I've looked around and i get a gist of 1-2 hours for a full compile on an average map. I have a map basically completely done, I've been doing fast compiles the entire time. On the building portals part i got from 2...3 in a about 8 hours when i was sleeping. It is a larger map, I've checked for leaks and there are none, double checked having no draws behind displacements and changed my map a bit to reduce the visleafs generated. Is there anything else this could be? I have a feeling I'm going to have to do hints in the map to help speed this process up but want to see if I'm missing anything huge.