add SunSpiderBenchmark

Jint.Benchmark/Jint.Benchmark.csproj

@@ -13,6 +13,9 @@
     <GenerateAssemblyVersionAttribute>false</GenerateAssemblyVersionAttribute>
     <GenerateAssemblyFileVersionAttribute>false</GenerateAssemblyFileVersionAttribute>
   </PropertyGroup>
+  <ItemGroup>
+    <None Include="..\Jint.Tests.CommonScripts\Scripts\**" CopyToOutputDirectory="PreserveNewest" LinkBase="SunSpider" />
+  </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Jint\Jint.csproj" />
     <PackageReference Include="BenchmarkDotNet" Version="0.10.11" />

Jint.Benchmark/SunSpiderBenchmark.cs

@@ -0,0 +1,87 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Configs;
+using BenchmarkDotNet.Jobs;
+using Jint;
+
+namespace Esprima.Benchmark
+{
+    [Config(typeof(Config))]
+    [MemoryDiagnoser]
+    public class SunSpiderBenchmark
+    {
+        private class Config : ManualConfig
+        {
+            public Config()
+            {
+                // if Jint array performance gets better we can go towards defaul 16/16
+                Add(Job.ShortRun.WithInvocationCount(4).WithUnrollFactor(4));
+            }
+        }
+
+        private static readonly Dictionary<string, string> files = new Dictionary<string, string>
+        {
+            {"3d-cube", null},
+            {"3d-morph", null},
+            {"3d-raytrace", null},
+            {"access-binary-trees", null},
+            {"access-fannkuch", null},
+            {"access-nbody", null},
+            {"access-nsieve", null},
+            {"bitops-3bit-bits-in-byte", null},
+            {"bitops-bits-in-byte", null},
+            {"bitops-bitwise-and", null},
+            {"bitops-nsieve-bits", null},
+            {"controlflow-recursive", null},
+            {"crypto-aes", null},
+            {"crypto-md5", null},
+            {"crypto-sha1", null},
+            {"date-format-tofte", null},
+            {"date-format-xparb", null},
+            {"math-cordic", null},
+            {"math-partial-sums", null},
+            {"math-spectral-norm", null},
+            {"regexp-dna", null},
+            {"string-base64", null},
+            {"string-fasta", null},
+            {"string-tagcloud", null},
+            {"string-unpack-code", null},
+            {"string-validate-input", null}
+        };
+
+        private Engine engine;
+
+        [GlobalSetup]
+        public void Setup()
+        {
+            foreach (var fileName in files.Keys.ToList())
+            {
+                files[fileName] = File.ReadAllText($"SunSpider/{fileName}.js");
+            }
+
+            engine = new Engine()
+                .SetValue("log", new Action<object>(Console.WriteLine))
+                .SetValue("assert", new Action<bool>(b => { }));
+        }
+
+        [ParamsSource(nameof(FileNames))]
+        public string FileName { get; set; }
+
+        public IEnumerable<string> FileNames()
+        {
+            foreach (var entry in files)
+            {
+                yield return entry.Key;
+            }
+        }
+
+        [Benchmark]
+        public void Run()
+        {
+            engine.Execute(files[FileName]);
+        }
+    }
+}