Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!1.eu.feeder.erje.net!feeds.phibee-telecom.net!newsfeed.xs4all.nl!newsfeed1a.news.xs4all.nl!xs4all!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 0.002 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'cpython': 0.05; 'received:80.91': 0.09; 'received:80.91.229': 0.09; 'received:gmane.org': 0.09; 'received:list': 0.09; 'way:': 0.09; 'python': 0.11; 'jan': 0.12; 'circumvent': 0.16; 'received:80.91.229.3': 0.16; 'received:plane.gmane.org': 0.16; 'reedy': 0.16; 'xrange': 0.16; 'wrote:': 0.18; 'memory': 0.22; 'header:User-Agent:1': 0.23; 'header:X-Complaints-To:1': 0.27; 'header:In-Reply-To:1': 0.27; '3.x': 0.31; 'claiming': 0.31; 'used,': 0.33; 'problem': 0.35; 'case,': 0.35; 'there': 0.35; 'to:addr:python-list': 0.38; 'pm,': 0.38; 'to:addr:python.org': 0.39; 'received:org': 0.40; 'range': 0.61; 'more': 0.64; 'received:fios.verizon.net': 0.84 X-Injected-Via-Gmane: http://gmane.org/ To: python-list@python.org From: Terry Reedy Subject: Re: l = range(int(1E9)) Date: Thu, 30 Apr 2015 13:02:47 -0400 References: <87k2wtvbx1.fsf@Equus.decebal.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Gmane-NNTP-Posting-Host: pool-98-114-97-173.phlapa.fios.verizon.net User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 In-Reply-To: <87k2wtvbx1.fsf@Equus.decebal.nl> X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.20+ 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: 20 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1430413382 news.xs4all.nl 2959 [2001:888:2000:d::a6]:39998 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:89643 On 4/30/2015 12:06 PM, Cecil Westerhof wrote: > If I execute: > l = range(int(1E9) you get a SyntaxError > The python process gobbles up all the memory and is killed. The > problem is that after this my swap is completely used, because other > processes have swapped to it. This make those programs more slowly. Is > there a way to circumvent Python claiming all the memory? For this specific case, use xrange or 3.x range > By the way: this is CPython 2.7.8. -- Terry Jan Reedy