Messages in this thread | | | Date | Wed, 13 Nov 2013 00:19:29 +0530 | From | "Srivatsa S. Bhat" <> | Subject | Re: [Results] [RFC PATCH v4 00/40] mm: Memory Power Management |
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On 11/12/2013 01:32 PM, Srivatsa S. Bhat wrote: > On 09/26/2013 06:28 PM, Srivatsa S. Bhat wrote: >> On 09/26/2013 05:10 AM, Andrew Morton wrote: >>> On Thu, 26 Sep 2013 04:56:32 +0530 "Srivatsa S. Bhat" <srivatsa.bhat@linux.vnet.ibm.com> wrote: >>> >>>> Experimental Results: >>>> ==================== >>>> >>>> Test setup: >>>> ---------- >>>> >>>> x86 Sandybridge dual-socket quad core HT-enabled machine, with 128GB RAM. >>>> Memory Region size = 512MB. >>> >>> Yes, but how much power was saved ;) >>> >> >> I don't have those numbers yet, but I'll be able to get them going forward. >> > > Hi, > > I performed experiments on an IBM POWER 7 machine and got actual power-savings > numbers (upto 2.6% of total system power) from this patchset. I presented them > at the Kernel Summit but forgot to post them on LKML. So here they are: >
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And here is a recent LWN article that highlights the important design changes in this version and gives a good overview of this patchset as a whole:
http://lwn.net/Articles/568891/
And here is the link to the patchset (v4): http://lwn.net/Articles/568369/
Regards, Srivatsa S. Bhat
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