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Old 01-04-06, 10:41 PM   #2
Bratag
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Join Date: Sep 2005
Posts: 62
Default Re: horrible 2D performance

Quote:
Originally Posted by ppd
Hello,

I run a ubuntu breezy box with a 2.6.14 kernel patched with the archk7 patches.
I have compiled the latest NVIDIA driver and this one gives me a horrible 2d performance. (both with renderaccel enabled and disabled)
Everything feels very unsnappy. So I ran gtkperf to see if this issue was real, and this is what I got:

nv X.org driver:

GtkPerf 0.40 - Starting testing: Wed Jan 4 23:56:11 2006

GtkEntry - time: 0,12
GtkComboBox - time: 2,56
GtkComboBoxEntry - time: 2,34
GtkSpinButton - time: 0,33
GtkProgressBar - time: 0,17
GtkToggleButton - time: 0,97
GtkCheckButton - time: 0,89
GtkRadioButton - time: 0,99
GtkTextView - Add text - time: 2,13
GtkTextView - Scroll - time: 1,13
GtkDrawingArea - Lines - time: 0,28
GtkDrawingArea - Circles - time: 0,69
GtkDrawingArea - Text - time: 4,67
GtkDrawingArea - Pixbufs - time: 1,00
---
Total time: 18,28

latest nvidia driver:

GtkPerf 0.40 - Starting testing: Wed Jan 4 23:54:03 2006

GtkEntry - time: 0,16
GtkComboBox - time: 3,03
GtkComboBoxEntry - time: 3,10
GtkSpinButton - time: 0,40
GtkProgressBar - time: 0,26
GtkToggleButton - time: 1,09
GtkCheckButton - time: 0,94
GtkRadioButton - time: 1,07
GtkTextView - Add text - time: 2,05
GtkTextView - Scroll - time: 1,22
GtkDrawingArea - Lines - time: 0,30
GtkDrawingArea - Circles - time: 0,61
GtkDrawingArea - Text - time: 1,37
GtkDrawingArea - Pixbufs - time: 0,49
---
Total time: 16,11

Alltogether, the nv driver renders everything faster exept Text and Pixbufs.
Can that be?

Im looking forward to reading some suggestions...

Greetings, Max
Look everyone knows 2d perf sucks. Nvidia have acknowledged its on the list of things to be improved. Really the best option here is XGL which is a 3d based Xorg. The 2d stuff can be done with 3d faster and with more cool eye candy.
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