CLTune: A Generic Auto-Tuner for OpenCL Kernels

  title={CLTune: A Generic Auto-Tuner for OpenCL Kernels},
  author={Cedric Nugteren and Valeriu Codreanu},
  journal={2015 IEEE 9th International Symposium on Embedded Multicore/Many-core Systems-on-Chip},
This work presents CLTune, an auto-tuner for OpenCL kernels. It evaluates and tunes kernel performance of a generic, user-defined search space of possible parameter-value combinations. Example parameters include the OpenCL workgroup size, vector data-types, tile sizes, and loop unrolling factors. CLTune can be used in the following scenarios: 1) when there are too many tunable parameters to explore manually, 2) when performance portability across OpenCL devices is desired, or 3) when the… CONTINUE READING
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