On Fri, 20 Apr 2007, Siddha, Suresh B wrote:
> > Last I checked it was workload-dependent, but there were things that
> > hammer it. I mostly know of the remote wakeup issue, but there could
> > be other things besides wakeups that do it, too.
>
> remote wakeup was the main issue and the 0.5% improvement was seen
> on a two node platform. Aligning it reduces the number of remote
> cachelines that needs to be touched as part of this wakeup.
.5% is usually in the noise ratio. Are you consistently seeing an
improvement or is that sporadic?
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