Approximate equivalence verification of sequential circuits via genetic algorithms
DATE '99 Proceedings of the conference on Design, automation and test in Europe
Automatic test bench generation for validation of RT-level descriptions: an industrial experience
DATE '00 Proceedings of the conference on Design, automation and test in Europe
Automatic Validation of Protocol Interfaces Described in VHDL
Real-World Applications of Evolutionary Computing, EvoWorkshops 2000: EvoIASP, EvoSCONDI, EvoTel, EvoSTIM, EvoROB, and EvoFlight
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While modern state-of-the-art optimization techniques can handle designs with up to hundreds of flip-flops, equivalence verification is still a challenging task in many industrial design flows. This paper presents a new verification methodology that, while sacrificing exactness, is able to handle larger circuits and give designers the opportunity to trade off CPU time with confidence on the result. The proposed methodology is able to fruitfully support an exact verification tool, dramatically increasing the confidence on the validity of an optimization process. A prototypical tool has been developed and preliminary experimental results that support this claim are shown in the paper.