Parallel compression pigz

There was a discussion sometime ago about perhaps enabling pigz (parallel gzip) with Slicer. How to unset default 'compress' option during save - #7 by pieper

At the time, question was lack of a windows port. I see there is one:
@pieper would this help?

It is a complicated topic. Such changes should happen at lower level, in ITK and there are plans for it, see

Unfortunately, for me it seems that the discussion does not seem to converge to a reasonable solution (see my comments there).

That’s unfortunate. Breaking the nrrd compatibility between itk and non-itk based programs would be a pretty bad idea.