Fine Grain Power Gating Based on Controllability Propagation and Power-off Probability

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概要

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• Power gating technology has been widely used in VLSI designs for leakage power reduction by cutting off power supply to idle blocks. In previous work, a controlling value based method has been proposed. However, power saving capability suffers drastically from the depth constraint, which is inserted to avoid performance degradation. For increasing power savings, this paper introduces a controllability propagation property based on connection of the logic elements to enable a signal to control multiple clusters. Experimental results show that expected number of sleep gates can witness an 8% increase compared with the previous algorithm.

• 一般社団法人電子情報通信学会の論文
• 2013-07-04

著者

• Kimura Shinji

  The Graduate School Of Information Science Advanced Institute Of Science And Technology

• KIMURA Shinji

  The Graduate School of Information,Production and Systems, Waseda University

• DU Zhe

  The Graduate School of Information,Production and Systems, Waseda University

• JIN Yu

  The Graduate School of Information,Production and Systems, Waseda University

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• Automatic Multi-Stage Clock Gating Optimization Using ILP Formulation
• Fine Grain Power Gating Based on Controllability Propagation and Power-off Probability
• Fine Grain Power Gating Based on Controllability Propagation and Power-off Probability
• Fine Grain Power Gating Based on Controllability Propagation and Power-off Probability
• Fine Grain Power Gating Based on Controllability Propagation and Power-off Probability

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