using System;

using System.Diagnostics;

public class Program{

    private static void Bench(string label,Action method,int passes=1000){

        GC.Collect();

        method();

        var stopwatch = Stopwatch.StartNew();

        for(var index=0;index<passes;++index){method();}

        Console.WriteLine(label.PadRight(16) + " = " + stopwatch.Elapsed.TotalMilliseconds + " ms");

    }

    public static void Main(string[] args){

        Bench("A",()=>{

            //Code A

        });

        Bench("B",()=>{

            //Code B

        });

    }

}