Guido van Rossum <gu...@python.org> added the comment: > Isn't 800 lines of C code too high price for speeding up ABCs creation?
I think it's well worth it. This has long felt as a sore point to me. On Sat, Feb 17, 2018 at 10:27 AM, Ivan Levkivskyi <rep...@bugs.python.org> wrote: > > Ivan Levkivskyi <levkivs...@gmail.com> added the comment: > > > Isn't 800 lines of C code too high price for speeding up ABCs creation? > > 800 lines of C code is not something hard to notice, so I suppose the > answer is obvious for all people involved in the work on PR :-) > > > ...this can save just several milliseconds at start-up. > > The correct way to measure this is relative, not absolute. There are just > few ABCs used by modules loaded at Python start-up, and it already allowed > to save 10% of start-up time. My expectation is that the number will be > similar for a typical Python app. Moreover, `isinstance` and `issubclass` > (functions called often with ABCs) will be 1.5x faster. > > ---------- > > _______________________________________ > Python tracker <rep...@bugs.python.org> > <https://bugs.python.org/issue31333> > _______________________________________ > ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue31333> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
