Object Cloning: Protobuf-net vs. Nuclex.Support

// Results on Win8.0/AMD64:
//   ReflectionCloner took 340 ms
//   ExpressionTreeCloner took 56 ms
//   SerializationCloner took 3395 ms (3.4 s)
//   Protobuf-net took 2856569 ms (48 m)

using System;
using System.Diagnostics;
using System.IO;

using ProtoBuf;
using ProtoBuf.Meta;

using Nuclex.Support.Cloning;

namespace ConsoleApplication1 {

  class Program {

    public class FunkyType {

      public FunkyType Nest;

      public int SomeInt;

      public string SomeString;

      public float SomeFloat;

    }

    static void Main(string[] args) {
      var x = new FunkyType() {
        Nest = new FunkyType() {
          SomeString = "More text"
        },
        SomeInt = 123,
        SomeString = "Lotsa text",
        SomeFloat = 456.789f
      };

      MetaType stringSegmentMetaType = RuntimeTypeModel.Default.Add(
        typeof(FunkyType), applyDefaultBehaviour: false
      );
      stringSegmentMetaType
        .Add(1, "Nest")
        .Add(2, "SomeInt")
        .Add(3, "SomeString")
        .Add(4, "SomeFloat");


      FunkyType x2;

      // Reflection cloner
      {
        var w = Stopwatch.StartNew();

        for(int index = 0; index < 100000; ++index) {
          x2 = ReflectionCloner.DeepFieldClone(x);
        }

        Console.WriteLine("ReflectionCloner took " + w.ElapsedMilliseconds.ToString() + " ms");
      }

      // Expression tree cloner
      {
        var w = Stopwatch.StartNew();

        for(int index = 0; index < 100000; ++index) {
          x2 = ExpressionTreeCloner.DeepFieldClone(x);
        }

        Console.WriteLine("ExpressionTreeCloner took " + w.ElapsedMilliseconds.ToString() + " ms");
      }

      // Serialization cloner
      {
        var w = Stopwatch.StartNew();

        for(int index = 0; index < 100000; ++index) {
          x2 = SerializationCloner.DeepFieldClone(x);
        }

        Console.WriteLine("SerializationCloner took " + w.ElapsedMilliseconds.ToString() + " ms");
      }

      // Protobuf cloner
      using(var memoryStream = new MemoryStream()) {
        var uselessContext = new SerializationContext();

        var w = Stopwatch.StartNew();

        for(int index = 0; index < 100000; ++index) {
          using(
            var writer = new ProtoWriter(
              memoryStream, RuntimeTypeModel.Default, uselessContext
            )
          ) {
            RuntimeTypeModel.Default.Serialize(writer, x);
          }

          memoryStream.Position = 0;

          using(
            var reader = new ProtoReader(
              memoryStream, RuntimeTypeModel.Default, uselessContext
            )
          ) {
            x2 = (FunkyType)RuntimeTypeModel.Default.Deserialize(
              reader, null, typeof(FunkyType)
            );
          }
        }

        Console.WriteLine("Protobuf-net took " + w.ElapsedMilliseconds.ToString() + " ms");

        memoryStream.Position = 0;
      }

    }
  }

}