Dear Ben, Bob et al.,
Thanks for this thread. (It has a very high signal to noise
ratio, compared with many others.)
Dear Everyone,
Since this started about Python, in a Perl discussion list, I am
wondering about whether Perl facilitate the kind of experimentation that
led to "stackless Python". http://www.stackless.com/ "An experimental
implementation that supports continuations, generators, microthreads,
and coroutines."
See also
http://www.onlamp.com/pub/a/python/2000/10/04/stackless-intro.html
Perhaps not, because this will be built into Perl 6.
Perhaps not, because the Python community is different than the Perl
community in some fundamental way, e.g., there is only one version of
Perl.
Perhaps not, because Continuations are a "Bad Thing".
I believe some disciplined way of doing concurrency is clearly needed,
and I do not think any of our current abstractions are good enough.
(They may work in theory, but not in practice, e.g. they are too hard to
reason about, or to debug.)
I can think of no better path than for Perl to get this right, and run
well on the multi-core CPU systems of the future.
Steve
[rest of thread snipped]
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