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Structure for handling data access

  • US 8,032,713 B2
  • Filed: 05/05/2008
  • Issued: 10/04/2011
  • Est. Priority Date: 12/10/2007
  • Status: Expired due to Fees
First Claim
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1. A design structure embodied in a machine readable storage medium for at least one of designing, manufacturing, and testing a design, the design structure comprising:

  • a computer system comprisinga CPU;

    a storage device;

    circuitry for providing a speculative access threshold corresponding to a selected percentage of a total number of accesses to the storage device that can be speculatively issued, wherein the speculative access threshold is determined by an equation which includes at least one of (i) a system access request rate and (ii) a percentage of access requests that do not have valid cached data available and require data from the storage device; and

    circuitry for intermixing demand accesses and speculative accesses in accordance with the speculative access threshold.

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