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Article #3786

Re: Alpha speed?

#3786
From: Dileep Bhandarkar
Date: Mon, 16 Nov 1992 10:50
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In article <1699@niktow.canisius.edu>, pavlov@niktow.canisius.edu (Greg Pavlov) writes...
>In article <RICHARD.92Nov12152902@chemeng.stanford.edu>, richard@chemeng.stanford.edu (Richard Schiek) writes:
> 
>  The REAL question here may be why DEC is limiting "workstation"-class 
>  machines to the lower end of the range.  Too many of us who have been
>  using "workstation" platforms as multi-user and/or server systems ??
>  Though this may simply be a conflict between what us UNIX folks are
>  used to and what VMS folks are used to paying.
> 
It is a matter of cost. Most semiconductor processes have yield curves that
allow fewer parts at higher speeds than slower parts. This causes the higher
speed parts to be more expensive. Faster parts also need higher cost cache chips
to exploit the faster CPU. Therefore, faster chips appear first in the higher
price bands where the volumes are lower too.

In time as the yield curve shifts and tachnology advances, you will see >150MHz
parts in workstations which are cost contrained and high volume.

/d
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Message-ID: <1992Nov16.154827.19770@ryn.mro4.dec.com>
Path: arc1-ca.pugleaf.net!sparky!uunet!ferkel.ucsb.edu!taco!rock!stanford.edu!ames!haven.umd.edu!decuac!pa.dec.com!nntpd2.cxo.dec.com!nntpd.lkg.dec.com!ryn.mro4.dec.com!wrksys.enet.dec.com!bhandarkar
References: <RICHARD.92Nov12152902@chemeng.stanford.edu> <1699@niktow.canisius.edu>

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From: bhandarkar@wrksys.enet.dec.com (Dileep Bhandarkar)
Subject: Re: Alpha speed?
Message-ID: <1992Nov16.154827.19770@ryn.mro4.dec.com>
Sender: news@ryn.mro4.dec.com (USENET News System)
Organization: Digital Equipment Corporation
References: <RICHARD.92Nov12152902@chemeng.stanford.edu> <1699@niktow.canisius.edu>
Date: 16 NOV 92 10:50:04    
Lines: 20