INADA Naoki <songofaca...@gmail.com> added the comment: > * When dict size become 0, make the dict shared-empty, like dict.clear()
This will cause significant performance regression for `dict[a]=None; del dict[a]` loop. del/pop shouldn't do clear(). > * When (dict size < dk_size/8), call insertion_resize() This is bad too. When ma_used=127 and dk_size=1024, new size will be 1024! It's because current GROWTH_RATE is used*2 + size/2. This GROWTH_RATE is set in issue17563. We should understand it before changing anything. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue32623> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
