Backward anomaly problem

[ikourbane]

Backward anomaly problem

[anjaeju]

Thanks you for Issues ikourbane.

I also encounter this issues here.
Even though, i changed the code you write above, the backward gradient doesn't flow.
could you give me some more details?

Fixed. I also changed all inplace operations. U should change the all inplace operation in code lines including the above codes.

[ikourbane]

I just fixed the inplace operations.

[anjaeju]

Thanks you for Issues ikourbane.

I also encounter this issues here.
Even though, i changed the code you write above, the backward gradient doesn't flow.
could you give me some more details?

[XGBoost]

@anjaeju could you please provide the corresponding modified code? Thank you very much!

[jungeun122333]

I also modified grad_mag and other things according to @anjaeju !

before:

grad_mag = torch.sqrt(grad_x_r**2 + grad_y_r**2) 
grad_mag += torch.sqrt(grad_x_g**2 + grad_y_g**2) 
grad_mag += torch.sqrt(grad_x_b**2 + grad_y_b**2)
        

after:

grad_mag = torch.sqrt(grad_x_r**2 + grad_y_r**2) + torch.sqrt(grad_x_g**2 + grad_y_g**2) + torch.sqrt(grad_x_b**2 + grad_y_b**2)