ValueError: (InvalidArgument) Tensor holds the wrong type, it holds ::paddle::platform::bfloat16, but desires to be float.
[Hint: Expected valid == true, but received valid:0 != true:1.] (at /paddle/paddle/fluid/framework/tensor_impl.h:33)
[operator < elementwise_mul > error]

L1loss损失函数不支持bfloat16类型

paddlepaddle模型张量计算如何更改数据类型呢？或者如何向L1loss添加数据类型支持。