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IEICE TRANSACTIONS on Information

A Quaternary Decision Diagram Machine: Optimization of Its Code

Tsutomu SASAO, Hiroki NAKAHARA, Munehiro MATSUURA, Yoshifumi KAWAMURA, Jon T. BUTLER

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Summary :

This paper first reviews the trends of VLSI design, focusing on the power dissipation and programmability. Then, we show the advantage of Quarternary Decision Diagrams (QDDs) in representing and evaluating logic functions. That is, we show how QDDs are used to implement QDD machines, which yield high-speed implementations. We compare QDD machines with binary decision diagram (BDD) machines, and show a speed improvement of 1.28-2.02 times when QDDs are chosen. We consider 1-and 2-address BDD machines, and 3- and 4-address QDD machines, and we show a method to minimize the number of instructions.

Publication
IEICE TRANSACTIONS on Information Vol.E93-D No.8 pp.2026-2035
Publication Date
2010/08/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E93.D.2026
Type of Manuscript
Special Section INVITED PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
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