Abc.NCrafts.Quizz.Program.RunPerformanceQuestion C# (CSharp) Метод

        private static void RunPerformanceQuestion(string number, int iterationCount = 2 * 1000 * 1000)
        {
            Console.WriteLine("Running " + number);
            Console.WriteLine();

            var types = typeof(Program).Assembly.GetTypes().Where(x => x.Namespace != null && x.Namespace.Contains("Performance") && x.Namespace.EndsWith(number) && !x.IsNested);
            var durationOfFirstAnswer = (TimeSpan?)null;

            foreach (var type in types)
            {
                var runDelegate = (Action)type.GetMethod("Run").CreateDelegate(typeof(Action));

                var stopwatch = Stopwatch.StartNew();

                for (var i = 0; i < iterationCount; i++)
                {
                    runDelegate();
                }
                
                stopwatch.Stop();

                if (durationOfFirstAnswer == null)
                {
                    durationOfFirstAnswer = stopwatch.Elapsed;
                    Console.WriteLine($"{number}/{type.Name}: {stopwatch.Elapsed}");
                }
                else
                {
                    var previousTicks = durationOfFirstAnswer.Value.Ticks;
                    var newTicks = stopwatch.Elapsed.Ticks;
                    var increase = (newTicks - previousTicks) / (double)previousTicks;
                    Console.WriteLine($"{number}/{type.Name}: {stopwatch.Elapsed} ({increase:P0})");
                }
            }
        }