Article View: comp.arch
Article #12725Re: I/O benchmarks
From: Rich Morin
Date: Mon, 17 Nov 1986 22:32
Date: Mon, 17 Nov 1986 22:32
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1624 bytes
In article <2657@princeton.UUCP>, park@princeton.UUCP (Arvin Park) writes:
>
> I am assembling a collection of benchmarks to measure I/O system
> performance. ... I welcome any contributions, suggestions, and words
> of wisdom or code if you have it.
Steve Wallach (of Convex) was interviewed in the November, 1985 issue of
UNIX Review. He told the following, possibly relevant, story:
... With all this physical memory {>100 MB}, we can make the
disk cache as big as we like, so whenever we run up against
I/O benchmarks, we just define a disk cache large enough to
keep us from having to go out to disk. As a result, our
machines have screamed through benchmarks. Some people cry,
"Foul! That's not a fair benchmark because I can't do that
on my VAX" -- to which, of course, we respond, "Right". Then
we smile and don't say anything more.
--
Richard Morin, proprietor {hoptoad,leadsv,lll-lcc}!cfcl!rdm
Canta Forda Computer Lab. +1 415 994 6860
Post Office Box 1488 Full spectrum consulting services
Pacifica, CA 94044 USA for science and engineering.
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!husc6!rutgers!lll-crg!hoptoad!rdm From: rdm@hoptoad.uucp (Rich Morin) Newsgroups: comp.arch Subject: Re: I/O benchmarks Message-ID: <1305@hoptoad.uucp> Date: Mon, 17-Nov-86 17:32:28 EST Article-I.D.: hoptoad.1305 Posted: Mon Nov 17 17:32:28 1986 Date-Received: Tue, 18-Nov-86 01:31:04 EST References: <2657@princeton.UUCP> Organization: Canta Forda Computer Laboratory Lines: 22 Summary: watch out for buffering interactions