train_partseg.py. The training time is too long — is this normal? Each epoch takes nearly three hours. <img width="855" height="171" alt="Image" src="https://github.com/user-attachments/assets/78022b4d-50fd-45eb-b504-e3ff26fe3313" />
train_partseg.py. The training time is too long — is this normal? Each epoch takes nearly three hours.
