Konferenzbeitrag
Using renderscript and RCUDA for compute intensive tasks on mobile devices: a case study
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Dokumententyp
Text/Conference Paper
Dateien
Datum
2013
Zeitschriftentitel
ISSN der Zeitschrift
Bandtitel
Quelle
Software Engineering 2013 - Workshopband
Regular Research Papers
Verlag
Gesellschaft für Informatik e.V.
Zusammenfassung
The processing power of mobile devices is continuously increasing. In this paper we perform a case study in which we assess three different programming models that can be used to leverage this processing power for compute intensive tasks. We use an imaging algorithm and compare a reference implementation of this algorithm based on OpenCV with a multi threaded RenderScript implementation and an implementation based on computation offloading with Remote CUDA. Experiments show that on a modern Tegra 3 quad core device a multi threaded implementation can achieve a 2.2 speed up factor at the same energy cost, whereas computation offloading does neither lead to speed ups nor energy savings.