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Article #10833

Re: Superscalar vs. multiple CPUs ?

#10833
From: John D. McCalpin
Date: Wed, 23 Dec 1992 20:32
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In article <Bzpzwq.18q@news.udel.edu> mccalpin@perelandra.cms.udel.edu (John D. McCalpin) writes:
>Although I don't think it was ever done, the world's fastest text
>editor could probably have been written for the ETA-10, which had a
>bewildering variety of instructions for copying and searching chunks of
>its bit-addressable memory at vector speeds.   The Cray machines could
>be competitive, but the lack of byte addressability makes working with
>text awkward and relatively slow.

I have been corrected on this last point by some friendly Cray-persons.
After hearing their explanations of how many of the C library string
handling routines have been vectorized, I still contend that it is
awkward, but now see that it need not be slow....
-- 
--
John D. McCalpin                        mccalpin@perelandra.cms.udel.edu
Assistant Professor                     mccalpin@brahms.udel.edu
College of Marine Studies, U. Del.      John.McCalpin@mvs.udel.edu
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From: mccalpin@perelandra.cms.udel.edu (John D. McCalpin)
Subject: Re: Superscalar vs. multiple CPUs ?
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Organization: College of Marine Studies, U. Del.
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Date: Wed, 23 Dec 1992 20:32:23 GMT
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