Hey hey hows it going, I'm currently porting gm_bigcity into an empires mod map and made the mistake of not using your version with all the wonderful hint/skips you made in the first place(20 people crashed on the server running the unoptimized version) . My version used hl2 and empires mod textures and a few building edits but other than that its the same (minus the twin towers) .
I'm currently running into a vismap expansion overflow problem when trying to use your optimization on my version. Although i've only used fast compile, I couldn't help but worry it would have been for nothing to try to normal compile. I'm assuming this took a significant time to compile normally.

Thanks in advance.