Illume / ASU on GTA01 - Video

Rahul Joshi rjoshi31 at gmail.com
Sat Jun 7 08:35:57 CEST 2008


>if you want the :beaten to death" threads - search the archives for
anything i
>have mailed - u'll see ones about video playback performance and others

Aha... and I was wondering.
Kindly excuse :)

>i go into lots of details.

Thats what everyone wants. Props!

Rahul J


On Sat, Jun 7, 2008 at 8:38 AM, The Rasterman Carsten Haitzler <
raster at openmoko.org> wrote:

> On Sat, 7 Jun 2008 03:36:10 +0530 "Rahul Joshi" <rjoshi31 at gmail.com>
> babbled:
>
> > The question may have been beaten to death but the answers surely haven't
> > been satisfactory. (except for this and Rasterman's.)
> > The only conclusion one can derives from all previous posts is:-
> > 1. Everybody needs a VGA
> > 2. VGA wont perform as smooth as it should on this CPU
> > 3. We should have faster CPU (which in turn still would not matter since
> the
> > bus speed is limited)
> >
> > I have my doubts cleared now. Thanks.
>
> if you want the :beaten to death" threads - search the archives for
> anything i
> have mailed - u'll see ones about video playback performance and others - i
> go
> into lots of details. that is what mickey is talking about. not the
> immediate
> last few mails this week... :)
>
> > Next.
> >
> > Rahul J
> >
> > On Fri, Jun 6, 2008 at 11:26 PM, Michael 'Mickey' Lauer <
> mickey at openmoko.org>
> > wrote:
> >
> > > On Friday 06 June 2008 18:21:07 Rahul Joshi wrote:
> > > > I cannot really argue now that you say you have both and see it
> upfront
> > > :(
> > > > It would be really nice if you can briefly educate as to why this is
> > > > happening. The question is: What is making it 'not possible' to use
> the
> > > > extra CPU speed in 02. Is it a bus limitation? Is it a software
> > > bottleneck?
> > >
> > > Please... this topic has been beaten to death on the lists during the
> last
> > > couple of weeks.
> > >
> > > Briefly: If it's just about putting pixels on the screen, then what we
> win
> > > with the faster rendering speed is lost due to the smaller bus bandwith
> to
> > > the GPU. Plus, SD transfers go the same path, hence sharing bandwith
> with
> > > transferring pixel commands to the GPU.
> > >
> > > Number crunching though is almost twice as fast on the 02.
> > >
> > > Can we talk about something else now?
> > >
> > > :M:
> > >
> > > _______________________________________________
> > > Openmoko community mailing list
> > > community at lists.openmoko.org
> > > http://lists.openmoko.org/mailman/listinfo/community
> > >
> >
>
>
> --
> Carsten Haitzler (The Rasterman) <raster at openmoko.org>
>
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