IBM I5/OS - Manual (Page 13)

i Series. my Series.
Processor Concepts
Potential Shared Processors Penalty
Increase the possibility that job’s won’t complete, and :
Have to be re-dispatched, and potentially have to reload cache
Increase the chance of a cache miss
Reduce the chance for processor/memory affinity
Increase the Power Hypervisor work :
Tracking each partition use of its allocated milliseconds
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i Series. my Series.
Processor Concepts
Virtual Processors
The number of “virtual processors” represents :
The number of physical processors that the partition is able to use
The number of simultaneous jobs/threads execution
The number of processors that the operating system thinks he has to use
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