Add custom op declaration for `all_reduce`#3473

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Jiang-Jia-Jun merged 2 commits intoPaddlePaddle:developfrom

cattidea:all_reduce_custom_op

Aug 20, 2025

Commits on Aug 19, 2025

add custom op declaration
DrRyanHuang
committed

Commits on Aug 20, 2025

roll back try except
DrRyanHuang
committed