c#测试反射性能示例

activator.createinstance和assemblycreateinstance性能测试

using system;
using system.collections.generic;
using system.diagnostics;
using system.linq;
using system.security.cryptography;
using system.text;
using helloworld.servicereference1;
using system.globalization;
using system.reflection;
using interface;

namespace helloworld
{
    class program
    {
        static void main(string[] args)
        {
            stopwatch s = new stopwatch();
            assembly a = assembly.getexecutingassembly();

            //foreach (var st in a.getexportedtypes())
            //{
            //    console.writeline(st.name);
            //}

            s.reset();
            s.start();
            type t = a.gettype("helloworld.test1");
            interface1 i2 = (interface1)(activator.createinstance(t));
            console.writeline((i2.add(1, 2)));
            s.stop();
            console.writeline(s.elapsed);

            s.reset();
            s.start();
            interface1 i = (interface1)a.createinstance("helloworld.test1");
            console.writeline((i.add(1, 2)));
            s.stop();
            console.writeline(s.elapsed);

        }
    }
    public class test1 : interface1
    {
        public int add(int a, int b)
        {
            return a + b;
        }
    }
    public interface interface1
    {
        int add(int a, int b);
    }
}