Article View: comp.lang.misc
Article #2230Re: Sorting
From: Dan Bernstein
Date: Mon, 26 Nov 1990 17:21
Date: Mon, 26 Nov 1990 17:21
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In article <4373@goanna.cs.rmit.oz.au> ok@goanna.cs.rmit.oz.au (Richard A. O'Keefe) writes: > However, the absolute *minimum* is obviously that each > tape must be located, put in a drive, removed from the drive, and restored > to its place. Say 5--10 minutes of handling time. We're talking about an > absolute minimum of somewhere around 25 man-weeks of "operator" time just > to read each record once. Yes. In my analysis I assumed a reasonable number of operators to load the tape farm at the right times. This was a significant fraction of the $1000000 cost---after all, the real cost for one person is about $100K a year. ---Dan
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!samsung!uakari.primate.wisc.edu!uflorida!haven!adm!cmcl2!kramden.acf.nyu.edu!brnstnd From: brnstnd@kramden.acf.nyu.edu (Dan Bernstein) Newsgroups: comp.lang.misc Subject: Re: Sorting Message-ID: <13102:Nov2617:21:4790@kramden.acf.nyu.edu> Date: 26 Nov 90 17:21:47 GMT References: <11628@alice.att.com> <4373@goanna.cs.rmit.oz.au> Organization: IR Lines: 13