Elliot Lee wrote:
Image/video/sound processing have to be hand-coded if they want to use MMX, so changing compiler flags won't help there. The other examples you gave, well, there are no additional instructions that will benefit them.
If you don't believe us, run some benchmarks :-)
I've benchmarked extensively only firefox, the new mozilla browser, and i could say that the page render significantly faster on i686 build against a i386 one... i've no other benchmarks now, but i'll try to do some tests.
True, AFAICT, the current mozilla packages in Fedora Core do not include cpu optmizations.
-- Rex
