On Wed, Jul 06, 2005 at 02:59:37PM -0400, Alan Cox wrote: > On Wed, Jul 06, 2005 at 02:18:40PM -0400, Brian Gerst wrote: > > What about the bloat and slowdown because of the unnecessary spinlocks > > and more complex scheduler code? > > The locks shouldn't matter. AMD got locked operations on exclusive cache > lines right. Its generally only Intel boxes that had high lock costs. And the only UP EM64T's I've seen have HT. Though, that could be disabled, but I expect that the folks disabling it are in a minority. > Not sure on the scheduler. It'll degenerate to a single runqueue on UP, so there shouldn't be any of the complicated balancing going on. Bloat-wise, it's a tiny amount of change. Dave -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx http://www.redhat.com/mailman/listinfo/fedora-devel-list
