Tuom Larsen wrote: > Dear list! > > I noticed that integer division (`//`) is slower than floating-point > division and integer cast. For example: > > from __future__ import division > from time import time > t = time() > for i in range(1, 10000): > for j in range(1, 10000): > # k = i//j # 2.12 seconds > k = int(i/j) # 0.98 seconds > print time() - t > > I now integer division should be slower, but I thought that the > `int()` would make floating division even slower. > > Please, can someone explain what is going on? Is this expected behaviour? > > Thank you!
I don't know about behavior in pypy, but in terms of basic CPU performance, my understanding is that this is expected. _______________________________________________ pypy-dev mailing list pypy-dev@python.org https://mail.python.org/mailman/listinfo/pypy-dev
