Re: [orca-list] systemrequirements for orca?

[Willie Walker <William Walker Sun COM>]

I should add that the performance work is being done in separate 
modules.  Right now, you need both the latest Orca from SVN trunk as 
well as AT-SPI.  See http://live.gnome.org/Orca/DownloadInstall for more 
information.

Will

Willie Walker wrote:
> Hi All:
>
> I'm out of the office this week, so my responsiveness will be way down. 
>   But, I'd like to address some of the questions Halim has posed.
>
> When I open /usr/bin in nautilus (1367 items on my machine), it takes 
> about 15 seconds for anything to appear in the window, regardless of 
> whether Orca is running or not.  So, part of the performance problem has 
> to do with nautilus itself.
>
> Having said that, there is currently sluggishness that happens in Orca 
> as the result of the bursty nature of AT-SPI events when new windows are 
> created or old windows are destroyed.  The thing we end up running into 
> in these situations is a whole lot of traffic for new children being 
> added or removed from the hierarchy.  We're looking into ways to prevent 
> this traffic from happening, and we're also analyzing performance 
> overall as a goal for GNOME 2.22.
>
> Hope this helps,
>
> Will
>
> Halim Sahin wrote:
> > Hello,
> > On Mo, Nov 19, 2007 at 11:03:17 +0100, Hermann wrote:
> > > Hi,
> > > I found that the behavior of Orca under Ubuntu seems sometimes 
> > > unpredictable:
> > Sometimes?
> > Let's compare orca to other screenreaders!
> > (not jaws).
> > Perhaps nvda??
> >
> > > Actually I use Gutsy on a 2,6 Ghz laptop with 512 MB RAM and about 900 
> > > MB swap, and I face no real sluggisness. Some processes start a bit 
> > > slower, but nothing worth to worry about.
> > I don't think so. Sure it works you can get many feedback from the
> > supported apps but serious (fast) work is not posible "in my opionion".
> >
> > > In last spring I used Feisty on my desktop 1 Ghz 256 MB RAM (shared) and 
> > > 2 GB of swap. The performance was a true catastrophy. Everything was 
> > > sluggish and the swap got filled up to nearly 1 GB.
> > > Since people who use a similar machine as my desktop, have reported no 
> > > major problems and people who use a much better machine than my laptop 
> > > complain sluggisness, I don't know what's going on with Orca and 
> > > Ubuntu/DEbian.
> > > In an Ubuntu forum I read about problems with NVIDIA graphic cards, and 
> > > maybe there are issues with other hardware components.
> > Luke wrote that gnome is only slow if you start orca so it must be a
> > problem with the accessibility stuff not of the graphic card.
> > Perhaps one of the main developers can tell us 
> > something about these problems?
> > Regards
> > Halim
> >
> >
> >
> > > Hermann
> > >
> > > --
> > > I use grml (http://grml.org/)
> > > _______________________________________________
> > > Orca-list mailing list
> > > Orca-list gnome org
> > > http://mail.gnome.org/mailman/listinfo/orca-list
> > > Visit http://live.gnome.org/Orca for more information on Orca
>
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