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[Dy2St][PIR] Re-create ShadowOutput OP in split forward-backward by SigureMo · Pull Request #63764 · PaddlePaddle/Paddle · GitHub
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[Dy2St][PIR] Re-create ShadowOutput OP in split forward-backward #63764
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[Dy2St][PIR] Re-create ShadowOutput OP in split forward-backward #63764
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你的PR提交成功，感谢你对开源项目的贡献! |
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LGTM
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PR Category
Execute Infrastructure
PR Types
Bug fixes
Description
我们在添加反向之前的原始 program 就添加了 shadow output OP 以定位输出是哪些
在原来的逻辑中，在前反向切分时候仍然会将这些 OP 一并 clone 到新的前向 Program 中，对于这些 OP，我们没有必要重新添加 shadow output，因此在为输出添加 shadow output 时候就需要判断是否已经添加，但现在的判断逻辑是不鲁棒的，用于生成 name 的 counter 是完全对不上的
因此本 PR 在前反向切分时 clone OP 时跳过 shadow output，这样为输出创建 shadow output 时就没有必要再使用奇怪的逻辑去跳过了
PCard-66972