Apple Mac OS X 10.7.4 Lion vs. Ubuntu Linux
Written by Michael Larabel in Operating Systems on 22 June 2012. Page 6 of 8. 18 Comments

Now are some CPU-focused tests...

For the MAFFT benchmark, Ubuntu Linux did much better than OS X on the Intel Core i5 "Sandy Bridge" system. Apple's Xcode development environment now defaults to LLVM/Clang 3.1 by default for its C/C++ compiler where as Ubuntu Linux remains faithful to GCC. Ubuntu 12.04 LTS has GCC 4.6 and Ubuntu 12.10 moves to GCC 4.7.

The GraphicsMagick results heavily favor the GCC-based operating system since LLVM/Clang still lacks OpenMP support.

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