Dogway's Filters Packs

[pinterf]

Originally Posted by Dogway

That makes sense now. I thought it only was the convolution types. I also noticed chaining removegrain (or Dither_boxfilter) is very fast, whereas Expr() suffers a lot, probably due what you explained. So processing in 32-bit float would tell another story.

These masktools2 filters has no simd versions, probably because they do generic stuff.
mt_convolution, mt_gradient, mt_mappedblur, mt_hysteresis