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97 lines
3.9 KiB
97 lines
3.9 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;
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using SixLabors.ImageSharp.Formats.Jpeg;
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using SixLabors.ImageSharp.Tests;
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namespace SixLabors.ImageSharp.Benchmarks.Codecs.Jpeg;
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public class DecodeJpeg
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{
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private JpegDecoder decoder;
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private MemoryStream preloadedImageStream;
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private void GenericSetup(string imageSubpath)
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{
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this.decoder = JpegDecoder.Instance;
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byte[] bytes = File.ReadAllBytes(Path.Combine(TestEnvironment.InputImagesDirectoryFullPath, imageSubpath));
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this.preloadedImageStream = new MemoryStream(bytes);
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}
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private void GenericBechmark()
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{
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this.preloadedImageStream.Position = 0;
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using Image img = this.decoder.Decode(DecoderOptions.Default, this.preloadedImageStream);
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}
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[GlobalSetup(Target = nameof(JpegBaselineInterleaved444))]
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public void SetupBaselineInterleaved444() =>
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this.GenericSetup(TestImages.Jpeg.Baseline.Winter444_Interleaved);
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[GlobalSetup(Target = nameof(JpegBaselineInterleaved420))]
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public void SetupBaselineInterleaved420() =>
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this.GenericSetup(TestImages.Jpeg.Baseline.Hiyamugi);
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[GlobalSetup(Target = nameof(JpegBaseline400))]
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public void SetupBaselineSingleComponent() =>
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this.GenericSetup(TestImages.Jpeg.Baseline.Jpeg400);
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[GlobalSetup(Target = nameof(JpegProgressiveNonInterleaved420))]
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public void SetupProgressiveNoninterleaved420() =>
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this.GenericSetup(TestImages.Jpeg.Progressive.Winter420_NonInterleaved);
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[GlobalCleanup]
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public void Cleanup()
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{
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this.preloadedImageStream.Dispose();
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this.preloadedImageStream = null;
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}
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[Benchmark(Description = "Baseline 4:4:4 Interleaved")]
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public void JpegBaselineInterleaved444() => this.GenericBechmark();
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[Benchmark(Description = "Baseline 4:2:0 Interleaved")]
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public void JpegBaselineInterleaved420() => this.GenericBechmark();
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[Benchmark(Description = "Baseline 4:0:0 (grayscale)")]
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public void JpegBaseline400() => this.GenericBechmark();
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[Benchmark(Description = "Progressive 4:2:0 Non-Interleaved")]
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public void JpegProgressiveNonInterleaved420() => this.GenericBechmark();
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}
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/*
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BenchmarkDotNet=v0.13.0, OS=Windows 10.0.19042.1348 (20H2/October2020Update)
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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 3.1.18 (CoreCLR 4.700.21.35901, CoreFX 4.700.21.36305), X64 RyuJIT
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DefaultJob : .NET Core 3.1.18 (CoreCLR 4.700.21.35901, CoreFX 4.700.21.36305), X64 RyuJIT
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| Method | Mean | Error | StdDev |
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|------------------------------------ |----------:|----------:|----------:|
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| 'Baseline 4:4:4 Interleaved' | 11.127 ms | 0.0659 ms | 0.0550 ms |
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| 'Baseline 4:2:0 Interleaved' | 8.458 ms | 0.0289 ms | 0.0256 ms |
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| 'Baseline 4:0:0 (grayscale)' | 1.550 ms | 0.0050 ms | 0.0044 ms |
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| 'Progressive 4:2:0 Non-Interleaved' | 13.220 ms | 0.0449 ms | 0.0398 ms |
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FRESH BENCHMARKS FOR NEW SPECTRAL CONVERSION SETUP
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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 | Mean | Error | StdDev |
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|------------------------------------ |----------:|----------:|----------:|
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| 'Baseline 4:4:4 Interleaved' | 10.734 ms | 0.0287 ms | 0.0254 ms |
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| 'Baseline 4:2:0 Interleaved' | 8.517 ms | 0.0401 ms | 0.0356 ms |
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| 'Baseline 4:0:0 (grayscale)' | 1.442 ms | 0.0051 ms | 0.0045 ms |
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| 'Progressive 4:2:0 Non-Interleaved' | 12.740 ms | 0.0832 ms | 0.0730 ms |
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*/
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