> however, claim is that at least half of the z196 per processor improvement 
> over z10 was introduction of out-of-order execution, branch prediction, 
> speculative executive

Those features are important to systems performance, but I submit that most of 
the improvement was probably due to the increased clock speed (5.2 GHz vs 4.4) 
and the changes in cache structure (4 levels vs 3 levels).

Bob Shannon
Rocket Software

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