Bug 200428

Summary: Xorg developer recommends getting latest mesa CVS for performance issues
Product: [Fedora] Fedora Reporter: Kevin DeKorte <kdekorte>
Component: mesaAssignee: Adam Jackson <ajax>
Status: CLOSED RAWHIDE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: xgl-maint
Target Milestone: ---   
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2006-09-20 21:52:29 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Kevin DeKorte 2006-07-27 17:07:09 UTC 
Description of problem:
i915 drivers GL performance in rawhide is much lower than in FC5. After opening
a bug at freedesktop #7654. The developer suggested getting a newer snapshot of
the mesa-libGL driver. 

Version-Release number of selected component (if applicable):
mesa-libGL-6.5-19.fc6

How reproducible:
Unknown

Steps to Reproduce:
1.
2.
3.
  
Actual results:
In FC6 ppacer gives 10-12fps compaired to FC5 giving 40-50fps on the same
hardware. Between FC5 and FC6 the i810 driver was upgraded from 1.5 to 1.6 which
had some major changes which exposed some problems in the mesa-libGL libs. 

Expected results:
I would expect some performance changes due to new features and aiglx. But not
more than 50% drop in performance.

Additional info:
The latest mesa-libGL package that is provided has improved 3d support alot (no
longer flickers horribly) but there is still more work to be done
Comment 1 Kevin DeKorte 2006-08-21 14:38:44 UTC 
New mesa code is a big improvement...
mesa-libGLU-devel-6.5-22.20060818cvs.fc6
mesa-libGLU-6.5-22.20060818cvs.fc6
mesa-libGL-devel-6.5-22.20060818cvs.fc6
mesa-libGL-6.5-22.20060818cvs.fc6

Allows ppracer to run around 18-22fps after install of new mesa. Performance is
still not at the same level at FC5, but definately better.

Also, on FC5, I was running metacity and no aiglx. And on FC6 I am running
compiz and aiglx so the comparisons are not exactly the same. I would expect the
machine running aiglx to be a bit slower.
Comment 2 Adam Jackson 2006-09-20 21:52:29 UTC 
Mesa 6.5.1 RCs have been in rawhide for a while now, closing.