LLVM Clang 3.3, Early Clang 3.4 Benchmarks
Written by Michael Larabel in AMD on 23 June 2013 at 04:18 AM EDT. 1 Comment
For those curious how AMD's Bulldozer CPUs are performing with this week's release of LLVM 3.3, here are some benchmarks of LLVM/Clang 3.3 along with some early benchmarks of the latest Clang 3.4 development code from the AMD FX-8150 Eight-Core CPU.

Published this week have already been GCC 4.7/4.8 vs. LLVM/Clang 3.2/3.3 benchmarks from a new Intel Core i7 4770K "Haswell" system, but for those curious about the AMD side, here's some benchmarks.

Compiler benchmarks were done from Ubuntu 13.04 with LLVM Clang 3.1, LLVM Clang 3.3, and LLVM Clang 3.4 (from Friday) being built from source without assertions and in an optimized mode, for producing release-ready binaries. LLVM Clang 3.2 had to be skipped from this testing since when invoking LLVM/Clang 3.2, for whatever reason, it ended up crashing the system in its current hardware/software configuration.

The benchmarks in full for this round of compiler testing can be found on OpenBenchmarking.org via 1306228-PTS-LLVMAMDF95. Click that link for all of the system hardware/software details and the complete test results.

There have been some performance improvements from the AMD FX-8150 "Bulldozer" system when comparing LLVM Clang 3.1 to LLVM Clang 3.3, while overall there isn't too much exciting yet in the way of LLVM Clang 3.4, which won't be out until the end of the year or perhaps early next year. Coming up next will be some comparative benchmarks for this system against GCC and Open64.

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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 10,000 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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