Date: Wed, 4 Dec 1996 19:51:31 -0500 (EST) From: "John S. Dyson" <toor@dyson.iquest.net> To: michaelh@cet.co.jp Cc: lm@neteng.engr.sgi.com, davem@jenolan.rutgers.edu, hackers@FreeBSD.org, torvalds@cs.helsinki.fi, lm@relay.engr.SGI.COM, iain@sbs.de, sparclinux@vger.rutgers.edu Subject: Re: New benchmarks to design Message-ID: <199612050051.TAA04790@dyson.iquest.net> In-Reply-To: <Pine.SV4.3.95.961204161549.17926B-100000@parkplace.cet.co.jp> from "Michael Hancock" at Dec 5, 96 08:53:46 am
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> > worldStone: cd /usr/src; make world. This is important to people who > build world a lot. In observing, results posted on this list there's a > big difference when going from 486's to P5's and then to P6's. However, > it does have to move memory around and read and write temp files, object > files, and binaries, etc. I think Staelin paper said that performance > will be limited by (1+c/i) where c is compute seconds and i is io seconds. > If i is significant then improvements to c will have little effect. I > think we're approaching this. > worldStone will also motivate developers to keep bloat out of the entire source code tree. This is a really good negative feedback mechanism for that purpose. This measurement is becoming more and more practical with faster and faster processors... The goal is to make it as fast as 'iozone auto' is now. (for the humor impaired -- I am kidding :-)). John
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