/// <summary>
/// Method that receives reports of fitness from the modeler
/// </summary>
/// <param name="Server"></param>
/// <param name="Generation"></param>
/// <param name="Stats"></param>
private void ReceiveFitness(int Server, int Generation, ModelingResults.ServerData Stats)
{
//
// Update the process with the current modeling stats
m_Queue[0].Fitness = Stats.BestFitness;
m_Queue[0].Hits = Stats.BestHits;
m_Queue[0].Complexity = Stats.BestComplexity;
//
// TODO: HACK, HACK, HACK and I know it! I'm not proud of it, but I'm doing
// it anyway. I'm having trouble synchronizing the registration of new clients
// while batch processing is taking place, so this is my hack to deal with it.
UpdatePendingRegistrations();
//
// Broadcast this information
foreach (KeyValuePair <IBatchClient, IBatchClient> Client in m_Clients)
{
Client.Value.ProcessUpdate(Generation);
}
}
/// <summary>
/// Works through the set of distributed servers, gets the best program
/// and records the statistics generated at each server.
/// </summary>
private void UpdateGenerationResults(int Generation, List <IGPModeler> Modelers, ref List <String> BestPrograms)
{
//
// Collect best program from each modeler
BestPrograms = new List <string>(Modelers.Count);
for (int ModelerIndex = 0; ModelerIndex < Modelers.Count; ModelerIndex++)
{
BestPrograms.Add(Modelers[ModelerIndex].BestProgram);
}
#if GPLOG
GPLog.ReportLine("Number of best programs returned: " + BestPrograms.Count, true);
#endif
m_BestFitness = 1000000000.0; // Some crazy big value
m_BestComplexity = 10000000; // Some crazy big value
m_BestHits = 0; // Worst possible value
#if GPLOG
GPLog.ReportLine("Finding Best program among servers...", true);
#endif
//
// Collect the best program and population stats from each server
for (int ModelerIndex = 0; ModelerIndex < Modelers.Count; ModelerIndex++)
{
ModelingResults.ServerData Stats = new ModelingResults.ServerData();
//
// Best program
Modelers[ModelerIndex].GetBestProgramStats(
out Stats.BestFitness,
out Stats.BestHits,
out Stats.BestComplexity);
//
// Population stats
Modelers[ModelerIndex].GetPopulationStats(
out Stats.FitnessMaximum,
out Stats.FitnessAverage,
out Stats.ComplexityMinimum,
out Stats.ComplexityMaximum,
out Stats.ComplexityAverage);
Stats.FitnessMinimum = Stats.BestFitness;
//
// Reports this back to the UI
if (m_DELReportFitness != null)
{
m_DELReportFitness(Generation, ModelerIndex, Stats);
}
#if GPLOG
GPLog.ReportLine(" Testing Program - Fitness: " + Stats.BestFitness + " Hits: " + Stats.BestHits + " Complexity: " + Stats.BestComplexity, false);
#endif
//
// Track the best program string
if (Stats.BestFitness < m_BestFitness)
{
m_BestProgram = BestPrograms[ModelerIndex];
m_BestFitness = Stats.BestFitness;
m_BestHits = Stats.BestHits;
m_BestComplexity = Stats.BestComplexity;
}
else if (Stats.BestFitness == m_BestFitness && Stats.BestComplexity < m_BestComplexity)
{
m_BestProgram = BestPrograms[ModelerIndex];
m_BestFitness = Stats.BestFitness;
m_BestHits = Stats.BestHits;
m_BestComplexity = Stats.BestComplexity;
}
}
#if GPLOG
if (BestUpdated)
{
GPLog.ReportLine(" A best program was found", false);
}
else
{
GPLog.ReportLine(" No best program was updated!!", false);
GPLog.ReportLine(" Modeler Count: " + Modelers.Count, false);
}
#endif
if (m_DELGenerationComplete != null)
{
m_DELGenerationComplete();
}
}
/// <summary>
/// Used to report the last generation stats for each server
/// </summary>
/// <param name="Generation">Generation of thedata</param>
/// <param name="Server">Index of the server being reported</param>
/// <param name="Stats">The actual data</param>
public void ReportFitness(int Generation, int Server, ModelingResults.ServerData Stats)
{
//
// Record this data in the results object
m_ServerData.ReportServerData(Generation, Server, Stats);
}