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From: craig@BBN.COM (Craig Partridge)
Newsgroups: comp.os.research
Subject: Re: Extremely Fast File Systems
Message-ID: <5596@darkstar.ucsc.edu>
Date: 31 Jul 90 22:59:41 GMT
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In article <5582@darkstar.ucsc.edu> narten@cs.albany.edu (Thomas Narten) writes:
>
>In article <5555@darkstar.ucsc.edu> craig@BBN.COM (Craig Partridge) writes:
>       I've heard the discussions about busses and disk drives before
>   but this is the first time someone's said CPUs will be a problem.
>
>Take a look at John Ousterhout's paper "Why Aren't Operating Systems
>Getting Faster As Fast as Hardware?" in the June USENIX proceedings.
>He reports on a number of benchmarks, and one of his conclusions is
>that memory bandwidth is not keeping up with processor speed in RISC

I've read Ousterhout's paper and don't disagree with it (as far as
I recall).  My sense however is that even though memroy is getting faster
slower than CPUs, when we look at gigabit computing, CPU and memory
speeds, while a nuisance, aren't gonna be problems in the same league
as busses or disks.

Craig