New submission from Serhiy Storchaka: There is 10% performance regression in calling functools.partial() in 3.6.
$ ./python -m perf timeit -s 'from functools import partial; f = lambda x, y: None; g = partial(f, 1)' -- 'g(2)' Python 3.5: Median +- std dev: 452 ns +- 25 ns Python 3.6: Median +- std dev: 491 ns +- 12 ns ---------- components: Interpreter Core messages: 277176 nosy: haypo, serhiy.storchaka priority: normal severity: normal status: open title: Performance regression in functools.partial() type: performance versions: Python 3.6, Python 3.7 _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue28243> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com