>what is the MIPS or MSUs of the particular models ???

MIPS are whatever you want them to be!
I wrote an article, admittedly for an IBM publication, and it was only 900 
words, so I only scratched the surface.
But, MIPS are:
Workload Dependent
Processor option dependent
Micro-code patch level dependent
z/OS release dependent.

There is NO one number for any given processor!
Even though management wants that.

Now, that being said, the MSU rating slapped on a processor model is IBM's 
attempt at setting a single number on one.

And, they have botched it with the discounting of MSU's over the last couple 
years.
Just as they've botched every billing model since they introduced tiered 
billing in 1984.
I bitched then; I bitch now!


>How granular is the step ???

Each engine added is a step.
That's the granularity.


-
-teD

O-KAY! BLUE! JAYS!
Let's PLAY! BALL!

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