gistfile1.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Linq;
using System.Diagnostics;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;

namespace ISerializable {
    class Program {

        [Serializable]
        class NumberObject {
            public int Number { get; set; }
        }

        static int indent = 0;

        static void TimeAction(string description, Action func) {
            var watch = new Stopwatch();
            watch.Start();
            func();
            watch.Stop();
            Console.WriteLine("Time Elapsed {0} ms", watch.ElapsedMilliseconds);
            Console.WriteLine(description);
        }
        
        static void Main(string[] args) {
            var rand = new Random();
            var numbers = Enumerable.Range(0, 100000)
                .Select(x => rand.Next()).ToArray();


            TimeAction("Full Serialization Cycle: Builtin Int[100000]", () =>
                {
                    var stream = new MemoryStream();
                    var formatter = new BinaryFormatter();
                    formatter.Serialize(stream, numbers);
                    stream.Position = 0;
                    numbers = (int[])formatter.Deserialize(stream);
                });

           
            var numberObjects = numbers.Select(i => new NumberObject() { Number = i }).ToArray();

            TimeAction("Full Serialization Cycle: NumberObject[100000]", () =>
            {
                var stream = new MemoryStream();
                var formatter = new BinaryFormatter();
                formatter.Serialize(stream, numberObjects);
                stream.Position = 0;
                numberObjects = (NumberObject[])formatter.Deserialize(stream);
            });


            TimeAction("Full Serialization Cycle: Manual NumberObject[100000]", () =>
            {
                var stream = new MemoryStream();
                var formatter = new BinaryFormatter();
                var writer = new BinaryWriter(stream);

                writer.Write(numberObjects.Length);
                foreach (var numberObject in numberObjects) {
                    writer.Write(numberObject.Number);
                }
                
                stream.Position = 0;

                var reader = new BinaryReader(stream);
                var count = reader.ReadInt32();
                numberObjects = new NumberObject[count];

                for (int i = 0; i < numberObjects.Length; i++) {
                    numberObjects[i] = new NumberObject() { Number = reader.ReadInt32()}; 
                }
            });

            Console.ReadKey();
        }
    }
}