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Defined in tensorflow/python/data/experimental/ops/

A transformation that prefetches dataset values to the given device.

NOTE: Although the transformation creates a, the transformation must be the final Dataset in the input pipeline.


  • device: A string. The name of a device to which elements will be prefetched.
  • buffer_size: (Optional.) The number of elements to buffer on device. Defaults to an automatically chosen value.


A Dataset transformation function, which can be passed to