Messages in this thread | | | Date | Wed, 25 Sep 2013 16:40:57 -0700 | From | Andrew Morton <> | Subject | Re: [Results] [RFC PATCH v4 00/40] mm: Memory Power Management |
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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 ;)
Also, the changelogs don't appear to discuss one obvious downside: the latency incurred in bringing a bank out of one of the low-power states and back into full operation. Please do discuss and quantify that to the best of your knowledge.
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