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Phoronix Test Suite

OpenBenchmarking.org

Benchmarking LLVM/Clang 3.2, GCC 4.8, DragonEgg Compilers

Michael Larabel

Published on 9 November 2012
Written by Michael Larabel
Page 5 of 5 - 7 Comments

With LLVM/Clang 3.2, the C-Ray multi-threaded ray-tracing performance now matches that of the modern GCC compiler.

It will be nice when LLVM/Clang supports OpenMP...

The LLVM/Clang 3.2 compiler is becoming more competitive with GCC, but there are still cases where GCC remains much faster (not counting LLVM's lack of OpenMP support) and then in other workloads Clang is a strong winner. The DragonEgg plug-in performance was mixed with no really strong edge. DragonEgg will be nice if you wish to use LLVM for languages where there is no native LLVM compiler front-end but is supported by GCC, but outside of that there isn't too much value at this time.

LLVM/Clang 3.2 and DragonEgg 3.2 are expected to be released in mid-December while GCC 4.8 will be officially released around March of next year.

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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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