Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: utzoo!mnetor!seismo!ll-xn!nike!eugene From: eugene@nike.uucp (Eugene Miya N.) Newsgroups: net.arch Subject: Re: Speed is the one true performance metric Message-ID: <714@nike.UUCP> Date: Mon, 3-Nov-86 14:37:52 EST Article-I.D.: nike.714 Posted: Mon Nov 3 14:37:52 1986 Date-Received: Tue, 4-Nov-86 05:41:01 EST References: <340@euroies.UUCP> <1989@videovax.UUCP> Sender: usenet@nike.UUCP Reply-To: eugene@pioneer.UUCP (Eugene Miya N.) Organization: NASA Ames Research Center, Moffett Field, Calif. Lines: 21 >> Summary: Words about relability, speed, thruput, etc. The only problem with speed as the one true performance metric is Harlan Mills' "Law." He says that he will take any program and make it five times faster or use five times less storage (note: but not both). The problem with speed is the frequent interchangeability with storage. The problem comes with problems which have massive storage AND speed requirements. Yes, getting your job done fast is important, granted, but people with foresight understand the costs and tradeoffs associated with "speed at all costs." We put disclaimers on the bottoms of some our postings 1) for humor, like line eater quotes at the heads of some messages, 2) because some of us have been burned [what goes around, comes around]. This latter is quite serious. I know enough now to NOT put postings of DEC, Cray, IBM, etc. internal material even though I've not signed any non-disclosure agreements. As Gary Perlman has pointed out, the Net is a great place to do industrial information gathering (espionage). --eugene miya NASA Ames Research Center