* [Bug 28550] New: [UMS vs KMS]: Openarena performance drops by half with KMS enabled
@ 2010-06-15 12:39 bugzilla-daemon
2010-06-15 12:39 ` [Bug 28550] " bugzilla-daemon
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: bugzilla-daemon @ 2010-06-15 12:39 UTC (permalink / raw
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=28550
Summary: [UMS vs KMS]: Openarena performance drops by half with
KMS enabled
Product: Mesa
Version: unspecified
Platform: x86 (IA32)
OS/Version: other
Status: NEW
Severity: major
Priority: medium
Component: Drivers/DRI/R600
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: hysvats@gmail.com
Created an attachment (id=36284)
--> (https://bugs.freedesktop.org/attachment.cgi?id=36284)
Xorg.log
KMS Driver Stack details :
=========================
1) Kernel-2.6.32-21-generic-pae
2) Libdrm-2.4.19
3) Mesa-7.8-rc2
4) Xorg-server-1.7.4
5) ddx: xf86-video-ati-6.13.0
System Environment :
===================
O.S. - Ubuntu-10.04(32bit)
Asic - RV790XT
CPU - Intel(R) Core(TM)@ 1.86GHz
Steps to Reproduce:
===================
1) Install Phoronix-test-suite from
http://www.phoronix-test-suite.com/releases/repo/pts.debian/files/phoronix-test-suite_2.6.1_all.deb
2) Install openarena game
phoronix-test-suite install openarena
3) Run the game with 1920x1080
phoronix-test-suite run openarena
Observation :
=============
1) FPS observed is 60.2
2) Disable KMS and run the test again with the same resolution
With UMS FPS is 118.4
3) Bloom option is disabled before running both the tests.
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* [Bug 28550] [UMS vs KMS]: Openarena performance drops by half with KMS enabled
2010-06-15 12:39 [Bug 28550] New: [UMS vs KMS]: Openarena performance drops by half with KMS enabled bugzilla-daemon
@ 2010-06-15 12:39 ` bugzilla-daemon
2010-06-15 12:40 ` bugzilla-daemon
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2010-06-15 12:39 UTC (permalink / raw
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=28550
--- Comment #1 from samit vats <hysvats@gmail.com> 2010-06-15 05:39:54 PDT ---
Created an attachment (id=36285)
--> (https://bugs.freedesktop.org/attachment.cgi?id=36285)
xorg.conf
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* [Bug 28550] [UMS vs KMS]: Openarena performance drops by half with KMS enabled
2010-06-15 12:39 [Bug 28550] New: [UMS vs KMS]: Openarena performance drops by half with KMS enabled bugzilla-daemon
2010-06-15 12:39 ` [Bug 28550] " bugzilla-daemon
@ 2010-06-15 12:40 ` bugzilla-daemon
2010-06-15 14:36 ` bugzilla-daemon
2012-09-12 15:44 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2010-06-15 12:40 UTC (permalink / raw
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=28550
--- Comment #2 from samit vats <hysvats@gmail.com> 2010-06-15 05:40:16 PDT ---
Created an attachment (id=36286)
--> (https://bugs.freedesktop.org/attachment.cgi?id=36286)
glxinfo
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* [Bug 28550] [UMS vs KMS]: Openarena performance drops by half with KMS enabled
2010-06-15 12:39 [Bug 28550] New: [UMS vs KMS]: Openarena performance drops by half with KMS enabled bugzilla-daemon
2010-06-15 12:39 ` [Bug 28550] " bugzilla-daemon
2010-06-15 12:40 ` bugzilla-daemon
@ 2010-06-15 14:36 ` bugzilla-daemon
2012-09-12 15:44 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2010-06-15 14:36 UTC (permalink / raw
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=28550
--- Comment #3 from Andy Furniss <lists@andyfurniss.entadsl.com> 2010-06-15 07:36:39 PDT ---
> 1) FPS observed is 60.2
It's because KMS is limiting rendering to the refresh rate of your monitor to
avoid tearing.
> 2) Disable KMS and run the test again with the same resolution
> With UMS FPS is 118.4
I always thought the pts demo was not as good as the anholt one for openarena -
too long and mostly not enough going on so that the average fps gets pulled up
by easy scenes that are 100-200fps.
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* [Bug 28550] [UMS vs KMS]: Openarena performance drops by half with KMS enabled
2010-06-15 12:39 [Bug 28550] New: [UMS vs KMS]: Openarena performance drops by half with KMS enabled bugzilla-daemon
` (2 preceding siblings ...)
2010-06-15 14:36 ` bugzilla-daemon
@ 2012-09-12 15:44 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2012-09-12 15:44 UTC (permalink / raw
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=28550
Andreas Boll <andreas.boll.dev@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |NOTABUG
--- Comment #4 from Andreas Boll <andreas.boll.dev@gmail.com> 2012-09-12 15:44:29 UTC ---
(In reply to comment #3)
> > 1) FPS observed is 60.2
>
> It's because KMS is limiting rendering to the refresh rate of your monitor to
> avoid tearing.
>
Closing.
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