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With the introduction of the stride mechanism in dygraph, and the relevant OPs output view has been enabled by default, indexing in Paddle needs to be adjusted accordingly.
In dygraph mode:
__getitem__: Basic-indexing will output view of Tensor.
__setitem__: Advanced-indexing just assign value directly on the view of original Tensor, without an additional set_value. Moreover, we call set_value dygraph function instead of append_op, since the latter does not support the stride mechanism.
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PR types
Function optimization
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Description
Pcard-66985
With the introduction of the stride mechanism in dygraph, and the relevant OPs output view has been enabled by default, indexing in Paddle needs to be adjusted accordingly.
In dygraph mode:
__getitem__
: Basic-indexing will output view of Tensor.__setitem__
: Advanced-indexing just assign value directly on the view of original Tensor, without an additional set_value. Moreover, we call set_value dygraph function instead of append_op, since the latter does not support the stride mechanism.