📷 A modern, cross-platform, 2D Graphics library for .NET
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//// Copyright (c) Six Labors.
//// Licensed under the Apache License, Version 2.0.
//using System.IO;
//using BenchmarkDotNet.Attributes;
//using SixLabors.ImageSharp.Formats.Jpeg;
//using SixLabors.ImageSharp.IO;
//using SixLabors.ImageSharp.Tests;
//using SDSize = System.Drawing.Size;
//namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg
//{
// [Config(typeof(Config.ShortMultiFramework))]
// public class DecodeJpegParseStreamOnly
// {
// [Params(TestImages.Jpeg.BenchmarkSuite.Lake_Small444YCbCr)]
// public string TestImage { get; set; }
// private string TestImageFullPath => Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, this.TestImage);
// private byte[] jpegBytes;
// [GlobalSetup]
// public void Setup()
// => this.jpegBytes = File.ReadAllBytes(this.TestImageFullPath);
// [Benchmark(Baseline = true, Description = "System.Drawing FULL")]
// public SDSize JpegSystemDrawing()
// {
// using var memoryStream = new MemoryStream(this.jpegBytes);
// using var image = System.Drawing.Image.FromStream(memoryStream);
// return image.Size;
// }
// [Benchmark(Description = "JpegDecoderCore.ParseStream")]
// public void ParseStream()
// {
// using var memoryStream = new MemoryStream(this.jpegBytes);
// using var bufferedStream = new BufferedReadStream(Configuration.Default, memoryStream);
// var decoder = new JpegDecoderCore(Configuration.Default, new JpegDecoder { IgnoreMetadata = true });
// decoder.ParseStream(bufferedStream);
// decoder.Dispose();
// }
// }
// /*
// | Method | Job | Runtime | TestImage | Mean | Error | StdDev | Ratio | Gen 0 | Gen 1 | Gen 2 | Allocated |
// |---------------------------- |----------- |-------------- |--------------------- |---------:|----------:|----------:|------:|--------:|------:|------:|----------:|
// | 'System.Drawing FULL' | Job-HITJFX | .NET 4.7.2 | Jpg/b(...)e.jpg [21] | 5.828 ms | 0.9885 ms | 0.0542 ms | 1.00 | 46.8750 | - | - | 211566 B |
// | JpegDecoderCore.ParseStream | Job-HITJFX | .NET 4.7.2 | Jpg/b(...)e.jpg [21] | 5.833 ms | 0.2923 ms | 0.0160 ms | 1.00 | - | - | - | 12416 B |
// | | | | | | | | | | | | |
// | 'System.Drawing FULL' | Job-WPSKZD | .NET Core 2.1 | Jpg/b(...)e.jpg [21] | 6.018 ms | 2.1374 ms | 0.1172 ms | 1.00 | 46.8750 | - | - | 210768 B |
// | JpegDecoderCore.ParseStream | Job-WPSKZD | .NET Core 2.1 | Jpg/b(...)e.jpg [21] | 4.382 ms | 0.9009 ms | 0.0494 ms | 0.73 | - | - | - | 12360 B |
// | | | | | | | | | | | | |
// | 'System.Drawing FULL' | Job-ZLSNRP | .NET Core 3.1 | Jpg/b(...)e.jpg [21] | 5.714 ms | 0.4078 ms | 0.0224 ms | 1.00 | - | - | - | 176 B |
// | JpegDecoderCore.ParseStream | Job-ZLSNRP | .NET Core 3.1 | Jpg/b(...)e.jpg [21] | 4.239 ms | 1.0943 ms | 0.0600 ms | 0.74 | - | - | - | 12406 B |
// */
//}