Microbenchmark results Cannon Lake: GCC 8.3.1 Cascade Lake: GCC 8.3.0 Skylake-X: GCC 8.1.0 Skylake: Clang 3.8.0 GCC 5.3.0 Haswell Clang 3.8.0 GCC 5.3.0 Sandybridge-E GCC 4.8.5 GCC 5.3.0 Westmere GCC 4.9.2 Bulldozer GCC 4.8.4 ARMv7 GCC 4.9.2 ARMv8 GCC 4.8.5 Clang 3.8.0