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: a07f3367d7,d541063ff843658f X-Google-Attributes: gida07f3367d7,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII-7-bit X-Received: by 10.180.183.135 with SMTP id em7mr1901115wic.0.1362421413334; Mon, 04 Mar 2013 10:23:33 -0800 (PST) Path: bp2ni72442wib.1!nntp.google.com!feeder1.cambriumusenet.nl!82.197.223.103.MISMATCH!feeder3.cambriumusenet.nl!feed.tweaknews.nl!194.109.133.86.MISMATCH!newsfeed.xs4all.nl!newsfeed3.news.xs4all.nl!xs4all!border4.nntp.ams.giganews.com!border2.nntp.ams.giganews.com!border3.nntp.ams.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!news.thorslund.org!news.jacob-sparre.dk!hugin.jacob-sparre.dk!nuzba.szn.dk!pnx.dk!eternal-september.org!feeder.eternal-september.org!mx05.eternal-september.org!.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Parallel_Simulation Date: Mon, 25 Feb 2013 21:04:01 +0000 Organization: A noiseless patient Spider Message-ID: References: Mime-Version: 1.0 Injection-Info: mx05.eternal-september.org; posting-host="72a7bb6120f61bc7749e29c9c2e535af"; logging-data="26693"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18y32YIPABRWnBIdv5HUPWl2kRnkLryxes=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2 (darwin) Cancel-Lock: sha1:2PPGcgmbGmiKZTtS5A8VL0pvZwg= sha1:xItNeVhbg7effxeXq1LGnmUyp8w= Content-Type: text/plain Date: 2013-02-25T21:04:01+00:00 List-Id: Vincent LAFAGE writes: > But different seeds will in the end be different starting points along > the same sequence (well, at least for congruential generators, I still > have to confirm it for Mersenne Twister algorithm that is used). And > this would in turn lead to fine correlations between the sequences. That will be true whether you initialize with 1,2,3... or with clock values. The only way to get truly different PRNGs must be to use different algorithms, surely?