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- Path: sparky!uunet!mcsun!uknet!ox-prg!culhua.comlab!adrian
- From: adrian@robots.ox.ac.uk (Adrian Cox)
- Newsgroups: comp.sys.atari.st
- Subject: Re: Utterly bizarre idea for Atari
- Message-ID: <ADRIAN.92Aug18142018@percy.robots.ox.ac.uk>
- Date: 18 Aug 92 13:20:18 GMT
- References: <1992Aug17.233720.6633@fcom.cc.utah.edu> <1992Aug18.110632.426@ulrik.uio.no>
- Sender: news@comlab.ox.ac.uk
- Organization: Robotics Research Group, Oxford University
- Lines: 21
- In-reply-to: jarleb@athena.uio.no's message of 18 Aug 92 11:06:32 GMT
-
- In article <1992Aug18.110632.426@ulrik.uio.no> jarleb@athena.uio.no (Jarle Brinchmann) writes:
- Since I have never programmed any parallel processing machines I won't
- make any
- statements concerning the simplicity og lack of it, but those at our
- institute that
- uses Cray, says it's no big deal, nowadays. As long as your program can
- be vectorized
- it should pose no big trouble. I'm talking here about scientific
- calculations,
- I guess Word-procs should be a bit worse.
- Jarle.
-
- Vectorising is a technique for speeding large chunks of arithmetic,
- such as matrix addition. The Cray supercomputer is designed for large
- number crunching, and does it very well. What I have not heard of is
- a parallel architecture good for interactive programs such as word
- processors and art packages. Though these could be split between
- several processors, I don't know of any useful way to make them scale
- so that doubling the number of processors doubles the performance.
-
- - Adrian
-