gistfile1.cs

using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using RazorEngine.Configuration;
using RazorEngine.Roslyn;
using RazorEngine.Templating;

namespace RoslynPerformance
{
    class Program
    {
        static string CodeDomRender(IRazorEngineService razor, int key)
        {
            var template = "Hello @Model.Name, welcome to RazorEngine!";
            var templateKey = "CodeDOM" + key;
            var result = razor.RunCompile(template, templateKey, null, new { Name = templateKey });

            return result;
        }

        static string RoslynRender(IRazorEngineService razor, int key)
        {
            var template = "Hello @Model.Name, welcome to RazorEngine!";
            var templateKey = "Roslyn" + key;
            var result = razor.RunCompile(template, templateKey, null, new { Name = templateKey });

            return result;
        }

        static void Do(IRazorEngineService razor, Action<IRazorEngineService, int> render, int count = 50)
        {
            var stopWatch = new Stopwatch();
            stopWatch.Start();
            for (var i = 0; i < count; i++)
            {
                render(razor, i);
                Console.Write(".");
            }
            stopWatch.Stop();
            Console.WriteLine();
            Console.WriteLine("render elapse : {0} ms", stopWatch.ElapsedMilliseconds);
        }

        static void Cleanup()
        {
            var temp = Path.GetTempPath();
            var dirs = Directory.GetDirectories(temp, "RazorEngine_*").ToList();
            dirs.ForEach(dir => Directory.Delete(dir, true));
        }

        static void Main(string[] args)
        {
            Console.WriteLine("wait push any key.");
            Console.ReadKey();
            Console.WriteLine("cleanup.");
            Cleanup();
            using (var cachingProvider = new DefaultCachingProvider(t => { }))
            {
                var codedomConfig = new TemplateServiceConfiguration
                {
                    CachingProvider = cachingProvider
                };
                var roslynConfig = new TemplateServiceConfiguration
                {
                    CompilerServiceFactory = new RoslynCompilerServiceFactory(),
                    CachingProvider = cachingProvider
                };
                using (var codedom = RazorEngineService.Create(codedomConfig))
                using (var roslyn = RazorEngineService.Create(roslynConfig))
                {
                    Console.WriteLine("warm up.");
                    CodeDomRender(codedom, -1);
                    RoslynRender(roslyn, -1);

                    Console.WriteLine("do codedom");
                    Do(codedom, (razor, count) => CodeDomRender(razor, count));
                    Console.WriteLine("do roslyn");
                    Do(roslyn, (razor, count) => RoslynRender(razor, count));
                }
            };
        }
    }
}