Installing OpenMP on Mac OS X 10.11

On a Mac, the command gcc is a symlink to Clang. So by calling gcc -fopenmp -o your_program your_program.c you are in fact using Clang, which until now has not had built-in support for OpenMP. The newer versions of Clang do have support for OpenMP according to this post (where you can also find instructions … Read more

OpenMP and Python

Cython Cython has OpenMP support: With Cython, OpenMP can be added by using the prange (parallel range) operator and adding the -fopenmp compiler directive to setup.py. When working in a prange stanza, execution is performed in parallel because we disable the global interpreter lock (GIL) by using the with nogil: to specify the block where … Read more

How to include omp.h in OS X?

This command can help you brew install libomp brew info libomp libomp: stable 6.0.1 (bottled) LLVM’s OpenMP runtime library https://openmp.llvm.org/ /usr/local/Cellar/libomp/6.0.1 (12 files, 1.2MB) * Poured from bottle on 2018-11-20 at 16:12:22 From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/libomp.rb ==> Dependencies Build: cmake ✘ ==> Requirements Required: macOS >= 10.10 ✔ ==> Caveats On Apple Clang, you need to add … Read more