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Planning Considerations for HiperDispatch Mode

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processors

Overview For all levels of z/OS, a TCB or SRB may be dispatched on any logical processor of the type required (standard, zAAP or zIIP). A unit of work starts on one logical processor and subsequently may be dispatched on any other logical processor. The logical processors for one LPAR image receive an equal share for equal access to the physical processors under PR/SM LPAR control. For example, if the weight of a logical partition with four logical processors results in a share of two physical processors, or 200%, the LPAR hypervisor will manage each of the four logical processors with a 50% share of a physical processor. All logical processors are used if there is work available, and they typically have similar processing utilizations.

Further White Paper Details
Publisher	IBM	File Format	PDF
Date Published	April 2008
Format	White Papers
Topics	Processors, Mainframes

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