Partial bus-invert coding for power optimization of application-specific systems

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This paper presents two bus coding schemes for power optimization of application-specific systems: Partial Bus-invert coding and its extension to Multiway Partial Bus-invert coding. In the first scheme, only a selected subgroup of bus lines is encoded to avoid unnecessary inversion of relatively inactive and/or uncorrelated bus lines which are not included in the subgroup. In the extended scheme, we partition a bus into multiple subbuses by clustering highly correlated bus lines and then encode each subbus independently. We describe a heuristic algorithm of partitioning a bus into subbuses for each encoding scheme. Experimental results for various examples indicate that both encoding schemes are highly efficient for application-specific systems.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2001-04
Language
English
Article Type
Article
Keywords

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Citation

IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, v.9, no.2, pp.377 - 383

ISSN
1063-8210
URI
http://hdl.handle.net/10203/979
Appears in Collection
EE-Journal Papers(저널논문)
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