OS X 10.8 Mountain Lion Delivers Some Performance Improvements
Written by Michael Larabel in Operating Systems on 9 August 2012 at 09:26 AM EDT. Page 4 of 5. 23 Comments.
Apple's Xcode 4.4 development software was used with LLVM/Clang 3.1 being the default compiler in use. With the same Xcode release under OS X 10.7 and OS X 10.8, for some of the computational tests there's really no change in performance with this latest Xcode/LLVM release.