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【dygraph】backward_api call backward_api_base by xiaoguoguo626807 · Pull Request #71205 · PaddlePaddle/Paddle · GitHub
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【dygraph】backward_api call backward_api_base #71205
xiaoguoguo626807
merged 1 commit into
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xiaoguoguo626807:grad_api4
Feb 21, 2025
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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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PR Category
Execute Infrastructure
PR Types
Improvements
Description
pcard-67164
phi api 目录下的反向api 调用原有反向api 的实现:
PADDLE_API std::tuple<Tensor, Tensor> add_grad(const Tensor& x, const Tensor& y, const Tensor& out_grad, int axis) {
Tensor x_grad;
Tensor y_grad;
}
修复 backward_api_base中头文件生成composite_only api 的接口,但是没有生成实现的问题 (删除头文件内容,composite_only_api 没有kernel)
适配dygraph_grad_function 中关于invoke api的调用路径, 原本invoke api 生成仍调用phi api 中的对应算子,修复后phi 中没有相应算子,需要在dygraph 层直接调用invoke的算子。