GCC 11 vs. LLVM Clang 12 Compilers On The AMD EPYC 7763
Written by Michael Larabel in Software on 4 May 2021. Page 3 of 4. 7 Comments

The performance of Clang continues to be quite fascinating and has certainly matured a lot on x86_64 and ARM64 in recent years.

Coremark on the EPYC 7763 was delivering noticeably better performance with GCC.

GCC also still was showing the best results for the C-Ray ray-tracer.

GCC also was leading with the Ngspice circuit simulator software.

GCC started off faster for the Liquid-DSP digital signal processing library but at the higher thread counts the Clang-built binary came out ahead.

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