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Use OpenMP in Cython wrappers #58

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astrofrog opened this issue Oct 2, 2017 · 0 comments · Fixed by #59
Closed

Use OpenMP in Cython wrappers #58

astrofrog opened this issue Oct 2, 2017 · 0 comments · Fixed by #59

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@astrofrog
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astrofrog commented Oct 2, 2017 •
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Cython provides a way via prange to use OpenMP which we could use to speed up calculations since our loops are embarassingly parallel:

http://cython.readthedocs.io/en/latest/src/userguide/parallelism.html

The main trick will be to figure out how to determine whether the -fopenmp flag can be safely used in setup.py (this is not supported by all compilers)

(related to #22)
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Use OpenMP in Cython wrappers astrofrog/astropy-healpix
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