Support dispensable inputs for eager final state codegen #39743
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jim19930609 force-pushed the eager_final_dispensable branch from 40ec920 to 383b27f Compare … eager_final_dispensable
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zyfncg approved these changes Feb 23, 2022
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Describe
Operator developers may mark an input tensor as "optional", where Tensor-typed input will be generated as "paddle::optional" and Vector-typed input will be generated as is.
At runtime, if any "NULL" input were detected at Python-C level, we will either pass through an uninitialized "paddle::optional" object or an empty vector, depending on the input type.