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Cache memory management system and method

  • US 6,807,607 B1
  • Filed: 05/30/2000
  • Issued: 10/19/2004
  • Est. Priority Date: 08/17/1999
  • Status: Active Grant
First Claim
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1. A cache memory management method comprising the steps of:

  • selecting a single object from the cache;

    assigning an object weight to the selected object;

    comparing the assigned object weight to an existing threshold weight;

    if the assigned object weight is lower than the existing threshold weight, marking the selected object for removal from the cache and lowering the value of the threshold weight; and

    if the assigned weight is greater than the existing threshold weight, raising the value of the threshold weight;

    wherein the threshold weight is raised by increments different than the increments by which it is lowered.

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