/// <summary>
/// Generate new random population
/// </summary>
/// <param name="chromosomesCount"></param>
/// <returns></returns>
private List <List <double> > GeneratePopulation(int chromosomesCount)
{
List <List <double> > generation = new List <List <double> >();
ServiceWeightsGenerator serviceWeightsGenerator = new ServiceWeightsGenerator();
Random rnd = new Random(DateTime.Now.Millisecond);
Parallel.For(0, chromosomesCount, i =>
{
lock (_sync)
{
generation.Add(serviceWeightsGenerator.GenerateMemoryWeights(NetworkStructure, rnd));
}
});
return(generation);
}
/// <summary>
/// Cataclysm operation
/// </summary>
/// <param name="generation"></param>
/// <param name="removingPercent"></param>
/// <returns></returns>
private List <List <double> > DoCataclysm(List <List <double> > generation, double removingPercent = 0.5)
{
// Thanos snap:
int generationRemovedResultCount = (int)(generation.Count * removingPercent);
ShuffleList(generation);
// Creating queue by generation list:
Queue <List <double> > generationInQueue = new Queue <List <double> >(generation);
ServiceWeightsGenerator serviceWeightsGenerator = new ServiceWeightsGenerator();
Random rnd = new Random(DateTime.Now.Millisecond);
for (int i = 0; i < generationRemovedResultCount; i++)
{
generationInQueue.Dequeue();
generationInQueue.Enqueue(serviceWeightsGenerator.GenerateMemoryWeights(NetworkStructure, rnd));
}
return(generationInQueue.ToList());
}