IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
Online ISSN : 1745-1337
Print ISSN : 0916-8508
Regular Section
Pruning-Based Trace Signal Selection Algorithm for Data Acquisition in Post-Silicon Validation
Kang ZHAOJinian BIAN
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2012 Volume E95.A Issue 6 Pages 1030-1040

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Abstract

To improve the observability during the post-silicon validation, it is the key to select the limited trace signals effectively for the data acquisition. This paper proposes an automated trace signal selection algorithm, which uses the pruning-based strategy to reduce the exploration space. First, the restoration range is covered for each candidate signals. Second, the constraints are generated based on the conjunctive normal form (CNF) to avoid the conflict. Finally the candidates are selected through pruning-based enumeration. The experimental results indicate that the proposed algorithm can bring higher restoration ratios and is more effective compared to existing methods.

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© 2012 The Institute of Electronics, Information and Communication Engineers
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