Path: utzoo!utgpu!news-server.csri.toronto.edu!rutgers!usc!zaphod.mps.ohio-state.edu!uakari.primate.wisc.edu!aplcen!theune From: theune@aplcen.apl.jhu.edu (Peter Theune) Newsgroups: comp.benchmarks Subject: Re: SPECmarks Message-ID: <1990Nov9.012540.28546@aplcen.apl.jhu.edu> Date: 9 Nov 90 01:25:40 GMT References: Distribution: comp Organization: Johns Hopkins University Lines: 47 khb@chiba.Eng.Sun.COM (Keith Bierman fpgroup) writes: >In article tds@cbnewsh.ATT.COM (antonio.desimone) writes: > Could someone post a simple description of SPECmark ratings for the > lazy outsider? One of the trade rags (Better Workstations and > Gardens, or something) published a chart that apparently was pulled > out of context from another source, without enough supporting material to > make it comprehensible. > I gather that it's a composite measure of some kind. What are the > components? Are the individual measures what's usually presented? > What does it mean when I see a single SPECmark rating? E.g "the > SPARCstation (TM) 2 family, at 21 SPECmarks..." How are the weights > chosen? > -- >the benchmarks are >gcc, espresso, spice, doduc, nasa7,li,eqntott,matrix300, fppp, and >tomcatv. >The specmark is computed by computing the ratio of the machine under >test vs a particular configuration of a VAX and then computing the ^^^ I _THINK_ that the VAX used for comparison is a VAX-11/780 . I seem to recall reading recently that this was the machine used for comparison. I don't know wether or not a floating point processor was installed.... Just my $.02. Corrections are welcome... Peter Theune theune@aplcen.apl.jhu.edu theune@mailer.jhuapl.edu >geometric mean of the 10 scores. >-- >---------------------------------------------------------------- >Keith H. Bierman kbierman@Eng.Sun.COM | khb@chiba.Eng.Sun.COM >SMI 2550 Garcia 12-33 | (415 336 2648) > Mountain View, CA 94043