http://docs.cython.org/src/userguide/parallelism.html
brew install clang-omp
CC=/usr/local/bin/clang-omp python setup.py build_ext --inplace # C extension
CXX=/usr/local/bin/clang-omp++ python setup.py build_ext --inplace # C++ extension
http://docs.cython.org/src/userguide/parallelism.html
brew install clang-omp
CC=/usr/local/bin/clang-omp python setup.py build_ext --inplace # C extension
CXX=/usr/local/bin/clang-omp++ python setup.py build_ext --inplace # C++ extension