NDLI: Inferring assertion for complementary synthesis

Content Provider	IEEE Xplore Digital Library
Author	ShengYu Shen Ying Qin JianMin Zhang
Copyright Year	2011
Description	Author affiliation: School of Computer Science, National University of Defense Technology, 410073, DeYa Avenue, ChangSha, China (ShengYu Shen; Ying Qin; JianMin Zhang)
Abstract	Complementary synthesis can automatically synthesize the decoder circuit of an encoder. However, its user needs to manually specify an assertion on some configuration pins to prevent the encoder from reaching the non-working states. To avoid this tedious job, we propose an automatic approach to infer this assertion. First, we propose a halting algorithm that can decide the existence of the decoder for every particular assertion. Second, for every invalid value of configuration pins that leads to the non-existence of the decoder, we use cofactoring and Craig interpolation to infer a new formula, which covers a larger set of such invalid values. This second step is repeated until all invalid values are covered by these inferred formulas. Finally, we obtain the final assertion by anding the inverses of all these inferred formulas. The decoder exists if and only if this final assertion is still satisfiable. To illustrate its usefulness, we have run our algorithm on several complex encoder circuits, including PCI-E and Ethernet. Experimental results show that our algorithm can always infer assertions for them.
Starting Page	404
Ending Page	411
File Size	505003
Page Count	8
File Format	PDF
ISBN	9781457713996
ISSN	10923152
e-ISBN	9781457714009
e-ISBN	9781457713989
DOI	10.1109/ICCAD.2011.6105361
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-11-07
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Decoding Equations Pins Educational institutions Computer science Interpolation Boolean functions Craig Interpolation Complementary Synthesis Inferring Assertion Cofactoring
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Computer Science Applications Software

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