RuntimeError: element 0 of tensors does not require grad and does not have a grad_fn

IIT-PAVIS / DiffAssemble

Official repository for "DiffAssemble: A Unified Graph-Diffusion Model for 2D and 3D Reassembly" accepted at CVPR2024

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RuntimeError: element 0 of tensors does not require grad and does not have a grad_fn #1

Open Daisling opened 6 months ago

Daisling commented 6 months ago

Thanks for your great work! But when I run this code I meet this problem:

Pergo01 commented 4 months ago

Same problem for me. I couldn't find a solution yet. If you did, please tell me.

pmorerio commented 3 months ago

@gianscarpe @FGiuliari any hint?

Pergo01 commented 3 months ago

@gianscarpe @FGiuliari any hint?

Are there any news?

Stefa1994 commented 3 months ago

Hi, we discovered the problem, and it's related to the optimizer Adafactor. We are trying to carefully define the environment we were using for running the experiment. You will have an update soon.