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SubjectRe: [Results] [RFC PATCH v4 00/40] mm: Memory Power Management
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:
>

<snip>

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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