if (r != null && r.size() > 0) {
                    double lr = config.getUpdater().hasLearningRate() ? config.getUpdater().getLearningRate(at.iteration(), at.epoch()) : 1.0;
                    for (Regularization reg : r) {
                        if (reg.applyStep() == Regularization.ApplyStep.POST_UPDATER) {
                            if (this.listeners != null) {