GCC 8 vs. LLVM Clang 6 Performance At End Of Year 2017

GCC still outperforms Clang with the C-Ray multi-threaded ray-tracer.

The Bullet physics engine library is faster when compiled with GCC than Clang.

GCC 8.0 also remains faster than LLVM Clang 6.0 for the audio encoding benchmarks.

As well as with FFmpeg.