[PHI] Add uint8/int16 CUDA atomic mul/min/max and upgraded take/put_along_axis (input types) #74693
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zhangbo9674
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Aug 19, 2025
Luckycheng222
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Aug 25, 2025
…long_axis (input types) (PaddlePaddle#74693) * [PHI] Aligned uint8 and int16 atomic funcs * [PHI] Removed some of the GPU only constraints. * [PHI] Fixed put_along_axis CPU end test error
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PR Category
Operator Mechanism
PR Types
Improvements
Description
在 gpu_primitives 中增加了 uint8/int16 两种类型的 CUDA atomic functions，针对如下三种操作：
对应的单测通过
put_along_axis相关的单测实现并进行。同时兼容升级了put_along_axis以及take_along_axis，增加了 int16/uint8 的支持（除了上述三种op，add也增加了支持，只不过add的atomic uint8 int16操作原本就存在），删除了某些文件中 SFINAE 实现的 uint8/int16 绕过。除此之外，这些 atomic primitives 本身由于无法导出单测，本人在 Enigmatisms/atomic_playground 中导出了 Python 接口，与 host 端std::accumulation结果进行了大量对比测试。Pcard-89620