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Old 11-16-07, 03:50 PM   #1
Sblantipodi
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Default xorg.conf needed option to maximize compiz performance.

Hi,
I'm using Fedora 8 on an Acer Aspire 5920G Gemstone using 8600M GT
with 100.14.19 driver.

here my xorg.xonf

Code:
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder26)  Wed Sep 12 14:29:17 PDT 2007

# Xorg configuration created by pyxf86config

Section "ServerLayout"
    Identifier     "Default Layout"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Synaptics" "CorePointer"
EndSection

Section "Files"
EndSection

Section "Module"
    Load           "glx"
    Load           "extmod"
    #SubSection "extmod" Option "omit xfree86-dga" EndSubSection
EndSection

Section "InputDevice"
    Identifier     "Keyboard0"
    Driver         "kbd"
    Option         "XkbModel" "pc105"
    Option         "XkbLayout" "it"
EndSection

Section "InputDevice"
    Identifier     "Synaptics"
    Driver         "synaptics"
    Option         "Device" "/dev/input/mice"
    Option         "Protocol" "auto-dev"
    Option         "Emulate3Buttons" "yes"
EndSection

Section "InputDevice"
    Identifier     "Synaptics"
    Driver         "synaptics"
    Option         "Device" "/dev/input/mice"
    Option         "Protocol" "auto-dev"
    Option         "Emulate3Buttons" "yes"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "LG Philips"
    ModelName      "LP154WX-TLB2"
    #HorizSync       30.0 - 110.0
    #VertRefresh     50.0 - 150.0
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Videocard0"
    Driver         "nvidia"
    Option         "XAANoOffscreenPixmaps" "1"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Videocard0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Viewport    0 0
        Depth       24
    Option "AddARGBGLXVisuals" "True"
    Option "DynamicTwinView" "False"
    EndSubSection
EndSection

Section "Extensions"
    Option "Composite" "Enable"
EndSection
Is there some option that I need to remove or add to maximize compiz performance?

Is this extra option useful?
Option "AddARGBVisuals" "True"
Option "RenderAccel" "1"
Option "AllowGLXWithComposite" "1"
Option "NoRenderExtension" "0"
Option "XAANoOffscreenPixmaps" "1"
Option "TripleBuffer" "true"

With my xorg.conf compiz works really fine but euphoria screesaver for example seems to slow down quite often.

Thanks!
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Old 11-17-07, 09:17 AM   #2
Sblantipodi
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Default Re: xorg.conf needed option to maximize compiz performance.

PS: I've just tested al 169.04 driver with the same xorg.conf posted before and it runs slow also with this beta driver.
Euphoria screensaver is slow.
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Old 11-18-07, 07:02 AM   #3
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Default Re: xorg.conf needed option to maximize compiz performance.

Quote:
Originally Posted by Sblantipodi
PS: I've just tested al 169.04 driver with the same xorg.conf posted before and it runs slow also with this beta driver.
Euphoria screensaver is slow.
I have ubuntu 7.10 and this is my Device Section

Code:
Section "Device"
	Identifier	"nVidia Corporation G80 [GeForce 8600 GT]"
	Driver		"nvidia"
	Busid		"PCI:1:0:0"
	Option		"AddARGBVisuals"	"True"
	Option		"AddARGBGLXVisuals"	"True"
EndSection
I don't have this settings in my xorg.conf

Option "XAANoOffscreenPixmaps" "1"

Section "Extensions"
Option "Composite" "Enable"
EndSection

Maybe you should ask in a Fedora Forum for help.
It seems for me that this is a distribution specific problem.

What also would be interesting is, with what options fedora starts compiz.

I hope this helps.

Mr.A
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Old 11-18-07, 07:26 AM   #4
Sblantipodi
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Default Re: xorg.conf needed option to maximize compiz performance.

Quote:
Originally Posted by Mr.A
I have ubuntu 7.10 and this is my Device Section

Code:
Section "Device"
	Identifier	"nVidia Corporation G80 [GeForce 8600 GT]"
	Driver		"nvidia"
	Busid		"PCI:1:0:0"
	Option		"AddARGBVisuals"	"True"
	Option		"AddARGBGLXVisuals"	"True"
EndSection
I don't have this settings in my xorg.conf

Option "XAANoOffscreenPixmaps" "1"

Section "Extensions"
Option "Composite" "Enable"
EndSection

Maybe you should ask in a Fedora Forum for help.
It seems for me that this is a distribution specific problem.

What also would be interesting is, with what options fedora starts compiz.

I hope this helps.

Mr.A

In that way is also slower
I can't understand where is the problem
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