upgraded vid cards now worse performance...

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loss of performance after upgrading to better video cards

Postby lleb » Thu Nov 22, 2007 8:22

and updating nvidia drivers.

i just upgraded from a pair of 7600GS 256M video cards to a pair of beefy 8800GTX 768M video cards and my performance is WORSE then before.

i upgraded the nvidia drivers according to the wiki:

emerge nvidia-drivers
eselect opengl set nvidia
reboot computer

my desktop seems to be running a bit smoother and faster, but Cedega when playing WoW, my performance dropped by close to 40% what gives?
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upgraded vid cards now worse performance...

Postby lleb » Sat Nov 24, 2007 18:54

i just upgraded from a pair of 7600GS cards to 8800GTX cards. i upgraded my nvidia drivers

Code: Select all
emerge --sync
emerge nvidia-drivers
eselect opengl set nvidia

rebooted and the one and only game i play under linux (WoW via cedgea) went from 40s FPS to 20s FPS while having my xorg.conf include SLI info. I was informed that cedega does not access the SLI functionality of the nvidia cards, they blame nvidia, what ever... so i commented out the 2 lines and tried again. i dropped to teens and single digits.

so i am asking for what steps other then testing the cards one at a time, as i am doing that today, can i take to fix this issue.

also 1 8800GTX should be way more powerful then the 2x7600GS cards so what gives?
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Re: loss of performance after upgrading to better video cards

Postby lleb » Sat Nov 24, 2007 18:55

oh and how in sabayon do you restart X to get back to kde after doing a console login?
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Re: upgraded vid cards now worse performance...

Postby lleb » Sun Nov 25, 2007 0:42

i suppose i should provide more info:

Code: Select all
 cat /proc/driver/nvidia/cards/0
Model:           GeForce 8800 GTX
IRQ:             18
Video BIOS:      60.80.08.00.37
Card Type:       PCI-E
DMA Size:        40 bits
DMA Mask:        0xffffffffff
Bus Location:    02.00.0


FYI there is no card1 even though i do have 2 of the 8800GTX cards installed with the SLI bridge working under Windows so i know it is there:

Code: Select all
cat /etc/X11/xorg.conf
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 1.0  (buildmeister@builder3)  Wed Jun 13 18:39:30 PDT 2007

# **********************************************************************
# Module section -- this is an optional section which is used to specify
# which run-time loadable modules to load when the X server starts up.
# **********************************************************************
# **********************************************************************
# Server flags section.  This contains various server-wide Options.
# **********************************************************************
# **********************************************************************
# Input devices
# **********************************************************************
# **********************************************************************
# Core keyboard's InputDevice section
# **********************************************************************
# **********************************************************************
# Core Pointer's InputDevice section
# **********************************************************************
# **********************************************************************
# Monitor section
# **********************************************************************
# Any number of monitor sections may be present
# **********************************************************************
# Graphics device section
# **********************************************************************
# Any number of graphics device sections may be present
# **********************************************************************
# Screen sections.
# **********************************************************************

Section "ServerLayout"

# The Identifier line must be present
    #InputDevice "Synaptics1" "SendCoreEvents"
    #InputDevice "wacom1" "SendCoreEvents"
    #InputDevice "wacom2" "SendCoreEvents"
    #InputDevice "wacom3" "SendCoreEvents"
    Identifier     "Main Layout"
    Screen      0  "Screen 1" 0 0
    InputDevice    "Mouse1" "CorePointer"
    InputDevice    "Mouse2" "SendCoreEvents"
    InputDevice    "Keyboard1" "CoreKeyboard"
EndSection

Section "Files"

    #FontPath   "/usr/share/fonts/local/"
    FontPath        "/usr/share/fonts/misc/"
    FontPath        "/usr/share/fonts/Type1/"
    FontPath        "/usr/share/fonts/TTF/"
    FontPath        "/usr/share/fonts/75dpi/"
    FontPath        "/usr/share/fonts/100dpi/"
    FontPath        "/usr/share/fonts/corefonts"
EndSection

Section "Module"
    Load           "dbe"
    Load           "i2c"
    Load           "glx"
    Load           "ddc"
    Load           "type1"
    Load           "freetype"
    Load           "extmod"
    Load           "synaptics"
    Load           "vbe"
#   Load        "dri"
EndSection

Section "ServerFlags"
    Option         "AllowMouseOpenFail" "true"
EndSection

Section "InputDevice"

