[issue5186] Reduce hash collisions for objects with no __hash__ method

[Antoine Pitrou]

Antoine Pitrou <pitrou at free.fr> added the comment:

Le mercredi 11 février 2009 à 03:31 +0000, Adam Olsen a écrit :
> 
> .. although, if I replace object() with list() I get best results with a
> shift of 6 bits.  Replacing it with dict() is best with 8 bits.

But list() and dict() don't use id() for hash.

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<http://bugs.python.org/issue5186>
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