ストレージのパフォーマンスを簡単に調べるやつ

Program.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Linq;

namespace StorageBenchmark
{
    class Program
    {
        static void Main(string[] args)
        {
            if (args.Length != 2)
            {
                return;
            }

            var count = int.Parse(args[0]);
            var size = int.Parse(args[1]);

            _dummyText = string.Join("", Enumerable.Repeat("0", size));

            // テンポラリを作成
            var directory = Path.Combine(Environment.CurrentDirectory, "Temp");

            Directory.CreateDirectory(directory);

            // Write
            Test(WriteFile, count, directory);

            // Read
            Test(ReadFile, count, directory);

            // Delete
            Test(DeleteFile, count, directory);

            Directory.Delete(directory, true);
        }

        private static string _dummyText;

        private static void WriteFile(int i, string directory)
        {
            File.WriteAllText(Path.Combine(directory, "temp_" + i + ".tmp"), _dummyText);
        }

        private static void ReadFile(int i, string directory)
        {
            File.ReadAllText(Path.Combine(directory, "temp_" + i + ".tmp"));
        }

        private static void DeleteFile(int i, string directory)
        {
            File.Delete(Path.Combine(directory, "temp_" + i + ".tmp"));
        }

        private static void Test(Action<int, string> func, int count, string directory)
        {
            var sw = new Stopwatch();

            sw.Start();

            for (int i = 0; i < count; i++)
            {
                func(i, directory);
            }

            sw.Stop();

            Console.WriteLine("{0} : {1}ms", func.Method.Name, sw.ElapsedMilliseconds);
        }
    }
}