Timings test for NamedFormats: Object vs ExpandoObject

Program.cs

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Dynamic;

namespace guerillacoder
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var n = 1000000;

            var dtime = MeasureDictionaryTime(n);
            var cdtime = MeasureConcurrentDictionaryTime(n);

            var otime = TestWithObject(n) - cdtime;
            var eotime = TestWithExpandoObject(n) - cdtime - dtime;

            Console.WriteLine();
            Console.WriteLine("Timings for object with " + n + " iterations: " + otime);
            Console.WriteLine("Timings for expando object with " + n + " iterations: " + eotime);
        }

        public static long MeasureConcurrentDictionaryTime(int n)
        {
            var cacheKey = n.GetType().GetHashCode() + "{Test1}, {Test2}, {Test3}";
            var precompiledExpressions = new ConcurrentDictionary<string, object>(StringComparer.OrdinalIgnoreCase);

            precompiledExpressions.TryAdd(cacheKey, new object());

            // If we already have a compiled expression, just execute it.
            object o;

            var sw = Stopwatch.StartNew();

            for (var i = 0; i < n; i++)
            {
                if (precompiledExpressions.TryGetValue(cacheKey, out o))
                {
                    continue;
                }
            }

            sw.Stop();
            Console.WriteLine("Concurrent Dictionary time: " + sw.ElapsedMilliseconds);

            return sw.ElapsedMilliseconds;
        }

        public static long MeasureDictionaryTime(int n)
        {
            var cacheKey = n.GetType().GetHashCode() + "{Test1}, {Test2}, {Test3}";
            var precompiledExpressions = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);

            precompiledExpressions.Add(cacheKey, new object());

            // If we already have a compiled expression, just execute it.
            object o;

            var sw = Stopwatch.StartNew();

            for (var i = 0; i < n; i++)
            {
                if (precompiledExpressions.TryGetValue(cacheKey, out o))
                {
                    continue;
                }
            }

            sw.Stop();
            Console.WriteLine("Dictionary time: " + sw.ElapsedMilliseconds);

            return sw.ElapsedMilliseconds;
        }

        private static long TestWithExpandoObject(int n)
        {
            var pattern = "{Test1}, {Test2}, {Test3}";
            dynamic o = new ExpandoObject();
            o.Test1 = "abc";
            o.Test2 = "abc";
            o.Test3 = "abc";

            var s = NamedFormat.Format(pattern, o);

            var sw = Stopwatch.StartNew();

            for (var i = 0; i < n; i++)
            {
                s = NamedFormat.Format(pattern, o);
            }

            sw.Stop();
            Console.WriteLine("Test with expando object: " + sw.ElapsedMilliseconds);

            return sw.ElapsedMilliseconds;
        }

        private static long TestWithObject(int n)
        {
            var pattern = "{Test1}, {Test2}, {Test3}";
            var o = new
            {
                Test1 = "abc",
                Test2 = "abc",
                Test3 = "abc"
            };

            var s = NamedFormat.Format(pattern, o);

            var sw = Stopwatch.StartNew();

            for (var i = 0; i < n; i++)
            {
                s = NamedFormat.Format(pattern, o);
            }

            sw.Stop();
            Console.WriteLine("Test with object: " + sw.ElapsedMilliseconds);

            return sw.ElapsedMilliseconds;
        }
    }
}