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96 lines
3.3 KiB
96 lines
3.3 KiB
// Copyright (c) Six Labors.
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// Licensed under the Six Labors Split License.
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using BenchmarkDotNet.Attributes;
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using SixLabors.ImageSharp.Formats.Jpeg;
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using SixLabors.ImageSharp.PixelFormats;
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using SixLabors.ImageSharp.Tests;
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namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg;
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/// <summary>
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/// Benchmark for all available encoding features of the Jpeg file type.
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/// </summary>
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/// <remarks>
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/// This benchmark does NOT compare ImageSharp to any other jpeg codecs.
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/// </remarks>
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public class EncodeJpegFeatures
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{
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// Big enough, 4:4:4 chroma sampling
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// No metadata
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private const string TestImage = TestImages.Jpeg.Baseline.Calliphora;
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public static IEnumerable<JpegColorType> ColorSpaceValues =>
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[
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JpegColorType.Luminance,
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JpegColorType.Rgb,
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JpegColorType.YCbCrRatio420,
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JpegColorType.YCbCrRatio444,
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];
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[Params(75, 90, 100)]
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public int Quality { get; set; }
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[ParamsSource(nameof(ColorSpaceValues), Priority = -100)]
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public JpegColorType TargetColorSpace { get; set; }
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private Image<Rgb24> bmpCore;
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private JpegEncoder encoder;
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private MemoryStream destinationStream;
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[GlobalSetup]
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public void Setup()
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{
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using FileStream imageBinaryStream = File.OpenRead(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, TestImage));
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this.bmpCore = Image.Load<Rgb24>(imageBinaryStream);
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this.encoder = new JpegEncoder
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{
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Quality = this.Quality,
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ColorType = this.TargetColorSpace,
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Interleaved = true,
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};
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this.destinationStream = new MemoryStream();
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}
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[GlobalCleanup]
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public void Cleanup()
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{
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this.bmpCore.Dispose();
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this.bmpCore = null;
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this.destinationStream.Dispose();
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this.destinationStream = null;
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}
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[Benchmark]
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public void Benchmark()
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{
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this.bmpCore.SaveAsJpeg(this.destinationStream, this.encoder);
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this.destinationStream.Seek(0, SeekOrigin.Begin);
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}
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}
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/*
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BenchmarkDotNet=v0.13.0, OS=Windows 10.0.19044
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Intel Core i7-6700K CPU 4.00GHz (Skylake), 1 CPU, 8 logical and 4 physical cores
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.NET SDK=6.0.202
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[Host] : .NET 6.0.4 (6.0.422.16404), X64 RyuJIT
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DefaultJob : .NET 6.0.4 (6.0.422.16404), X64 RyuJIT
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| Method | TargetColorSpace | Quality | Mean | Error | StdDev |
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|---------- |----------------- |-------- |----------:|----------:|----------:|
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| Benchmark | Luminance | 75 | 4.618 ms | 0.0263 ms | 0.0233 ms |
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| Benchmark | Rgb | 75 | 12.543 ms | 0.0650 ms | 0.0608 ms |
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| Benchmark | YCbCrRatio420 | 75 | 6.639 ms | 0.0778 ms | 0.1256 ms |
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| Benchmark | YCbCrRatio444 | 75 | 8.590 ms | 0.0570 ms | 0.0505 ms |
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| Benchmark | Luminance | 90 | 4.902 ms | 0.0307 ms | 0.0288 ms |
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| Benchmark | Rgb | 90 | 13.447 ms | 0.0468 ms | 0.0415 ms |
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| Benchmark | YCbCrRatio420 | 90 | 7.218 ms | 0.0586 ms | 0.0548 ms |
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| Benchmark | YCbCrRatio444 | 90 | 9.150 ms | 0.0779 ms | 0.0729 ms |
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| Benchmark | Luminance | 100 | 6.731 ms | 0.0325 ms | 0.0304 ms |
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| Benchmark | Rgb | 100 | 19.831 ms | 0.1009 ms | 0.0788 ms |
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| Benchmark | YCbCrRatio420 | 100 | 10.541 ms | 0.0423 ms | 0.0396 ms |
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| Benchmark | YCbCrRatio444 | 100 | 15.345 ms | 0.3276 ms | 0.3065 ms |
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*/
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