Exactly. It isn't worth optimizing every single bit of code for you architecture. The important bits, like the kernel and glibc, are already optimized. If you want particular packages optimized, it is pretty simple to do: rpm --rebuild --target=i686 /mnt/cdrom/SRPMS/foo.src.rpm I usually only bother with audio/video en/decoders, emulators (kegs!), etc. On Tue, Mar 19, 2002 at 11:09:58AM -0500, Scott Venier wrote: scott> or, you could realize that your machine spends 12/13* of it's time in an scott> idle loop (or seti@home/distributed.net which are hand tweaked scott> anyway) waiting on user input and just not bother. And that's not even scott> counting the time that processes spend blocked on system io. -- Charles R. Anderson <cra@wpi.edu> / http://angus.ind.wpi.edu/~cra/ PGP Key ID: 49BB5886 Fingerprint: EBA3 A106 7C93 FA07 8E15 3AC2 C367 A0F9 49BB 5886