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Cooperative Heterogeneous Computing for Parallel Processing on CPU/GPU Hybrids

Changmin Lee, Won W. Ro, Jean-Luc Gaudiot
School of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, Republic of Korea
The 16th Workshop on Interaction between Compilers and Computer Architectures (INTERACT-16), 2012

@article{lee2012cooperative,

   title={Cooperative Heterogeneous Computing for Parallel Processing on CPU/GPU Hybrids},

   author={Lee, Changmin and Ro, Won W. and Gaudiot, Jean-Luc},

   year={2012}

}

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This paper presents a cooperative heterogeneous computing framework which enables the efficient utilization of available computing resources of host CPU cores for CUDA kernels, which are designed to run only on GPU. The proposed system exploits at runtime the coarse-grain threadlevel parallelism across CPU and GPU, without any source recompilation. To this end, three features including a work distribution module, a transparent memory space, and a global scheduling queue are described in this paper. With a completely automatic runtime workload distribution, the proposed framework achieves speedups as high as 3.08 compared to the baseline GPU-only processing.
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