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Full-system modeling and simulation : contributions towards coupling, contention, and I/O
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Chester, Dean G., Wright, Steven A., Hammond, Simon D., Law, Timothy R., Smedley-Stevenson, Richard P., Maheswaran, Satheesh and Jarvis, Stephen A. (2019) Full-system modeling and simulation : contributions towards coupling, contention, and I/O. In: MODSIM 2019, Seattle, Washington, 14-16 Aug 2019 (Unpublished)
PDF (Poster presentation)
Warwick-SNL-Poster-FINAL .pdf - Published Version Embargoed item. Restricted access to Repository staff only - Requires a PDF viewer. Download (3734Kb) |
Abstract
Production machine performance has large variability. On the UK National Supercomputing Service, the time a job takes to complete can vary by as much as 53%. Load imbalance and shared resource contention are largely responsible, but we find that previous efforts to model application/architecture performance do not typically take these into account.
In this research we model and simulate network contention, which allows us to explore the impact of multiple interacting jobs and approaches to alleviate these effects, including network re-design and communication-staging within applications. We show the utility of this work on a variety of systems and interacting applications.
Item Type: | Conference Item (Poster) | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
Official Date: | 3 June 2019 | ||||
Dates: |
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Status: | Peer Reviewed | ||||
Publication Status: | Unpublished | ||||
Reuse Statement (publisher, data, author rights): | © British Crown Owned Copyright 2019/AWE | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 27 August 2019 | ||||
Conference Paper Type: | Poster | ||||
Title of Event: | MODSIM 2019 | ||||
Type of Event: | Workshop | ||||
Location of Event: | Seattle, Washington | ||||
Date(s) of Event: | 14-16 Aug 2019 | ||||
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