GCC 7.0 vs. LLVM Clang 4.0 Performance With Both Compiler Updates Coming Soon
Written by Michael Larabel in Software on 28 January 2017 at 09:11 AM EST. Page 2 of 6. 28 Comments.
Interestingly, with the HPC Challenge's HPL test, Clang is running much faster than GCC 7.
With the EP-DGEMM test, the Clang performance also was much higher than GCC but for these other HPCC runs the performance was close between these competing compilers.
Clang is a tiny bit slower than GCC with the FFTW performance.
The HMMer scientific benchmark results were dead on between GCC and Clang.