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Groups > comp.lang.python > #32146
| From | Mark Lawrence <breamoreboy@yahoo.co.uk> |
|---|---|
| Subject | Re: bit count or bit set && Python3 |
| Date | 2012-10-25 17:44 +0100 |
| References | (1 earlier) <k6bllq$3gt$1@ger.gmane.org> <mailman.2849.1351179123.27098.python-list@python.org> <50896152$0$29978$c3e8da3$5496439d@news.astraweb.com> <41338e78-a3d9-4ab6-ab53-79ded90411c6@vy11g2000pbb.googlegroups.com> <CAPTjJmpxgphEXDBgbgDjN+uB2dz5MJ+tv06fniDfsE+UX6p6ww@mail.gmail.com> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.2855.1351183324.27098.python-list@python.org> (permalink) |
On 25/10/2012 17:29, Chris Angelico wrote: > On Fri, Oct 26, 2012 at 3:17 AM, rusi <rustompmody@gmail.com> wrote: >> On Oct 25, 8:57 pm, Steven D'Aprano <steve >> +comp.lang.pyt...@pearwood.info> wrote: >>> py> min(t.repeat(number=10000, repeat=7)) >>> 0.6819710731506348 >>> py> min(t.repeat(number=100, repeat=7)) >>> 4.141788959503174 >>> >>> That makes the "inelegant" solution using bin() and count() about 600 >>> times faster than the mathematically clever solution using bitwise >>> operations. >> >> You meant 600% I think? > > It took six times longer to do one hundredth the iterations. > > ChrisA > Oh no, not another PEP 393 foul up :) -- Cheers. Mark Lawrence.
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Re: bit count or bit set && Python3 Chris Angelico <rosuav@gmail.com> - 2012-10-26 02:31 +1100
Re: bit count or bit set && Python3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-25 15:57 +0000
Re: bit count or bit set && Python3 rusi <rustompmody@gmail.com> - 2012-10-25 09:17 -0700
Re: bit count or bit set && Python3 Chris Angelico <rosuav@gmail.com> - 2012-10-26 03:29 +1100
Re: bit count or bit set && Python3 rusi <rustompmody@gmail.com> - 2012-10-25 09:37 -0700
Re: bit count or bit set && Python3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-25 17:44 +0100
Re: bit count or bit set && Python3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-25 17:16 +0000
Re: bit count or bit set && Python3 Serhiy Storchaka <storchaka@gmail.com> - 2012-10-25 22:07 +0300
Re: bit count or bit set && Python3 Neil Cerutti <neilc@norwich.edu> - 2012-10-25 20:00 +0000
Re: bit count or bit set && Python3 Neil Cerutti <neilc@norwich.edu> - 2012-10-25 20:04 +0000
Re: bit count or bit set && Python3 Ian Kelly <ian.g.kelly@gmail.com> - 2012-10-25 14:20 -0600
Re: bit count or bit set && Python3 Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-10-25 23:48 +0000
Re: bit count or bit set && Python3 Neil Cerutti <neilc@norwich.edu> - 2012-10-26 12:56 +0000
Re: bit count or bit set && Python3 Charles Hixson <charleshixsn@earthlink.net> - 2012-10-25 09:08 -0700
Re: bit count or bit set && Python3 Mark Lawrence <breamoreboy@yahoo.co.uk> - 2012-10-25 22:51 +0100
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