// Copyright (c) Six Labors.
// Licensed under the Apache License, Version 2.0.
using System.IO;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Diagnosers;
using BenchmarkDotNet.Environments;
using BenchmarkDotNet.Jobs;
using SixLabors.ImageSharp.Formats.Jpeg;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Tests;
using SDImage = System.Drawing.Image;
using SDSize = System.Drawing.Size;
// ReSharper disable InconsistentNaming
namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg
{
///
/// Image-specific Jpeg benchmarks
///
[Config(typeof(Config.ShortClr))]
public class DecodeJpeg_ImageSpecific
{
public class Config : ManualConfig
{
public Config()
{
this.Add(MemoryDiagnoser.Default);
}
public class ShortClr : Benchmarks.Config
{
public ShortClr()
{
// Job.Default.With(ClrRuntime.Net472).WithLaunchCount(1).WithWarmupCount(2).WithIterationCount(3),
this.Add(Job.Default.With(CoreRuntime.Core31).WithLaunchCount(1).WithWarmupCount(2).WithIterationCount(3));
}
}
}
private byte[] jpegBytes;
private string TestImageFullPath => Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, this.TestImage);
#pragma warning disable SA1115
[Params(
TestImages.Jpeg.BenchmarkSuite.Lake_Small444YCbCr,
TestImages.Jpeg.BenchmarkSuite.BadRstProgressive518_Large444YCbCr,
// The scaled result for the large image "ExifGetString750Transform_Huge420YCbCr"
// is almost the same as the result for Jpeg420Exif,
// which proves that the execution time for the most common YCbCr 420 path scales linearly.
// TestImages.Jpeg.BenchmarkSuite.ExifGetString750Transform_Huge420YCbCr,
TestImages.Jpeg.BenchmarkSuite.Jpeg420Exif_MidSizeYCbCr)]
public string TestImage { get; set; }
[GlobalSetup]
public void ReadImages()
{
if (this.jpegBytes == null)
{
this.jpegBytes = File.ReadAllBytes(this.TestImageFullPath);
}
}
[Benchmark(Baseline = true, Description = "Decode Jpeg - System.Drawing")]
public SDSize JpegSystemDrawing()
{
using (var memoryStream = new MemoryStream(this.jpegBytes))
{
using (var image = SDImage.FromStream(memoryStream))
{
return image.Size;
}
}
}
[Benchmark(Description = "Decode Jpeg - ImageSharp")]
public Size JpegImageSharp()
{
using (var memoryStream = new MemoryStream(this.jpegBytes))
{
using (var image = Image.Load(memoryStream, new JpegDecoder { IgnoreMetadata = true }))
{
return new Size(image.Width, image.Height);
}
}
}
// RESULTS (2018 November 4):
//
// BenchmarkDotNet=v0.10.14, OS=Windows 10.0.17134
// Intel Core i7-7700HQ CPU 2.80GHz (Kaby Lake), 1 CPU, 8 logical and 4 physical cores
// Frequency=2742191 Hz, Resolution=364.6719 ns, Timer=TSC
// .NET Core SDK=2.1.403
// [Host] : .NET Core 2.1.5 (CoreCLR 4.6.26919.02, CoreFX 4.6.26919.02), 64bit RyuJIT
//
// Method | TestImage | Mean | Error | StdDev | Scaled | ScaledSD | Gen 0 | Gen 1 | Gen 2 | Allocated |
// ------------------------------- |-------------------------------------------- |-----------:|-----------:|----------:|-------:|---------:|----------:|---------:|---------:|------------:|
