— We propose a methodology for Boolean matching under permutations of inputs and outputs (PP-equivalence checking problem) — a key step in incremental logic design that identifies large sections of a netlist that are not affected by a change in specifications. Finding reusable sections of a netlist reduces the amount of work in each design iteration and accelerates design closure. Our approach integrates graph-based, simulation-driven and SAT-based techniques to make Boolean matching feasible for large circuits. Experimental results confirm scalability of our techniques to circuits with hundreds and even thousands of inputs and outputs.
Hadi Katebi, Igor L. Markov