Statistical estimation of the cumulative distribution function for power dissipation in VLSI cirucits

Authors:
Chih-Shun Ding;Qing Wu;Chen-Ta Hsieh;Massoud Pedram
Affiliations:
Rockwell Semiconductor Systems, Rockwell International Corporation, Newport Beach, CA;Department of Electrical Engineering Systems, University of Southern California, Los Angeles, CA;Department of Electrical Engineering Systems, University of Southern California, Los Angeles, CA;Department of Electrical Engineering Systems, University of Southern California, Los Angeles, CA
Venue:
DAC '97 Proceedings of the 34th annual Design Automation Conference
Year:
1997

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Abstract

This paper proposes to use quantile points of the cumulative distributionfunction for power consumption to provide detailed informationabout the power distribution in a circuit. The paper also presentstwo techniques based on population pruning and stratification to improvethe efficiency of estimation. Both population pruning and stratificationare based on a lowcost predictor, such as zero-delay powerestimate. Experimental results show the effectiveness of the proposedtechniques in providing detailed power distribution information.