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[Bug 447029] Re: [Karmic Beta][UXA] XRender performance worse than CPU-only

 

I have now turned Compiz on.  I tried to run the QGears2 benchmarks in
batch mode, but it always crashes on the third run of the text
benchmark.  It completes fine when run on its own (not in batch mode).

The attached file has the output.

The benchmarks are 
=========================================
Gears:
=========================================
CPU
#########################################
QGears2:
Rendering: CPU-based Raster - Test: Gears

33.846325 Frames Per Second
33.617825 Frames Per Second
33.8697 Frames Per Second

Average: 33.77 Frames Per Second
#########################################

XRender
##########################################
QGears2:
Rendering: XRender Extension - Test: Gears

24.831675 Frames Per Second
24.889825 Frames Per Second
25.1625 Frames Per Second

Average: 24.96 Frames Per Second
##########################################

OpenGL
####################################
QGears2:
Rendering: OpenGL - Test: Gears

26.2521 Frames Per Second
26.02245 Frames Per Second
25.981925 Frames Per Second

Average: 26.08 Frames Per Second
####################################


=========================================
Text:
=========================================
CPU
########################################
QGears2:
Rendering: CPU-based Raster - Test: Text

37.5654 Frames Per Second
37.66515 Frames Per Second
37.445175 Frames Per Second

Average: 37.55 Frames Per Second
########################################

XRender
#########################################
QGears2:
Rendering: XRender Extension - Test: Text

56.8162 Frames Per Second
56.258125 Frames Per Second
56.729625 Frames Per Second

Average: 56.60 Frames Per Second
#########################################

OpenGL
####################################
QGears2:
Rendering: OpenGL - Test: Text

32.4407 Frames Per Second
32.606225 Frames Per Second
32.242675 Frames Per Second

Average: 32.42 Frames Per Second
####################################


=========================================
Image scaling:
=========================================
CPU
#################################################
QGears2:
Rendering: CPU-based Raster - Test: Image Scaling

24.362575 Frames Per Second
24.252 Frames Per Second
24.1991 Frames Per Second

Average: 24.27 Frames Per Second
#################################################

XRender
##################################################
QGears2:
Rendering: XRender Extension - Test: Image Scaling

24.074975 Frames Per Second
24.046875 Frames Per Second
24.0077 Frames Per Second

Average: 24.04 Frames Per Second
##################################################

OpenGL

#######################################
QGears2:
Rendering: OpenGL - Test: Image Scaling

124.245175 Frames Per Second
124.723025 Frames Per Second
125.294475 Frames Per Second

Average: 124.75 Frames Per Second
#######################################

** Attachment added: "UXA_Compiz.txt"
   http://launchpadlibrarian.net/33383447/UXA_Compiz.txt

-- 
[Karmic Beta][UXA] XRender performance worse than CPU-only
https://bugs.launchpad.net/bugs/447029
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References