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Polymorphic Branch Predictor And Method With Selectable Mode Of Prediction

  • US 20080005542A1
  • Filed: 05/04/2006
  • Published: 01/03/2008
  • Est. Priority Date: 05/04/2006
  • Status: Active Grant
First Claim
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1. A polymorphic branch predictor, comprising:

  • a plurality of branch prediction methods;

    a mechanism for dynamically configuring a mode of prediction formed from at least one of the plurality of branch prediction methods responsive to a dynamic setting to optimize performance of the branch predictor during operation where the dynamic setting selects the mode of prediction in accordance with task specific information; and

    a storage array for concurrently storing data for at least a first mode of prediction corresponding to a first one of the plurality of branch prediction methods and for a second mode of prediction corresponding to a second one of the plurality of branch prediction methods.

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