Hou Neng is currently a Ph.D. candidate at the School of Computer Science in Wuhan University. His research interests include Hardware/Software Co-design, intelligent optimization algorithms, and GPU computing. Corresponding author: He Fazhi, Male, Ph.D., Professor, E-mail: fzhe@whu.edu.cn.He Fazhi received his BS(1990), MS(1996), and PhD(2000) degrees from Wuhan University of Technology. He is currently a professor at the State key laboratory of software engineering in Wuhan University. His research interests include collaborative computation, computer-aided design and computer graphics. Zhou Yi is currently a Ph.D. candidate at the School of Computer Science in Wuhan University. His research interests include multi-core CPU and Many-core GPU based metaheuristics for combinatorial optimization problems.