From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Thread: 103376,703c4f68db81387d X-Google-Thread: 109fba,703c4f68db81387d X-Google-Thread: 115aec,703c4f68db81387d X-Google-Thread: f43e6,703c4f68db81387d X-Google-Attributes: gid103376,gid109fba,gid115aec,gidf43e6,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news1.google.com!news4.google.com!news.glorb.com!npeer.de.kpn-eurorings.net!news.uni-stuttgart.de!news.belwue.de!news.tu-darmstadt.de!tsicnews.teliasonera.com!news.otenet.gr!news.grnet.gr!newsfd02.forthnet.gr!not-for-mail From: Ioannis Vranos Newsgroups: comp.lang.ada,comp.lang.c++,comp.realtime,comp.software-eng Subject: Re: Teaching new tricks to an old dog (C++ -->Ada) Date: Wed, 23 Mar 2005 11:02:16 +0200 Organization: FORTHnet S.A., Atthidon 4, GR-17671 Kalithea, Greece, Tel: +30 2109559000, Fax: +30 2109559333, url: http://www.forthnet.gr Message-ID: <1111568536.640808@athnrd02> References: <4229bad9$0$1019$afc38c87@news.optusnet.com.au> <1110032222.447846.167060@g14g2000cwa.googlegroups.com> <871xau9nlh.fsf@insalien.org> <3SjWd.103128$Vf.3969241@news000.worldonline.dk> <87r7iu85lf.fsf@insalien.org> <1110052142.832650@athnrd02> <1110284070.410136.205090@o13g2000cwo.googlegroups.com> <395uqaF5rhu2mU1@individual.net> <1110329098.642196@athnrd02> <1110361741.551255@athnrd02> <422edaec$0$26554$9b4e6d93@newsread4.arcor-online.net> <1111464133.508323@athnrd02> <423fe9df$0$11476$9b4e6d93@newsread2.arcor-online.net> <1111524623.705533@athnrd02> <4240937b$0$9215$9b4e6d93@newsread4.arcor-online.net> NNTP-Posting-Host: athnrd02.forthnet.gr Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Trace: athprx02.forthnet.gr 1111568536 29474 193.92.150.73 (23 Mar 2005 09:02:16 GMT) X-Complaints-To: abuse@forthnet.gr NNTP-Posting-Date: Wed, 23 Mar 2005 09:02:16 +0000 (UTC) User-Agent: Mozilla Thunderbird 1.0 (Windows/20041206) X-Accept-Language: en-us, en In-Reply-To: <4240937b$0$9215$9b4e6d93@newsread4.arcor-online.net> Cache-Post-Path: newsfd02!unknown@ppp9-adsl-61.ath.forthnet.gr Xref: g2news1.google.com comp.lang.ada:9776 comp.lang.c++:46776 comp.realtime:1598 comp.software-eng:5199 Date: 2005-03-23T11:02:16+02:00 List-Id: Georg Bauhaus wrote: >> I forgot to say here that the cost of map's operator[] is O(log(n)) >> which is fairly cheap for large amount of data. > > > compare O(log(n)) to O(1) where n is 1, 1000, 1_000_000. > Make this access a part of an inner loop. If you do the maths, you will see that log(10^6) isn't that large. -- Ioannis Vranos http://www23.brinkster.com/noicys