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Random code generation using genetic algorithms

  • US 6,918,098 B2
  • Filed: 07/16/2002
  • Issued: 07/12/2005
  • Est. Priority Date: 07/16/2002
  • Status: Expired due to Fees
First Claim
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1. In a system including a circuit design and a plurality of circuit input vectors which have been applied to the circuit design to produce at least one occurrence of each of a plurality of events within the circuit design, a method comprising:

  • (A) identifying a plurality of counter values indicating a number of occurrences of each of the plurality of events;

    (B) initializing an aggregate fitness value; and

    (C) performing the following for each event e in the plurality of events;

    (C) (1) identifying a counter value indicating a number of occurrences of event e;

    (C) (2) applying a counter fitness function to the counter value identified in (C) (1) to produce a counter fitness value; and

    (C) (3) applying a combination function to the aggregate fitness value and the counter fitness value to produce a new value for the aggregate fitness value.

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