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Multi-core scalability measurements: issues and solutions
Umeå University, Faculty of Science and Technology, Department of Computing Science.
2013 (English)In: Applied Parallel and Scientific Computing: 11th International Conference, PARA 2012, Helsinki, Finland, June 10-13, 2012, Revised Selected Papers / [ed] Pekka Manninen, Per Öster, Springer Berlin/Heidelberg, 2013, 319-327 p.Conference paper, Published paper (Refereed)
Abstract [en]

We discuss how power management development in multi-core processors to achieve higher performance using automatic frequency scaling can cause artifacts when doing performance comparisons and give pessimistic efficiency estimates for algorithms. Overclocking also causes underestimates of the theoretical peak performance of the CPU as can be seen in some cases on the TOP500 list. We show that overclocking capabilities, when available, must be taken into account in thread scheduling for better overall performance.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2013. 319-327 p.
Series
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), ISSN 0302-9743 ; 7782
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:umu:diva-83244DOI: 10.1007/978-3-642-36803-5_23ISI: 000343867800023ISBN: 978-3-642-36802-8 (print)ISBN: 978-3-642-36803-5 (print)OAI: oai:DiVA.org:umu-83244DiVA: diva2:665934
Conference
11th International Conference on Applied Parallel and Scientific Computing, PARA 2012, 10 June 2012 through 13 June 2012, Helsinki
Available from: 2013-11-21 Created: 2013-11-21 Last updated: 2014-12-04Bibliographically approved

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CiteExportLink to record
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Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
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  • asciidoc
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