Concurrent tasklets in Stackless Python

Minesh Patel minesh at
Tue Mar 10 00:47:03 CET 2009

On Mon, Mar 9, 2009 at 3:17 PM, Chris Rebert <clp2 at> wrote:
> On Mon, Mar 9, 2009 at 3:05 PM, Minesh Patel <minesh at> wrote:
>> Is there a way for multiple tasklets to run in parallel?
> Seems doubtful (though I'm not an expert).
> From the Wikipedia article: "Stackless microthreads are managed by the
> language interpreter itself, not the operating system kernel—context
> switching and task scheduling is done purely in the interpreter. "
> This suggests that only one microthread is ever really being run at
> any given time. I would venture a guess that the lack of "true"
> parallel-ness is probably a design decision deeply ingrained into
> Stackless and is not changeable. You'd probably have to change to
> multiprocessing or threads.

Thanks Chris,
Can you suggest any Python libraries for true parallelism or should I
just stick with Python Threads or asyncore


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