with p1 = {2} - p2 = {3} - p3 = {4} - p4 = {5} - p5 = {6}\n",i, _currentBest.performance, _currentBest.Params[0], _currentBest.Params[1], _currentBest.Params[2], _currentBest.Params[3], _currentBest.Params[4]);
Console.Write("Result of generation {0} : Best solver mean time is {1}, with p1 = {2} - p2 = {3} - p3 = {4}\n", i, _currentBest.performance, _currentBest.Params[0], _currentBest.Params[1], _currentBest.Params[2]);
ParametrizeSolver _currentWorst = _population[nbIndiv - 1];
Console.ForegroundColor = ConsoleColor.DarkRed;
//Console.Write("Result of generation {0} : Worst solver mean time is {1}, with p1 = {2} - p2 = {3} - p3 = {4} - p4 = {5} - p5 = {6}\n\n", i, _currentWorst.performance, _currentWorst.Params[0], _currentWorst.Params[1], _currentWorst.Params[2], _currentBest.Params[3], _currentBest.Params[4]);
Console.Write("Result of generation {0} : Worst solver mean time is {1}, with p1 = {2} - p2 = {3} - p3 = {4}\n\n", i, _currentWorst.performance, _currentWorst.Params[0], _currentWorst.Params[1], _currentWorst.Params[2]);
Console.ForegroundColor = ConsoleColor.Black;
// Dealing with generation decendance...
_population = _population.GetRange(0, nbIndiv / 2);
// Evolution pour la génération suivante
while (_population.Count < nbIndiv - nbIndiv / 4)
{
// Choix de parents
ParametrizeSolver father = _population[r.Next(0, _population.Count)]; // /2 Pour favoriser les meilleurs pas forcément
ParametrizeSolver mother = _population[r.Next(0, _population.Count)]; // La meilleure solution
int param1, param2, param3; //, param4, param5;
int gene1, gene2, gene3; //, gene4, gene5;
gene1 = r.Next(0, 2);
gene2 = r.Next(0, 2);
gene3 = r.Next(0, 2);
//gene4 = r.Next(0, 2);
//gene5 = r.Next(0, 2);
param1 = gene1 == 0 ? father.Params[0] : mother.Params[0];
param2 = gene2 == 0 ? father.Params[1] : mother.Params[1];
param3 = gene3 == 0 ? father.Params[2] : mother.Params[2];
//param4 = gene4 == 0 ? father.Params[3] : mother.Params[3];
//param5 = gene5 == 0 ? father.Params[4] : mother.Params[4];
// Création et mutation d'un enfant
ParametrizeSolver child = new ParametrizeSolver(param1, param2, param3);//, param4, param5);
Mutate(child, r);
_population.Add(child);
}
// Ajout d'objets aléatoire pour agrandir la diversité
while (_population.Count < nbIndiv)
{
int max = 10;
ParametrizeSolver current = new ParametrizeSolver(r.Next(0, max), r.Next(0, max), r.Next(0, max));//, r.Next(0, max), r.Next(0, max));
Mutate(current, r);
_population.Add(current);
}
}
Console.Read();
}