Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > comp.lang.python > #32146
| Path | csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!multikabel.net!newsfeed20.multikabel.net!news2.euro.net!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail |
|---|---|
| Return-Path | <python-python-list@m.gmane.org> |
| X-Original-To | python-list@python.org |
| Delivered-To | python-list@mail.python.org |
| X-Spam-Status | OK 0.003 |
| X-Spam-Evidence | '*H*': 0.99; '*S*': 0.00; 'pep': 0.09; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'subject:Python3': 0.09; 'subject:set': 0.09; 'bitwise': 0.16; 'foul': 0.16; 'oct': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'subject:bit': 0.16; 'think?': 0.16; 'wrote:': 0.17; '>>>': 0.18; 'meant': 0.21; 'operations.': 0.22; 'header:In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; 'am,': 0.27; 'header:X-Complaints-To:1': 0.28; 'chris': 0.28; 'clever': 0.29; "d'aprano": 0.29; 'steven': 0.29; 'no,': 0.29; 'fri,': 0.30; 'from:addr:yahoo.co.uk': 0.32; 'to:addr:python- list': 0.33; 'another': 0.33; 'faster': 0.35; 'pm,': 0.35; 'received:org': 0.36; 'skip:4 10': 0.37; 'subject:: ': 0.38; 'mark': 0.38; 'to:addr:python.org': 0.39; 'header:Received:5': 0.40; 'times': 0.63; 'six': 0.65; '26,': 0.65; '600': 0.71; 'rusi': 0.91 |
| X-Injected-Via-Gmane | http://gmane.org/ |
| To | python-list@python.org |
| From | Mark Lawrence <breamoreboy@yahoo.co.uk> |
| Subject | Re: bit count or bit set && Python3 |
| Date | Thu, 25 Oct 2012 17:44:11 +0100 |
| References | <5089511E.4090009@earthlink.net> <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> |
| Mime-Version | 1.0 |
| Content-Type | text/plain; charset=ISO-8859-1; format=flowed |
| Content-Transfer-Encoding | 7bit |
| X-Gmane-NNTP-Posting-Host | host-78-147-17-218.as13285.net |
| User-Agent | Mozilla/5.0 (Windows NT 6.0; rv:16.0) Gecko/20121010 Thunderbird/16.0.1 |
| In-Reply-To | <CAPTjJmpxgphEXDBgbgDjN+uB2dz5MJ+tv06fniDfsE+UX6p6ww@mail.gmail.com> |
| X-Antivirus | avast! (VPS 121025-1, 25/10/2012), Outbound message |
| X-Antivirus-Status | Clean |
| X-BeenThere | python-list@python.org |
| X-Mailman-Version | 2.1.15 |
| Precedence | list |
| List-Id | General discussion list for the Python programming language <python-list.python.org> |
| List-Unsubscribe | <http://mail.python.org/mailman/options/python-list>, <mailto:python-list-request@python.org?subject=unsubscribe> |
| List-Archive | <http://mail.python.org/pipermail/python-list/> |
| List-Post | <mailto:python-list@python.org> |
| List-Help | <mailto:python-list-request@python.org?subject=help> |
| List-Subscribe | <http://mail.python.org/mailman/listinfo/python-list>, <mailto:python-list-request@python.org?subject=subscribe> |
| Newsgroups | comp.lang.python |
| Message-ID | <mailman.2855.1351183324.27098.python-list@python.org> (permalink) |
| Lines | 27 |
| NNTP-Posting-Host | 2001:888:2000:d::a6 |
| X-Trace | 1351183324 news.xs4all.nl 6865 [2001:888:2000:d::a6]:58010 |
| X-Complaints-To | abuse@xs4all.nl |
| Xref | csiph.com comp.lang.python:32146 |
Show key headers only | View raw
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.
Back to comp.lang.python | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
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
csiph-web