Computes and stores the average and current value.
| 34 | |
| 35 | |
| 36 | class AverageMeter(object): |
| 37 | """Computes and stores the average and current value.""" |
| 38 | def __init__(self, name, fmt=':f', val_only=False): |
| 39 | self.name = name |
| 40 | self.fmt = fmt |
| 41 | self.val_only = val_only |
| 42 | self.reset() |
| 43 | |
| 44 | def reset(self): |
| 45 | self.val = 0 |
| 46 | self.avg = 0 |
| 47 | self.sum = 0 |
| 48 | self.count = 0 |
| 49 | |
| 50 | def update(self, val, n=1): |
| 51 | self.val = val |
| 52 | self.sum += val * n |
| 53 | self.count += n |
| 54 | self.avg = self.sum / self.count |
| 55 | |
| 56 | def __str__(self): |
| 57 | if self.val_only: |
| 58 | fmtstr = '{name} {val' + self.fmt + '}' |
| 59 | else: |
| 60 | fmtstr = '{name} {val' + self.fmt + '} ({avg' + self.fmt + '})' |
| 61 | return fmtstr.format(**self.__dict__) |