Scott Levy
Sandia National Laboratories
54 Papers
122 Citations
Scott Levy is an academic researcher from Sandia National Laboratories. The author has contributed to research in topics: Computer science & Scalability. The author has an hindex of 9, co-authored 50 publications. Previous affiliations of Scott Levy include University of New Mexico.
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Papers
Lessons learned from memory errors observed over the lifetime of Cielo
Scott Levy,Kurt B. Ferreira,Nathan DeBardeleben,Taniya Siddiqua,Vilas Sridharan,Elisabeth Baseman +5 more
- 11 Nov 2018
TL;DR: A corpus of empirical failure data collected over the entire five-year lifetime of Cielo, a leadership-class HPC system, provides critical analysis of, and guidance for, the deployment of extreme-scale systems.
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Using Simulation to Evaluate the Performance of Resilience Strategies at Scale.
Scott Levy,Bryan Embry Topp,Kurt B. Ferreira,Dorian Arnold,Torsten Hoefler,Patrick Widener +5 more
- 18 Nov 2013
TL;DR: This work identifies the set of system characteristics that are necessary for accurate performance prediction of resilience mechanisms for HPC systems and applications; demonstrates how these system characteristics can be incorporated into an existing large-scale simulator; and evaluates the predictive performance of the modified simulator.
Understanding the effects of communication and coordination on checkpointing at scale
Kurt B. Ferreira,Patrick Widener,Scott Levy,Dorian Arnold,Torsten Hoefler +4 more
- 16 Nov 2014
TL;DR: This work provides a critical analysis and comparison of coordinated and uncoordinated check pointing and enables users and system administrators to fine-tune the check pointing scheme to the application and system characteristics.
Faodel: Data Management for Next-Generation Application Workflows
Craig D. Ulmer,Shyamali Mukherjee,Gary J. Templet,Scott Levy,Jay Lofstead,Patrick Widener,Todd Kordenbrock,Margaret Lawson +7 more
- 11 Jun 2018
TL;DR: A set of data services, Faodel, are introduced, which provide scalable data management for workflows and composed applications and allows workflow components to directly and efficiently exchange data in semantically appropriate forms, rather than those dictated by the storage hierarchy or programming model in use.
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Characterizing MPI matching via trace-based simulation
Kurt B. Ferreira,Scott Levy,Kevin Pedretti,Ryan E. Grant +3 more
- 25 Sep 2017
TL;DR: This paper uses a trace-based simulation approach to obtain detailed MPI message matching performance data for MPI applications without perturbing their execution and presents data about search lengths and the duration that messages spend in the queues waiting to be matched.
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