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- Xref: sparky comp.arch:9396 comp.lang.misc:3060
- Path: sparky!uunet!gatech!purdue!mentor.cc.purdue.edu!hrubin
- From: hrubin@mentor.cc.purdue.edu (Rubin Herman)
- Newsgroups: comp.arch,comp.lang.misc
- Subject: Re: Goals, Cost, and Flexibility (was Re: "Training" of programmers)
- Message-ID: <BuJnA9.JCA@mentor.cc.purdue.edu>
- Date: 14 Sep 92 01:10:56 GMT
- References: <1992Sep11.184744.19329@CS.ORST.EDU> <JAN.92Sep12155439@pallas.neuroinformatik.ruhr-uni-bochum.de> <9225808.14389@mulga.cs.mu.OZ.AU>
- Organization: Purdue University Statistics Department
- Lines: 24
-
- In article <9225808.14389@mulga.cs.mu.OZ.AU> fjh@munta.cs.mu.OZ.AU (Fergus James HENDERSON) writes:
-
- .................................
-
- >Well, that may not necessarily be the case.
- >If those few man-years of microcoding slavery mean that your product takes
- >six months longer to get to the market then it may not be worth the effort.
- >As the technology improves processing power is almost doubling every year,
- >so in those six months, your competition may well introduce a machine that
- >is 30-40% faster, so your +25% is now looking more like -5% or -10% (to
- >pluck a few figures out of the air).
-
- This doubling is for the minis and micros, which are finding it possible to
- come closer to the speeds of fast mainframes. The speed improvement from
- the CRAY 1 to their latest machines is more in using multiple processors,
- but this will eventually run into physical limits. The switching time has
- only tripled in a dozen years; there may be breakthroughs, but another 20
- doublings may very well reach basic physical limits in size, speed, and
- number of processors.
- --
- Herman Rubin, Dept. of Statistics, Purdue Univ., West Lafayette IN47907-1399
- Phone: (317)494-6054
- hrubin@snap.stat.purdue.edu (Internet, bitnet)
- {purdue,pur-ee}!snap.stat!hrubin(UUCP)
-