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Article #4949

Re: Software Technology is NOT Primitive

#4949
From: bpendlet
Date: Tue, 27 Oct 1987 16:54
27 lines
1796 bytes
in article <36KEN@ORION>, KEN@ORION.BITNET (Kenneth Ng) says:
> hardware today, try adding LRU caching, address lookaside buffers,
> I/O processors, massive error detection and correction logic, ethernet
> and other communication technology, paging, the entire virtual memory
> schemes on a lot of machines, etc., etc, etc.

> Kenneth Ng: ken@orion.bitnet

Why compare hardware and software at all? Its like comparing roads and cars.
Cars even run on roads, much like software runs on hardware. ( Forgive the
awful analogy. It is deliberately obsurd. ) Even though they affect each 
others development, the technologies are very different.

Look at LRU caching and paging. This technique depends on a statistical 
property of programs in general, but to get maximum performance from a
given machine a programmer needs detailed knowledge of its implementation
on that specific machine.

Two very different technologies. Two very different points of view.
Two different cultural heritages.

		Bob P.
-- 
Bob Pendleton @ Evans & Sutherland
UUCP Address:  {decvax,ucbvax,ihnp4,allegra}!decwrl!esunix!bpendlet
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        I am solely responsible for what I say.
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!rutgers!im4u!ut-sally!utah-cs!utah-gr!uplherc!esunix!bpendlet
References: <36KEN@ORION>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!rutgers!im4u!ut-sally!utah-cs!utah-gr!uplherc!esunix!bpendlet
From: bpendlet@esunix.UUCP
Newsgroups: comp.lang.misc,comp.software-eng
Subject: Re: Software Technology is NOT Primitive
Message-ID: <544@esunix.UUCP>
Date: Tue, 27-Oct-87 11:54:08 EST
Article-I.D.: esunix.544
Posted: Tue Oct 27 11:54:08 1987
Date-Received: Sun, 1-Nov-87 01:42:05 EST
References: <36KEN@ORION>
Organization: Evans & Sutherland, Salt Lake City, Utah
Lines: 27