1. Changsha Semiconductor Technology and Application Innovation Research Institute, College of Semiconductors (College of Integrated Circuits), Hunan University, Changsha, China
2. College of Semiconductors (College of Integrated Circuits), Hunan University, Changsha, China
3. School of Computer Science and Engineering, Nanjing University of Science and Technology, Nanjing, China
4. Department of Computer Science and Software Engineering, The University of Western Australia, Perth, WA, Australia
5. College of Computer Science and Electronic Engineering, Hunan University, Changsha, China