International Journal of Networking and Computing
Online ISSN : 2185-2847
Print ISSN : 2185-2839
Special Issue on the First International Symposium on Computing and Networking
A Fine Grained Cycle Sharing System with Cooperative Multitasking on GPUs
Fumihiko InoYosuke OkaKenichi Hagihara
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Volume 4 (2014) Issue 2 Pages 236-250

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The emergence of compute unified device architecture (CUDA), which has relieved application developers from having to understand complex graphics pipelines, has made the graphics processing unit (GPU) useful not only for graphics applications but also for general applications. In this paper, we present a cycle sharing system named GPU grid, which exploits idle GPU cycles to accelerate scientific applications. Our cycle sharing system implements a cooperative multitasking technique, which is useful for remotely executing a guest application on a donated host machine without causing a significant slowdown on the host. In addition, our system estimates whether a GPU is busy, partially idle, or fully idle, to accordingly maximize guest application throughput. Experimental results show that our system not only avoids frame rate degradation but also achieves a 91\% higher guest application throughput in comparison to a previous system that estimates GPU load by monitoring mouse and keyboard activities.

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© 2014 International Journal of Networking and Computing
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