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Vectorized table lookup

  • US 6,446,198 B1
  • Filed: 09/30/1999
  • Issued: 09/03/2002
  • Est. Priority Date: 09/30/1999
  • Status: Expired due to Term
First Claim
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1. A method for performing a lookup operation for a table stored in a computer memory, comprising the steps of:

  • storing an index vector containing multiple index values which respectively designate locations in the table;

    performing a plurality of permute operations on different respective sets of data within said table, in accordance with the values in said index vector, to produce a plurality of intermediate result vectors; and

    performing at least one select operation on said intermediate result vectors to produce a final result vector of entries from said data table.

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