College of Information Science and Engineering, Hunan University, National Supercomputing Center in Changsha, Changsha, China.|College of Information Science and Engineering, Hunan University, National Supercomputing Center in Changsha, Changsha, China.|College of Information Science and Engineering, Hunan University, National Supercomputing Center in Changsha, Changsha, China.|College of Information Science and Engineering, Hunan University, National Supercomputing Center in Changsha, Changsha, China.