And the Rays/px image is interesting as well:
Before:
With soft shadows:
First try on gloss (Had a bug where all gloss distortion had a radius up to 1, instead of the gloss number):
MacBook Pro (15-inch, 2016)
2.7 GHz quad-core Intel Core i7 Skylake (6820HQ)
16 GB 2133 MHz LPDDR3 RAM