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smashy
n00b
n00b


Joined: 15 Dec 2007
Posts: 18

PostPosted: Fri Dec 11, 2009 12:57 pm    Post subject: SLI/MultiGPU drop FPS Reply with quote

Hi , i post under "Unsupported Sotfware" cose my desktop run under funtoo .....(not sure it s the good place)

i get a 9800GX2 , i run first time with monogpu ( nvidia-settings say screen 0 gpu--> 9800GX2 GPU0 )
2 time i see the nvidia 's doc ( chapter 25 ) and make new xorg.conf with nvidia-xconfig --multigpu=on but after restart X i have realy poor fps ... I keep see the doc and fine more info with nvidia-xconfig --advanced-help , i fine some "tricks"
Enable or disable SLI. Valid values for SLI are 'Off', 'On', 'Auto', 'AFR', 'SFR', 'AA', 'AFRofAA'

After thas i go make some bench ( with phoronix-test-suite 2.4.0.a1 etqw-demo and unigine tropics)
All bench run without 3D desktop effet

====================================
ET: Quake Wars Demo
Resolution: 1280 x 1024
====================================

test1: 64.71 sli off
test2: 21.76 sli SFR
test3: 43.36 sli AA
test4: 23.33 sli Auto

====================================
Unigine Tropics 1.2
Resolution: 1280 x 1024
====================================

test1: 47.5 sli OFF
test2: 14.7 sli auto
test3 32.3 sli sfr

====================================
Lightsmark 2008
Resolution: 1920 x 1080
====================================

test1: 370.22 sli off
test2: 96.56 sli SFR
test3: 54.17 sli AA
test4: 209.99 sli auto


some infos

Processor: Intel Core 2 CPU 6420 @ 2.82GHz (Total Cores: 2), Motherboard: ASUSTeK P5K, System Memory: 2008MB, Disk: 74GB WDC WD740ADFD-00 + 500GB MAXTOR STM350032 + 82GB Excelstor Techno, Graphics: GeForce 9800 GX2 512MB (600/1000MHz

OS: Funtoo Linux - baselayout 2.1.6, Kernel: 2.6.32-gentoo (x86_64), Desktop: KDE, Display Server: X.Org Server 1.7.3, OpenGL: 3.2.0 NVIDIA 190.42, Compiler: GCC 4.3.3, File-System: reiserfs, Screen Resolution: 1920x1080

My xorg.conf !!!
Code:
Section "Module"
        Load    "glx"
EndSection           

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0" 0 0
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"   
EndSection                                   

Section "Files"
EndSection     

Section "InputDevice"

    # generated from data in "/etc/conf.d/gpm"
    Identifier     "Mouse0"                   
    Driver         "mouse"                   
    Option         "Protocol"                 
    Option         "Device" "/dev/input/mice"
    Option         "Emulate3Buttons" "no"     
    Option         "ZAxisMapping" "4 5"       
EndSection                                   
                                                                                                                                                                           
Section "InputDevice"                                                                                                                                                       
    Identifier     "Keyboard0"                                                                                                                                             
    Driver         "keyboard"                                                                                                                                               
    Option         "CoreKeyboard"                                                                                                                                           
    Option         "XkbRules" "xorg"                                                                                                                                       
    Option         "XkbModel" "mac"                                                                                                                                         
    Option         "XkbLayout" "fr"                                                                                                                                         
EndSection                                                                                                                                                                 
                                                                                                                                                                           
Section "Monitor"                                                                                                                                                           
    Identifier     "Monitor0"                                                                                                                                               
    VendorName     "Unknown"                                                                                                                                               
    ModelName      "ACI VH226"                                                                                                                                             
    HorizSync       31.0 - 83.0                                                                                                                                             
    VertRefresh     50.0 - 76.0                                                                                                                                             
    Option         "DPMS"                                                                                                                                                   
EndSection                                                                                                                                                                 

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Unknown"
    ModelName      "GBM F173"
    HorizSync       30.0 - 81.0
    VertRefresh     50.0 - 76.0
EndSection                     

Section "Device"

    Identifier     "Device1"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce 9800 GX2" 
    Option         "Coolbits" "1"     
    BusID          "PCI:3:0:0"
EndSection

Section "Device"
     Identifier    "Device0"
     Driver        "nvidia"
     VendorName    "NVIDIA Corporation"
     BoardName     "GeForce 9800 GX2"
     BusID         "PCI:4:0:0"
EndSection

Section "Screen"

