While LLVM’s Clang C/C++ compiler was traditionally known for its faster build speeds than GCC, in recent releases of GCC the build speeds have improved and in some areas LLVM/Clang has slowed down with further optimization passes and other work added to its growing code-base. As it stands right now, GCC is faster than Clang at compiling the Linux kernel…

Source: Phoronix – GCC Is Currently Faster Than LLVM’s Clang At Compiling The Linux Kernel