GCC vs. LLVM Clang vs. AOCC Compiler Benchmarks On The AMD EPYC 7742 2P Linux Server
Written by Michael Larabel in Software on 9 August 2019. Page 3 of 4. 15 Comments

The OpenMP-threaded GraphicsMagick imaging application continues to deliver mixed performance between GCC and Clang, something that has long been the case, and generally AOCC performing like Clang.

GCC continues producing faster binaries for the long-standing Coremark benchmark.

Likewise, GCC on recent releases continues running faster than LLVM/Clang.

With the AOBench ambient occlusion renderer, AOCC 2.0 did come out faster than LLVM Clang upstream and was enough to just about tie it with GCC 9.1, but GCC 10 here had a slight leg-up.

The dav1d AVI video decoder results were a tight race but AOCC 2.0 did seem to perform better than GCC.



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