A simple upgrade to xorg-server 1.5.3 using the packages from:
gives a nice speedup in 2D (with or without compiz):
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ATI X.Org, Mesa Performance In Ubuntu
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Originally posted by dungeon View Post
I also noticed 2D perfomance regression with my RV530 (3D was only supported since 8.10). For more information see:
and
I noticed bad performance regression with xorg-server 1.5.2 (intrepid) against 1.4 (hardy). For the detailed report see here: http://lists.freedesktop.org/archives/xorg/2008-October/039277.html There are two known problems: 1) EXA: Avoid excessive syncing in PutImage Patch to fix slow EXA in 1.5.2: http://gitweb.freedesktop.org/?p=xorg/xserver.git;a=commitdiff;h=f4c33e2e64ce83c29c3bc79853e421247acfea11 the fix was included in 1.5.3. Test package of xorg-server 1.5.3~git-1ubuntu0tormod4 can...
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AtomBIOS
Originally posted by The_Monkey_King View PostAny thought to the degradation being the new drivers forced to use AtomBIOS?
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Any thought to the degradation being the new drivers forced to use AtomBIOS?
If flops speed is better, then computational-wise, the kernal is more streamlined/optimized. But for desktop use, raw number calculations must take in account operations that suck bandwidth and clock time.
I wonder...if you use Ubuntu 7.10, which appears to have better frame rates and updated only the ATI drivers to their October/November level, would the framerates drop?
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ATI X.Org, Mesa Performance In Ubuntu
Phoronix: ATI X.Org, Mesa Performance In Ubuntu
Late last month we published system benchmarks of Ubuntu 7.04 through 8.10 and had found -- at least with the Intel notebook we were using -- that the performance had degraded with time. This article had then resulted in benchmarks of Fedora 7 through 10 and most recently were Mac OS X 10.5 vs. Ubuntu 8.10 benchmarks. In our original article we hadn't focused much upon the graphics tests and we were just using ATI's binary driver, but per a request from Canonical's Bryce Harrington, we have carried out some open-source graphics tests on Ubuntu 7.04 through 8.10 and we started with the ATI performance.
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