Performance Gaps between OpenMP and OpenCL for Multi-core CPUs

  title={Performance Gaps between OpenMP and OpenCL for Multi-core CPUs},
  author={Jie Shen and Jianbin Fang and Henk J. Sips and Ana Lucia Varbanescu},
  journal={2012 41st International Conference on Parallel Processing Workshops},
OpenCL and OpenMP are the most commonly used programming models for multi-core processors. They are also fundamentally different in their approach to parallelization. In this paper, we focus on comparing the performance of OpenCL and OpenMP. We select three applications from the Rodinia benchmark suite (which provides equivalent OpenMP and OpenCL implementations), and carry out experiments with different datasets on three multi-core platforms. We see that the incorrect usage of the multi-core… CONTINUE READING
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