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Retrieval hash index

  • US 9,558,123 B2
  • Filed: 05/18/2016
  • Issued: 01/31/2017
  • Est. Priority Date: 08/15/2013
  • Status: Active Grant
First Claim
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1. A device for managing cache memory addressing, comprising:

  • a controller that receives an address comprising tag data and index data;

    a hash component that generates hashed tag data as a function of the tag data and a hashing function;

    an identity component that generates identity data as a function of using the hashed tag data as a first operand and the index data as a second operand to an exclusive or operator;

    wherein in response to receiving an eviction command comprising the address, the hash component generates the hashed tag data as a function of the tag data and the hashing function; and

    a memory component that stores the identity data.

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