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HarvOS: Efficient code instrumentation for transiently-powered embedded sensing
Politecnico di Milano, Italy.
RISE - Research Institutes of Sweden, IKT, SICS. Politecnico di Milano, Italy.
2017 (engelsk)Inngår i: Proceedings - 2017 16th ACM/IEEE International Conference on Information Processing in Sensor Networks, IPSN 2017, 2017, s. 209-219Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We present code instrumentation strategies to allow transiently-powered embedded sensing devices efficiently checkpoint the system's state before energy is exhausted. Our solution, called HarvOS, operates at compile-time with limited developer intervention based on the control-flow graph of a program, while adapting to varying levels of remaining energy and possible program executions at run-time. In addition, the underlying design rationale allows the system to spare the energy-intensive probing of the energy buffer whenever possible. Compared to existing approaches, our evaluation indicates that HarvOS allows transiently-powered devices to complete a given workload with 68% fewer checkpoints, on average. Moreover, our performance in the number of required checkpoints rests only 19% far from that of an "oracle" that represents an ideal solution, yet unfeasible in practice, that knows exactly the last point in time when to checkpoint.

sted, utgiver, år, opplag, sider
2017. s. 209-219
Emneord [en]
Checkpointing, Embedded systems, Sensor networks, Transiently-powered computing, Data flow analysis, Flow graphs, Check pointing, Code instrumentation, Control flow graphs, Design rationale, Embedded sensing, Program execution, Remaining energies
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-30958DOI: 10.1145/3055031.3055082Scopus ID: 2-s2.0-85019035930ISBN: 9781450348904 (tryckt)OAI: oai:DiVA.org:ri-30958DiVA, id: diva2:1138611
Konferanse
16th ACM/IEEE International Conference on Information Processing in Sensor Networks, IPSN 2017, 18 April 2017 through 20 April 2017
Tilgjengelig fra: 2017-09-06 Laget: 2017-09-06 Sist oppdatert: 2017-09-06bibliografisk kontrollert

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