Article View: comp.sys.intel
Article #2072Re: FDIV bug in Pentium chips!!!
From: Baraa Basata
Date: Sun, 04 Dec 1994 14:58
Date: Sun, 04 Dec 1994 14:58
18 lines
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1765 bytes
Stephen@vollans.demon.co.uk (Stephen M Baines) writes: >In article <3bl9af$jlp@xap.xyplex.com>, <dlaskey@xyplex.com> wrote: >>By the way...If you do any serious number crunching and use 256 in your >>calculations such as cell A1 (4195835 * 256) >> cell A2 (3145727 / 256) >> cell A3 =a1/a2 >>You are boned. The Pentium will give the result 87407.92362 >>Acual answer is 87413.2569 >> >>Hmmmmmm The error is to the LEFT of the decimal point. These Chips Suck! >Makes me happy, maybe the Pentium is a fast chip, but at least my 386 can >add. Another good reason for me not to upgrade! Well, the Pentium shouldn't have too much trouble adding. From what I hear, only floating point division (the FDIV instruction) is afflicted.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 1060e8,801e5b8fdb9b9e2a X-Google-Attributes: gid1060e8,public X-Google-Thread: f4886,801e5b8fdb9b9e2a X-Google-Attributes: gidf4886,public X-Google-Thread: 110292,51728458e3fef8c7 X-Google-Attributes: gid110292,public X-Google-ArrivalTime: 1994-12-04 07:01:11 PST Path: arc1-ca.pugleaf.net!bga.com!news.sprintlink.net!howland.reston.ans.net!gatech!newsxfer.itd.umich.edu!umcc.umich.edu!not-for-mail From: bsb@umcc.umcc.umich.edu (Baraa Basata) Newsgroups: comp.sys.intel,bionet.molec-model,sci.chem Subject: Re: FDIV bug in Pentium chips!!! Date: 4 Dec 1994 09:58:04 -0500 Organization: UMCC, Ann Arbor, MI Lines: 20 Message-ID: <3bslds$89u@umcc.umcc.umich.edu> References: <3b2msv$10pj@quartz.ucs.ualberta.ca> <3bl9af$jlp@xap.xyplex.com> <3bo1qf$3j2@news.iastate.edu> <786539876snz@vollans.demon.co.uk> NNTP-Posting-Host: umcc.umcc.umich.edu X-Newsreader: NN version 6.5.0 #1 (NOV)