Planning a Python Course for Beginners

[Gregory Ewing]

Steve D'Aprano wrote:
> On Thu, 10 Aug 2017 07:00 pm, Peter Otten wrote:
> 
>>    /* bottom 3 or 4 bits are likely to be 0; rotate y by 4 to avoid
>>       excessive hash collisions for dicts and sets */
> 
> which I think agrees with my comment: using the id() itself would put too many
> objects in the same bucket (i.e. too many collisions).

I suspect this is more of a minor performance tweak than a vital
issue. Otherwise it would mean that dict's algorithm for
assigning items to buckets based on the hash isn't all that
great.

-- 
Greg