[Python-Dev] More compact dictionaries with faster iteration

[Mark Shannon]

On 10/12/12 01:44, Raymond Hettinger 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.
>
> Instead, the 24-byte entries should be stored in a
> dense table referenced by a sparse table of indices.

What minimum size and resizing factor do you propose for the entries array?

Cheers,
Mark.