class Program { static void Main(string[] args) {//转载请保留 http://www.luofenming.com/show.aspx?id=ART2020012600001 { Stopwatch stopwatch = new Stopwatch(); stopwatch.Start(); for(int i = 0; i < 100000000; i++) { ShowInt(1);//原生方法 } stopwatch.Stop(); Console.WriteLine($"ShowInt耗时{stopwatch.ElapsedMilliseconds}"); } { Stopwatch stopwatch = new Stopwatch(); stopwatch.Start(); for (int i = 0; i < 100000000; i++) { ShowObject(1);//object方法 } stopwatch.Stop(); Console.WriteLine($"ShowObject耗时{stopwatch.ElapsedMilliseconds}"); } { Stopwatch stopwatch = new Stopwatch(); stopwatch.Start(); for (int i = 0; i < 100000000; i++) { Show(1);//泛型方法 } stopwatch.Stop(); Console.WriteLine($"Show耗时{stopwatch.ElapsedMilliseconds}"); } } static void ShowInt(int i) { } static void ShowObject(object o) { } static void Show<T>(T t) { } }
运行结果
