[API] Add __cuda_array_interface__ for eager Tensor
#68192
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…d add unitest for cuda_array_interface
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SigureMo
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Sep 14, 2024
| CPU, | ||
| ALL_LAYOUT, | ||
| phi::NumelKernel, | ||
| int8_t, |
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numel 中英文 API 文档是不是也应该体现这一点修改？
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感觉可以跟下个PR一起改掉
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__cuda_array_interface__ `for eager Tensor
SigureMo
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__cuda_array_interface__ `for eager Tensor__cuda_array_interface__ for eager Tensor
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We support `paddle.Tensor.__cuda_array_interface__`(PaddlePaddle/Paddle#68192) and `paddle.to_tensor(tenosr_with_CAI_impl)`(PaddlePaddle/Paddle#69913), so we can convert paddle Tensor from/to other DL frameworks via CAI(based on CAI version 2).
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PR Category
User Experience
PR Types
New features
Description
Pcard-75624
为eager Tensor添加
__cuda_array_interface__属性，从而允许paddle.Tensor被不同的GPU计算框架在同相同设备上以零拷贝的方式使用。添加对应单测。属性定义规范参考：https://numba.readthedocs.io/en/0.52.0/cuda/cuda_array_interface.html(与其他框架对齐，采用version 2而非version 3)
代码参考:
Support the __cuda_array_interface__ protocol tensorflow/tensorflow#29039
Add paddle backend NVIDIA/warp#313
https://github.com/pytorch/pytorch/blob/e54b559e8860e343692bb5534777b2384a57a613/torch/_tensor.py#L1185-L1252
paddle.numel支持uint8和int8类型，添加对应单测。