On Thu, 30 Apr 2015 21:15:48 -0700 Marc MERLIN <[email protected]> said:

> On Fri, May 01, 2015 at 12:00:43PM +0900, Carsten Haitzler wrote:
> > > One other things I was thinking about. I have 3 virtual screens. With the
> > > snapshotting pager, it has to render my 2 other screens to put them in the
> > > pager. Without it, it doesn't have to render the 2 non visible screens,
> > > correct?
> > > If so, that would explain the big savings I'm seeing.
> > 
> > yes - it has to render every little pager box you see. but again - the gpu
> > should be doing all of this. the cpu - sure... has to generate vertexes, but
> > it'd be not dissimilar between the plain pager and live preview one.
>  
> Well, the difference is super noticeable.
> If I don't touch myboard or mouse e19 uses less than 1% CPU now, with
> the snapshotting pager, it was 10% or more.
> 
> So I have to go with the numbers :)
> 
> You should get a laptop with an intel GPU to see how that works :)

i have several. :)

> Either way, while I don't understand why, going to software rendering is
> less CPU intensive than OpenGL rendering. Not sure why, but I'll take it.
> 
> Thanks for your answers,
> Marc
> -- 
> "A mouse is a device used to point at the xterm you want to type in" - A.S.R.
> Microsoft is to operating systems ....
>                                       .... what McDonalds is to gourmet
> cooking Home page: http://marc.merlins.org/                         | PGP
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-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    [email protected]


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