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Energy-constrained ...
Energy-constrained scheduling for weakly hard real-time systems using standby-sparing
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- Niu, Linwei (författare)
- Howard University, the Department of Electrical Engineering and Computer Science, DC, Washington, United States
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- Rawat, Danda B. (författare)
- Howard University, the Department of Electrical Engineering and Computer Science, DC, Washington, United States
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- Musselwhite, Jonathan (författare)
- Howard University, 2400 Sixth Street NW, DC, Washington, United States
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- Gu, Zonghua (författare)
- Umeå universitet,Institutionen för tillämpad fysik och elektronik
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- Deng, Qingxu (författare)
- Northeastern University, the School of Computer Science and Engineering, Liaoning, Shenyang, China
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(creator_code:org_t)
- Association for Computing Machinery (ACM), 2024
- 2024
- Engelska.
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Ingår i: ACM Transactions on Design Automation of Electronic Systems. - : Association for Computing Machinery (ACM). - 1084-4309 .- 1557-7309. ; 29:2
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- For real-time embedded systems, QoS (Quality of Service), fault tolerance, and energy budget constraint are among the primary design concerns. In this research, we investigate the problem of energy constrained standby-sparing for both periodic and aperiodic tasks in a weakly hard real-time environment. The standby-sparing systems adopt a primary processor and a spare processor to provide fault tolerance for both permanent and transient faults. For such kind of systems, we firstly propose several novel standby-sparing schemes for the periodic tasks which can ensure the system feasibility under tighter energy budget constraint than the traditional ones. Then based on them integrated approachs for both periodic and aperiodic tasks are proposed to minimize the aperiodic response time whilst achieving better energy and QoS performance under the given energy budget constraint. The evaluation results demonstrated that the proposed techniques significantly outperformed the existing state-of-the-art approaches in terms of feasibility and system performance while ensuring QoS and fault tolerance under the given energy budget constraint.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Inbäddad systemteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Embedded Systems (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Datorsystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Computer Systems (hsv//eng)
Nyckelord
- Energy constraint
- fault tolerance
- quality of service
- real-time scheduling
- standby-sparing
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