Malleable parallelism with minimal effort for maximal throughput and maximal hardware load

Spenke, Florian, Balzer, Karsten, Frick, Sascha, Hartke, Bernd and Dieterich, Johannes M. (2019) Malleable parallelism with minimal effort for maximal throughput and maximal hardware load Computational and Theoretical Chemistry, 1151 . pp. 72-77. DOI 10.1016/j.comptc.2019.02.002.

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Abstract

In practice, standard scheduling of parallel computing jobs almost always leaves significant portions of the available hardware unused, even with many jobs still waiting in the queue. The simple reason is that the resource requests of these waiting jobs are fixed and do not match the available, unused resources. However, with alternative but existing and well-established techniques it is possible to achieve a fully automated, adaptive parallelism that does not need pre-set, fixed resources. Here, we demonstrate that such an adaptively parallel program can run productively on a machine that is traditionally considered “full” and thus can indeed fill all such scheduling gaps, even in real-life situations on large supercomputers in which a fixed-size job could not have started.

Document Type: Article
Research affiliation: Kiel University > Kiel Marine Science
OceanRep > The Future Ocean - Cluster of Excellence
Kiel University
Refereed: Yes
DOI etc.: 10.1016/j.comptc.2019.02.002
ISSN: 2210271X
Date Deposited: 07 Aug 2019 12:53
Last Modified: 07 Aug 2019 12:53
URI: http://eprints.uni-kiel.de/id/eprint/47428

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