[API Compatible ]Provide mechanical support for the Python API to sink to the C++ layer #74601
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你的PR提交成功，感谢你对开源项目的贡献! |
DanielSun11
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DanielSun11
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XieYunshen
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Aug 15, 2025
zyfncg
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| python_api : | ||
| name : [paddle.amax,paddle.Tensor.amax] | ||
| args_alias: | ||
| x : [input,x1] | ||
| axis : [dim] |
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好！计划增加一些默认规则的转换，比如x和input以及dim和axis的对应关系，这些非常通用的对应关系就不需要在yaml中显示的写出了
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PR Category
Operator Mechanism
PR Types
New features
Description
API C++ 下沉方案机制建设。
为了解决装饰器方案开销较大的问题，制定了API下沉至C++层的方案，该方案在C++层面实现了：
整体改动：
修改python_c code Gen的生成逻辑。在
paddle/fluid/pybind/eager_op_function.cc以及paddle/fluid/pybind/static_op_function.cc中的代码生成时添加对 参数解析（关键字传参、组合传参）、参数映射（参数重命名）、默认值处理（python api的默认值下沉到C++处理）、自定义处理逻辑（应对复杂的参数映射场景、在python中对参数的预处理场景）utils功能增强。
paddle/fluid/pybind/eager_utils.ccpaddle/fluid/pybind/op_function_common.cc中新增了部分用于从args和kwargs里取参数的函数，以及对一些PyObject转C++ 数据类型的一些utils增加了默认值设置功能。文档与api绑定。新增python/paddle/_paddle_docs.py 用于存放/注册下沉后的API的文档，新增_add_docstr 用于为下称后的C++ API绑定API。
新增monkey pacth自动生成功能。主要用于将下沉后的C++ API注册为Tensor/Value 的method。
ops yaml 格式的新增映射条目 。 增加python_api映射条目，用于描述对应的python API，参数别名、自定义处理逻辑的接口。
pcard-67164