int.TryParse和int.Parse异常性能比较

using System;
using System.Diagnostics;
using System.Globalization;

namespace ConsoleApplication18
{
    class Program
    {
        static void Main()
        {

            const int maxTimes = 5000;
            const string inputString = "2xc61";

            CodeTime("TryParse", () =>
                {
                    for (int i = 0; i < maxTimes; i++)
                    {
                        int t;
                        if (!int.TryParse(inputString, out t))
                        {
                            //Console.WriteLine("xxxx");
                        }
                    }
                });

            CodeTime("TryCatch", () =>
                {
                    for (int i = 0; i < maxTimes; i++)
                    {
                        try
                        {
                            int t = int.Parse(inputString);
                        }
                        catch (Exception)
                        {
                            //Console.WriteLine("xxxxxxxxx");
                        }
                    }
                });

            Console.WriteLine("Over!");
            Console.ReadKey();

        }

        static void CodeTime(string title, Action action)
        {
            var watcher = Stopwatch.StartNew();
            Console.WriteLine(title + " Start...");
            action();
            Console.WriteLine("Finish...");
            Console.WriteLine("Time: " + watcher.ElapsedMilliseconds.ToString(CultureInfo.InvariantCulture) + "ms");
            Console.WriteLine();
        }

    }
}

TryParse Start...
Finish...
Time: 1ms

TryCatch Start...
Finish...
Time: 24938ms

Over!