Article View: comp.arch
Article #1878Re: John von Neumann, sqrt instr
From: Mark G. Johnson
Date: Thu, 17 Aug 1989 17:46
Date: Thu, 17 Aug 1989 17:46
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1106 bytes
In article <21353@cup.portal.com> mmm@cup.portal.com (Mark Robert Thorson) writes:
>I remember reading in an old AFIPS paper that von Neumann believed
>computers of the future would all have the SQRT instruction, because of
>the importance of square root in coordinate geometry.
Several of the RISC camps, armed with gigabytes of traces and simulation
results, have decided to include FP square root as well. I suspect it is
because of the importance of square root in computing the width of the
depletion layer at a semiconductor junction.
--
-- Mark Johnson
MIPS Computer Systems, 930 E. Arques, Sunnyvale, CA 94086
...!decwrl!mips!mark (408) 991-0208
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!ames!vsi1!wyse!mips!mark From: mark@mips.COM (Mark G. Johnson) Newsgroups: comp.arch Subject: Re: John von Neumann, sqrt instr Message-ID: <25643@obiwan.mips.COM> Date: 17 Aug 89 17:46:02 GMT References: <21353@cup.portal.com> Reply-To: mark@mips.COM (Mark G. Johnson) Distribution: usa Organization: MIPS Computer Systems, Sunnyvale, CA Lines: 13