Intel Ivy Bridge: GCC 4.8 vs. LLVM/Clang 3.2 SVN
Written by Michael Larabel in Software on 18 August 2012. Page 4 of 4. 22 Comments

LLVM/Clang 3.2 SVN managed a small lead with the Crafty chess workload.

GCC 4.8 returned on top with LAME MP3 encoding where it had a slight performance advantage.

The Minion results were close but mixed between LLVM/Clang and GCC.

OpenSSL continues to be well optimized for both compilers.

For most of these C/C++ benchmarks for the quick Subversion code comparison of LLVM/Clang vs. GCC, the GNU Compiler Collection continues to be the fastest performance. However, this weekend benchmarking was limited to just Intel's latest-generation Ivy Bridge hardware in a single configuration running Ubuntu Linux. When LLVM/Clang 3.2 and GCC 4.8 are closer to release, more extensive testing will be conducted -- along with looking at the compile-time performance, generated binary size, and other factors.

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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 TwitterLinkedIn,> or contacted via MichaelLarabel.com.

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