[0-size Tensor No.27、290] Add 0-size Tensor support for broadcast_to API. #72721
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DanielSun11
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co63oc
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May 22, 2025
…API. (PaddlePaddle#72721) * fix 0 size Tensor for expand kernel in onednn * format * expand_grad support 0 size Tensor * fix bug and add unittest * modify the unittest for onednn kernel * modify expand unittest to force enable onednn op
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PR Category
Execute Infrastructure
PR Types
Improvements
Description
对 #70125 的完善。
#70125 中未对OneDNN对应的kernel进行更改，而且OneDNN存在很明显的问题。
OneDNN中的expand kernel对shape中存在0的情况未进行处理。进而不支持如下几个case：
这几个case在torch中能正常执行，但是在paddle broadcast_to OneDNN 版本中输出的shape和torch中的shape不一致。
修复方法：
Pcard-67164