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Previewing The Radeon Gallium3D Shader Optimizations

Michael Larabel

Published on 7 May 2013
Written by Michael Larabel
Page 3 of 3 - 11 Comments

Xonotic with low-quality settings doesn't make much of an impact on the results/

When pushing through higher-quality shaders, the shader back-end begins to show off. The Radeon HD 6570 and HD 6770 graphics cards showed a noticeable improvement in performance via the "R600_DEBUG=sb" option for the shader back-end optimizations.

The Unigine Engine on the open-source drivers is still rather problematic, but for the poor configuration it didn't yield much change:

For the common Linux OpenGL test-cases there isn't too much to get excited over with the initial shader optimized back-end for the AMD R600 Gallium3D driver but the results from some of the more demanding OpenGL games did show Vadim Girlin's back-end is capable of raising the Linux gaming frame-rates.

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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