[issue16427] Faster hash implementation

[Antoine Pitrou]

Antoine Pitrou added the comment:

> pybench and perf.py can be used to measure performances of the patch.
> The speedup may not be detected, but a slowdown would be detected at
> least.

The slowdown would only occur for specific, well-chosen patterns. Also it may make DoS attacks easier.
(remember the reason we randomized hashes is so that it's hard for attackers to find collisions)

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<http://bugs.python.org/issue16427>
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