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METHOD AND APPARATUS FOR VIRTUAL PROCESSOR DISPATCHING TO A PARTITION BASED ON SHARED MEMORY PAGES

  • US 20090204959A1
  • Filed: 02/07/2008
  • Published: 08/13/2009
  • Est. Priority Date: 02/07/2008
  • Status: Active Grant
First Claim
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1. A computer implemented method for dispatching virtual processors in a data processing system having at least a first partition and a second partition, the method comprising:

  • running the first partition on a virtual processor during a first timeslice;

    identifying an at least one physical page used by the first partition and the second partition;

    mapping the at least one physical page to the first partition and the second partition;

    determining a fitness value based on the mapping; and

    dispatching the virtual processor to the second partition on a second timeslice based on the fitness value, wherein the second timeslice immediately succeeds after the first timeslice, whereby the at least one physical page remains in cache during at least the first timeslice and the second timeslice.

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