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Adjusting a processor operating parameter based on a performance criterion

  • US 20070050661A1
  • Filed: 02/28/2006
  • Published: 03/01/2007
  • Est. Priority Date: 08/29/2005
  • Status: Active Grant
First Claim
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1. A controller apparatus comprising:

  • a monitoring circuit for detecting a computational error corresponding to an execution of an instruction of a sequence of instructions by a processor subsystem having an adjustable operating parameter;

    a recovery circuit for rolling back an execution of the sequence of instructions to a checkpoint in response to the detected computational error; and

    a control circuit for adjusting the adjustable operating parameter in response to a performance criterion.

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