[Python-Dev] Parrot -- should life imitate satire?

Paul Prescod paulp@ActiveState.com
Tue, 31 Jul 2001 16:42:57 -0700

Dan Sugalski wrote:
> As for threading, well, that's where things get interesting. Perl's tried
> it two ways (multiple threads in the same interpreter, and one thread per
> interpreter, with cloned interpreters) both of which aren't very good. And
> the global lock thing's not that keen either. 

What is the downside of the global lock on the average single processor
machine? I tend to think that the "default" threading model should allow
simple and easy, everything-shared multi-threading on ordinary machines.
Having a multi-processor-friendly advanced mode is a great extension for
the wizards.
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