Exploiting error detection latency for parity-based soft error detection

Aydos, Gökçe; Fey, Görschwin

doi:10.1109/ddecs.2016.7482440

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2021

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“…Dual modular redundancy [26] and error detection codes like parity [27] are hardware-based error detection techniques which exploit spatial redundancy to detect errors. Detection based on temporal redundancy is possible as well, and allows to trade performance for reliability and energy savings [28], [29].…”

Section: Related Workmentioning

confidence: 99%

Service Improvements in Real-Time Uniprocessor Scheduling With Single Errors

Schmidt

García-Ortiz

2021

IEEE Access

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Mixed-criticality scheduling in modern deeply embedded mission and safety-critical systems needs to consider delivered service, that is, the runtime in low criticality mode. If the change into a higher criticality mode is triggered by the first overrunning job, the service is severely reduced. With earliest deadline first with virtual deadlines for single errors (EDF-VD-SE) we show how to reserve additional time to tolerate a single overrunning job by formulating and solving an optimization problem, and that EDF-VD-SE is feasible without assumptions about error probabilities for safety guarantees. We conduct extensive simulation experiments to report on average doubled service figures, and show how EDF-VD-SE results in a nearly constant acceptance rate of random task systems.

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