Antoine Pitrou added the comment: Updated patch, also optimizing v6 netmask parsing (same principle).
Before patch: $ ./python -m timeit -s "import ipaddress" "net = ipaddress.IPv6Network(('2001:db8::', 96))" 10000 loops, best of 3: 26.1 usec per loop $ ./python -m timeit -s "import ipaddress" "net = ipaddress.IPv4Network(('10.0.0.0', 23))" 100000 loops, best of 3: 17 usec per loop After patch: $ ./python -m timeit -s "import ipaddress" "net = ipaddress.IPv6Network(('2001:db8::', 96))" 100000 loops, best of 3: 13.8 usec per loop $ ./python -m timeit -s "import ipaddress" "net = ipaddress.IPv4Network(('10.0.0.0', 23))" 100000 loops, best of 3: 14.3 usec per loop ---------- title: optimize v4 netmask parsing -> optimize v4 & v6 netmask parsing Added file: http://bugs.python.org/file35232/netmask.patch _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue21486> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com