Here's a Intel Core i5 2.7Ghz on a MacBook Pro (Retina, 13-inch, Early 2015) compiled with clang (had to edit the makefile a bit): CPU :

Here's a Intel Core i5 2.7Ghz on a MacBook Pro (Retina, 13-inch, Early 2015) compiled with clang (had to edit the makefile a bit): CPU : L2 Cache : OS : Darwin 15.3.0 C compiler : Apple LLVM version 7.0.2 (clang-700.1.81) libc : MEMORY INDEX : 49.009 INTEGER INDEX : 41.947 FLOATING-POINT INDEX: 92.671 Baseline (LINUX) : AMD K6/233*, 512 KB L2-cache, gcc 2.7.2.3, libc-5.4.38