On Fri, 7 Apr 2017 09:15:49 -0700, Anne & Lynn Wheeler wrote:
>360 announce day
>http://www-03.ibm.com/ibm/history/exhibits/mainframe/mainframe_PR360.html
>
Not in that article, but I see:
http://www.computerhistory.org/revolution/mainframe-computers/7/161
... — six computers with a performance range of 50 to 1, ...
Did they follow Grosch's Law: "There is a fundamental rule, which I modestly
call Grosch's law, giving added economy only as the square root of the
increase in speed ..."
What's the "performance range" of currently marketed z models?
(Just pondering the availability of entry-level systems.)
-- gil
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