c#中装箱拆箱性能测试

using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Fan
{

    class Program
    {
        const int ListSize = 5500000;

        private static void UserArrayList()
        {
            ArrayList list = new ArrayList();
            long starTicks = DateTime.Now.Ticks;
            for (int i = 0; i < ListSize; i++)
            {
                list.Add(i);
            }
            for(int i=0;i<ListSize;i++)
            {
                int value = (int)list[i];
            }
            long endTicks = DateTime.Now.Ticks;
            Console.WriteLine("使用ArrayList，耗时:{0}",endTicks-starTicks);
        }

        private static void UseGenericList()
        {
            List<int> list = new List<int>();
            long starTicks = DateTime.Now.Ticks;
            for (int i = 0; i < ListSize; i++)
            {
                list.Add(i);
            }
            for (int i = 0; i < ListSize; i++)
            {
                int value = list[i];
            }
            long endTicks = DateTime.Now.Ticks;
            Console.WriteLine("使用List<int>,耗时{0}",endTicks-starTicks);
        }
        static void Main(string[] args)
        {
            UserArrayList();
            UseGenericList();

            Console.ReadLine();

        }
    }
}