http://www.phoronix.com/scan.php?page=article&item=gcc-clang-kblclear&num=4 GCC 6.2.0 - 243 Clang 3.9.0 - 289 GCC options: -m64 -O3 -lssl -lcrypto -ldl CPU: Kaby Lake 7200U (the same CPU core as Sandy Bridge)
Hopefully this has been fixed.