Presentation 1993/5/27
Minimum Unicode One-Shot State Assignment Using SBDD
Yong-Jin Kwon, Shuzo Yajima,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) We propose a new method of the unicode one-shot state assignments for asynchronous sequential circuits,in which the propositional calculus,or Boolean algebra is adopted.Exact minimum solutions of the unicode assignment are obtained by our method.The problem of the unicode one-shot state assignment coincides with the hypercube embedding problem,which is known to be NP-complete. The known algorithms for the hypercube embedding problem almost consist of the mechanism of backtracking.Using newly introduced Boolean variables here,we can check the possibility of the unicode one-shot state assignment or the hypercube embedding for a given flow table or graph by even making propositional formula.In order to handle huge propositional formulas,the shared binary decision diagrams(SBDD′s)are used as an internal representation of the form ulas which denote the unicode assignment for a given flow table. Experimental results show that methods are effective to obtain minimum solutions at significantly reduced computation cost.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) unicode one-shot state assignment / minimum / propositional calculus / Hypercube embedding / SBDD′s
Paper # COMP93-15,SS93-9
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Conference Information
Committee COMP
Conference Date 1993/5/27(1days)
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Registration To Theoretical Foundations of Computing (COMP)
Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Minimum Unicode One-Shot State Assignment Using SBDD
Sub Title (in English)
Keyword(1) unicode one-shot state assignment
Keyword(2) minimum
Keyword(3) propositional calculus
Keyword(4) Hypercube embedding
Keyword(5) SBDD′s
1st Author's Name Yong-Jin Kwon
1st Author's Affiliation Faculty of Engineering,Kyoto University()
2nd Author's Name Shuzo Yajima
2nd Author's Affiliation Faculty of Engineering,Kyoto University
Date 1993/5/27
Paper # COMP93-15,SS93-9
Volume (vol) vol.93
Number (no) 81
Page pp.pp.-
#Pages 7
Date of Issue