Moving towards Python 3.0 (was Re: [Python-Dev] Speed up function calls)

[Nathan Binkert]

> Wouldn't it be nicer to have a facility that let you send messages
> between processes and manage concurrency properly instead?  You'll need
> most of this anyway to do multithreading sanely, and the benefit to the
> multiple process model is that you can scale to multiple machines, not
> just processors.  For brokering data between processes on the same
> machine, you can use mapped memory if you can't afford to copy it
> around, which gives you basically all the benefits of threads with
> fewer pitfalls.

I don't think this is an answered problem.  There are plenty of
researchers on both sides of this fence.  It is not been proven at all
that threads are a bad model.

http://capriccio.cs.berkeley.edu/pubs/threads-hotos-2003.pdf or even
http://www.python.org/~jeremy/weblog/030912.html