Method piecewise_decay

CV/SemSegPaddle/src/utils/solver.py:67–72

(self)

        return lr

    def piecewise_decay(self):
        gamma = cfg.SOLVER.GAMMA
        bd = [self.step_per_epoch * e for e in cfg.SOLVER.DECAY_EPOCH]
        lr = [cfg.SOLVER.LR * (gamma**i) for i in range(len(bd) + 1)]
        decayed_lr = fluid.layers.piecewise_decay(boundaries=bd, values=lr)
        return decayed_lr

    def poly_decay(self):
        power = cfg.SOLVER.POWER