Multiprocessing or Multithreading?

Question

I\'m making a program for running simulations in Python, with a wxPython interface. In the program, you can create a simulation, and the program renders (=calculates) it for

Answer 1

If you would like to read a lengthy discussion of multi-threading in Mozilla, consider having a look at this discussion which started in 2000. The discussion doesn't necessarily answer your question. However, it's an indepth discussion that I believe is interesting and informative, which I suggest may be quite valuable because you've asked a difficult question. Hopefully it'll help you make an informed decision.

Incidentally, several members of the Mozilla project (notably Brendan Eich, Mozilla's CTO and the creator of JavaScript) were quite critical of multi-threading in particular. Some of the material referenced here, here, here, and here supports such a conclusion.

Hope that helps and good luck.