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Although using presilicon information in postsilicon debugging phase seems interesting, space and time limitations of existing formal verification tools restrict the possibility of this idea. In this paper, the effective usage of presilicon information to enhance postsilicon trace signal selection in modern processors is discussed. Furthermore, a novel architecture for dynamic per-cycle selection...
In this paper, we introduce a formal and scalable debugging approach to derive a reduced ordered set of design error candidates in polynomial datapath designs. To make our debugging method scalable for large designs, we utilize a Modular Horner Expansion Diagram (M-HED), which has been shown to be a scalable high level decision model. In our method, we extract data dependency graphs from the polynomial...
In this paper, we introduce a new technique that makes use of satisfiability (SAT) based debugging techniques along with a mutation-based technique to correct certain design errors in digital designs automatically. The experimental results demonstrate that our proposed method enables us to locate and correct multiple bugs by targeting gate replacements and wire exchanging within reasonable run-time...
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