** Changed in: unity
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/987304
Title:
[regression] [precise] 3D apps run much slower under Unity
Status in Unity:
Fix Released
Status in unity 5.0 series:
Fix Committed
Status in “unity” package in Ubuntu:
Fix Released
Status in “unity” source package in Precise:
Fix Released
Bug description:
This is a performance regression specific to the unityshell plugin.
While enabled, graphics are slightly choppy and do not perform as well
as Gnome Shell etc. Simply disabling the unityshell plugin seems to
solve the problem and graphics are smooth again.
ORIGINAL DESCRIPTION:
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System ->
About Ubuntu
Description: Ubuntu 12.04 LTS
Release: 12.04
2) The version of the package you are using, via 'apt-cache policy pkgname'
or by checking in Software Center
compiz:
Installiert: 1:0.9.7.6-0ubuntu1
Kandidat: 1:0.9.7.6-0ubuntu1
Versionstabelle:
*** 1:0.9.7.6-0ubuntu1 0
500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
100 /var/lib/dpkg/status
unity:
Installiert: 5.10.0-0ubuntu6
Kandidat: 5.10.0-0ubuntu6
Versionstabelle:
*** 5.10.0-0ubuntu6 0
500 http://archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
100 /var/lib/dpkg/status
3) What you expected to happen
3D-Apps should run much faster.
4) What happened instead
I upgraded my system from ubuntu 11.10 (was using PPA from Daniel van Vugt)
to 12.04
and then I noticed that 3D-Apps are running slow with unity.
I have noticed this with ioquake3, xbmc, blocks that matter, revenge of the
titans…
I compared the performance of ioquake as an example:
1260 frames 21.1 seconds 59.6 fps 8.0/16.8/34.0/3.0 ms compiz gnome classic
(2 gnome panels)
1260 frames 34.4 seconds 36.6 fps 6.0/27.3/52.0/7.8 ms unity
The target FPS should be 60 FPS (Monitor has 60Hz).
I also have attached some information about my system (gfx_info.log).
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: unity 5.10.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu5
Architecture: amd64
CheckboxSubmission: 13741649d6b2dd56d757d58c3d964436
CheckboxSystem: da9af3b901b5569a389df6337f3d812f
CompizPlugins:
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
Date: Mon Apr 23 15:44:26 2012
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110906)
SourcePackage: unity
UpgradeStatus: Upgraded to precise on 2012-04-19 (3 days ago)
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