[Accessibility] Re: [Accessibility-atspi] Codethink AT-SPI D-Bus investigation [FWD]

Rob Taylor rob.taylor at codethink.co.uk
Fri Nov 23 13:45:03 PST 2007

I was actually about to forward this myself, glad someone beat me to it.
Thanks Gregory!

If anyone has any questions or comments, I'm heading up this project
with Mark, so feel free to fire them my way.

Rob Taylor

Gregory J. Rosmaita wrote:
> From: Mark Doffman <mark.doffman at codethink.co.uk>
> To: gnome-accessibility-devel at gnome.org
> Date: Thu, 22 Nov 2007 16:58:51 +0000
> Subject: [g-a-devel] AT-SPI D-Bus investigation
> Hello,
> We at Codethink have been performing a feasibility study of a port of
> AT-SPI to D-Bus. As part of this I have set up a wiki page at gnome live
> to track progress and post any results. 
> http://live.gnome.org/GAP/AtSpiDbusInvestigation
> Although the investigation is not complete there are a number of results
> up on the Wiki, including some Orca profiling and initial figures for
> the comparative performance of D-Bus vs ORBit. 
> In brief, according to our results, D-Bus is between 2x faster to 5.5x
> slower than ORBit at making a method call. ORBit performance is poor
> when dealing with object reference arguments, but for other arguments
> performs better than D-Bus. 
> I intend to continue with some more performance testing, for the moment
> I would like to profile the use of the AT-SPI interface made by GOK.
> Does anyone know of some GOK tests that will give a good idea of the
> calls made during normal use?
> Thanks to the Mozilla foundation for funding this work, and to Willie
> Walker for mentoring the project. 
> Thanks
> Mark Doffman
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Rob Taylor, Codethink Ltd. -  http://codethink.co.uk

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