[Python-Dev] Review request: issue 27350, compact ordered dict

Maciej Fijalkowski fijall at gmail.com
Mon Aug 15 02:32:00 EDT 2016


On Mon, Aug 15, 2016 at 6:02 AM, Xavier Combelle
<xavier.combelle at gmail.com> wrote:
>
>
> On 10/08/2016 17:06, Maciej Fijalkowski wrote:
>> * there are nice speedups
>>
> in this blog post
> https://morepypy.blogspot.fr/2015/01/faster-more-memory-efficient-and-more.html
> it is mentioned big speedup only on microbenchmark and small speedups on
> pypy benchmark. is it what you call nice speedups or does there is other
> things ?

Yes, making dictionaries faster by a bit would not give you huge
speedups everywhere. It'll give you a small, measurable speedup a bit
everywhere. This is much better than a lot of things that cpython does
which is a performance win.

Note that there are two PEPs (sorted order in kwargs and sorted order
in class names) which would be superseded by just reviewing this patch
and merging it.

Best regards,
Maciej Fijalkowski


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