Re: [RFC][PATCH] x86, sched: allow topolgies where NUMA nodes share an LLC

From: Borislav Petkov
Date: Thu Nov 09 2017 - 09:07:28 EST


On Wed, Nov 08, 2017 at 04:00:38PM -0800, Dave Hansen wrote:
> I'd argue that those two end up looking pretty much the same to an app.
> The only difference is that the slice-local and slice-remote cache hits
> have slightly different access latencies. I don't think it's enough to
> notice.

So if it is not enough to notice, why do we even bother? I.e., is
there any workload showing any advantages at all from the resources
partitioning?

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.