Speed of horizontal flip

[Vladimir Panteleev via Digitalmars-d-learn]

On Wednesday, 1 April 2015 at 13:52:06 UTC, tchaloupka wrote:
> C#:
> PNG load - 90ms
> PNG flip - 10ms
> PNG save - 380ms
>
> D using dlib (http://code.dlang.org/packages/dlib):
> PNG load - 500ms
> PNG flip - 30ms
> PNG save - 950ms
>
> D using imageformats
> (http://code.dlang.org/packages/imageformats):
> PNG load - 230ms
> PNG flip - 30ms
> PNG save - 1100ms

My implementation of flip takes 0ms ;)

http://blog.thecybershadow.net/2014/03/21/functional-image-processing-in-d/