CPU-GPU Collaboration for Output Quality Monitoring

Mehrzad Samadi, Scott Mahlke
Advanced Computer Architecture Laboratory, University of Michigan – Ann Arbor, MI
First Workshop on Approximate Computing Across the System Stack (WACAS), 2014


   title={CPU-GPU Collaboration for Output Quality Monitoring},

   author={Samadi, Mehrzad and Mahlke, Scott},



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In this paper, we proposed a new low overhead collaborative technique of output quality monitoring for approximate computing on GPUs. In this technique, the CPU is responsible for performing quality monitoring while the GPU executes approximate kernels. For two image processing applications, we showed that this technique outperforms previous quality monitoring techniques.
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