[Python-Dev] Cloning threading.py using proccesses (original) (raw)

Nick Maclaren nmm1 at cus.cam.ac.uk
Thu Oct 12 15:25:26 CEST 2006

Josiah Carlson <jcarlson at uci.edu> wrote:

It would be convenient, yes, but the question isn't always 'threads or processes?' In my experience (not to say that it is more or better than anyone else's), when going multi-process, the expense on some platforms is significant enough to want to persist the process (this is counter to my previous forking statement, but its all relative). And sometimes one wants multiple threads running in a single process handling multiple requests.

Yes, indeed.

This is all confused by the way that POSIX (and Microsoft) threads have become essentially just processes with shared resources. If one had a system with real, lightweight threads, the same might well not be so.

Regards, Nick Maclaren, University of Cambridge Computing Service, New Museums Site, Pembroke Street, Cambridge CB2 3QH, England. Email: nmm1 at cam.ac.uk Tel.: +44 1223 334761 Fax: +44 1223 334679

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