Method update

eval/utils/third_party/amt/utils/utils.py:25–29

(self, val, n=1)

        self.count = 0

    def update(self, val, n=1):
        self.val = val
        self.sum += val * n
        self.count += n
        self.avg = self.sum / self.count


class AverageMeterGroups: