NDLI: Optimal prescribed-domain clock skew scheduling

Content Provider	IEEE Xplore Digital Library
Author	Li Li Yinghai Lu Hai Zhou
Copyright Year	2012
Description	Author affiliation: Electrical Engineering and Computer Science, Northwestern University, China (Li Li; Yinghai Lu; Hai Zhou)
Abstract	Clock skew scheduling is an efficient technique to minimize the cycle period by properly assigning clock delays to registers in a circuit. But its effectiveness is limited by the difficulty in implementing a large number of arbitrary clock skews. Multi-domain clock skew scheduling and prescribed-domain clock skew scheduling are two alternatives to overcome this shortage by restricting the number of clock domains. While multi-domain clock skew scheduling has been proved to be NP-hard, the hardness of prescribed-domain clock skew scheduling algorithm remains evasive. In this paper, we give a positive answer to the open question by presenting the first efficient and optimal algorithm for prescribed-domain clock skew scheduling. Besides the runtime improvement over the previous method, the experimental results on ISCAS89 benchmarks show comparable quality to those generated by optimal multi-domain clock skew scheduling.
Starting Page	523
Ending Page	527
File Size	136459
Page Count	5
File Format	PDF
ISBN	9781467307703
ISSN	21536961
e-ISBN	9781467307727
DOI	10.1109/ASPDAC.2012.6165008
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-01-30
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Clocks Registers Runtime Processor scheduling Delay Algorithm design and analysis Scheduling
Content Type	Text
Resource Type	Article

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