lkml.org 
[lkml]   [2010]   [Nov]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v7 3/3] nl80211/mac80211: Report signal average
From
Date
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



\
 
 \ /
  Last update: 2010-11-17 17:17    [W:0.067 / U:0.288 seconds]
©2003-2014 Jasper Spaans. Advertise on this site