[IPython-User] Advice re parallelizing many quick calculations

[MinRK]

I should also note that the reason your parallel attempts are so
*very* slow with IPython is that the single object which our
serialization handles the worst is a very long list (or list of
lists), part of which is addressed in PR 2069:
https://github.com/ipython/ipython/pull/2069.

-MinRK