Add float16 and bfloat16 support and test for argsort

[enkilee]

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• 数据类型扩展任务 #54871 - 2 argsort
  Add float16 and bfloat16 support and test for argsort

[paddle-bot]

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[enkilee]

@zhangting2020 婷姐，下面这个报错，怎么会到mean_grad那去了？

2023-07-07 19:05:43 NotFoundError: The kernel with key (GPU, Undefined(AnyLayout), int64) of kernel `mean_grad` is not registered and fail to fallback to CPU one. Selected wrong DataType `int64`. Paddle support following DataTypes: complex64, bool, float16, bfloat16, complex128, float32, float64.
2023-07-07 19:05:43   [Hint: Expected kernel_iter != iter->second.end(), but received kernel_iter == iter->second.end().] (at ..\paddle\phi\core\kernel_factory.cc:304)

[zhangting2020]

@zhangting2020 婷姐，下面这个报错，怎么会到mean_grad那去了？

2023-07-07 19:05:43 NotFoundError: The kernel with key (GPU, Undefined(AnyLayout), int64) of kernel `mean_grad` is not registered and fail to fallback to CPU one. Selected wrong DataType `int64`. Paddle support following DataTypes: complex64, bool, float16, bfloat16, complex128, float32, float64.
2023-07-07 19:05:43   [Hint: Expected kernel_iter != iter->second.end(), but received kernel_iter == iter->second.end().] (at ..\paddle\phi\core\kernel_factory.cc:304)

我调试看看原因

[paddle-ci-bot]

Sorry to inform you that 3587083's CIs have passed for more than 7 days. To prevent PR conflicts, you need to re-run all CIs manually.

[zhangting2020]

记得更新中文文档