Vectorless Estimation of Power Consumption Variations in an FPGA
Estimates of power consumed by an IC are useful not only for handling thermal issues, but also for predicting power- and signal-integrity issues, since variations in power on a clock-by-clock basis can be used to estimate power-bus noise. Estimation of clock-by-clock power consumption is challenging, however, because full vectored simulation is computationally intensive and traditional vectorless techniques only estimate the average power over many clock cycles. Methods are presented to estimate the statistical variation of power consumed on a clock-by-clock basis. Estimates of the mean and standard deviation of power are compared to results of Monte Carlo simulations performed using VHDL and Altera's Quartus II PowerPlay Power Analysis tools.
L. Ren et al., "Vectorless Estimation of Power Consumption Variations in an FPGA," Proceedings of DesignCon 2011, vol. 3, pp. 1782-1798, UBM Electronics, Feb 2011.
DesignCon 2011 (2011: Jan. 31-Feb. 3, Santa Clara, CA)
Electrical and Computer Engineering
Keywords and Phrases
Average Power; Clock Cycles; Monte Carlo Simulation; Power Analysis; Power Consumed; Power Consumption Variations; Quartus II; Signal Integrity; Standard Deviation; Statistical Variations; Vectorless Estimation; Estimation; Monte Carlo Methods; Clocks
International Standard Book Number (ISBN)
Article - Conference proceedings
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