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IEICE TRANSACTIONS on Information

A Balanced Decision Tree Based Heuristic for Linear Decomposition of Index Generation Functions

Shinobu NAGAYAMA, Tsutomu SASAO, Jon T. BUTLER

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Summary :

Index generation functions model content-addressable memory, and are useful in virus detectors and routers. Linear decompositions yield simpler circuits that realize index generation functions. This paper proposes a balanced decision tree based heuristic to efficiently design linear decompositions for index generation functions. The proposed heuristic finds a good linear decomposition of an index generation function by using appropriate cost functions and a constraint to construct a balanced tree. Since the proposed heuristic is fast and requires a small amount of memory, it is applicable even to large index generation functions that cannot be solved in a reasonable time by existing heuristics. This paper shows time and space complexities of the proposed heuristic, and experimental results using some large examples to show its efficiency.

Publication
IEICE TRANSACTIONS on Information Vol.E100-D No.8 pp.1583-1591
Publication Date
2017/08/01
Publicized
2017/05/19
Online ISSN
1745-1361
DOI
10.1587/transinf.2016LOP0013
Type of Manuscript
Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category
Logic Design

Authors

Shinobu NAGAYAMA
  Hiroshima City University
Tsutomu SASAO
  Meiji University
Jon T. BUTLER
  Naval Postgraduate School

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