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ACM Transactions on Computer Systems (TOCS), Volume 34 Issue 4, January 2017

Reliability Analysis of SSDs Under Power Fault
Mai Zheng, Joseph Tucek, Feng Qin, Mark Lillibridge, Bill W. Zhao, Elizabeth S. Yang
Article No.: 10
DOI: 10.1145/2992782

Modern storage technology (solid-state disks (SSDs), NoSQL databases, commoditized RAID hardware, etc.) brings new reliability challenges to the already-complicated storage stack. Among other things, the behavior of these new components during...

The IX Operating System: Combining Low Latency, High Throughput, and Efficiency in a Protected Dataplane
Adam Belay, George Prekas, Mia Primorac, Ana Klimovic, Samuel Grossman, Christos Kozyrakis, Edouard Bugnion
Article No.: 11
DOI: 10.1145/2997641

The conventional wisdom is that aggressive networking requirements, such as high packet rates for small messages and μs-scale tail latency, are best addressed outside the kernel, in a user-level networking stack. We present ix, a...

Computational Sprinting: Architecture, Dynamics, and Strategies
Seyed Majid Zahedi, Songchun Fan, Matthew Faw, Elijah Cole, Benjamin C. Lee
Article No.: 12
DOI: 10.1145/3014428

Computational sprinting is a class of mechanisms that boost performance but dissipate additional power. We describe a sprinting architecture in which many, independent chip multiprocessors share a power supply and sprints are constrained by the...