** Description changed:
Binary package hint: xorg
The bug is KMS modeset=1 measured 22% slower than vesa with video
intensive GtkPerf is from Ubuntu synaptic, and 12% slower than
modeset=0. At least for this benchmark ubuntu is faster with vesa than
with the specific ati drivers.
Does anyone know how to get launchpad to handle columnar data?
There are 5 columns of data here.
Measurements are from IBM Thinkpad T40 with ATI Radeon Mobility 7500.
Col 1 is measurements with xorg driver vesa.
Col 2 is nomodeset no KMS xorg ati driver 6.12.99+git.....
Col 3 is modeset=1 KMS xorg ati driver 6.12.99+git.....
jaunty.Mobility7500
karmic.mode0.Mobility7500.6.12.99+git20090629.f39cafc5-0ubuntu1
karmic.mode1.Mobility7500.6.12.99+git20090629.f39cafc-0ubuntu1
GtkPerf from Ubuntu Synaptic
Thinkpad T40 Mobility 7500 vesa karmicmode0 karmicmode1
Mode0:vesa Mode1:vesa
GtkEntrytime:_____________ 0.08 0.06 0.05 -25% -38%
GtkComboBoxtime:________ 2.15 2.41 3.08 12% 43%
GtkComboBoxEntrytime:____ 1.39 1.78 1.75 28% 26%
GtkSpinButtontime:________ 0.35 0.37 0.96 6% 174%
GtkProgressBartime:_______ 0.34 0.34 0.74 0% 118%
GtkToggleButtontime:______ 0.45 0.46 0.72 2% 60%
GtkCheckButtontime:_______ 0.27 0.29 0.29 7% 7%
GtkRadioButtontime:_______ 0.43 0.48 0.4 12% -7%
GtkTextViewAddtexttime:___ 1.62 1.94 1.36 20% -16%
GtkTextViewScrolltime:_____ 0.55 0.65 0.47 18% -15%
GtkDrawingAreaLinestime:__ 1.47 1.71 1.87 16% 27%
GtkDrawingAreaCirclestime: 2.12 2.18 1.86 3% -12%
GtkDrawingAreaTexttime:___ 1.51 1.52 1.51 1% 0%
GtkDrawingAreaPixbufstime: 0.16 0.26 0.69 63% 331%
Total time:________________ 12.90 14.46 15.76 12% 22%
Will attach lspi, Xorg.0.log, ... tomorrow. It's late now.
+
+ [lspci]
+ 00:00.0 Host bridge [0600]: Intel Corporation 82855PM Processor to I/O
Controller [8086:3340] (rev 03)
+ Subsystem: IBM Device [1014:0529]
+ 01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Radeon
Mobility M7 LW [Radeon Mobility 7500] [1002:4c57]
+ Subsystem: IBM Device [1014:0530]
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ATI Radeon Mobility KMS modeset=1 22% slower than vesa
https://bugs.launchpad.net/bugs/399559
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