Ultra-low power data storage for sensor networks
Proceedings of the 5th international conference on Information processing in sensor networks
Capsule: an energy-optimized object storage system for memory-constrained sensor devices
Proceedings of the 4th international conference on Embedded networked sensor systems
Energy-aware data compression for multi-level cell (MLC) flash memory
Proceedings of the 44th annual Design Automation Conference
Improving energy efficiency for flash memory based embedded applications
Journal of Systems Architecture: the EUROMICRO Journal
Characterizing flash memory: anomalies, observations, and applications
Proceedings of the 42nd Annual IEEE/ACM International Symposium on Microarchitecture
Write endurance in flash drives: measurements and analysis
FAST'10 Proceedings of the 8th USENIX conference on File and storage technologies
Exploiting half-wits: smarter storage for low-power devices
FAST'11 Proceedings of the 9th USENIX conference on File and stroage technologies
Understanding the impact of power loss on flash memory
Proceedings of the 48th Design Automation Conference
Approximate storage in solid-state memories
Proceedings of the 46th Annual IEEE/ACM International Symposium on Microarchitecture
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MLC Flash memory is getting more popular in computer systems ranging from sensor networks and embedded systems to large-scale server systems. However, MLC flash has many reliability concerns, including the potential for corruption due to supply voltage fluctuations. This paper characterizes MLC flash when the chip is underpowered (i.e., power fading and voltage droops). We demonstrate that underpowering flash can cause serious errors, but also help saving up to 45% of operation energy without incurring failure.