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Nowka: Power gating with multiple sleep modes (2006)
| Venue: | ACM/IEEE International Symposium on Quality Electronic Design |
| Citations: | 36 - 0 self |
BibTeX
@INPROCEEDINGS{Agarwal06nowka:power,
author = {Kanak Agarwal and Er Deogun and Dennis Sylvester and Kevin Nowka},
title = {Nowka: Power gating with multiple sleep modes},
booktitle = {ACM/IEEE International Symposium on Quality Electronic Design},
year = {2006},
pages = {633--637}
}
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Abstract
Abstract – This paper describes a power gating technique with multiple sleep modes where each mode represents a trade-off between wake-up overhead and leakage savings. We show that high wake-up latency and wake-up power penalty of traditional power gating limits its application to large stretches of inactivity. Our simulations and data traces show that multiple sleep mode capability provides an extra 17 % reduction in overall leakage as compared to single mode gating. The multiple modes can be designed to allow state-retentive modes. The results on benchmarks show that a single state-retentive mode can reduce leakage by 19 % while preserving state of the circuit. 1.
Keyphrases
multiple sleep mode single state-retentive mode state-retentive mode single mode gating overall leakage multiple mode wake-up overhead high wake-up latency power gating technique data trace multiple sleep mode capability wake-up power penalty large stretch traditional power leakage saving
