Method update

models/rank/autofis/metrics.py:27–30

(self, pred, label, *args)

        return paddle.nn.functional.log_loss(pred, label).mean()

    def update(self, pred, label, *args):
        self.loss += self.compute(pred, label).item()
        self.n += 1
        return

    def reset(self):
        """