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  1. Proceedings of the 5th Workshop on Fault Tolerance for HPC at eXtreme Scale (FTXS '15)
  2. How Much SSD Is Useful for Resilience in Supercomputers
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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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How Much SSD Is Useful for Resilience in Supercomputers

Content Provider ACM Digital Library
Author Fang, Aiman Chien, Andrew A.
Abstract We consider the use of non-volatile memories in the form of burst buffers for resilience in supercomputers. Their cost and limited lifetime demand effective use and appropriate provisioning. We develop an analytic model for the behavior of workloads on systems with burst buffers, and use it to explore questions of cost-effective provisioning, and mission-directed allocation of burst-buffer (SSD) lifetime. First, our results show that system efficiency can be increased by as much as 14% by considering a global perspective (workload mix, job size) for SSD lifetime allocation. Second, with size-based and system-efficiency based lifetime allocation, large jobs suffer as much as 40% job efficiency loss; job-efficiency based allocation must increase their allocations by 50% to eliminate this disparity. Finally, further results suggest that under provisioning SSD lifetime (only 10-20% of the "optimum" as defined by per-job requirements without resource constraint) is sufficient to produce 90% system efficiency at failure rates three times that of current systems.
Starting Page 47
Ending Page 54
Page Count 8
File Format PDF
ISBN 9781450335690
DOI 10.1145/2751504.2751509
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2015-06-15
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Ssd lifetime High-performance computing Non-volatile memory Solid-state disk Provisioning Resilience Wear-leveling
Content Type Text
Resource Type Article
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