2015
DOI: 10.1007/978-3-319-17248-4_1
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Algebraic Multigrid on a Dragonfly Network: First Experiences on a Cray XC30

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Cited by 3 publications
(5 citation statements)
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“…Thesis contributions multiple features that well describe the traffic pattern, in order to incorporate the complex effects of communication over a large-scale system. We compare the predictive ability of our models against a baseline analytical model and semi-empirical models, following the methodology proposed by Ghavari et al [Gahvari et al, , 2014. Our empirical approach outperforms any other approach in terms of prediction accuracy and provides accurate and meaningful predictions in scenarios of communication-aware decision-making.…”
Section: Motivationmentioning
confidence: 99%
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“…Thesis contributions multiple features that well describe the traffic pattern, in order to incorporate the complex effects of communication over a large-scale system. We compare the predictive ability of our models against a baseline analytical model and semi-empirical models, following the methodology proposed by Ghavari et al [Gahvari et al, , 2014. Our empirical approach outperforms any other approach in terms of prediction accuracy and provides accurate and meaningful predictions in scenarios of communication-aware decision-making.…”
Section: Motivationmentioning
confidence: 99%
“…A semi-empirical approach is taken by Gah-27 2. Background and problem definition vari et al [Gahvari et al, , 2014, where the latency-bandwidth model is extended with empirical parameters for the modeling of the Algebraic Multigrid. This approach enhances the accuracy of the latency-bandwidth model by adding awareness of the process mapping, network architecture, and topology, and its time of prediction is at runtime prior to the execution, for many applications that expose point-to-point communication patterns, as the Fast Multipole Method [Ibeid et al, 2016].…”
Section: Related Workmentioning
confidence: 99%
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