09-29-06, 01:27 PM
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#1 | |
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Registered User
Join Date: Sep 2006
Posts: 27
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9625 Blitter Slow ?
Hi,
I am wondering where is the problem: a) when playing the video under mplayer with Beryl & Nvidia drivers 9625 the video is choppy b) glxgears drops from 12000 to 3400 - but when I will double click the window bar - so the window become shadeless - and thus it's drawing only on offscreen pix buffer the result is back to 12000 !!! this - and especially the b) leads to conclusion that the slowest part is compositing one. But where is the fault - inside Beryl or Nvidia drivers ? Any ideas ? |
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09-29-06, 01:45 PM
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#2 | |
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NVIDIA Corporation
Join Date: Dec 2004
Posts: 8,763
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Re: 9625 Blitter Slow ?
a is a compositing bug. See:
http://www.nvnews.net/vbulletin/showthread.php?t=77309 b is expected behavior. |
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09-29-06, 01:53 PM
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#3 |
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Registered User
Join Date: Sep 2006
Posts: 27
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Re: 9625 Blitter Slow ?
Thanks for answer,
but why b) is default behaviour - should compositing take so much time ? |
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09-29-06, 01:55 PM
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#4 | |
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NVIDIA Corporation
Join Date: Dec 2004
Posts: 8,763
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Re: 9625 Blitter Slow ?
Yes, compositing takes more time, as everything is rendered off screen and then composited onto your desktop. Also, glxgears is not a useful benchmark.
-Lonni |
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09-29-06, 02:03 PM
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#5 |
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Registered User
Join Date: Sep 2006
Posts: 27
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Re: 9625 Blitter Slow ?
Understood. Thanks a lot for answers.
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