Public bug reported:
I am using python-opencl for gpu-calculations. (Hash calculating for
bitcoin). Perfomance in natty lower than in maverick on my GeForce GTS
450 by 20%.
ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: nvidia-current 270.41.06-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Это каталог:
'/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86 Kernel Module 270.41.06 Mon Apr 18 14:54:25
PDT 2011
GCC version: gcc version 4.5.2 (Ubuntu/Linaro 4.5.2-8ubuntu4)
Architecture: i386
CompizPlugins:
[core,bailer,detection,composite,opengl,compiztoolbox,decor,vpswitch,imgpng,unitymtgrabhandles,place,regex,move,grid,session,mousepoll,snap,resize,gnomecompat,animation,expo,wall,ezoom,workarounds,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
Date: Sun May 1 07:05:57 2011
DistUpgraded: Log time: 2011-04-29 23:32:33.543949
DistroCodename: natty
DistroVariant: ubuntu
DkmsStatus:
vboxhost, 4.0.6, 2.6.35-28-generic-pae, i686: installed
vboxhost, 4.0.6, 2.6.38-8-generic-pae, i686: installed
nvidia-current, 270.41.06, 2.6.38-8-generic-pae, i686: installed
GraphicsCard:
nVidia Corporation GF106 [GeForce 450 GTS] [10de:0dc4] (rev a1) (prog-if 00
[VGA controller])
Subsystem: ASUSTeK Computer Inc. Device [1043:8375]
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
JockeyStatus: xorg:nvidia_current - Драйвер ускоренной графики NVIDIA
(Проприетарные, Активирован, Не используется)
Lsusb:
Bus 002 Device 003: ID 046d:c51b Logitech, Inc. V220 Cordless Optical Mouse
for Notebooks
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System manufacturer System Product Name
ProcEnviron:
LANGUAGE=ru_UA:en
LANG=ru_UA.utf8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-8-generic-pae
root=UUID=1c88d282-bbf0-4b22-8679-0294ac4cfbe3 ro quiet splash nomodeset
video=uvesafb:mode_option=640x480-24,mtrr=3,scroll=ywrap vt.handoff=7
Renderer: Unknown
SourcePackage: nvidia-graphics-drivers
UpgradeStatus: Upgraded to natty on 2011-04-30 (0 days ago)
XorgConf:
Section "Device"
Identifier "Default Device"
Option "NoLogo" "True"
EndSection
dmi.bios.date: 08/18/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P7H55-M
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1101:bd08/18/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7H55-M:rvrRevX.0x:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.4+bzr20110415-0ubuntu2
version.libdrm2: libdrm2 2.4.23-1ubuntu6
version.libgl1-mesa-dri: libgl1-mesa-dri 7.10.2-0ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.2-0ubuntu2
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg: xserver-xorg 1:7.6+4ubuntu3
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu7
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:0.0.16+git20110107+b795ca6e-0ubuntu7
** Affects: nvidia-graphics-drivers (Ubuntu)
Importance: Undecided
Status: New
** Tags: apport-bug compiz-0.9 i386 natty needs-reassignment regression-update
running-unity ubuntu
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https://bugs.launchpad.net/bugs/774623
Title:
low perfomance in gpu-calculations
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