GCC 8 & LLVM Clang 6.0 Compiler Performance On AMD EPYC - November 2017
Written by Michael Larabel in Software on 8 November 2017. Page 2 of 4. 15 Comments

FFTW continues to maintain a small lead with GCC over the Clang-generated binaries. In some FFTW instances, GCC 8 is providing a small increase in performance over GCC 7.

SciMark2 overall is close in performance.

A Monte Carlo regression is fixed by GCC 8.

The newer Clang and GCC development compilers do provide small boosts in performance in some scenarios.

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