[Numpy-discussion] PRNGs and multi-threading
Sturla Molden
sturla at molden.no
Fri Aug 21 22:09:08 EDT 2009
Robert Kern skrev:
> Although you don't really have re-entrancy issues, you will usually
> want one PRNG per thread for determinism.
>
I see... numpy.random.rand does not have re-entrancy issues because of
the GIL, but I get indeterminism from the OS scheduling the threads.
RandomState might not release the GIL either, but preserves determinism
in presence of multiple threads. Thanks. :-)
Regards,
Sturla Molden
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