static void Benchmark(object obj, uint iterations, string suffix = null)
{
var bench = new BenchShark(true);
var result = bench.EvaluateDecoratedTasks(obj, iterations);
var results = result.FastestEvaluations.Select(x =>
{
var series = x.Iterations.Select(it => (double)it.ElapsedTicks).ToArray();
Array.Sort(series);
var summary = SortedArrayStatistics.FiveNumberSummary(series);
var ms = ArrayStatistics.MeanStandardDeviation(series);
return(new { x.Name, Mean = ms.Item1, StdDev = ms.Item2, Min = summary[0], Q1 = summary[1], Median = summary[2], Q3 = summary[3], Max = summary[4] });
}).ToArray();
var top = results[0];
var managed = results.Single(x => x.Name.StartsWith("Managed"));
var label = string.IsNullOrEmpty(suffix) ? obj.GetType().FullName : string.Concat(obj.GetType().FullName, ": ", suffix);
results.Select(x => new
{
x.Name,
Mean = Math.Round(x.Mean), StdDev = Math.Round(x.StdDev),
Min = Math.Round(x.Min), Q1 = Math.Round(x.Q1), Median = Math.Round(x.Median), Q3 = Math.Round(x.Q3), Max = Math.Round(x.Max),
TopSlowdown = Math.Round(x.Median / top.Median, 2),
ManagedSpeedup = Math.Round(managed.Median / x.Median, 2)
}).Dump(label);
}