/// <summary>
/// Gets the current tuning scores.
/// </summary>
/// <param name="currentGeneration">The current generation.</param>
/// <returns>The current tuning scores.</returns>
private GrayBoxSimulationTuningScores GetCurrentTuningScores(int currentGeneration)
{
var currentTuningScores = new GrayBoxSimulationTuningScores(
currentGeneration,
this._listOfBlackBoxEvaluationRunTimesInCurrentGeneration.Count,
TimeSpan.FromMilliseconds(
this._listOfBlackBoxEvaluationRunTimesInCurrentGeneration.Average(runtime => runtime.TotalMilliseconds)),
TimeSpan.FromMilliseconds(this._listOfGrayBoxEvaluationRunTimesInCurrentGeneration.Average(runtime => runtime.TotalMilliseconds)),
this._bagOfPercentageOfTournamentWinnerChangesPerTournament.Average(),
this._bagOfAdaptedWsCoefficientsPerTournament.Average());
return(currentTuningScores);
}
/// <summary>
/// Logs the total tuning scores.
/// </summary>
/// <param name="listOfTuningScores">The list of tuning scores.</param>
private void LogTotalTuningScores(List <GrayBoxSimulationTuningScores> listOfTuningScores)
{
var totalNumberOfEvaluations = listOfTuningScores.Sum(score => score.NumberOfEvaluations);
// Set generation to -1, since it gets overwritten by "total".
var totalTuningScores = new GrayBoxSimulationTuningScores(
-1,
totalNumberOfEvaluations,
TimeSpan.FromMilliseconds(
listOfTuningScores.Sum(score => score.AveragedBlackBoxEvaluationRuntime.TotalMilliseconds * score.NumberOfEvaluations)
/ totalNumberOfEvaluations),
TimeSpan.FromMilliseconds(
listOfTuningScores.Sum(score => score.AveragedGrayBoxEvaluationRuntime.TotalMilliseconds * score.NumberOfEvaluations)
/ totalNumberOfEvaluations),
listOfTuningScores.Average(score => score.AveragedPercentageOfTournamentWinnerChanges),
listOfTuningScores.Average(score => score.AveragedAdaptedWsCoefficient));
this._tuningScoresRecorder.WriteRow(totalTuningScores.ToStringArray("total"));
}
/// <summary>
/// Initializes all log file recorder.
/// </summary>
private void InitializeLogFileRecorder()
{
// Get log file suffix from current simulation configuration.
var logFileSuffix =
$"SG_{this._simulationConfiguration.GrayBoxStartGeneration}_ST_{this._simulationConfiguration.GrayBoxStartTimePoint.TotalMilliseconds:0}_CT_{this._simulationConfiguration.GrayBoxConfidenceThreshold:0.####}_ID_{ProcessUtils.GetCurrentProcessId()}";
// Get feature importance header from first element in data dictionary.
var featureImportanceHeader =
new[] { "Generation", }.Concat(
this._customGrayBoxMethods.GetGrayBoxFeatureNamesFromDataRecord(this._dataDictionary.Values.First().First())).ToArray();
// Define instance count header.
var instanceCountHeader = new[]
{
"Instance",
"CancelledBlackBoxRuns",
"FinishedBlackBoxRuns",
"CancelledGrayBoxRuns",
"FinishedGrayBoxRuns",
};
// Initialize log file recorder.
this._featureImportanceRecorder = new StringArrayRecorder(
new FileInfo(Path.Combine(this._logFileDirectory.FullName, $"featureImportance_{logFileSuffix}.csv")),
featureImportanceHeader,
true);
this._predictionScoresRecorder = new StringArrayRecorder(
new FileInfo(Path.Combine(this._logFileDirectory.FullName, $"predictionScores_{logFileSuffix}.csv")),
GrayBoxSimulationPredictionScores.GetHeader(),
true);
this._tuningScoresRecorder = new StringArrayRecorder(
new FileInfo(Path.Combine(this._logFileDirectory.FullName, $"tuningScores_{logFileSuffix}.csv")),
GrayBoxSimulationTuningScores.GetHeader(),
true);
this._instanceCountRecorder = new StringArrayRecorder(
new FileInfo(Path.Combine(this._logFileDirectory.FullName, $"instanceCounts_{logFileSuffix}.csv")),
instanceCountHeader,
true);
}