Imaging Benchmarks 19/04/2017

Benchmarks.md

Resize

BenchmarkDotNet=v0.10.3.0, OS=Microsoft Windows 10.0.15063
Processor=Intel(R) Core(TM) i7-6600U CPU 2.60GHz, ProcessorCount=4
Frequency=2742191 Hz, Resolution=364.6719 ns, Timer=TSC
dotnet cli version=1.0.3
  [Host]     : .NET Core 4.6.25009.03, 64bit RyuJIT
  Job-YVBYQX : .NET Core 4.6.25009.03, 64bit RyuJIT

Toolchain=CoreCsProj

                    Method |       Mean |    StdDev |    Gen 0 |    Gen 1 |    Gen 2 | Allocated |
-------------------------- |----------- |---------- |--------- |--------- |--------- |---------- |
       'ImageSharp Resize' |  8.7665 ms | 0.1078 ms | 183.3333 | 152.0833 | 152.0833 |   4.59 MB |
      'ImageMagick Resize' | 62.8907 ms | 0.6899 ms |        - |        - |        - |   6.16 kB |
                 FreeImage | 12.2221 ms | 0.2100 ms | 250.0000 |        - |        - |    4.1 kB |
 'SkiaSharp Canvas Resize' |  2.7685 ms | 0.0243 ms |        - |        - |        - |   1.15 kB |
 'SkiaSharp Bitmap Resize' |  6.5434 ms | 0.0967 ms |        - |        - |  

Load Resize Save

BenchmarkDotNet=v0.10.3.0, OS=Microsoft Windows 10.0.15063
Processor=Intel(R) Core(TM) i7-6600U CPU 2.60GHz, ProcessorCount=4
Frequency=2742191 Hz, Resolution=364.6719 ns, Timer=TSC
dotnet cli version=1.0.3
  [Host]     : .NET Core 4.6.25009.03, 64bit RyuJIT
  Job-TCQDXB : .NET Core 4.6.25009.03, 64bit RyuJIT

Toolchain=CoreCsProj

                                Method |        Mean |    StdErr |     StdDev |      Median |     Gen 0 |     Gen 1 |     Gen 2 | Allocated |
-------------------------------------- |------------ |---------- |----------- |------------ |---------- |---------- |---------- |---------- |
       'ImageSharp Load, Resize, Save' | 559.9014 ms | 1.8576 ms |  7.1945 ms | 557.9842 ms | 5670.8333 | 2083.3333 | 1358.3333 | 137.53 MB |
      'ImageMagick Load, Resize, Save' | 792.2733 ms | 2.4167 ms |  9.0426 ms | 788.5338 ms |         - |         - |         - |  59.25 kB |
        'ImageFree Load, Resize, Save' | 408.4990 ms | 1.1194 ms |  4.0361 ms | 406.6774 ms | 5416.6667 |         - |         - | 114.89 kB |
      'MagicScaler Load, Resize, Save' | 148.5096 ms | 0.5062 ms |  1.9606 ms | 148.0197 ms |  625.0000 |         - |         - |   3.24 MB |
 'SkiaSharp Canvas Load, Resize, Save' | 219.0432 ms | 1.4501 ms |  5.2284 ms | 217.2815 ms | 1341.3462 |         - |         - |   3.57 MB |
 'SkiaSharp Bitmap Load, Resize, Save' | 265.7063 ms | 2.7451 ms | 15.7696 ms | 257.8925 ms | 1357.5000 |         - |         - |   3.54 MB |

A definite improvement on raw resizing but still struggling with the full job. The jpeg decoder is our bottleneck here running at about 4x slower than System.Drawing.