    #Option             "MaxSpeed"              "0.7"
    #Option             "MinSpeed"              "0.18"
    #Option             "AccelFactor"           "0.08"
    #Option             "TopEdge"               "120"
    #Option             "LeftEdge"              "120"
    #Option             "BottomEdge"            "830"
    #Option             "RightEdge"             "650"
    #Option             "FingerLow"             "25"
    #Option             "FingerHigh"            "30"
    # Do you keep moving the mouse while typing? Try this trick.
    #synclient TouchpadOff=1 disable your synaptics touchpad
    #synclient TouchpadOff=0 enable your synaptics touchpad
    Identifier     "Synaptics1"
    Driver         "synaptics"
    Option         "SendCoreEvents" "true"
    Option         "Device" "/dev/psaux"
    Option         "Protocol" "auto-dev"
    Option         "HorizScrollDelta" "0"
    Option         "SHMConfig" "on"
    # For ALPS TouchPads
EndSection

Section "InputDevice"
    Identifier     "Keyboard1"
    Driver         "kbd"
    Option         "AutoRepeat" "500 5"
    Option         "XkbModel" "pc105"
    Option         "XkbLayout" "us"
    Option         "XkbRules" "xorg"
EndSection

Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
    Identifier     "wacom1"
    Driver         "wacom"
    Option         "Device" "/dev/wacom"          # Change to
    Option         "Type" "stylus"
    Option         "ForceDevice" "ISDV4"               # Tablet PC ONLY
EndSection

Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
    Identifier     "wacom2"
    Driver         "wacom"
    Option         "Device" "/dev/wacom"          # Change to
    Option         "Type" "eraser"
    Option         "ForceDevice" "ISDV4"               # Tablet PC ONLY
EndSection

Section "InputDevice"

                                                      # /dev/input/event
                                                      # for USB
    Identifier     "wacom3"
    Driver         "wacom"
    Option         "Device" "/dev/wacom"          # Change to
    Option         "Type" "cursor"
    Option         "ForceDevice" "ISDV4"               # Tablet PC ONLY
EndSection

Section "InputDevice"

# Identifier and driver
    Identifier     "Mouse1"
    Driver         "mouse"
    Option         "Device" "/dev/psaux"
    Option         "Protocol" "ImPS/2"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    Identifier     "Mouse2"
    Driver         "mouse"
    Option         "Protocol" "ImPS/2"
    Option         "Device" "/dev/input/mice"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "Monitor"

    #Option      "DPMS"
    Identifier     "Generic Monitor"
    HorizSync       31.5 - 80.0
    VertRefresh     56.0 - 75.0
EndSection

Section "Device"
 # do not remove vesa
    #Option "RenderAccel" "on"
    Identifier     "VESA"
    Driver         "nvidia"
EndSection

Section "Screen"

# The Identifier, Device and Monitor lines must be present
    Identifier     "Screen 1"
    Device         "VESA"
    Monitor        "Generic Monitor"
    DefaultDepth    24
    #Option         "AddARGBGLXVisuals" "true"
# The favoured Depth and/or Bpp may be specified here
    #Option         "XAANoOffscreenPixmaps"
    #Option "BusType" "PCI"
    #Option "ColorTiling" "on"
    #Option "EnablePageFlip" "on"
    Option         "MultiGPU" "on"
    Option         "SLI" "on"
    SubSection     "Display"
        Viewport    0 0
        Depth       8
        Modes      "1280x1024" "1024x768" "800x600"
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       16
        Modes      "1280x1024" "1024x768" "800x600"
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       24
        Modes      "1280x1024" "1024x768" "800x600"
    EndSubSection
EndSection

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


anything else to help you help me?
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Re: upgraded vid cards now worse performance...

Postby wolfden » Sun Nov 25, 2007 5:12

how about staying in one topic?

to restart X

/etc/init.d/xdm restart
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Re: upgraded vid cards now worse performance...

Postby lleb » Sun Nov 25, 2007 5:45

wolfden wrote:how about staying in one topic?

to restart X

/etc/init.d/xdm restart



oh duh, was trying kdm as i run kde....

main topic is the video performance issues and getting SLI working properly. a part of that issue means editing xorg.conf thus kililng X and then either rebooting, waist of time and not needed, or restarting X. as i could not get X to restart with kdm or kde i was using init 7, but that for what ever reason can take up to 2 min before i am at the GUI login screen.
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