On Thu, 11 Feb 2016 18:16:23 -0500 Yury Selivanov <yselivanov...@gmail.com> wrote: > > > >> Yes, spectral_norm is micro-benchmark, but still, there is a lot of > >> python code out there that does some calculation in pure Python not > >> involving numpy or pypy. > > Can you clarify "a lot"? > > Any code that occasionally uses "int [op] int" code. That code becomes > faster (especially if it's small ints). In tight loops significantly > faster (that's what spectral_norm is doing).
I agree for int addition, subtraction, perhaps multiplication. General math on small integers is not worth really improving, though, IMO. (and I don't think spectral_norm is representative of anything) > Look at the pillow package, for instance [1] -- just one of the first > packages I thought of -- something non-scientific that happens to do > some calculations here and there. Uh ? I would be extremely surprised if pillow processed images in pure Python. Regards Antoine. _______________________________________________ Speed mailing list Speed@python.org https://mail.python.org/mailman/listinfo/speed
