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Article #23144

Re: PC VS ST

#23144
From: David Baggett
Date: Mon, 25 Jan 1993 06:24
25 lines
1820 bytes
In article <93024.215308SML108@psuvm.psu.edu> <SML108@psuvm.psu.edu> writes:
>And what exactly disqualifies the DSP as a general purpose computer?

It's optimized for a fairly restricted set of operations, that's all.
Yes, it's Turing-equivalent, but that doesn't mean the constant factors
are small.  :)  The point is that while you can do "general purpose"
things on a DSP, you're probably better off doing those things on a CPU
that is optimized for "general purpose" things.  In other words, don't
use your DSP coprocessor for your B-Tree algorithms; your 68030 will
run them faster.

The other issue is, of course, I/O.  The DSP is clearly a big loser for
general purpose I/O (e.g., files and screen RAM) when compared to the
CPU on the motherboard.

>It's going to be a good year for computers.  I'd advise anyone ready to
>upgrade to wait and see what everyone releases this year...

Isn't this always the case?  That's what I love about this industry...

Dave Baggett
__
dmb@ai.mit.edu            Natural Language Processing            MIT AI Lab                                                                                  
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From: dmb@case.ai.mit.edu (David Baggett)
Newsgroups: comp.sys.atari.st
Subject: Re: PC VS ST
Date: 25 Jan 1993 06:24:28 GMT
Organization: MIT Artificial Intelligence Laboratory
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