Spring RTS Engine

I really appreciate this post, it appears to get me about 10-15 extra fps while playing spring for some reason, which i don't think all comes form a separate x server. Even tho, it i have also used it for Urban Terror, Nexuz, and Alien Arena, however i am not sure that it is helping with the perform...

When i first installed Spring on my 32-bit linux/ Ubuntu, i followed the (http://spring.clan-sy.com/wiki/Ubuntu_install) wiki and installed RAI along with the other AIs, but spring seems to not recognize it, has anyone else had this problem? (and if you could help...)