Anton Firszov
9 years ago
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namespace ImageSharp.Benchmarks.Image |
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{ |
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using System; |
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using System.Collections.Generic; |
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using System.Drawing; |
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using System.IO; |
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using System.Linq; |
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|
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using BenchmarkDotNet.Attributes; |
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using Image = ImageSharp.Image; |
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using ImageSharpSize = ImageSharp.Size; |
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public class DecodeJpegMultiple |
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{ |
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private Dictionary<string, byte[]> fileNamesToBytes; |
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public enum JpegTestingMode |
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{ |
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All, |
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SmallImagesOnly, |
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LargeImagesOnly, |
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CalliphoraOnly, |
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} |
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[Params(JpegTestingMode.All, JpegTestingMode.SmallImagesOnly, JpegTestingMode.LargeImagesOnly, JpegTestingMode.CalliphoraOnly)] |
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public JpegTestingMode Mode { get; set; } |
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private IEnumerable<KeyValuePair<string, byte[]>> RequestedImages |
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{ |
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get |
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{ |
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int thresholdInBytes = 100000; |
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switch (this.Mode) |
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{ |
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case JpegTestingMode.All: |
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return this.fileNamesToBytes; |
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case JpegTestingMode.SmallImagesOnly: |
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return this.fileNamesToBytes.Where(kv => kv.Value.Length < thresholdInBytes); |
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case JpegTestingMode.LargeImagesOnly: |
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return this.fileNamesToBytes.Where(kv => kv.Value.Length >= thresholdInBytes); |
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case JpegTestingMode.CalliphoraOnly: |
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return new[] { |
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this.fileNamesToBytes.First(kv => kv.Key.ToLower().Contains("calliphora")) |
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}; |
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default: |
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throw new ArgumentOutOfRangeException(); |
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} |
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} |
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} |
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#if BENCHMARK46
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private const string Folder = "../../../ImageSharp.Tests/TestImages/Formats/Jpg/"; |
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#else
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private const string Folder = "../ImageSharp.Tests/TestImages/Formats/Jpg/"; |
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#endif
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[Setup] |
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public void ReadImages() |
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{ |
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if (this.fileNamesToBytes != null) return; |
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// Decoder does not work for these images (yet?):
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string[] filterWords = { "testimgari", "corrupted", "gray", "longvertical" }; |
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var allFiles = Directory.EnumerateFiles(Folder, "*.jpg", SearchOption.AllDirectories) |
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.Where(fn => !filterWords.Any(w => fn.ToLower().Contains(w))) |
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.ToArray(); |
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this.fileNamesToBytes = allFiles.ToDictionary(fn => fn, File.ReadAllBytes); |
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} |
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[Benchmark(Description = "DecodeJpegMultiple - ImageSharp")] |
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public ImageSharpSize JpegImageSharp() |
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{ |
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ImageSharpSize lastSize = new ImageSharpSize(); |
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foreach (var kv in this.RequestedImages) |
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{ |
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using (MemoryStream memoryStream = new MemoryStream(kv.Value)) |
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{ |
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Image image = new ImageSharp.Image(memoryStream); |
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lastSize = new ImageSharpSize(image.Width, image.Height); |
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} |
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} |
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return lastSize; |
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} |
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[Benchmark(Baseline = true, Description = "DecodeJpegMultiple - System.Drawing")] |
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public Size JpegSystemDrawing() |
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{ |
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Size lastSize = new System.Drawing.Size(); |
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foreach (var kv in this.RequestedImages) |
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{ |
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using (MemoryStream memoryStream = new MemoryStream(kv.Value)) |
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{ |
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using (System.Drawing.Image image = System.Drawing.Image.FromStream(memoryStream)) |
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{ |
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lastSize = image.Size; |
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} |
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} |
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} |
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return lastSize; |
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} |
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} |
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} |
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@ -1,54 +0,0 @@ |
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using System.Numerics; |
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using ImageSharp.Formats; |
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using Xunit; |
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using Xunit.Abstractions; |
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namespace ImageSharp.Tests.Formats.Jpg |
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{ |
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public class DctTests : UtilityTestClassBase |
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{ |
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public DctTests(ITestOutputHelper output) |
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: base(output) |
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{ |
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} |
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[Fact] |
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public void Mennyi() |
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{ |
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Output.WriteLine(Vector.IsHardwareAccelerated.ToString()); |
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Output.WriteLine(Vector<float>.Count.ToString()); |
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} |
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[Fact] |
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public void CheckTestData() |
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{ |
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var data = Create8x8FloatData(); |
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Print8x8Data(data); |
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} |
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[Fact] |
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public void Transpose8x8() |
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{ |
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var data = Create8x8FloatData(); |
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MutableSpan<float> result = new MutableSpan<float>(64); |
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ReferenceImplementations.Transpose8x8(data, result); |
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Print8x8Data(result.Data); |
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} |
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[Fact] |
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public void Transpose8x8_Inplace() |
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{ |
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var data = Create8x8FloatData(); |
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ReferenceImplementations.Transpose8x8(data); |
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Print8x8Data(data); |
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} |
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} |
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} |
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After Width: | Height: | Size: 49 KiB |
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After Width: | Height: | Size: 528 KiB |
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After Width: | Height: | Size: 44 KiB |
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After Width: | Height: | Size: 751 KiB |
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After Width: | Height: | Size: 5.5 KiB |
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After Width: | Height: | Size: 5.6 KiB |
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After Width: | Height: | Size: 5.6 KiB |