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    SubjectRe: [PATCH v7 3/3] nl80211/mac80211: Report signal average
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    On Wed, 2010-11-17 at 17:28 +0900, Bruno Randolf wrote:

    > > Or am I missing something here and we have a compiler that is actually
    > > able to take care of this kind of optimizations by itself in the current
    > > ewma library design? Or is the unsigned long division with the expected
    > > weight values going to be fast enough to not justify caring about it
    > > even on any of the embedded boards anyway?
    >
    > I understand that this could be more efficient, but if it matters or not -
    > honestly, I don't know. Can a more knowledgeable person than me comment on
    > this?

    Yes, it does matter -- think of an embedded MIPS board running at 500MHz
    and trying to push 11n speeds.

    johannes



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