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Inferring the Scheduling Policies of an Embedded CUDA GPU

Nathan Otterness, Ming Yang, Tanya Amert, James H. Anderson, F. Donelson Smith
Department of Computer Science, University of North Carolina at Chapel Hill
13th Annual Workshop on Operating Systems Platforms for Embedded Real-Time Applications, 2017

@misc{otterness17inferring,

   title={Inferring the scheduling policies of an embedded CUDA GPU},

   author={Otterness, Nathan and Yang, Ming and Amert, Tanya and Anderson, J and Smith, F Donelson},

   publisher={OSPERT},

   year={2017}

}

Embedded systems augmented with graphics processing units (GPUs) are seeing increased use in safety-critical real-time systems such as autonomous vehicles. Due to monetary cost requirements along with size, weight, and power (SWaP) constraints, embedded GPUs are often computationally impoverished compared to those used in non-embedded systems. In order to maximize performance on these impoverished GPUs, we examine co-scheduling: allowing multiple applications concurrent access to a GPU. In this work, we use a new benchmarking framework to examine internal scheduling policies of the black-box hardware and software used to co-schedule GPU tasks on the NVIDIA Jetson TX1.
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