FC3 performance on non-P4 CPUs
Dave Jones
davej at redhat.com
Fri Nov 12 16:41:31 UTC 2004
On Fri, Nov 12, 2004 at 06:23:17PM +0200, Pasha wrote:
> Hi,
>
> FC3 release notes states that it is optimized for P4 processors. How
> does this affect earlier CPUs? Will I gain anything if I recompile
> kernel and glibc for my processor (P3)?
Instructions are scheduled (ordered) optimally for P4, but no
P4 specific instructions are used. As such it'll run just fine
on < P4's. Recompiling will gain you a tiny percentage speed
increase, but probably nothing noticable.
Dave
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