[Python-Dev] More compact dictionaries with faster iteration

Stefan Drees stefan at drees.name
Wed May 15 14:01:31 CEST 2013

Hi Chris,

On 15.05.13 13:32 Christian Tismer wrote:
> Hi Raymond,
> On 08.01.13 15:49, Maciej Fijalkowski wrote:
>> On Mon, Dec 10, 2012 at 3:44 AM, Raymond Hettinger
>> <raymond.hettinger at gmail.com> wrote:
>>> The current memory layout for dictionaries is
>>> unnecessarily inefficient.  It has a sparse table of
>>> 24-byte entries containing the hash value, key pointer,
>>> and value pointer.
>>> ...
> What is the current status of this discussion?
> I'd like to know whether it is a considered alternative implementation.
> There is also a discussion in python-ideas right now where this
> alternative is mentioned, and I think especially for small dicts
> as **kwargs, it could be a cheap way to introduce order.
> Is this going on, somewhere? I'm quite interested on that.

+1 I am also interested on the status. Many people seemed to have copied 
the recipe from the activestate site (was it?) but I wonder if it maybe 
was to cool to be progressed into "the field" or simply some 
understandable lack of resources?

All the best,

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