11298

A Dynamic Offload Scheduler for spatial multitasking on Intel Xeon Phi Coprocessor

Takamichi Miyamoto, Kazuhisa Ishizaka, Takeo Hosomi
Green Platform Research Laboratories, NEC Corporation, Shimonumabe 1753, Kawasaki, Kanagawa, Japan
The 18th Workshop on Synthesis And System Integration of Mixed Information technologies (SASIMI), 2013

@article{miyamoto2013dynamic,

   title={A Dynamic Offload Scheduler for spatial multitasking on Intel Xeon Phi Coprocessor},

   author={Miyamoto, Takamichi and Ishizaka, Kazuhisa and Hosomi, Takeo},

   year={2013}

}

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Intel Xeon Phi Coprocessor appears and it fully supports multitasking, but it does not automatically ensure high performance in this case. A conventional task level resource allocation scheduler could be used, but a processor utilization of the Xeon Phi is low because of idle time on the Xeon Phi. In this paper, we propose a dynamic offload scheduler which assigns processor resources of the Xeon Phi to tasks by an offload level. We describe an effectiveness of the proposed method with evaluations.
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