New submission from INADA Naoki: (original thread is https://mail.python.org/pipermail/python-list/2017-March/720391.html)
https://github.com/python/cpython/commit/4897300276d870f99459c82b937f0ac22450f0b6 this commit doubles sizeof set object created by set_merge(). It is used by constructor of set and frozenset. $ /usr/bin/python3 Python 3.5.2+ (default, Sep 22 2016, 12:18:14) [GCC 6.2.0 20160927] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> s = set(range(10)) >>> sys.getsizeof(frozenset(s)) 736 $ python3 Python 3.6.0 (default, Dec 30 2016, 20:49:54) [GCC 6.2.0 20161005] on linux Type "help", "copyright", "credits" or "license" for more information. >>> import sys >>> s = set(range(10)) >>> sys.getsizeof(frozenset(s)) 1248 ---------- components: Interpreter Core keywords: 3.6regression messages: 290868 nosy: inada.naoki, rhettinger priority: normal severity: normal status: open title: sizeof set after set_merge() is doubled from 3.5 versions: Python 3.6, Python 3.7 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue29949> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
