Is it ok to train with train_blur_jpeg and train_blur_bicubic？

[ula9zGyBU]

train_sharp is too big.
Is it ok to train with train_blur_jpeg and train_blur_bicubic？What will happen when using them?

[ChengxuLiu]

These are the two different settings in REDS, and the results are of course different.
Btw, as far as I know, people usually use train_shape and train_shape_bicubic.