On 09/15/2016 08:02 AM, Raymond Hettinger wrote:
Eric is correct on this one. The consecutive hashes make a huge difference for Python 3.5. While there is a table full table scan, the check for NULL entries becomes a predictable branch when all the keys are in consecutive positions. There is an astonishingly well written stack overflow post that explains this effect clearly: http://stackoverflow.com/questions/11227809
Thanks for that. Very good answer. -- ~Ethan~ _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
