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Phoronix Test Suite

OpenBenchmarking.org

Does A Greedy Intel Driver Improve Performance?

Michael Larabel

Published on 15 April 2009
Written by Michael Larabel
Page 8 of 8 - 20 Comments

EXA and UXA performed roughly the same, but when enabling the greedy migration heuristics there was quite the performance boost.

The greedy migration heuristics caused a performance drop here and so did UXA.

As you can see from these Intel 2D metrics, the performance is really scattered across the board depending upon the test. A few generalizations that can be made is that enabling greedy migration heuristics does cause a dramatic performance boost in some areas, but in other areas it will cause a slowdown with EXA. UXA had also performed quite well in some areas, but in other places it dropped like a rock. In several tests we also witnessed the older xf86-video-intel 2.4 driver performing better than the newer xf86-video-intel 2.6 driver does when both were using EXA with the same options. There are clearly some performance problems continuing, as we have been reporting the past few months.

Fortunately though there is an option called git-bisect and there is also the Phoronix Test Suite, so we will be back with more Intel Linux benchmark results shortly.

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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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