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add reference to gpu external memory (#5490)

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Rong Ou 2020-04-06 16:15:58 -07:00 committed by GitHub
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doc/gpu/index.rst
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@ -40,6 +40,8 @@ Supported parameters
+================================+==============+
| ``subsample`` | |tick| |
+--------------------------------+--------------+
| ``sampling_method`` | |tick| |
+--------------------------------+--------------+
| ``colsample_bytree`` | |tick| |
+--------------------------------+--------------+
| ``colsample_bylevel`` | |tick| |
@ -211,6 +213,7 @@ Working memory is allocated inside the algorithm proportional to the number of r
The quantile finding algorithm also uses some amount of working device memory. It is able to operate in batches, but is not currently well optimised for sparse data.
If you are getting out-of-memory errors on a big dataset, try the `external memory version <../tutorials/external_memory.html>`_.
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