On Fri, 7 Jan 2005, Steve Bergman wrote: > I am seeking clarification of a point made in the release notes. It states > that FC3 is optimized for Pentium 4. However the kernels and glibc available > are labeled as i686 and i386. I assume, since Pentium 1 is the minimum > hardware requirement, that the instruction set used is Pentium 1. So: > > 1. What optimization and instruction set are the general packages actually > compiled with? > 2. What optimization and instruction set are glibc-i686 and kernel-i686 > compiled with? (I seem to recall that the kernel is now optimized for size.) > 3. How important is this to someone running a different processor? (Say Athlon > XP.) IIRC p4 has very specific optimization requirements. Plenty of mails on this topic in the fedora-devel-list archives. You might want to check there.. The FC3 .i386 rpms are built with -O2 -g -pipe -m32 -march=i386 -mtune=pentium4 Satish
