Support NoNeedBuffer for final state codegen #39628
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zyfncg
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Feb 21, 2022
paddle/fluid/eager/tensor_wrapper.h
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| // shallow copy tensor_impl here | ||
| intermidiate_tensor_.set_impl(tensor.impl()); | ||
| if (no_need_buffer) { | ||
| if (pten::DenseTensor::classof(tensor.impl().get())) { |
… final_state_no_need_buffer
zyfncg
approved these changes
Feb 21, 2022
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Describe
Op developers may now write "no_need_buffer: X, Y" in Yaml file, so as to drop the underlying allocation for Tensor X and Tensor Y when creating TensorWrapper.
AutoCoden script will detect "no_need_buffer" field and set a special boolean when constructing TensorWrapper. In that scenario, TensorWrapper will only copy everything except for the underlying allocation from Tensor X or Tensor.