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Added benchmark project for comparison with other libraries
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‎perf/MyCSharp.HttpUserAgentParser.Benchmarks/LibraryComparison/LibraryComparisonBenchmarks.cs

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// Copyright © myCSharp 2020-2021, all rights reserved
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using System.Collections.Generic;
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using BenchmarkDotNet.Attributes;
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using BenchmarkDotNet.Columns;
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using BenchmarkDotNet.Configs;
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using BenchmarkDotNet.Diagnosers;
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using DeviceDetectorNET;
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using MyCSharp.HttpUserAgentParser.Providers;
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namespace MyCSharp.HttpUserAgentParser.Benchmarks.LibraryComparison
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{
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[Config(typeof(Config))]
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public class LibraryComparisonBenchmarks
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{
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private class Config : ManualConfig
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{
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public Config()
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{
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AddDiagnoser(MemoryDiagnoser.Default);
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AddColumn(CategoriesColumn.Default);
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AddLogicalGroupRules(BenchmarkLogicalGroupRule.ByCategory);
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// Needed for DeviceDetector.NET
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// https://github.com/totpero/DeviceDetector.NET/issues/44
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WithOptions(ConfigOptions.DisableOptimizationsValidator);
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}
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}
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public record TestData(string Label, string UserAgent)
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{
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public override string ToString() => Label;
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}
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[ParamsSource(nameof(GetTestUserAgents))]
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public TestData Data { get; set; } = null!;
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public IEnumerable<TestData> GetTestUserAgents()
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{
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yield return new("Chrome Win10", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36");
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yield return new("Google-Bot", "APIs-Google (+https://developers.google.com/webmasters/APIs-Google.html)");
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}
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[Benchmark(Baseline = true, Description = "MyCSharp")]
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[BenchmarkCategory("Basic")]
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public HttpUserAgentInformation MyCSharpBasic()
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{
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HttpUserAgentInformation info = HttpUserAgentParser.Parse(Data.UserAgent);
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return info;
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}
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private static readonly HttpUserAgentParserCachedProvider s_myCSharpCachedProvider = new();
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[Benchmark(Baseline = true, Description = "MyCSharp")]
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[BenchmarkCategory("Cached")]
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public HttpUserAgentInformation MyCSharpCached()
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{
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return s_myCSharpCachedProvider.Parse(Data.UserAgent);
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}
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[Benchmark(Description = "UAParser")]
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[BenchmarkCategory("Basic")]
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public UAParser.ClientInfo UAParserBasic()
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{
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UAParser.ClientInfo info = UAParser.Parser.GetDefault().Parse(Data.UserAgent);
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return info;
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}
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private static readonly UAParser.Parser s_uaParser = UAParser.Parser.GetDefault(new UAParser.ParserOptions { UseCompiledRegex = true });
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[Benchmark(Description = "UAParser")]
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[BenchmarkCategory("Cached")]
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public UAParser.ClientInfo UAParserCached()
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{
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UAParser.ClientInfo info = s_uaParser.Parse(Data.UserAgent);
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return info;
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}
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[Benchmark(Description = "DeviceDetector.NET")]
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[BenchmarkCategory("Basic")]
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public object DeviceDetectorNETBasic()
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{
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DeviceDetector dd = new(Data.UserAgent);
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dd.Parse();
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var info = new
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{
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Client = dd.GetClient(),
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OS = dd.GetOs(),
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Device = dd.GetDeviceName(),
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Brand = dd.GetBrandName(),
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Model = dd.GetModel()
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};
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return info;
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}
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}
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}

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

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net5.0</TargetFramework>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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<LangVersion>9.0</LangVersion>
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<DebugType>full</DebugType>
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<DebugSymbols>true</DebugSymbols>
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</PropertyGroup>
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net5.0</TargetFramework>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
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<PackageReference Include="UAParser" Version="3.1.46" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="BenchmarkDotNet" Version="0.12.1" />
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<PackageReference Include="BenchmarkDotNet.Diagnostics.Windows" Version="0.12.1" Condition="'$(OS)' == 'Windows_NT'" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\src\MyCSharp.HttpUserAgentParser\MyCSharp.HttpUserAgentParser.csproj" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\src\MyCSharp.HttpUserAgentParser\MyCSharp.HttpUserAgentParser.csproj" />
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</ItemGroup>
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<ItemGroup Label="Libraries for comparison">
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<PackageReference Include="UAParser" Version="3.1.46" />
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<PackageReference Include="DeviceDetector.NET" Version="4.2.0" />
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<PackageReference Include="Ng.UserAgentService" Version="1.0.3" />
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</ItemGroup>
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</Project>

‎perf/MyCSharp.HttpUserAgentParser.Benchmarks/Program.cs

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// Copyright © myCSharp 2020-2021, all rights reserved
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using System.Reflection;
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using BenchmarkDotNet.Running;
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namespace MyCSharp.HttpUserAgentParser.Benchmarks
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{
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class Program
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{
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static void Main()
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{
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BenchmarkRunner.Run<UserAgentBenchmarks>();
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}
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}
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}
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BenchmarkSwitcher.FromAssembly(Assembly.GetExecutingAssembly()).Run(args);

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