Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!newstop!exodus!exodus-bb!khb From: khb@chiba.Eng.Sun.COM (Keith Bierman fpgroup) Newsgroups: comp.sys.sgi Subject: Re: Benchmarks Message-ID: Date: 9 Jan 91 21:37:16 GMT References: <1991Jan9.191443.4903@cec1.wustl.edu> Sender: news@exodus.Eng.Sun.COM Distribution: na Organization: Sun MegaSystems Lines: 14 In-reply-to: berkley@wucs1.wustl.edu's message of 9 Jan 91 19:14:43 GMT In article <1991Jan9.191443.4903@cec1.wustl.edu> berkley@wucs1.wustl.edu (Berkley Shands) writes: The SPARC machines used an aproximate square-root. All others used the standard system call. This is equivalent to a 20% speedup on SPARC machines. Could you explain this ? SPARC machines (post the 4/110, 4/2xx) have hw sqrt.... perhaps you neglected to specify -cg89 -libmil (or equivalent) in your runs. -- ---------------------------------------------------------------- Keith H. Bierman kbierman@Eng.Sun.COM | khb@chiba.Eng.Sun.COM SMI 2550 Garcia 12-33 | (415 336 2648) Mountain View, CA 94043