[issue25106] Hash computation speedup for {buffer, string, unicode}object

[Alecsandru Patrascu]

Alecsandru Patrascu added the comment:

This patch is not applicable to Python 3, as it already has a better hash function and has the same unrolling technique applied. 

As Brett well observed, it is a backport of an optimization technique used in Python 3, applied to the existing hash function in 2.7.

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue25106>
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