*/
private double getPerformanceOfPredictedBest(IPerformancePredictor predictor,
Features features, List<ConfigurationEntry> configEntriesForPrediction,
Map<Configuration, PerformanceTuple> configTupleMap) {
Collections.sort(configEntriesForPrediction,
new PerformancePredictingComparator(features, predictor));
return configTupleMap.get(configEntriesForPrediction.get(0).getConfig())
.getPerformance();
}