private static RunInfo RunOnce(BulldozerAlgorithm<double> algorithm, Properties properties, string evolutionLogName)
{
var success = false;
Chromosome chromosome = null;
var simplificationRules = AlgebraicRules.Get()
.Where(z => z.Tags.Contains(StdTags.SafeResection))
.ToList();
var stopwatch = new Stopwatch();
stopwatch.Start();
for (var i = 0; i < properties.IterationCount; ++i)
{
algorithm.MakeIteration();
if (OnlineSimplification(algorithm, properties))
{
if (Balancer.TraceEvolution) WriteEvolutionLog(algorithm, evolutionLogName);
algorithm.SimplifyPool(simplificationRules);
}
if (Balancer.ShowTrace) Trace(algorithm);
if (Balancer.TraceEvolution) WriteEvolutionLog(algorithm, evolutionLogName);
success = IsSuccess(algorithm, properties.Threshold, out chromosome);
if(success)
{
break;
}
}
stopwatch.Stop();
var treeChromosome = (TreeChromosome)chromosome;
return new RunInfo
{
Success = success,
ElapsedSeconds = stopwatch.Elapsed.TotalSeconds,
ElapsedIterations = algorithm.CurrentIteration,
ID = chromosome != null ? treeChromosome.ID : -1,
ResultRepresentation = chromosome != null
? treeChromosome.Tree.ToPrefixForm()
: null
};
}
private static bool OnlineSimplification(BulldozerAlgorithm<double> algorithm, Properties properties)
{
return properties.OnlineSimplification
&& algorithm.CurrentIteration % properties.OnlineSimplificationRate == 0;
}
