LibraryComparisonBenchmarks.cs

// Copyright © https://myCSharp.de - all rights reserved

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Columns;
using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Diagnosers;
using DeviceDetectorNET;
using MyCSharp.HttpUserAgentParser.Providers;

namespace MyCSharp.HttpUserAgentParser.Benchmarks.LibraryComparison;

[ShortRunJob]
[MemoryDiagnoser]
[CategoriesColumn]
[GroupBenchmarksBy(BenchmarkLogicalGroupRule.ByCategory)]
public class LibraryComparisonBenchmarks
{
    public record TestData(string Label, string UserAgent)
    {
        public override string ToString() => Label;
    }

    [ParamsSource(nameof(GetTestUserAgents))]
    public TestData Data { get; set; }

    public IEnumerable<TestData> GetTestUserAgents()
    {
        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");
        yield return new("Google-Bot", "APIs-Google (+https://developers.google.com/webmasters/APIs-Google.html)");
    }

    [Benchmark(Baseline = true, Description = "MyCSharp")]
    [BenchmarkCategory("Basic")]
    public HttpUserAgentInformation MyCSharpBasic()
    {
        HttpUserAgentInformation info = HttpUserAgentParser.Parse(Data.UserAgent);
        return info;
    }

    private static readonly HttpUserAgentParserCachedProvider s_myCSharpCachedProvider = new();

    [Benchmark(Baseline = true, Description = "MyCSharp")]
    [BenchmarkCategory("Cached")]
    public HttpUserAgentInformation MyCSharpCached()
    {
        return s_myCSharpCachedProvider.Parse(Data.UserAgent);
    }

    [Benchmark(Description = "UAParser")]
    [BenchmarkCategory("Basic")]
    public UAParser.ClientInfo UAParserBasic()
    {
        UAParser.ClientInfo info = UAParser.Parser.GetDefault().Parse(Data.UserAgent);
        return info;
    }

    private static readonly UAParser.Parser s_uaParser = UAParser.Parser.GetDefault(new UAParser.ParserOptions { UseCompiledRegex = true });

    [Benchmark(Description = "UAParser")]
    [BenchmarkCategory("Cached")]
    public UAParser.ClientInfo UAParserCached()
    {
        UAParser.ClientInfo info = s_uaParser.Parse(Data.UserAgent);
        return info;
    }

    [Benchmark(Description = "DeviceDetector.NET")]
    [BenchmarkCategory("Basic")]
    public object DeviceDetectorNETBasic()
    {
        DeviceDetector dd = new(Data.UserAgent);
        dd.Parse();

        var info = new
        {
            Client = dd.GetClient(),
            OS = dd.GetOs(),
            Device = dd.GetDeviceName(),
            Brand = dd.GetBrandName(),
            Model = dd.GetModel()
        };

        return info;
    }
}