Dongting Hu, Wen Shen, Wenchao Ma, Xinyu Liu, Zhouping Su, Huaxin Zhu, Xiumei Zhang, Lizhi Que, Zhuowei Zhu, Yixin Zhang, Guoqing Chen, Lifa Hu. Fast Convergence Stochastic Parallel Gradient Descent Algorithm[J]. Laser & Optoelectronics Progress, 2019, 56(12): 122201