Python threads and Numeric/SciPy exploit Dual Core ?

[Fredrik Lundh]

Oeyvind Brandtsegg wrote:

> I've been trying to make my music app use dual core,
> and would very much like some more detailed information on this.
>
> Excuse my lack of knowledge,
> but how do I explicitly release the GIL ?

http://docs.python.org/api/threads.html

> I haven't learned this, but have found through experimentation that I
> can release a thread by using time.sleep(0) inside a thread's "run
> while true" loop. This seems to create an interrupt, and give other
> threads a chance to do their thing.

that (momentarily) blocks the current thread, and forces a rescheduling.

</F>