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OpenBenchmarking.org

Intel Graphics Regressions In Ubuntu 9.04?

Michael Larabel

Published on 25 January 2009
Written by Michael Larabel
Page 4 of 4 - 43 Comments

In our final test for today, the image scaling performance using X Render with Ubuntu 9.04 caused more bleeding for Intel. Ubuntu 8.10 had an average frame-rate of 86.55 FPS while the January 24th daily build was running at 37.60 FPS.

In OpenArena the performance had improved and other games had run properly atop Mesa 7.3, but there are still some serious performance regressions within Intel's Linux graphics stack. In all six of the QGears2 tests using both the OpenGL and X Render back-ends the newer Ubuntu packages led to significant and unequivocal performance drops. These results concur with what we experienced a month ago. Back in November we also looked at the Intel Linux graphics performance for the past three Ubuntu releases. Though just wait and we will be back with more Linux graphics tests in other configurations and when building the latest components from Git.

The X Render / 2D Intel performance can be improved when using the UXA acceleration architecture, which is based upon the EXA API but with embedded support for the GEM memory management, but this mode isn't yet enabled by default and ultimately will work its way back into a revised EXA implementation. There are also some common rendering glitches when enabling UXA. For more information, read our Intel UXA performance article.

You can share your Linux graphics experiences in the Phoronix Forums. Run your own tests using the Phoronix Test Suite.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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