[ut2003io] CPU Performance (was: Color depth)

[Ryan C. Gordon]

> Out of curiosity, have you tied with icc at all? Perhaps it'll perform
> better in general (or so they claim).

Intel C++ does, overall, generate better code than GCC, but there were 
some issues with UT2003 and icc. Version 6 was leaps and bounds better 
than version 5, so I'll probably try it again with version 7 when that's 
available.

--ryan.