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R600 Gallium3D LLVM & SB Shader Back-End Tests

AMD

Published on 17 August 2013 01:53 PM EDT
Written by Michael Larabel in AMD
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In recent months I have delivered a number of R600 SB shader optimization benchmarks for the AMD Gallium3D shader back-end that's part of Mesa 9.2. I've also delivered tests of the R600 LLVM back-end that's also been progressing in recent months and viewed as the future for AMD's open-source driver. This weekend are some independent tests of the R600 LLVM and SB back-ends.

On Friday an independent Phoronix Test Suite user uploaded to OpenBenchmarking.org a four-way R600 Gallium3D configuration comparison. From a Gateway Laptop with Core i3 330M CPU and Mobility Radeon HD graphics, the Arch Linux system was running the Linux 3.10 kernel with Mesa 9.3-devel. The individual tested the Radeon driver in a stock configuration, the same stack with R600 SB, the LLVM back-end, and then the R600 LLVM back-end with the R600 SB optimizations applied as well.

Those wanting to check out these independent tests of the R600 SB/LLVM back-ends can hit up 1308169-SO-SHADERS4516. Below are a sampling of the results where the OpenGL shader back-ends make a difference.






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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