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Graphics/Discussion/Advanced Graphics/Slowness appears from 6.4 to 6.4.1/List of Posts
Forum Topic - Slowness appears from 6.4 to 6.4.1: (5 Items)
   
Update
Art Hays(deleted)
07/03/2009 3:09 PM
post33098
Slowness appears from 6.4 to 6.4.1   
When comparing 6.4.1 to 6.4 on exactly the same hardware I find graphics much slower.  For example switching pages in 
Helpviewer- under 6.4.1 I can see it happening from top to bottom, under 6.4 it is instantaneous.  Browser performance 
is likewise visibly slower (hovering over drop-down menus on QNX home page will even cause mouse pointer to briefly 
disappear).  This is using exactly the same hardware and swapping hard drives containing 6.4 and 6.4.1.  This is on 
standard x86 PC.

Brought over /lib/dll/devg-radeon.so from 6.4 to 6.4.1 and slowness remained, so I don't think it is due to the driver. 
 Did anything else change?
Misha Nefedov
07/03/2009 3:14 PM
post33101
Re: Slowness appears from 6.4 to 6.4.1   
sloginfo ?

Please make sure that you are actually running devg-radeon.so in both.

Do diff on /etc/system/config/display.conf
Art Hays(deleted)
07/03/2009 5:29 PM
post33128
Re: Slowness appears from 6.4 to 6.4.1   
"pidin -p io-graphics mem" shows devg-radeon.so for both 6.4 and 6.4.1.
Max Feil
07/03/2009 5:03 PM
post33126
RE: Slowness appears from 6.4 to 6.4.1   
Hi Art. Betweem 6.4.0 and 6.4.1 the browser engine used to run
Helpviewer changed from vserver.file (Voyager server) to mozserver
(Firefox 2.0 based server). This explains the slowdown in Helpviewer,
which was a known tradeoff for the more advanced features offered.

As far as the Bon Echo browser itself, nothing of significance changed.
The source base went from Firefox 2.0.0.14 to 2.0.0.20, and it was built
using 6.4.0 instead of 6.3.2, but nothing should have changed to slow it
down. In fact some blitting improvements were made that could not all
make it into 6.4.0.

Can you provide more details on the non-Helpviewer issues?

Thanks,
Max 

-----Original Message-----
From: Art Hays [mailto:community-noreply@qnx.com] 
Sent: Friday, July 03, 2009 3:09 PM
To: advanced-graphics
Subject: Slowness appears from 6.4 to 6.4.1

When comparing 6.4.1 to 6.4 on exactly the same hardware I find graphics
much slower.  For example switching pages in Helpviewer- under 6.4.1 I
can see it happening from top to bottom, under 6.4 it is instantaneous.
Browser performance is likewise visibly slower (hovering over drop-down
menus on QNX home page will even cause mouse pointer to briefly
disappear).  This is using exactly the same hardware and swapping hard
drives containing 6.4 and 6.4.1.  This is on standard x86 PC.

Brought over /lib/dll/devg-radeon.so from 6.4 to 6.4.1 and slowness
remained, so I don't think it is due to the driver.  Did anything else
change?

_______________________________________________
Advanced Graphics
http://community.qnx.com/sf/go/post33098
Art Hays(deleted)
07/03/2009 5:34 PM
post33129
Re: RE: Slowness appears from 6.4 to 6.4.1   
Perhaps what slows down Helpviewer also slows down the browser?  When I open the browser under 6.4 it first shows a 
white screen for an instant, then the QNX home page.  When I do this under 6.4.1 you can see the white screen painting 
from top to bottom- it takes a lot longer.

I did some more tests.  I timed cat'ing lots of files in a terminal window.  This is the same between 6.4 and 6.4.1.  I 
ran our application which is Photon based and opens lots of windows.  I didn't see any performance differences.

So this issue seems to be higher up in the application area and not in drivers (which is good for me :-)).

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