[API Compatibility]add paddle.narrow #74546
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python/paddle/tensor/manipulation.py
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| def narrow( | ||
| input: Tensor, | ||
| dim: int, | ||
| start: Sequence[int | Tensor], |
python/paddle/tensor/manipulation.py
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| [8, 6] | ||
| >>> # the stride is [6, 1]. | ||
| """ | ||
| offset *= paddle.core.size_of_dtype(x.dtype) |
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这里改动应该会不兼容，可以把这行改动放到 paddle.narrow 里面去
SigureMo
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PR Category
Operator Mechanism
PR Types
New features
Description
Pcard-73145
添加paddle.narrow
torch是直接调用其slice算子，slice是调用了as_strided返回视图，保证返回的tensor与输入tesnor共享内存 https://github.com/pytorch/pytorch/blob/ee1b0412b919dfb358d5a697b3be49621497fbc2/aten/src/ATen/native/TensorShape.cpp#L1665