wkcn commented on a change in pull request #16778: custom op full_like
URL: https://github.com/apache/incubator-mxnet/pull/16778#discussion_r345014417
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File path: python/mxnet/numpy_op_fallback.py
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@@ -49,6 +49,73 @@ def _register_helper(prop_cls):
return _register_helper
+@use_np # enforce np shape and array semantics for all the methods in this
class
+class FullLike(operator.CustomOp):
+ """Fallback to NumPy full_like operator."""
+ def __init__(self, fill_value, dtype, order, subok, shape):
+ super(FullLike, self).__init__()
+ self._fill_value = fill_value
+ self._dtype = dtype
+ self._order = order
+ self._subok = subok
+ self._shape = shape
+
+ def forward(self, is_train, req, in_data, out_data, aux):
+ np_version = np.version.version
+ if np_version == '1.17.0':
+ out = np.full_like(in_data[0].asnumpy(), self._fill_value,
dtype=self._dtype, order=self._order,
Review comment:
It will be faster to use `mx.nd.full(shape, fill_value)`
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