On Wed, 22 Jul 2009 22:33:46 +0200 Ivan Voras <ivo...@freebsd.org> wrote:
> Scott Bennett wrote: > > This is a curiousity question. I'm running 7.2-STABLE at > > present on an old Inspiron XPS, which has a 3.4 GHz P4 Prescott > > CPU. I have hyperthreading enabled in the kernel. The question > > is: is there any appreciable performance difference to be expected > > with this hardware setup between the ULE scheduler and the 4BSD > > scheduler? Or does the fact that there is only one core eliminate > > any difference in performance characteristics? > > I'd guess the second thing. It's not like there's cache to be shared > between cores, etc. But with hyperthreading enabled, don't you have virtual CPUs sharing L1 cache rather that cores sharing L2 cache, making the case for ULE even stronger? _______________________________________________ firstname.lastname@example.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"