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Old 04-06-09, 06:09 PM   #1
shaundennie
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Default 185.19 and smaller pixmaps

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The X driver now allows pixmaps smaller than 32x32 pixels to be placed in video memory.
I noticed this from the release notes of the driver and I remember long ago AaronP saying that a lot of the poor performance in Firefox was related to it constantly creating tons of pixmaps. The InitialPixmapPlacement and GlyphCache help with newer versions of the driver (as does the firefox beta) but, is this change also aimed at Firefox performance?
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Old 04-06-09, 06:21 PM   #2
AaronP
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Default Re: 185.19 and smaller pixmaps

Not Firefox in particular, just performance in general. Any application that uses small pixmaps should see an improvement.
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Old 04-06-09, 06:32 PM   #3
Vadim P.
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Default Re: 185.19 and smaller pixmaps

Would this mean that they dont need recomplication? Just install the driver and it works?
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Old 04-06-09, 06:40 PM   #4
AaronP
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Default Re: 185.19 and smaller pixmaps

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Originally Posted by Vadim P. View Post
Would this mean that they dont need recomplication? Just install the driver and it works?
That's right.
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Old 04-06-09, 09:25 PM   #5
sternklang
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Default Re: 185.19 and smaller pixmaps

I see a dramatic increase in Firefox scrolling performance with this beta. Excellent work, guys!
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Old 04-06-09, 11:34 PM   #6
mooninite
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Default Re: 185.19 and smaller pixmaps

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Originally Posted by sternklang View Post
I see a dramatic increase in Firefox scrolling performance with this beta. Excellent work, guys!
Dramatic is correct. Scrolling no longer causes Performance Level increases. I have smooth scrolling on a 9650M GT at 150mhz. Before it would have to bump up to 550Mhz (100%) and raise temps by 10c.
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Old 04-07-09, 11:25 PM   #7
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Default Re: 185.19 and smaller pixmaps

is it supposed to be working on the 6xxx-7xxx series as well?
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Old 04-08-09, 12:08 AM   #8
AaronP
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Default Re: 185.19 and smaller pixmaps

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Originally Posted by kmare View Post
is it supposed to be working on the 6xxx-7xxx series as well?
They could already place small pixmaps in vidmem, but the initial pixmap placement defaults to sysmem for those GPUs. This is an improvement for GeForce 8 and up.
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