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xgboost: GPU support #2

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minimaxir opened this issue Mar 19, 2019 · 1 comment
Closed

xgboost: GPU support #2

minimaxir opened this issue Mar 19, 2019 · 1 comment

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@minimaxir
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xgboost supports GPUs by setting gpu_hist instead of hist, and the code is prepared for that. Two problems:

  1. Unlike TensorFlow, xgboost does not have a way to automatically determine if a GPU is present.
  2. GPU hist training requires a Pascal minimum; the GPUs in Colaboratory notebooks are K80s (Kepler) which does not qualify.

Will keep at CPU support for now but there has to be a better solution.
@minimaxir
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Added GPU support w/ explicit caveats.

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@minimaxir