Messages in this thread | | | Date | Thu, 16 Aug 2012 13:39:36 +0800 | From | Alex Shi <> | Subject | Re: [discussion]sched: a rough proposal to enable power saving in scheduler |
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On 08/16/2012 01:31 PM, Matthew Garrett wrote:
> 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,
yes.
while performance > will tend to split them across packages?
No, there is still has balance idea in this rough proposal. If a domain is not overload, it is better to left old tasks unchanged. I should say, current scheduler is the 'performance' trend scheme.
What if two cooperating > processes gain from being on the same package and sharing cache > locality? >
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