Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!feeder.news-service.com!news2.euro.net!newsfeed.xs4all.nl!newsfeed6.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.006 X-Spam-Evidence: '*H*': 0.99; '*S*': 0.00; 'terry': 0.07; 'python': 0.08; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:80.91.229.12': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'received:lo.gmane.org': 0.09; 'am,': 0.14; 'wrote:': 0.14; 'reedy': 0.16; 'thinking.': 0.16; 'algorithm': 0.16; 'seconds': 0.16; 'writes:': 0.19; 'jan': 0.20; 'header:In- Reply-To:1': 0.21; 'posted': 0.25; 'paul': 0.28; 'problem': 0.28; 'adequate': 0.29; 'subject:How': 0.30; '2001,': 0.30; 'web.': 0.32; 'header:X-Complaints-To:1': 0.32; 'to:addr:python-list': 0.33; 'project': 0.33; 'header:User-Agent:1': 0.35; 'using': 0.35; 'problems': 0.36; 'probably': 0.36; 'running': 0.37; 'takes': 0.37; 'received:org': 0.38; 'subject:can': 0.38; 'though': 0.38; 'subject:: ': 0.38; 'header:Mime-Version:1': 0.39; 'to:addr:python.org': 0.39; 'best': 0.60; 'limit': 0.65; 'contrary': 0.67; 'programs,': 0.80; 'machine,': 0.84; 'subject:over': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Terry Reedy Subject: Re: How can I speed up a script that iterates over a large range (600 billion)? Date: Wed, 22 Jun 2011 18:46:15 -0400 References: <7x7h8eivkf.fsf@ruckus.brouhaha.com> <7xmxhabfcv.fsf@ruckus.brouhaha.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: rain.gmane.org User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.17) Gecko/20110414 Lightning/1.0b2 Thunderbird/3.1.10 In-Reply-To: <7xmxhabfcv.fsf@ruckus.brouhaha.com> X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 19 NNTP-Posting-Host: 82.94.164.166 X-Trace: 1308783688 news.xs4all.nl 14150 [::ffff:82.94.164.166]:35903 X-Complaints-To: abuse@xs4all.nl Xref: x330-a1.tempe.blueboxinc.net comp.lang.python:8247 On 6/22/2011 1:32 AM, Paul Rubin wrote: > Terry Reedy writes: >> If the best C program for a problem takes 10 seconds or more, then >> applying the same 1 minute limit to Python is insane, and contrary to >> the promotion of good algorithm thinking. > The Euler problems are not the only algorithm problems posted on the web. > the Euler project started in 2001, when personal computers were probably > 10x slower than they are today. Yes, and I am still using a 2003 XP/Athlon machine, which is adequate for running my Python programs, though not recent games. -- Terry Jan Reedy