Sweepcache: Intermittence-aware cache on the cheap

Y Zhou, J Zeng, J Jeong, J Choi, C Jung - … of the 56th Annual IEEE/ACM …, 2023 - dl.acm.org
This paper presents SweepCache, a new compiler/architecture co-design scheme that can
equip energy harvesting systems with a volatile cache in a performant yet lightweight way …

Persistent processor architecture

J Zeng, J Jeong, C Jung - Proceedings of the 56th Annual IEEE/ACM …, 2023 - dl.acm.org
This paper presents PPA (Persistent Processor Architecture), simple microarchitectural
support for lightweight yet performant whole-system persistence. PPA offers fully transparent …

{IntOS}: Persistent embedded operating system and language support for multi-threaded intermittent computing

Y Wu, B Min, M Ismail, W Xiong, C Jung… - 18th USENIX Symposium …, 2024 - usenix.org
This paper introduces INTOS, an embedded operating system and language support for
multi-threaded intermittent computing on a battery-less energy-harvesting platform. INTOS …

[PDF][PDF] Compiler-Directed Whole-System Persistence

J Zeng, T Zhang, C Jung - Proceedings of the 51th Annual …, 2024 - cs.purdue.edu
Nonvolatile memory (NVM) technologies have gained increasing attention thanks to their
density and durability benefits. However, leveraging NVM can cause a crash consistency …

RTailor: Parameterizing Soft Error Resilience for Mixed-Criticality Real-Time Systems

SY Huang, J Zeng, X Deng, S Wang… - 2023 IEEE Real …, 2023 - ieeexplore.ieee.org
Equipping real-time systems with soft error resilience can be challenging due to the tradeoff
of the timing and failure requirements for mixed-criticality tasks. Violation of these …

Caphammer: Exploiting capacitor vulnerability of energy harvesting systems

J Choi, J Choi, H Joe, C Jung - IEEE Transactions on Computer …, 2024 - ieeexplore.ieee.org
An energy harvesting system (EHS) has emerged as an alternative to traditional battery-
operated Internet of Things (IoT) devices. An EHS harnesses ambient energy and stores it in …

Soft Error Resilience at Near-Zero Cost

J Zeng, SY Huang, J Liu, C Jung - Proceedings of the 38th ACM …, 2024 - dl.acm.org
Among existing schemes for soft error resilience, acoustic-sensor-based detection stands
out owing to its ability to prevent silent data corruption at low hardware cost. However, the …

Defending against emi attacks on just-in-time checkpoint for resilient intermittent systems

J Choi, H Joe, C Jung, J Choi - 2024 57th IEEE/ACM …, 2024 - ieeexplore.ieee.org
Energy harvesting systems have emerged as an alternative to battery-powered IoT devices.
The systems utilize a just-in-time checkpoint protocol that stores volatile states when a …

Lightwsp: Whole-system persistence on the cheap

Y Zhou, J Zeng, C Jung - 2024 57th IEEE/ACM International …, 2024 - ieeexplore.ieee.org
Whole-system persistence (WSP) has recently attracted more interest thanks to its
transparency and performance benefits over partial-system persistence where users are not …

[PDF][PDF] A Software Caching Runtime for Embedded NVRAM Systems

H Williams, M Hicks - International Conference on Architectural …, 2025 - harriswms.github.io
Increasingly sophisticated low-power microcontrollers are at the heart of millions of IoT and
edge computing deployments, with developers pushing large-scale data collection …