  #  Option         "AddARGBGLXVisuals" "True"
    Identifier     "Screen0"
    Device         "Device0"
#    Device         "Device1"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "metamodes" "nvidia-auto-select +0+0"
    Option         "Coolbits" "1"
    Option         "MultiGPU" "Auto"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection


emerge-info
Code:
Portage 2.2_rc56 (default/linux/amd64/10.0, gcc-4.3.3, glibc-2.9_p20081201-r2, 2.6.32-gentoo x86_64)
=================================================================
System uname: Linux-2.6.32-gentoo-x86_64-Intel-R-_Core-TM-2_CPU_6420_@_2.13GHz-with-gentoo-2.1.6
Timestamp of tree: Tue, 08 Dec 2009 06:30:01 +0000
app-shells/bash:     4.0_p35
dev-java/java-config: 2.1.10
dev-lang/python:     2.6.4
dev-util/cmake:      2.8.0
sys-apps/baselayout: 2.1.6
sys-apps/openrc:     0.5.0-r2
sys-apps/sandbox:    2.2
sys-devel/autoconf:  2.64
sys-devel/automake:  1.9.6-r2, 1.10.2, 1.11
sys-devel/binutils:  2.19.1-r1
sys-devel/gcc-config: 1.4.1
sys-devel/libtool:   2.2.6b
virtual/os-headers:  2.6.29
ACCEPT_KEYWORDS="amd64 ~amd64"
ACCEPT_LICENSE="* -@EULA PUEL dlj-1.1 ETQW"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=core2 -O2 -pipe"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/share/X11/xkb /usr/share/config"
CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/env.d/java/ /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5/ext-active/ /etc/php/cgi-php5/ext-active/ /etc/php/cli-php5/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo /etc/udev/rules.d"
CXXFLAGS="-O2 -pipe"
DISTDIR="/usr/portage/distfiles"
FEATURES="assume-digests distlocks fixpackages news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unmerge-logs unmerge-orphans userfetch"
GENTOO_MIRRORS="http://distfiles.gentoo.org http://distro.ibiblio.org/pub/linux/distributions/gentoo"
LANG="fr_FR.UTF-8"
LDFLAGS="-Wl,-O1 -Wl,--sort-common -Wl,--as-needed"
LINGUAS="fr"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_CONFIGROOT="/"
PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --compress --force --whole-file --delete --stats --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
PORTDIR_OVERLAY="/usr/local/portage/layman/gechi /usr/local/portage"
SYNC="rsync://rsync.gentoo.org/gentoo-portage"
USE="X a52 aac acl alac alsa amd64 apache2 berkdb bzip2 cdr cjk cli cracklib crypt cups cxx dbus dri dvd dvdr dvdread encode ffmpeg flac fortran gdbm gif gpm gstreamer iconv ieee1394 ipv6 joystik jpeg kde lame mad mmx modules mp3 mpeg mudflap multilib mysql ncurses newspr nls nptl nptlonly nsplugin ogg opengl openmp oss pam pcre pdf perl php png posix ppds pppd python qt3 qt3support qt4 quicktime readline reflection sdl session spl sse sse2 ssl sysfs tcpd threads tiff truetype unicode v4l v4l2 vorbis wavpack x264 xinerama xml xorg zlib" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" ALSA_PCM_PLUGINS="adpcm alaw asym copy dmix dshare dsnoop empty extplug file hooks iec958 ioplug ladspa lfloat linear meter mmap_emul mulaw multi null plug rate route share shm softvol" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cache dav dav_fs dav_lock deflate dir disk_cache env expires ext_filter file_cache filter headers include info log_config logio mem_cache mime mime_magic negotiation rewrite setenvif speling status unique_id userdir usertrack vhost_alias" ELIBC="glibc" INPUT_DEVICES="keyboard mouse" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LINGUAS="fr" RUBY_TARGETS="ruby18" USERLAND="GNU" VIDEO_CARDS="nvidia"
Unset:  CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, FFLAGS, INSTALL_MASK, LC_ALL, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, PORTAGE_RSYNC_EXTRA_OPTS


some logs
Code:
Pandore smashy # grep EE /var/log/Xorg.0.log
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(II) Loading extension MIT-SCREEN-SAVER
(EE) Failed to load module "dri" (module does not exist, 0)
(EE) Failed to load module "dri2" (module does not exist, 0)

Pandore smashy # grep WW /var/log/Xorg.0.log
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(WW) The directory "/usr/share/fonts/TTF/" does not exist.
(WW) The directory "/usr/share/fonts/OTF" does not exist.
(WW) The directory "/usr/share/fonts/Type1/" does not exist.
(WW) The directory "/usr/share/fonts/100dpi/" does not exist.
(WW) The directory "/usr/share/fonts/75dpi/" does not exist.
(WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
(WW) Warning, couldn't open module dri
(WW) Warning, couldn't open module dri2
(WW) Option "Protocol" requires an string value


Pandore smashy # grep MultiGPU /var/log/Xorg.0.log
(**) NVIDIA(0): Option "MultiGPU" "On"

Pandore smashy # grep Multi-GPU /var/log/Xorg.0.log
(II) Dec 10 01:40:03 NVIDIA(0): NVIDIA Multi-GPU enabled.


What wrong whit multigpu nvidia and linux :roll:
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