On Mon, 4 Dec 2017 19:37:02 +0000 Barry Scott <ba...@barrys-emacs.org> wrote: > I wondered what the performance would be and tested the following code: > [...] > > it outputs this for my with python 3.6.0 > > 10000 > key 0.010628s 10000 calls > lt 0.053690s 119886 calls > > It seems that providing a key is ~5 times faster the depending on __lt__. > (I even used a short circuit to se if __lt__ could beat key).
Thanks for taking the time to write a benchmark. I'm not surprised by the results (and your __lt__ method isn't even complicated: the gap could be very much wider). There is more to Python performance than aggregate big-O algorithmic complexity. Regards Antoine. _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/