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- Newsgroups: comp.sys.super
- Path: sparky!uunet!think.com!ames!data.nas.nasa.gov!wilbur.nas.nasa.gov!eugene
- From: eugene@wilbur.nas.nasa.gov (Eugene N. Miya)
- Subject: Re: What are people paying for when they by a supercomputer?
- References: <1992Nov16.141214.7632@walter.bellcore.com> <1992Nov16.174414.12427@craycos.com> <6080@mccuts.uts.mcc.ac.uk>
- Sender: news@nas.nasa.gov (News Administrator)
- Organization: NAS, NASA Ames Research Center, Moffett Field, CA
- Date: Thu, 19 Nov 92 18:28:55 GMT
- Message-ID: <1992Nov19.182855.8284@nas.nasa.gov>
- Lines: 63
-
- In article <6080@mccuts.uts.mcc.ac.uk> zzassgl@uts.mcc.ac.uk
- (Geoff Lane) writes:
- >MIPs aren't the problem - I/O and memory access is the problem. Any old
- >fool can plug together a bunch of Intel CPU chips and claim that the
- >resulting box is faster than a Cray (usually the model isn't specified :-)
- >but it takes an expert to get the bus architecture correct. It's also damn
- >expensive.
-
- Sort of.
- Some would say you buy "balance." My old officemate George came up with this
- nice concept of how you think of this:
-
- ^ A
- s / \ r
- m / \ c
- h / \ h
- t / \ i
- i / \ t
- r / \ e
- o / \ c
- g / \ t
- l / \ u
- A / \ r
- <_____________________> e
- Language
-
- It is the icon for the Conferences on High-Speed Computing
- which has some characteristics to Amdahl's Other Law (remote).
- Gets you out of binary thinking.
- There is an argument in another group and mailing list right now about
- a slight against software inproving performance.
- We hash on 3-D versions, but here is my "improved" 2-D version:
-
- ^
- /.\
- / . \
- e / . O\ S
- / . p\
- r /n .C e\ o
- /o C.o r\
- a /i .m a\ f
- /t P.p t\
- w /a .i i\ t
- /c U.l n\
- d /i .e g\ w
- /n .r \
- r /u . S\ a
- /m y.L y\
- a /m r. N .i s\ r
- /o o. a o .b t\
- H /C m. t t .r e\ e
- / e. a a .a m\
- / M. D t .r \
- / . D a t a i . \
- <_________________________________________>
- A p p l i c a t i o n
-
- --eugene miya, NASA Ames Research Center, eugene@orville.nas.nasa.gov
- Associate Editor, Software and Publication Reviews
- Scientific Programming
- {uunet,mailrus,other gateways}!ames!eugene
- Seeking Books to buy: Bongard, Pattern Recognition
- 3 down 1 to go.
-