Maybe there are other numerical python programmers in the same situation as I. Meanwhile I have figured out, that Cython offers (in comparison to pure C++) a relatively easy but performant opportunity, to program parallel without GIL and process big head.
For instance see
https://python.g-node.org/python-summer ... cython.pdf
http://www.perrygeo.com/parallelizing-n ... d-mpi.html
http://docs.cython.org/en/latest/src/use...elism.html
[url=http://www.perrygeo.com/parallelizing-numpy-array-loops-with-cython-and-mpi.html][/url]
Consuli
For instance see
https://python.g-node.org/python-summer ... cython.pdf
http://www.perrygeo.com/parallelizing-n ... d-mpi.html
http://docs.cython.org/en/latest/src/use...elism.html
[url=http://www.perrygeo.com/parallelizing-numpy-array-loops-with-cython-and-mpi.html][/url]
Consuli