home *** CD-ROM | disk | FTP | other *** search
- Newsgroups: comp.sys.sun.hardware
- Path: sparky!uunet!europa.asd.contel.com!darwin.sura.net!rsg1.er.usgs.gov!fmsrl7!lynx!zia.aoc.nrao.edu!rmilner
- From: rmilner@zia.aoc.nrao.edu (Ruth Milner)
- Subject: Re: How does the new 2000+MIP Sun server compare against a Cray/XMP?
- Message-ID: <1992Nov12.223309.7567@zia.aoc.nrao.edu>
- Reply-To: rmilner@zia.aoc.nrao.edu (Ruth Milner)
- Organization: National Radio Astronomy Observatory, Socorro NM
- References: <lg2hufINNj7k@appserv.Eng.Sun.COM> <1992Nov11.185638.6416@PacBell.COM>
- Date: Thu, 12 Nov 92 22:33:09 GMT
- Lines: 24
-
- Douglas W. Forehand (dwf@doug.Eng.Sun.COM) wrote:
- : The following announcement was made today, November 10, 1992.
- :
- : SMCC INTRODUCES WORLD'S FASTEST UNIX SERVER
- :
- : UNIX server available today. In its 20-way configuration, it
- : delivers 2.19 GIPS (giga {billion} instructions per second) and 269
- : MFLOPS (million floating point operations per second)...
-
- This is rather an odd combination of performance figures. The 2.19 GIPS is
- an aggregate number of the performance of all 20 processors using the
- SPECrate_int92 benchmark. The MFLOPS figure, on the other hand, comes from
- using parallelized Linpack across 20 processors. These are very different
- types of numbers. I find it strange that the two are being quoted together
- like this.
-
- If you simply added the FP performance of all the processors together, you
- would have a figure around twice that.
-
- I suppose this was originally written by marketing types who were just copying
- the numbers from the performance brief ...
- --
- Ruth Milner NRAO/VLA Socorro NM
- Computing Division Head rmilner@zia.aoc.nrao.edu
-