A Lightweight Component Caching Scheme for Satisfiability Solvers

* Final gross prices may vary according to local VAT.

Get Access


We introduce in this paper a lightweight technique for reducing work repetition caused by non–chronological backtracking commonly practiced by DPLL–based SAT solvers. The presented technique can be viewed as a partial component caching scheme. Empirical evaluation of the technique reveals significant improvements on a broad range of industrial instances.