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IEICE TRANSACTIONS on Fundamentals

An Error Diagnosis Technique Based on Location Sets to Rectify Subcircuits

Kosuke SHIOKI, Narumi OKADA, Toshiro ISHIHARA, Tetsuya HIROSE, Nobutaka KUROKI, Masahiro NUMA

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Summary :

This paper presents an error diagnosis technique for incremental synthesis, called EXLLS (Extended X-algorithm for LUT-based circuit model based on Location sets to rectify Subcircuits), which rectifies five or more functional errors in the whole circuit based on location sets to rectify subcircuits. Conventional error diagnosis technique, called EXLIT, tries to rectify five or more functional errors based on incremental rectification for subcircuits. However, the solution depends on the selection and the order of modifications on subcircuits, which increases the number of locations to be changed. To overcome this problem, we propose EXLLS based on location sets to rectify subcircuits, which obtains two or more solutions by separating i) extraction of location sets to be rectified, and ii) rectification for the whole circuit based on the location sets. Thereby EXLLS can rectify five or more errors with fewer locations to change. Experimental results have shown that EXLLS reduces increase in the number of locations to be rectified with conventional technique by 90.1%.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E92-A No.12 pp.3136-3142
Publication Date
2009/12/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E92.A.3136
Type of Manuscript
Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category
Logic Synthesis, Test and Verfication

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