Ibm I5/OS Instrukcja Użytkownika Pobierz pdf (Strona 13)

iSeries. mySeries.

Processor Concepts

Potential Shared Processors Penalty

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Increase the possibility that job’s won’t complete, and :

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Have to be re-dispatched, and potentially have to reload cache

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Increase the chance of a cache miss

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Reduce the chance for processor/memory affinity

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Increase the Power Hypervisor work :

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Tracking each partition use of its allocated milliseconds

iSeries. mySeries.

Processor Concepts

Virtual Processors

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The number of “virtual processors” represents :

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The number of physical processors that the partition is able to use

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The number of simultaneous jobs/threads execution

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The number of processors that the operating system thinks he has to use

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Ibm I5/OS Instrukcja Użytkownika Strona 13