INNER CODE UNIT · Python

contact_distill_loss

QizhiPei/FABind · FABind/fabind/main_fabind.py:402

        contact_distill_loss = args.pair_distance_distill_loss_weight * criterion(y_pred_by_coord, y_pred) if len(y_pred) > 0 else torch.tensor([0])

        com_coord_loss = args.coord_loss_weight * com_coord_criterion(com_coord_pred, com_coord) if len(com_coord) > 0 else torch.tensor([0])
        
        
        sd = ((com_coord_pred.detach() - com_coord) ** 2).sum(dim=-1)
        rmsd = scatter_mean(sd, index=compound_batch, dim=0).sqrt().detach()

        centroid_pred = scatter_mean(src=com_coord_pred, index=compound_batch, dim=0)
        centroid_true = scatter_mean(src=com_coord, index=compound_batch, dim=0)
        centroid_dis = (centroid_pred - centroid_true).norm(dim=-1)
        
        loss = com_coord_loss + \
            contact_loss + contact_by_pred_loss + contact_distill_loss + \
            pocket_cls_loss + \
            pocket_coord_loss
        
        accelerator.backward(loss)

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