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Sun Oct 17 20:10:21 CEST 2010 · https://mail.python.org/pipermail/python-dev/2010-October/104736.html

> ISTM, the use of 64-bit builds is growing in popularity.  It was be a bummer
> to have a locked-in an effective size limit for dictionaries and sets
> because the API only supports 32-bit hash values.

If the ABI is frozen with 3.2, it would still be possible to introduce
"wide" hashes - it just will have to be a compatible change.

> The thread seems to show agreement that the hash values should be
> Py_ssize_t but the chance to fix it will be lost unless core devs get 
> more time to work on the problem or unless the ABI freeze is deferred.

I agree in principle, also, but would like to see some analysis on
existing third-party modules.

Regards,
Martin

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[Python-Dev] Locked-in defect? 32-bit hash values on 64-bit builds