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Article #122Re: KSR curiosity
From: Hugh LaMaster
Date: Thu, 13 Aug 1992 02:10
Date: Thu, 13 Aug 1992 02:10
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In article <1992Aug11.214207.16247@tera.com>, bob@tera.com (Bob Alverson) writes: : |> Also, there appears to be an error in Table 1b of the article. It lists |> the KSR 1 as achieving 513 Gflops on Linpack 1000, with 32 processors. |> Maybe it should be 513 Mflops--does anyone know for sure? : The table is clearly mistaken, because in the previous table, it is clear that each processor is capable of 2 floating point operations per clock, and there are a maximum of 1088 processors at 20 MHz. 32 processors would give a peak of 1.28 GFLOPS. So, the listed 513 GFLOPS is clearly an error. 513 MFLOPS would be consistent, although I don't know if it is correct. -- Hugh LaMaster, M/S 233-9, UUCP: ames!lamaster NASA Ames Research Center Internet: lamaster@ames.arc.nasa.gov Moffett Field, CA 94035-1000 Or: lamaster@george.arc.nasa.gov Phone: 415/604-1056 #include <usenet/std_disclaimer.h>
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Newsgroups: comp.sys.super Path: arc1-ca.pugleaf.net!sparky!uunet!cs.utexas.edu!sun-barr!ames!riacs!pioneer.arc.nasa.gov!lamaster From: lamaster@pioneer.arc.nasa.gov (Hugh LaMaster) Subject: Re: KSR curiosity Message-ID: <1992Aug13.021034.24629@riacs.edu> Keywords: CACM Sender: news@riacs.edu Organization: RIACS, NASA Ames Research Center References: <1992Aug11.214207.16247@tera.com> Date: Thu, 13 Aug 92 02:10:34 GMT Lines: 20