Article View: comp.sys.atari.st
Article #27245Re: More ST Floating Point Performance
From: Ron Schreiner
Date: Thu, 11 Jun 1987 18:16
Date: Thu, 11 Jun 1987 18:16
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In article <1959@trwrb.UUCP> sansom@trwrb.UUCP (Richard Sansom) writes: >I asked Joe Knapp (ihnp4!asr2!jmk) to send me a copy of orbit.c so I could >compile and execute with MWC 2.0. ..... >results > machine compiler run time (s) accuracy > =========== ============ ======== ========== ... > >> 520ST MWC 2.0 180 excellent > Amiga 1000 Manx -lm 25 poor >The good news is that the results were _exactly_ the same as those produced >by the VAX 11/785. The bad news is that the ST is still much slower than it >should be (based on the Amiga's performance). What good is 8 times faster if it's not right ? I'll bet I can write a floating point package that will run 16 times faster than the Amiga just as long as you are willing to give up accuracy. But seriously folks, doesn't the Amiga have a math co-processor ? I had heard rumors to that effect but I don't know for sure.
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!rutgers!sri-spam!mordor!lll-tis!ptsfa!ihnp4!ihuxy!rnss From: rnss@ihuxy.ATT.COM (Ron Schreiner) Newsgroups: comp.sys.atari.st Subject: Re: More ST Floating Point Performance Message-ID: <1996@ihuxy.ATT.COM> Date: Thu, 11-Jun-87 14:16:04 EDT Article-I.D.: ihuxy.1996 Posted: Thu Jun 11 14:16:04 1987 Date-Received: Sat, 20-Jun-87 12:38:32 EDT References: <1959@trwrb.UUCP> Reply-To: rnss@ihuxy.UUCP (Ron Schreiner) Organization: AT&T Bell Laboratories Lines: 23