Impact analysis of performance faults in modern microprocessors

Naghmeh Karimi; Michail Maniatakos; Chandra Tirumurti; Abhijit Jas; Yiorgos Makris

doi:10.1109/ICCD.2009.5413171

Impact analysis of performance faults in modern microprocessors

Naghmeh Karimi, Michail Maniatakos, Chandra Tirumurti, Abhijit Jas, Yiorgos Makris

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Towards improving performance, modern microprocessors incorporate a variety of architectural features, such as branch prediction and speculative execution, which are not critical to the correctness of their operation. While faults in the corresponding hardware may not necessarily affect functional correctness, they may, nevertheless, adversely impact performance. In this paper, we investigate quantitatively the performance impact of such faults using a superscalar, dynamicallyscheduled, out-of-order, Alpha-like microprocessor, on which we execute SPEC2000 integer benchmarks. We provide extensive fault simulation-based experimental results and we discuss how this information may guide the inclusion of additional hardware for performance loss recovery and yield enhancement.

Original language	English (US)
Title of host publication	2009 IEEE International Conference on Computer Design, ICCD 2009
Pages	91-96
Number of pages	6
DOIs	https://doi.org/10.1109/ICCD.2009.5413171
State	Published - 2009
Event	2009 IEEE International Conference on Computer Design, ICCD 2009 - Lake Tahoe, CA, United States Duration: Oct 4 2009 → Oct 7 2009

Publication series

Name	Proceedings - IEEE International Conference on Computer Design: VLSI in Computers and Processors
ISSN (Print)	1063-6404

Other

Other	2009 IEEE International Conference on Computer Design, ICCD 2009
Country/Territory	United States
City	Lake Tahoe, CA
Period	10/4/09 → 10/7/09

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

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10.1109/ICCD.2009.5413171

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Karimi, N., Maniatakos, M., Tirumurti, C., Jas, A., & Makris, Y. (2009). Impact analysis of performance faults in modern microprocessors. In 2009 IEEE International Conference on Computer Design, ICCD 2009 (pp. 91-96). Article 5413171 (Proceedings - IEEE International Conference on Computer Design: VLSI in Computers and Processors). https://doi.org/10.1109/ICCD.2009.5413171

Impact analysis of performance faults in modern microprocessors. / Karimi, Naghmeh; Maniatakos, Michail; Tirumurti, Chandra et al.
2009 IEEE International Conference on Computer Design, ICCD 2009. 2009. p. 91-96 5413171 (Proceedings - IEEE International Conference on Computer Design: VLSI in Computers and Processors).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Karimi, N, Maniatakos, M, Tirumurti, C, Jas, A & Makris, Y 2009, Impact analysis of performance faults in modern microprocessors. in 2009 IEEE International Conference on Computer Design, ICCD 2009., 5413171, Proceedings - IEEE International Conference on Computer Design: VLSI in Computers and Processors, pp. 91-96, 2009 IEEE International Conference on Computer Design, ICCD 2009, Lake Tahoe, CA, United States, 10/4/09. https://doi.org/10.1109/ICCD.2009.5413171

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AB - Towards improving performance, modern microprocessors incorporate a variety of architectural features, such as branch prediction and speculative execution, which are not critical to the correctness of their operation. While faults in the corresponding hardware may not necessarily affect functional correctness, they may, nevertheless, adversely impact performance. In this paper, we investigate quantitatively the performance impact of such faults using a superscalar, dynamicallyscheduled, out-of-order, Alpha-like microprocessor, on which we execute SPEC2000 integer benchmarks. We provide extensive fault simulation-based experimental results and we discuss how this information may guide the inclusion of additional hardware for performance loss recovery and yield enhancement.

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Impact analysis of performance faults in modern microprocessors

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