On Tue, Dec 17, 2013 at 7:21 PM, Brett Cannon <br...@python.org> wrote: > Maybe someone from PyPy should bring this up as an official topic at the > language summit to figure out the blockers (again). Or it can join regex on > the list of "module discussed for addition at the language summit but never > quite pushed to commitment". =)
we're still working on resolving discussed issues before officially proposing it for inclusion. > > > On Tue, Dec 17, 2013 at 11:43 AM, Stefan Krah <ste...@bytereef.org> wrote: >> >> Maciej Fijalkowski <fij...@gmail.com> wrote: >> > I would like to discuss on the language summit a potential inclusion >> > of cffi[1] into stdlib. This is a project Armin Rigo has been working >> > for a while, with some input from other developers. >> >> I've tried cffi (admittedly only in a toy script) and find it very nice >> to use. >> >> Here's a comparison (pi benchmark) between wrapping libmpdec using a >> C-extension (_decimal), cffi and ctypes: >> >> >> +-------------------------------+----------+----------+---------+ >> | | _decimal | ctypes | cffi | >> +===============================+==========+==========+=========+ >> | cpython-tip (with-system-ffi) | 0.19s | 5.40s | 5.14s | >> +-------------------------------+----------+----------+---------+ >> | cpython-2.7 (with-system-ffi) | n/a | 4.46s | 5.18s | >> +-------------------------------+----------+----------+---------+ >> | Ubuntu-cpython-2.7 | n/a | 3.63s | - | >> +-------------------------------+----------+----------+---------+ >> | pypy-2.2.1-linux64 | n/a | 125.9s | 0.94s | >> +-------------------------------+----------+----------+---------+ >> | pypy3-2.1-beta1-linux64 | n/a | 264.9s | 2.93s | >> +-------------------------------+----------+----------+---------+ >> >> >> I guess the key points are that C-extensions are hard to beat and that >> cffi performance on pypy-2 is outstanding. Additionally it's worth noting >> that Ubuntu does something in their Python build that we should do, too. >> >> >> +1 for cffi in the stdlib. >> >> >> >> Stefan Krah >> >> >> >> _______________________________________________ >> Python-Dev mailing list >> Python-Dev@python.org >> https://mail.python.org/mailman/listinfo/python-dev >> Unsubscribe: >> https://mail.python.org/mailman/options/python-dev/brett%40python.org > > > > _______________________________________________ > Python-Dev mailing list > Python-Dev@python.org > https://mail.python.org/mailman/listinfo/python-dev > Unsubscribe: > https://mail.python.org/mailman/options/python-dev/fijall%40gmail.com > _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
