Gallium3D's LLVMpipe Under LLVM 2.9
Written by Michael Larabel in Software on 26 March 2011. Page 3 of 3. 4 Comments

VDrift is more demanding than the ioquake3-based games due to its use of GLSL and other OpenGL extensions not stressed by the other games, but the performance with LLVMpipe is downright odd with LLVM 2.6/2.8 on this release. LLVM 2.9 SVN is slower than LLVM 2.8, but faster than LLVM 2.7. However, at none of the resolutions tested would this racing game be considered playable.

LLVM 2.9 as of 2011-03-24 SVN appears to be slightly slower than LLVM 2.8 at 1920 x 1080 with Lightsmark. However, it does not mean much since the frame-rate here is less than five FPS and it is less than a one-frame drop.

LLVMpipe with LLVM 2.9 handling Urban Terror appears slightly faster, but not enough to make a difference.

As you can see, upgrading to Low-Level Virtual Machine 2.9 doesn't provide any immediate benefits at least on a six-core Intel Gulftown system where this software driver isn't particularly useful in most OpenGL games / applications. However, that is why we are just putting out the results here (and for those interested in the Core i7 990X) on a Saturday afternoon for those that may be interested; the more interesting tests will come next week. These results are also available on OpenBenchmarking.org.

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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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