IEEE Transactions on Computers

IEEE Transactions on Computers (TC) is a monthly publication that publishes research in such areas as computer organizations and architectures, digital devices, operating systems, and new and important applications and trends.
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From the June 2012 Issue

The Reliability Wall for Exascale Supercomputing

By Xuejun Yang, Zhiyuan Wang, Jingling Xue, & Yun Zhou

Featured article thumbnail imageReliability is a key challenge to be understood to turn the vision of exascale supercomputing into reality. Inevitably, large-scale supercomputing systems, especially those at the peta/exascale levels, must tolerate failures, by incorporating fault-tolerance mechanisms to improve their reliability and availability. As the benefits of fault-tolerance mechanisms rarely come without associated time and/or capital costs, reliability will limit the scalability of parallel applications. This paper introduces for the first time the concept of "Reliability Wall” to highlight the significance of achieving scalable performance in peta/exascale supercomputing with fault tolerance.

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 Editorials and Announcements

PETCAM: A Power Efficient TCAM Architecture for Forwarding Tables

Introduction to “Concurrent On-Line Testing and Error/Fault Resilience of Digital Systems”

A word from the Editor-in-Chief, Albert Y. Zomaya

 

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