ada_grad.py 文件源码

def update_one_gpu(self, param, state):
        cuda.elementwise(
            'T grad, T lr, T eps',
            'T param, T h',
            '''h += grad * grad;
               param -= lr * grad / (sqrt(h) + eps);''',
            'adagrad')(param.grad, self.lr, self.eps,
                       param.data, state['h'])