Department of Computer Systems

Conference paper

NIKL Vojtěch. High Performance Computing on Low Power Devices. In: Počítačové architektury a diagnostika 2015. Zlín: Faculty of Applied Informatics, Tomas Bata University in Zlín, 2015, pp. 37-41. ISBN 978-80-7454-522-1.
Publication language:english
Original title:High Performance Computing on Low Power Devices
Title (cs):Vysoce náročné výpočty na nízkopříkonových zařízeních
Pages:37-41
Proceedings:Počítačové architektury a diagnostika 2015
Conference:Počítačové architektury a diagnostika 2015
Place:Zlín, CZ
Year:2015
ISBN:978-80-7454-522-1
Publisher:Faculty of Applied Informatics, Tomas Bata University in Zlín
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Keywords
HPC, parallelism, low power, processor architecture, supercomputers, k-Wave toolbox, MPI, OpenMP, performance evaluation, numerical methods
Annotation
Nowadays, the power efficiency of modern processors is becoming more and more important next to the overall performance itself. Many programming tasks and problems do not scale very well with higher number of cores due to being memory or communication bound, therefore it is often not beneficial to use faster chips to achieve better runtimes. In this case, employing slower low power processors or accelerators may be much more efficient, mainly because it is possible to get the same results using much less energy and possibly after the same amount of time, given the algorithm can scale to higher number of cores after apply-ing some adjustments fitting the low power architecture. This paper describes the benefits of using low power chips for building an HPC cluster, the group of algorithms where this approach can be useful, results achieved so far and future plans.
BibTeX:
@INPROCEEDINGS{
   author = {Vojt{\v{e}}ch Nikl},
   title = {High Performance Computing on Low Power Devices},
   pages = {37--41},
   booktitle = {Po{\v{c}}{\'{i}}ta{\v{c}}ov{\'{e}} architektury a
	diagnostika 2015},
   year = {2015},
   location = {Zl{\'{i}}n, CZ},
   publisher = {Faculty of Applied Informatics, Tomas Bata University in
	Zl{\'{i}}n},
   ISBN = {978-80-7454-522-1},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php.en.iso-8859-2?id=10929}
}

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