LLVM Clang 12 Leading Over GCC 11 Compiler Performance On Intel Xeon Scalable Ice Lake
Seeing some of the largest wins in favor of Clang was the NCNN neural network framework developed by Tencent. Though not too surprising given that NCNN is mobile-focused where the Clang compiler tends to be very popular among mobile/embedded ISVs and IHVs.
The TNN deep learning framework meanwhile performed better when built by GCC.