On Tue, Nov 19, 2019, 22:30 Miro Hrončok <mhroncok@redhat.com> wrote:
On 19. 11. 19 21:55, Fabio Valentini wrote:
> On Tue, Nov 19, 2019 at 8:32 PM Miro Hrončok <mhroncok@redhat.com> wrote:
>>
>> On 19. 11. 19 20:20, Adam Jackson wrote:
>>> In the spirit of positivity and collaboration, I spent a few minutes
>>> looking at the results given to try to find some easy wins. Here's what
>>> I found:
>>>
>>> python3-libs ships multiple copies of its pyc files, corresponding to
>>> different optimization levels. I don't know what a good packaging
>>> solution to that would look like, but if we only shipped the -O2 kind
>>> (which seems appropriate for minimization, as they're smallest) we
>>> could drop about 13M out of 32M, which seems pretty great.
>>
>> Note that it would make more sense to drop the optimized ones, as most of our
>> packages invoke Python without -O or -OO.
>>
>> It would certainly need more planning and figuring out what shall happen if the
>> optimized bytecode is not there and users actually run Python with -O or -OO,
>> but we can discusses that if you want.
>
> I wonder, does running python programs with -O2 actually yield
> noticeably better performance?
> If that's the case, maybe we could discuss setting -O2 as a
> distro-wide default setting?

It drops asserts and docstrings. Some code require both to function, hence
defaulting to this would be dangerous.

Yeah I guess so :D
Thanks for the clarification!


--
Miro Hrončok
--
Phone: +420777974800
IRC: mhroncok
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