Benchmarker

	using System;
	using System.Diagnostics;
	using Diagnostics.Performance;
	namespace Diagnostics.Performance
	{
	public static class Benchmarker
	{
	private static void DisplayResults(string benchmarkName,
	TimeSpan totalTime,
	TimeSpan averageTime,
	TimeSpan minTime,
	TimeSpan maxTime)
	{
	Console.WriteLine("---------------------------------");
	Console.WriteLine(benchmarkName);
	Console.WriteLine("\tTotal time : " + totalTime.TotalMilliseconds + "ms");
	Console.WriteLine("\tAverage time: " + averageTime.TotalMilliseconds + "ms");
	Console.WriteLine("\tMin time : " + minTime.TotalMilliseconds + "ms");
	Console.WriteLine("\tMax time : " + maxTime.TotalMilliseconds + "ms");
	Console.WriteLine("---------------------------------");
	Console.WriteLine();
	}
	public static void MeasureExecutionTime(string benchmarkName,
	int noOfIterations,
	Action action,
	bool collectGcAfterEachIteration = true,
	bool performWarmup = false)
	{
	var minTime = TimeSpan.MaxValue;
	var maxTime = TimeSpan.MinValue;
	if (performWarmup) action();
	if (collectGcAfterEachIteration) CollectGC();
	var sw = Stopwatch.StartNew();
	for (int i = 0; i < noOfIterations; i++)
	{
	sw.Restart();
	action();
	sw.Stop();
	if (collectGcAfterEachIteration) CollectGC();
	var thisIteration = sw.Elapsed;
	if (thisIteration > maxTime) maxTime = thisIteration;
	if (thisIteration < minTime) minTime = thisIteration;
	}
	var averageTime = new TimeSpan(sw.ElapsedTicks/noOfIterations);
	var totalTime = new TimeSpan(sw.ElapsedTicks);
	DisplayResults(benchmarkName, totalTime, averageTime, minTime, maxTime);
	}
	private static void CollectGC()
	{
	GC.Collect();
	GC.WaitForPendingFinalizers();
	GC.Collect();
	}
	}
	}
	namespace BenchmarkerDemo
	{
	class Program
	{
	static void Main(string[] args)
	{
	Benchmarker.MeasureExecutionTime("Benchmarker demo", 10000, () =>
	{
	var i = 1 + 10 + 100 / 42;
	});
	Console.ReadKey();
	}
	}
	}

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