Enabling Failure-Resilient Intermittent Systems without Runtime Checkpointing
Journal
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Journal Volume
39
Journal Issue
12
Pages
4399-4412
Date Issued
2020
Author(s)
Abstract
Self-powered intermittent systems typically adopt runtime checkpointing as a means to accumulate computation progress across power cycles and recover system status from power failures. However, existing approaches based on the checkpointing paradigm normally require system suspension and/or logging at runtime. This article presents a design which overcomes the drawbacks of checkpointing-based approaches, to enable failure-resilient intermittent systems. Our design allows accumulative execution and instant system recovery under frequent power failures while enforcing the serializability of concurrent task execution to improve computation progress and ensuring data consistency without system suspension during runtime, by leveraging the characteristics of data accessed in hybrid memory. We integrated the design into FreeRTOS running on a Texas Instruments device. The experimental results show that our design can still accumulate progress when the power source is too weak for checkpointing-based approaches to advance, and significantly improves the computation progress while reducing the recovery time. ? 1982-2012 IEEE.
Subjects
Computer hardware; Computer operating systems; Energy harvesting; Job analysis; Outages; Recovery; Check pointing; concurrency; Data consistency; Intermittent systems; Non-volatile memory; Registers; Runtimes; Serializability; System recovery; Task analysis; Suspensions (components)
SDGs
Type
conference paper