* [Bug 44523] New: nexuiz perf regression since u_vbuf: implement another upload codepath which unrolls indices
@ 2012-01-06 11:12 bugzilla-daemon
2012-01-07 20:31 ` [Bug 44523] " bugzilla-daemon
0 siblings, 1 reply; 2+ messages in thread
From: bugzilla-daemon @ 2012-01-06 11:12 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=44523
Bug #: 44523
Summary: nexuiz perf regression since u_vbuf: implement another
upload codepath which unrolls indices
Classification: Unclassified
Product: Mesa
Version: git
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
AssignedTo: dri-devel@lists.freedesktop.org
ReportedBy: lists@andyfurniss.entadsl.com
d-r-t kernel, HD4890.
Since -
commit ce44bae366ade59fb2dbdfbfe5a1ab8d24518a57
Author: Marek Olšák <maraeo@gmail.com>
Date: Tue Jan 3 22:01:03 2012 +0100
u_vbuf: implement another upload codepath which unrolls indices
Improves performance from cca 1 fps to 23 fps in Cogs.
This new codepath is not always used, instead, there is a heuristic which
determines whether to use it. Using translate for uploads is generally
slower than what we have had already, it's a win only in a few cases.
I get quite a noticeable perf regression running demo1 in nexuiz.
Other games (openarena,ut2004 demo, etqw) seem unaffected
91.2740132 fps, one-second fps min/avg/max: 50 99 231 (90 seconds)
to
55.6802612 fps, one-second fps min/avg/max: 19 69 231 (90 seconds)
Sometimes I saw a couple of short (1/4 sec) stalls as well, which gave worse
results, above was without stalls.
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* [Bug 44523] nexuiz perf regression since u_vbuf: implement another upload codepath which unrolls indices
2012-01-06 11:12 [Bug 44523] New: nexuiz perf regression since u_vbuf: implement another upload codepath which unrolls indices bugzilla-daemon
@ 2012-01-07 20:31 ` bugzilla-daemon
0 siblings, 0 replies; 2+ messages in thread
From: bugzilla-daemon @ 2012-01-07 20:31 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=44523
Marek Olšák <maraeo@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |FIXED
--- Comment #1 from Marek Olšák <maraeo@gmail.com> 2012-01-07 12:31:30 PST ---
Fixed by 2bdf93449a0b00145fabdd3f7866acbafa18e734. Closing.
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2012-01-06 11:12 [Bug 44523] New: nexuiz perf regression since u_vbuf: implement another upload codepath which unrolls indices bugzilla-daemon
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