ListPerformanceTest003

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

namespace ListPerformanceTest003
{
    class Program
    {
        static void Main(string[] args)
        {
            // 3D粒子数
            int numStart = 10;
            int numEnd = 10000;
            int numStep = 10;

            // 繰り返し回数
            int loop = 10;

            Random rand = new Random(1234567);

            JobItem job1 = new JobItem()
            {
                Message = "List<class>",
                Action = (sw, num) =>
                {
                    List<CoordinateClass> list1 = new List<CoordinateClass>();
                    for (int i = 0; i < num; i++)
                        list1.Add(new CoordinateClass()
                        {
                            X = rand.NextDouble(),
                            Y = rand.NextDouble(),
                            Z = rand.NextDouble(),
                        });

                    Thread.Sleep(10);

                    sw.Start();
                    List<CoordinateClass> copiedList = new List<CoordinateClass>();
                    foreach (var item in list1)
                        copiedList.Add(item.Clone());
                    sw.Stop();
                },
            };

            JobItem job2 = new JobItem()
            {
                Message = "List<struct>",
                Action = (sw, num) =>
                {
                    List<CoordinateStruct> list1 = new List<CoordinateStruct>();
                    for (int i = 0; i < num; i++)
                        list1.Add(new CoordinateStruct()
                        {
                            X = rand.NextDouble(),
                            Y = rand.NextDouble(),
                            Z = rand.NextDouble(),
                        });

                    Thread.Sleep(10);

                    sw.Start();
                    List<CoordinateStruct> copiedList = new List<CoordinateStruct>(list1);
                    sw.Stop();
                },
            };

            List<JobItem> jobList = new List<JobItem>()
            {
                job1,
                job2,
            };


            foreach (var job in jobList)
            {
                for (int num = numStart; num < numEnd; num += numStep)
                {
                    Test(job, num, loop);
                }
                WriteLog(""); // 空白行挿入
            }
        }

        public static void Test(JobItem jobItem, int num, int loop)
        {
            Action<Stopwatch, int> action = jobItem.Action;
            Stopwatch sw = new Stopwatch();

            for (int i = 0; i < loop; i++)
            {
                action(sw, num);

                System.Threading.Thread.Sleep(10);
            }

            string msg = string.Format("{0, -20} : num({1}) : {2:F3} msec.", jobItem.Message, num, (double)sw.ElapsedTicks / ((double)Stopwatch.Frequency * loop) * 1000);
            WriteLog(msg);
        }

        public static void WriteLog(string msg)
        {
            Console.WriteLine(msg);

            // ファイル出力
            StreamWriter sw = new StreamWriter(SaveFile, true, Encoding.UTF8);
            sw.WriteLine(msg);
            sw.Close();
        }

        static string SaveFile = @"C:\Users\tamaki\Desktop\log.txt";
    }

    public class JobItem
    {
        public string Message { get; set; }
        public Action<Stopwatch, int> Action { get; set; }
    }

    public class CoordinateClass
    {
        public double X { get; set; }
        public double Y { get; set; }
        public double Z { get; set; }
        public List<int> List { get; set; }

        public CoordinateClass Clone()
        {
            return new CoordinateClass()
            {
                X = this.X,
                Y = this.Y,
                Z = this.Z,
            };
        }
    }

    public struct CoordinateStruct
    {
        public double X { get; set; }
        public double Y { get; set; }
        public double Z { get; set; }
        public List<int> List { get; set; }
    }
}