You don't really have much choice - it's a kernel based filter whichever way you look at it and since it's parallelised already you have limited options in terms of making major speed improvements . The only way it really gets faster is to do less work. If you chain 8 of these with kernel size 16 in a row it will be a lot…
lol.. I think his talking about this image because the picture is inside the letters XD http://a2.l3-images.myspacecdn.com/images02/117/f6d7d66c5f0b4ac88a69ae24c8e9597e/l.jpg
baked. 11k tris. now it's time for creation materials in substance designer, and i'm pretty terrified. Here's the standart "stylized bone" material from substance painter