GCC 5.0 Outruns LLVM 3.5 Compiler By A Bit On Core-AVX2

Written by Michael Larabel in Software on 3 September 2014. Page 5 of 5. 10 Comments

GCC 5.0 was faster than Clang 3.5 at FLAC and MP3 format audio encoding.

GCC 5.0 was also noticeably faster than Clang at the HINT benchmark.

The Apache web-server performance was close to the same.

While Clang overall is still competitive with GCC, in a number of benchmarks GCC 5.0 had the upper-hand over the near-final version of LLVM Clang 3.5. That's where things stand at least for this Core i7 4960X Haswell / Core-AVX2 system. More x86 and ARM compiler tests will be forthcoming on Phoronix. If you have any other benchmark requests let me know via Twitter.

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Michael Larabel

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, LinkedIn, or contacted via MichaelLarabel.com.