[Python-Dev] More compact dictionaries with faster iteration
Mark Shannon
mark at hotpy.org
Mon Dec 10 10:06:51 CET 2012
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.
More information about the Python-Dev
mailing list