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Scott,

I am not arguing with you, but based on the numbers and what you said, this
latest new generation cpu from IBM is not much faster, throughput wise,
then what has been used for the last 2 years. That cant be true. Only IBM
knows the answer.

The news that there will be no more hardware announcements in 2002 was very
disappointing.

Steve Richter


-----Original Message-----
From: midrange-l-admin@midrange.com [mailto:midrange-l-admin@midrange.com]On
Behalf Of Scott Mildenberger
Sent: Monday, April 29, 2002 3:30 PM
To: 'midrange-l@midrange.com'
Subject: RE: 890 cpw per cpu

Steve,

In Frank Soltis' book Fortress Rochester it explains this.  I can't remember
all the technical details but basically two different processors can do the
same amount of work but have widely differing processor speeds depending on
their architecture, I think it relates to how deep the pipelines are.  With
the Power4 processor IBM has changed the architecture and now the processor
speed appears more in line with processors from Intel.  The older
processor's architecture made them appear to be much slower than an Intel
processor but they were doing much more work per MHz.  I would have to refer
to that section in the book to get a better description of how this works.

Scott Mildenberger





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