[pypy-dev] testing floating point

Maciej Fijalkowski fijall at gmail.com
Fri Feb 4 07:41:07 CET 2011


On Thu, Feb 3, 2011 at 6:15 PM, Stefan Behnel <stefan_ml at behnel.de> wrote:
> Maciej Fijalkowski, 03.02.2011 11:14:
>> On Thu, Feb 3, 2011 at 11:56 AM, Fredrik Johansson wrote:
>>> On Thu, Feb 3, 2011 at 8:01 AM, Maciej Fijalkowski wrote:
>>>> * Use list comprehension instead of generator expression.
>>>
>>> I hope PyPy can do more in the future to speed up generator expressions.
>>
>> It doesn't speed up things by much. Yeah, I can imagine we can improve
>> on this, but it's also a bit hard.
>
> Does PyPy generate inlined looping code for them if applicable?
>
> (e.g. for any(), all(), sum(), sorted(), ...)

We don't inline generator expr. The reason is that it's hard to judge
when generator frame escapes. We can probably do something with it,
but it's not done yet.

>
> Stefan
>
> _______________________________________________
> pypy-dev at codespeak.net
> http://codespeak.net/mailman/listinfo/pypy-dev
>



More information about the Pypy-dev mailing list