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Heuristics for Thread-Level Speculation in Web Applications
Blekinge Institute of Technology, School of Computing.
Blekinge Institute of Technology, School of Computing.
2014 (English)In: IEEE Computer Architecture Letters, ISSN 1556-6056, Vol. 13, no 2, 77-80 p.Article in journal (Refereed) Published
Abstract [en]

JavaScript is a sequential programming language, and Thread-Level Speculation has been proposed to dynamically extract parallelism in order to take advantage of parallel hardware. In previous work, we have showed significant speed-ups with a simple on/off speculation heuristic. In this paper, we propose and evaluate three heuristics for dynamically adapt the speculation: a 2-bit heuristic, an exponential heuristic, and a combination of these two. Our results show that the combined heuristic is able to both increase the number of successful speculations and decrease the execution time for 15 popular web applications.

Place, publisher, year, edition, pages
IEEE , 2014. Vol. 13, no 2, 77-80 p.
Keyword [en]
Multicore processors, Parallel Computing, Automatic Parallelization, JavaScript
National Category
Computer Science
URN: urn:nbn:se:bth-6342DOI: 10.1109/L-CA.2013. 26ISI: 000346979300006Local ID: diva2:833839
Available from: 2015-05-26 Created: 2013-11-26 Last updated: 2015-06-30Bibliographically approved

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Grahn, Håkan
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