Intel Xeon Skylake Compilers: Clang Showing Strong Performance Against GCC

Clang continues to offer much faster compile times than GCC. In fact, GCC 6 seems to be compiling slower than GCC 5..

LLVM Clang remained slower than GCC with the C-Ray multi-threaded ray-tracer.

With the Smallpt OpenMP path tracer, the performance of Clang matches GCC when there is the working OpenMP support.