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