// 'Decode Jpeg - System.Drawing' | Jpg/baseline/Lake.jpg | 6.117 ms | 0.3923 ms | 0.0222 ms | 1.00 | 0.00 | 62.5000 | - | - | 205.83 KB |
// 'Decode Jpeg - ImageSharp' | Jpg/baseline/Lake.jpg | 18.126 ms | 0.6023 ms | 0.0340 ms | 2.96 | 0.01 | - | - | - | 19.97 KB |
// | | | | | | | | | | |
// 'Decode Jpeg - System.Drawing' | Jpg/baseline/jpeg420exif.jpg | 17.063 ms | 2.6096 ms | 0.1474 ms | 1.00 | 0.00 | 218.7500 | - | - | 757.04 KB |
// 'Decode Jpeg - ImageSharp' | Jpg/baseline/jpeg420exif.jpg | 41.366 ms | 1.0115 ms | 0.0572 ms | 2.42 | 0.02 | - | - | - | 21.94 KB |
// | | | | | | | | | | |
// 'Decode Jpeg - System.Drawing' | Jpg/issues/Issue518-Bad-RST-Progressive.jpg | 428.282 ms | 94.9163 ms | 5.3629 ms | 1.00 | 0.00 | 2375.0000 | - | - | 7403.76 KB |
// 'Decode Jpeg - ImageSharp' | Jpg/issues/Issue518-Bad-RST-Progressive.jpg | 386.698 ms | 33.0065 ms | 1.8649 ms | 0.90 | 0.01 | 125.0000 | 125.0000 | 125.0000 | 35186.97 KB |
// | | | | | | | | | | |
// 'Decode Jpeg - System.Drawing' | Jpg/issues/issue750-exif-tranform.jpg | 95.192 ms | 3.1762 ms | 0.1795 ms | 1.00 | 0.00 | 1750.0000 | - | - | 5492.63 KB |
// 'Decode Jpeg - ImageSharp' | Jpg/issues/issue750-exif-tranform.jpg | 230.158 ms | 48.8128 ms | 2.7580 ms | 2.42 | 0.02 | 312.5000 | 312.5000 | 312.5000 | 58834.66 KB |
// RESULTS (2019 April 23):
//
// BenchmarkDotNet=v0.11.5, OS=Windows 10.0.17763.437 (1809/October2018Update/Redstone5)
// Intel Core i7-6600U CPU 2.60GHz (Skylake), 1 CPU, 4 logical and 2 physical cores
// .NET Core SDK=2.2.202
// [Host] : .NET Core 2.1.9 (CoreCLR 4.6.27414.06, CoreFX 4.6.27415.01), 64bit RyuJIT
// Core : .NET Core 2.1.9 (CoreCLR 4.6.27414.06, CoreFX 4.6.27415.01), 64bit RyuJIT
//
// | Method | TestImage | Mean | Error | StdDev | Ratio | RatioSD | Gen 0 | Gen 1 | Gen 2 | Allocated |
// |------------------------------- |--------------------- |-----------:|-----------:|-----------:|------:|--------:|----------:|------:|------:|------------:|
// | 'Decode Jpeg - System.Drawing' | Jpg/b(...)e.jpg [21] | 6.957 ms | 9.618 ms | 0.5272 ms | 1.00 | 0.00 | 93.7500 | - | - | 205.83 KB |
// | 'Decode Jpeg - ImageSharp' | Jpg/b(...)e.jpg [21] | 18.348 ms | 8.876 ms | 0.4865 ms | 2.65 | 0.23 | - | - | - | 14.49 KB |
// | | | | | | | | | | | |
// | 'Decode Jpeg - System.Drawing' | Jpg/b(...)f.jpg [28] | 18.687 ms | 11.632 ms | 0.6376 ms | 1.00 | 0.00 | 343.7500 | - | - | 757.04 KB |
// | 'Decode Jpeg - ImageSharp' | Jpg/b(...)f.jpg [28] | 41.990 ms | 25.514 ms | 1.3985 ms | 2.25 | 0.10 | - | - | - | 15.48 KB |
// | | | | | | | | | | | |
// | 'Decode Jpeg - System.Drawing' | Jpg/i(...)e.jpg [43] | 477.265 ms | 732.126 ms | 40.1303 ms | 1.00 | 0.00 | 3000.0000 | - | - | 7403.76 KB |
// | 'Decode Jpeg - ImageSharp' | Jpg/i(...)e.jpg [43] | 348.545 ms | 91.480 ms | 5.0143 ms | 0.73 | 0.06 | - | - | - | 35177.21 KB |
}
}