Added HttpUserAgentParserBenchmarks

Author: gfoidl

perf/MyCSharp.HttpUserAgentParser.Benchmarks/HttpUserAgentParserBenchmarks.cs

@@ -0,0 +1,49 @@
+// Copyright © myCSharp 2020-2021, all rights reserved
+
+using System.Collections.Generic;
+using System.Linq;
+using BenchmarkDotNet.Attributes;
+
+#if OS_WIN
+using BenchmarkDotNet.Diagnostics.Windows.Configs;
+#endif
+
+namespace MyCSharp.HttpUserAgentParser.Benchmarks
+{
+    [MemoryDiagnoser]
+#if OS_WIN
+    [EtwProfiler]   // needs admin-rights
+#endif
+    public class HttpUserAgentParserBenchmarks
+    {
+        private string[] _testUserAgentMix;
+        private HttpUserAgentInformation[] _results;
+
+        [GlobalSetup]
+        public void GlobalSetup()
+        {
+            _testUserAgentMix = GetTestUserAgents().ToArray();
+            _results = new HttpUserAgentInformation[_testUserAgentMix.Length];
+        }
+
+        private static IEnumerable<string> GetTestUserAgents()
+        {
+            yield return "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36";
+            yield return "APIs-Google (+https://developers.google.com/webmasters/APIs-Google.html)";
+            yield return "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:88.0) Gecko/20100101 Firefox/88.0";
+            yield return "yeah I'm unknown user agent, just to bring some fun to the mix";
+        }
+
+        [Benchmark]
+        public void Parse()
+        {
+            string[] testUserAgentMix = _testUserAgentMix;
+            HttpUserAgentInformation[] results = _results;
+
+            for (int i = 0; i < testUserAgentMix.Length; ++i)
+            {
+                results[i] = HttpUserAgentParser.Parse(testUserAgentMix[i]);
+            }
+        }
+    }
+}

perf/MyCSharp.HttpUserAgentParser.Benchmarks/LibraryComparison/LibraryComparisonBenchmarks.cs

@@ -10,31 +10,19 @@
 
 namespace MyCSharp.HttpUserAgentParser.Benchmarks.LibraryComparison
 {
-    [Config(typeof(Config))]
+    [ShortRunJob]
+    [MemoryDiagnoser]
+    [CategoriesColumn]
+    [GroupBenchmarksBy(BenchmarkLogicalGroupRule.ByCategory)]
     public class LibraryComparisonBenchmarks
     {
-        private class Config : ManualConfig
-        {
-            public Config()
-            {
-                AddDiagnoser(MemoryDiagnoser.Default);
-
-                AddColumn(CategoriesColumn.Default);
-                AddLogicalGroupRules(BenchmarkLogicalGroupRule.ByCategory);
-
-                // Needed for DeviceDetector.NET
-                // https://github.com/totpero/DeviceDetector.NET/issues/44
-                WithOptions(ConfigOptions.DisableOptimizationsValidator);
-            }
-        }
-
         public record TestData(string Label, string UserAgent)
         {
             public override string ToString() => Label;
         }
 
         [ParamsSource(nameof(GetTestUserAgents))]
-        public TestData Data { get; set; } = null!;
+        public TestData Data { get; set; }
 
         public IEnumerable<TestData> GetTestUserAgents()
         {

perf/MyCSharp.HttpUserAgentParser.Benchmarks/MyCSharp.HttpUserAgentParser.Benchmarks.csproj

@@ -3,7 +3,12 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>net5.0</TargetFramework>
-    <Nullable>enable</Nullable>
+    <Nullable>disable</Nullable>
+    <DebugType>embedded</DebugType>
+  </PropertyGroup>
+
+  <PropertyGroup Condition="'$(OS)' == 'Windows_NT'">
+    <DefineConstants>$(DefineConstants);OS_WIN</DefineConstants>
   </PropertyGroup>
 
   <ItemGroup>

perf/MyCSharp.HttpUserAgentParser.Benchmarks/Program.cs

@@ -1,6 +1,12 @@
 // Copyright © myCSharp 2020-2021, all rights reserved
 
 using System.Reflection;
+using BenchmarkDotNet.Configs;
 using BenchmarkDotNet.Running;
 
-BenchmarkSwitcher.FromAssembly(Assembly.GetExecutingAssembly()).Run(args);
+// Needed for DeviceDetector.NET
+// https://github.com/totpero/DeviceDetector.NET/issues/44
+ManualConfig config = ManualConfig.Create(DefaultConfig.Instance)
+    .WithOptions(ConfigOptions.DisableOptimizationsValidator);
+
+BenchmarkSwitcher.FromAssembly(Assembly.GetExecutingAssembly()).Run(args, config);