removed auto saving after every epoch in train.py

Author: Plachtaa

train.py

@@ -385,22 +385,6 @@ def train(self):
         for epoch in range(self.n_epochs):
             self.epoch = epoch
             self.train_one_epoch()
-            # Save after each epoch
-            print('Epoch completed. Saving..')
-            state = {
-                'net': {key: self.model[key].state_dict() for key in self.model},
-                'optimizer': self.optimizer.state_dict(),
-                'scheduler': self.optimizer.scheduler_state_dict(),
-                'iters': self.iters,
-                'epoch': self.epoch,
-            }
-            save_path = os.path.join(
-                self.log_dir,
-                f'DiT_epoch_{self.epoch:05d}_step_{self.iters:05d}.pth'
-            )
-            torch.save(state, save_path)
-            print(f"Checkpoint saved at {save_path}")
-
             if self.iters >= self.max_steps:
                 break