(self, val_loss, model, epoch=-1, save_multiple=False, save_all=False, val_psnr=None)
| 48 | os.mkdir(self.out_folder) |
| 49 | |
| 50 | def __call__(self, val_loss, model, epoch=-1, save_multiple=False, save_all=False, val_psnr=None): |
| 51 | |
| 52 | # find maximum psnr |
| 53 | if self.val_on_psnr: |
| 54 | score = val_psnr |
| 55 | if self.best_score is None: |
| 56 | self.best_score = score |
| 57 | self.save_checkpoint(val_psnr, model, epoch=epoch, save_multiple=save_multiple) |
| 58 | elif score < self.best_score + self.delta: |
| 59 | self.counter += 1 |
| 60 | |
| 61 | if self.counter >= self.patience: |
| 62 | self.early_stop = True |
| 63 | |
| 64 | if save_all: # save all ckpt |
| 65 | self.save_checkpoint(val_psnr, model, epoch=epoch, save_multiple=True, update_best=False) |
| 66 | else: # save best ckpt only |
| 67 | self.best_score = score |
| 68 | self.save_checkpoint(val_psnr, model, epoch=epoch, save_multiple=save_multiple) |
| 69 | self.counter = 0 |
| 70 | |
| 71 | # find minimum loss |
| 72 | else: |
| 73 | score = -val_loss |
| 74 | if self.best_score is None: |
| 75 | self.best_score = score |
| 76 | self.save_checkpoint(val_loss, model, epoch=epoch, save_multiple=save_multiple) |
| 77 | elif score < self.best_score + self.delta: |
| 78 | self.counter += 1 |
| 79 | |
| 80 | if self.counter >= self.patience: |
| 81 | self.early_stop = True |
| 82 | |
| 83 | if save_all: # save all ckpt |
| 84 | self.save_checkpoint(val_loss, model, epoch=epoch, save_multiple=True, update_best=False) |
| 85 | else: # save best ckpt only |
| 86 | self.best_score = score |
| 87 | self.save_checkpoint(val_loss, model, epoch=epoch, save_multiple=save_multiple) |
| 88 | self.counter = 0 |
| 89 | |
| 90 | def save_checkpoint(self, val_loss, model, epoch=-1, save_multiple=False, update_best=True): |
| 91 | '''Saves model when validation loss decrease.''' |
nothing calls this directly
no test coverage detected