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Aging Gracefully with Approximation
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Cited 4 time in Scopus
- Authors
- Issue Date
- 2019-05
- Publisher
- IEEE
- Citation
- 2019 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS (ISCAS), p. 8702120
- Abstract
- This paper presents a design methodology to turn aging-induced chip slowdown into approximation without adding reliability guardband or increasing supply voltage. It guarantees always-best quality while the system is under aging. It is based on run-time monitoring of critical path delay. If the delay increases due to aging, the proposed approach curtails the critical path at the cost of precision reduction. We evaluate our approach at the component level as well as microarchitecture level. The evaluation results show that the approach reduces the dynamic and static power consumptions by 19.8% and 10.2%, respectively, with minimal area overhead and quality degradation.
- ISSN
- 0271-4302
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