Performance considerations

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The performance of an LP is controlled by:

  • The number of logical cores online
  • The CPs are dedicated to or are shared by the LP
  • The processing weight assigned to each LP
  • The processor running time interval

The total number of logical cores across all active LPs is one of the factors used to determine the dynamic dispatch interval. See Processor running time.

Use the RMF Partition Data Reports to determine the effective dispatch time for LPs. For more information about this RMF reporting enhancement see RMF LPAR management time reporting.

The greater the number of active logical cores relative to the number of physical cores configured, the smaller the dispatch interval.