tsai
/
ImageSharp
mirror of https://github.com/SixLabors/ImageSharp
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Browse Source

Update playground

pull/2076/head
Dmitry Pentin 4 years ago
parent
f4d5f1a760
commit
282e593057
1 changed files with 104 additions and 9 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 113
      tests/ImageSharp.Tests.ProfilingSandbox/Program.cs

113
tests/ImageSharp.Tests.ProfilingSandbox/Program.cs
View File

@ -7,6 +7,8 @@ using System.IO;
using System.Reflection;
using System.Threading;
using SixLabors.ImageSharp.Formats.Jpeg;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing;
using SixLabors.ImageSharp.Tests.PixelFormats.PixelOperations;
using SixLabors.ImageSharp.Tests.ProfilingBenchmarks;
using Xunit.Abstractions;
@ -28,17 +30,21 @@ namespace SixLabors.ImageSharp.Tests.ProfilingSandbox
public static void Main(string[] args)
{
ReEncodeImage("Calliphora");
//ReEncodeImage("Calliphora");
// Decoding - Master
// Elapsed: 7609ms across 1000 iterations
// Average: 7,609ms
//BenchmarkDecoder("Calliphora", 1000);
// DecodeImageResize__explicit("Calliphora", new Size(101, 150));
// DecodeImageResize__experimental("Calliphora_aligned_size", new Size(101, 150));
//DecodeImageResize__experimental("winter420_noninterleaved", new Size(80, 120));
// Decoding - Kiryu
// Elapsed: 7392ms across 1000 iterations
// Average: 7,392ms
//BenchmarkDecoder("Calliphora", 1000);
// Decode-Resize-Encode w/ Mutate()
// Elapsed: 2504ms across 250 iterations
// Average: 10,016ms
BenchmarkResizingLoop__explicit("Calliphora", new Size(80, 120), 250);
// Decode-Resize-Encode w/ downscaling decoder
// Elapsed: 1157ms across 250 iterations
// Average: 4,628ms
BenchmarkResizingLoop__experimental("Calliphora", new Size(80, 120), 250);
Console.WriteLine("Done.");
}
@ -99,6 +105,61 @@ namespace SixLabors.ImageSharp.Tests.ProfilingSandbox
$"// Average: {(double)sw.ElapsedMilliseconds / iterations}ms");
}
private static void BenchmarkResizingLoop__experimental(string fileName, Size targetSize, int iterations)
{
string loadPath = String.Format(pathTemplate, fileName);
using var fileStream = new FileStream(loadPath, FileMode.Open);
using var saveStream = new MemoryStream();
using var inputStream = new MemoryStream();
fileStream.CopyTo(inputStream);
var decoder = new JpegDecoder { IgnoreMetadata = true };
var encoder = new JpegEncoder { ColorType = JpegColorType.YCbCrRatio444 };
var sw = new Stopwatch();
sw.Start();
for (int i = 0; i < iterations; i++)
{
inputStream.Position = 0;
using Image img = decoder.Experimental__DecodeInto<Rgb24>(Configuration.Default, inputStream, targetSize, CancellationToken.None);
img.SaveAsJpeg(saveStream, encoder);
}
sw.Stop();
Console.WriteLine($"// Decode-Resize-Encode w/ downscaling decoder\n" +
$"// Elapsed: {sw.ElapsedMilliseconds}ms across {iterations} iterations\n" +
$"// Average: {(double)sw.ElapsedMilliseconds / iterations}ms");
}
private static void BenchmarkResizingLoop__explicit(string fileName, Size targetSize, int iterations)
{
string loadPath = String.Format(pathTemplate, fileName);
using var fileStream = new FileStream(loadPath, FileMode.Open);
using var saveStream = new MemoryStream();
using var inputStream = new MemoryStream();
fileStream.CopyTo(inputStream);
var decoder = new JpegDecoder { IgnoreMetadata = true };
var encoder = new JpegEncoder { ColorType = JpegColorType.YCbCrRatio444 };
var sw = new Stopwatch();
sw.Start();
for (int i = 0; i < iterations; i++)
{
inputStream.Position = 0;
using Image img = decoder.Decode<Rgb24>(Configuration.Default, inputStream, CancellationToken.None);
img.Mutate(ctx => ctx.Resize(targetSize, KnownResamplers.Box, false));
img.SaveAsJpeg(saveStream, encoder);
}
sw.Stop();
Console.WriteLine($"// Decode-Resize-Encode w/ Mutate()\n" +
$"// Elapsed: {sw.ElapsedMilliseconds}ms across {iterations} iterations\n" +
$"// Average: {(double)sw.ElapsedMilliseconds / iterations}ms");
}
private static void ReEncodeImage(string fileName, int? quality = null)
{
string loadPath = String.Format(pathTemplate, fileName);
@ -113,6 +174,40 @@ namespace SixLabors.ImageSharp.Tests.ProfilingSandbox
img.SaveAsJpeg(savePath, encoder);
}
private static void DecodeImageResize__explicit(string fileName, Size targetSize, int? quality = null)
{
string loadPath = String.Format(pathTemplate, fileName);
string savePath = String.Format(pathTemplate, $"q{quality}_test_{fileName}");
var decoder = new JpegDecoder();
var encoder = new JpegEncoder()
{
Quality = quality,
ColorType = JpegColorType.YCbCrRatio444
};
using Image img = decoder.Decode<Rgb24>(Configuration.Default, File.OpenRead(loadPath), CancellationToken.None);
img.Mutate(ctx => ctx.Resize(targetSize, KnownResamplers.Box, false));
img.SaveAsJpeg(savePath, encoder);
}
private static void DecodeImageResize__experimental(string fileName, Size targetSize, int? quality = null)
{
string loadPath = String.Format(pathTemplate, fileName);
var decoder = new JpegDecoder();
using Image img = decoder.Experimental__DecodeInto<Rgb24>(Configuration.Default, File.OpenRead(loadPath), targetSize, CancellationToken.None);
string savePath = String.Format(pathTemplate, $"q{quality}_test_{fileName}");
var encoder = new JpegEncoder()
{
Quality = quality,
ColorType = JpegColorType.YCbCrRatio444
};
img.SaveAsJpeg(savePath, encoder);
}
private static Version GetNetCoreVersion()
{
Assembly assembly = typeof(System.Runtime.GCSettings).GetTypeInfo().Assembly;

Write Preview
Loading…
Cancel
Save