diff --git a/tests/ImageSharp.Benchmarks/Codecs/Jpeg/EncodeJpegFeatures.cs b/tests/ImageSharp.Benchmarks/Codecs/Jpeg/EncodeJpegFeatures.cs new file mode 100644 index 000000000..83fb556d5 --- /dev/null +++ b/tests/ImageSharp.Benchmarks/Codecs/Jpeg/EncodeJpegFeatures.cs @@ -0,0 +1,89 @@ +// Copyright (c) Six Labors. +// Licensed under the Apache License, Version 2.0. + +using System.Collections.Generic; +using System.IO; +using BenchmarkDotNet.Attributes; +using SixLabors.ImageSharp.Formats.Jpeg; +using SixLabors.ImageSharp.PixelFormats; +using SixLabors.ImageSharp.Tests; + +namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg +{ + /// + /// Benchmark for all available encoding features of the Jpeg file type. + /// + /// + /// This benchmark does NOT compare ImageSharp to any other jpeg codecs. + /// + public class EncodeJpegFeatures + { + // Big enough, 4:4:4 chroma sampling + // No metadata + private const string TestImage = TestImages.Jpeg.Baseline.Calliphora; + + public static IEnumerable ColorSpaceValues => + new[] { JpegColorType.Luminance, JpegColorType.Rgb, JpegColorType.YCbCrRatio420, JpegColorType.YCbCrRatio444 }; + + [Params(75, 90, 100)] + public int Quality; + + [ParamsSource(nameof(ColorSpaceValues), Priority = -100)] + public JpegColorType TargetColorSpace; + + private Image bmpCore; + private JpegEncoder encoder; + + private MemoryStream destinationStream; + + [GlobalSetup] + public void Setup() + { + using FileStream imageBinaryStream = File.OpenRead(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, TestImage)); + this.bmpCore = Image.Load(imageBinaryStream); + this.encoder = new JpegEncoder { Quality = this.Quality, ColorType = this.TargetColorSpace }; + this.destinationStream = new MemoryStream(); + } + + [GlobalCleanup] + public void Cleanup() + { + this.bmpCore.Dispose(); + this.bmpCore = null; + + this.destinationStream.Dispose(); + this.destinationStream = null; + } + + [Benchmark] + public void Benchmark() + { + this.bmpCore.SaveAsJpeg(this.destinationStream, this.encoder); + this.destinationStream.Seek(0, SeekOrigin.Begin); + } + } +} + +/* +BenchmarkDotNet=v0.13.0, OS=Windows 10.0.19044 +Intel Core i7-6700K CPU 4.00GHz (Skylake), 1 CPU, 8 logical and 4 physical cores +.NET SDK=6.0.100-preview.3.21202.5 + [Host] : .NET Core 3.1.21 (CoreCLR 4.700.21.51404, CoreFX 4.700.21.51508), X64 RyuJIT + DefaultJob : .NET Core 3.1.21 (CoreCLR 4.700.21.51404, CoreFX 4.700.21.51508), X64 RyuJIT + + +| Method | TargetColorSpace | Quality | Mean | Error | StdDev | +|---------- |----------------- |-------- |----------:|----------:|----------:| +| Benchmark | Luminance | 75 | 7.055 ms | 0.1411 ms | 0.3297 ms | +| Benchmark | Rgb | 75 | 12.139 ms | 0.0645 ms | 0.0538 ms | +| Benchmark | YCbCrRatio420 | 75 | 6.463 ms | 0.0282 ms | 0.0235 ms | +| Benchmark | YCbCrRatio444 | 75 | 8.616 ms | 0.0422 ms | 0.0374 ms | +| Benchmark | Luminance | 90 | 7.011 ms | 0.0361 ms | 0.0301 ms | +| Benchmark | Rgb | 90 | 13.119 ms | 0.0947 ms | 0.0886 ms | +| Benchmark | YCbCrRatio420 | 90 | 6.786 ms | 0.0328 ms | 0.0274 ms | +| Benchmark | YCbCrRatio444 | 90 | 8.672 ms | 0.0772 ms | 0.0722 ms | +| Benchmark | Luminance | 100 | 9.554 ms | 0.1211 ms | 0.1012 ms | +| Benchmark | Rgb | 100 | 19.475 ms | 0.1080 ms | 0.0958 ms | +| Benchmark | YCbCrRatio420 | 100 | 10.146 ms | 0.0585 ms | 0.0519 ms | +| Benchmark | YCbCrRatio444 | 100 | 15.317 ms | 0.0709 ms | 0.0592 ms | +*/