Re: [discussion]sched: a rough proposal to enable power saving inscheduler

From: Matthew Garrett
Date: Thu Aug 16 2012 - 01:32:23 EST


On Thu, Aug 16, 2012 at 01:03:32PM +0800, Alex Shi wrote:
> On 08/16/2012 12:19 AM, Matthew Garrett wrote:
> > Are there workloads in which "power" might provide more performance than
> > "performance"? If so, don't use these terms.
>
> Power scheme should no chance has better performance in design.

Power will tend to concentrate processes on packages, while performance
will tend to split them across packages? What if two cooperating
processes gain from being on the same package and sharing cache
locality?

--
Matthew Garrett | mjg59@xxxxxxxxxxxxx
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