MacMini with OSX 10.9 (Intel Core i7-3720QM 2.6GHz (Turbo 3.6 GHz)) 14.05 ===== Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn) 14.05.9.4713 RTEA, MT, inlining_size = 8, full class checking: 542.926u 18.233s 9:21.64 99.9% 0+0k 23+10173io 2pf+0w 545.788u 18.356s 9:24.17 99.9% 0+0k 0+9901io 0pf+0w 14.05.9.4713 non-RTEA, non-MT, inlining_size = 8, full class checking: 222.784u 18.100s 4:03.28 99.0% 0+0k 2+9328io 5pf+0w