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  1. Proceedings of the 5th Workshop on Fault Tolerance for HPC at eXtreme Scale (FTXS '15)
  2. Resilient Matrix Multiplication of Hierarchical Semi-Separable Matrices
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Failures in Large-Scale Systems: Insights from the Field
A Principled Approach to HPC Event Monitoring
Resilient Matrix Multiplication of Hierarchical Semi-Separable Matrices
How Much SSD Is Useful for Resilience in Supercomputers
LogDiver: A Tool for Measuring Resilience of Extreme-Scale Systems and Applications
Voltage Overscaling Algorithms for Energy-Efficient Workflow Computations With Timing Errors
The Path to Exascale: Code Optimizations and Hardening Solutions Reliability
Empirical Studies of the Soft Error Susceptibility ofSorting Algorithms to Statistical Fault Injection
Transient Fault Resilient QR Factorization on GPUs
Evolving the Message Passing Programming Model via a Fault-Tolerant, Object-oriented Transport Layer

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Resilient Matrix Multiplication of Hierarchical Semi-Separable Matrices

Content Provider ACM Digital Library
Author Austin, Brian Roman, Eric Li, Xiaoye
Abstract The hierarchical semi-separable (HSS) matrix factorization has useful characteristics for representing low-rank operators on extreme scale computing systems. To prepare for the higher error rates anticipated with future architectures, this paper introduces new fault-tolerant algorithms for HSS matrix multiplication that maintain efficient performance in the presence of high error rates. The measured runtime overhead for error checking and data preservation using the Containment Domains library is exceptionally small and encourages the use of frequent, fine-grained error checking when using algorithm based fault tolerance.
Starting Page 19
Ending Page 26
Page Count 8
File Format PDF
ISBN 9781450335690
DOI 10.1145/2751504.2751507
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2015-06-15
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Abft Numerical methods Error detection Hss
Content Type Text
Resource Type Article
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