GCC vs. LLVM Clang Is Mixed On The Ivy Bridge Extreme

Written by Michael Larabel in Software on 13 October 2013. Page 3 of 3. 16 Comments

LLVM Clang continues to maintain striking leads over GCC when it comes to the speed of compiling C/C++ code.

GCC 4.8.1 is faster than GCC 4.7.2 for C-Ray, which now makes it noticeably faster than the current stable release of Clang on the twelve-thread Core i7 4960X Extreme Edition.

LLVM Clang is close to landing full OpenMP support, but in the meantime, the GCC performance is obviously much faster on multi-core systems.

More of these Intel Core i7 4960X Ivy Bridge Extreme GCC vs. LLVM Clang compiler benchmark results can be found via OpenBenchmarking.org at 1310045-SO-I74960XLL69.

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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.