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A Monte Carlo approach for maximum power estimation based on extreme value theory

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3 Author(s)
N. E. Evmorfopoulos ; Dept. of Electr. & Comput. Eng., Nat. Tech. Univ. of Athens, Greece ; G. I. Stamoulis ; J. N. Avaritsiotis

A Monte Carlo approach for maximum power estimation in CMOS very large scale integration (VLSI) circuits is proposed. The approach is based on the largely unexploited area of statistics known as extreme value theory. Within this framework, it attempts to appropriately model the extreme behavior of the probability distribution of the peak instantaneous power drawn from the power supply bus, in order to yield a close estimate of its maximum possible value. The approach features a relatively small number of necessary input patterns that does not depend on the circuit size, user-specified accuracy, and confidence levels for the final estimate, simplicity in the algorithmic implementation, noniterative single-loop execution, highly accurate simulation-based operation, and easy integration within the design flow of CMOS VLSI circuits. Experimental results establish the above claims and demonstrate the overall efficiency of the proposed approach to address the problem of maximum power estimation

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IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems  (Volume:21 ,  Issue: 4 )