[Python-Dev] Stackless Python

Christian Tismer tismer at stackless.com
Wed Jun 2 13:44:44 EDT 2004

Bob Ippolito wrote:


> In my quick attempt to do CSP on top of CPython threads I learned that:
> - It's not as easy as it sounds to get deterministic behavior out of 
> threads, and debugging threaded python apps is no fun.
> - When it does work, the performance sucks compared to Stackless.
> Perhaps someone with more Python threading experience can prove me wrong?

I have spent almost three weeks to implement thread-aware
channels for Stackless in C, and I can tell you it was hard.
They are almost exactly 10 times slower than Stackless
channels, and it was not trivial, but once for all time. :-)

I think you are right! -- chris

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