static void Main(string[] args)
{
var o = new AnObject(1);
//强迫编译器JIT编译，生成方法的本地代码
//如果没有这步，后面方法的直接调用将会加入JIT编译的时间（尽管只有一点点）
//使得结果不准确
o.Call(null);
DirectUse(o, new object());
ReflectionUse(o, new object());
DelegateUse(o, new object());
GenericDelegateUse();
ExpressionUse(o, new object());
Console.ReadKey();
}
//直接调用
public static void DirectUse(AnObject o, object parameter)
{
var sw = new Stopwatch();
sw.Start();
for (int i = 0; i < times; i++)
{
o.Call(parameter);
}
sw.Stop();
Console.WriteLine("直接调用方法: " + sw.ElapsedMilliseconds);
sw.Restart();
for (int i = 0; i < times; i++)
{
var a = o.a;
}
sw.Stop();
Console.WriteLine("直接获取属性: " + sw.ElapsedMilliseconds);
}
