using System;

using System.Collections.Generic;

public class Program

{

    public class ListTest

    {

        public ListTest()

        {

            ToTest.Add(this);

        }

        private static List<ListTest> testList;

        public static List<ListTest> ToTest{

            get{

                if(testList == null)

                    testList = new List<ListTest>();

                return testList;

            }

        }

        public static void ListToggle()

        {

            for(int i = 0; i < ToTest.Count; i++)

            {

                ToTest[i].Toggle();

            }

        }

        private int currentValue;

        public void Toggle()

        {

            currentValue++;

        }

    }

    public class ActionTest

    {

        public static Action PreUpdate = () => {};

        public ActionTest()

        {

            PreUpdate += Toggle;

        }

        private int currentValue;

        public void Toggle()

        {

            currentValue++;

        }

    }

    public static void Main()

    {

        int objects = 10000;

        for(int i = 0; i < objects; i++)

        {

            var listTest = new ListTest();  

        }

        for(int i = 0; i < objects; i++)

        {

            var actionTest = new ActionTest();  

        }

        int runIterations = 4;

        float singleActionTime = 0f;

        float singleListTime = 0f;

        float actionTime = 0f;

        float listTime = 0f;

        for(int j = 0; j < runIterations; j++)

        {

            var singleListWatch = System.Diagnostics.Stopwatch.StartNew();

            ListTest.ListToggle();

​

            singleListWatch.Stop();

​

            var singleActionWatch = System.Diagnostics.Stopwatch.StartNew();

​

            ActionTest.PreUpdate();

​

            singleActionWatch.Stop();

​

            int iterations = 10000;

​

            var listWatch = System.Diagnostics.Stopwatch.StartNew();

            for(long i = 0; i < iterations; i++)

            {

                ListTest.ListToggle();

            }

            listWatch.Stop();

​

            var actionWatch = System.Diagnostics.Stopwatch.StartNew();

            for(long i = 0; i < iterations; i++)

            {

                ActionTest.PreUpdate();

            }

            actionWatch.Stop();

            singleActionTime += singleActionWatch.ElapsedTicks;

            singleListTime += singleListWatch.ElapsedTicks;

            actionTime += actionWatch.ElapsedMilliseconds;

            listTime += listWatch.ElapsedMilliseconds;

        }

        singleActionTime /= runIterations;

        singleListTime /= runIterations;

        actionTime /= runIterations;

        listTime /= runIterations;

        Console.WriteLine("Single List Execution Time: " + singleListTime.ToString() + " ticks");

        Console.WriteLine("Single Action Execution Time: " + singleActionTime.ToString() + " ticks");

        Console.WriteLine("List Execution Time: " + listTime.ToString() + " ms");

        Console.WriteLine("Action Execution Time: " + actionTime.ToString() + " ms");

    }

}

​

​