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112 lines
3.9 KiB
112 lines
3.9 KiB
// Copyright (c) Six Labors.
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// Licensed under the Apache License, Version 2.0.
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using System.Drawing.Imaging;
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using System.IO;
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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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using SkiaSharp;
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using SDImage = System.Drawing.Image;
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namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg
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{
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/// <summary>
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/// Benchmark for performance comparison between other codecs.
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/// </summary>
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/// <remarks>
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/// This benchmarks tests baseline 4:2:0 chroma sampling path.
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/// </remarks>
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public class EncodeJpegComparison
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{
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// Big enough, 4:4:4 chroma sampling
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private const string TestImage = TestImages.Jpeg.Baseline.Calliphora;
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// Change/add parameters for extra benchmarks
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[Params(75, 90, 100)]
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public int Quality;
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private MemoryStream destinationStream;
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// ImageSharp
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private Image<Rgba32> imageImageSharp;
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private JpegEncoder encoderImageSharp;
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// SkiaSharp
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private SKBitmap imageSkiaSharp;
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[GlobalSetup(Target = nameof(BenchmarkImageSharp))]
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public void SetupImageSharp()
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{
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using FileStream imageBinaryStream = File.OpenRead(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, TestImage));
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this.imageImageSharp = Image.Load<Rgba32>(imageBinaryStream);
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this.encoderImageSharp = new JpegEncoder { Quality = this.Quality, ColorType = JpegColorType.YCbCrRatio420 };
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this.destinationStream = new MemoryStream();
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}
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[GlobalCleanup(Target = nameof(BenchmarkImageSharp))]
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public void CleanupImageSharp()
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{
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this.imageImageSharp.Dispose();
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this.imageImageSharp = null;
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this.destinationStream.Dispose();
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this.destinationStream = null;
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}
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[Benchmark(Description = "ImageSharp")]
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public void BenchmarkImageSharp()
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{
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this.imageImageSharp.SaveAsJpeg(this.destinationStream, this.encoderImageSharp);
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this.destinationStream.Seek(0, SeekOrigin.Begin);
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}
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[GlobalSetup(Target = nameof(BenchmarkSkiaSharp))]
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public void SetupSkiaSharp()
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{
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using FileStream imageBinaryStream = File.OpenRead(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, TestImage));
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this.imageSkiaSharp = SKBitmap.Decode(imageBinaryStream);
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this.destinationStream = new MemoryStream();
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}
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[GlobalCleanup(Target = nameof(BenchmarkSkiaSharp))]
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public void CleanupSkiaSharp()
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{
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this.imageSkiaSharp.Dispose();
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this.imageSkiaSharp = null;
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this.destinationStream.Dispose();
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this.destinationStream = null;
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}
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[Benchmark(Description = "SkiaSharp")]
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public void BenchmarkSkiaSharp()
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{
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this.imageSkiaSharp.Encode(SKEncodedImageFormat.Jpeg, this.Quality).SaveTo(this.destinationStream);
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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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/*
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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=6.0.100-preview.3.21202.5
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[Host] : .NET Core 3.1.21 (CoreCLR 4.700.21.51404, CoreFX 4.700.21.51508), X64 RyuJIT
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DefaultJob : .NET Core 3.1.21 (CoreCLR 4.700.21.51404, CoreFX 4.700.21.51508), X64 RyuJIT
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| Method | Quality | Mean | Error | StdDev |
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|----------- |-------- |----------:|----------:|----------:|
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| ImageSharp | 75 | 6.820 ms | 0.0374 ms | 0.0312 ms |
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| SkiaSharp | 75 | 16.417 ms | 0.3238 ms | 0.4747 ms |
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| ImageSharp | 90 | 7.849 ms | 0.1565 ms | 0.3126 ms |
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| SkiaSharp | 90 | 16.893 ms | 0.2200 ms | 0.2058 ms |
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| ImageSharp | 100 | 11.016 ms | 0.2087 ms | 0.1850 ms |
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| SkiaSharp | 100 | 20.410 ms | 0.2583 ms | 0.2290 ms |
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*/
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