中文摘要：

Weixia Xu received his MS in computer science from National University of Defense Technology （NUDT）, China in 1992. Currently he is a professor at this university. His research interests include system structure of parallel computing and system structure of multi-core microprocessor. He has been working in College of Computer in NUDT since 1984. He is the deputy chief designer of TianHe-1 supercomputer and MilkyWay-2 supercomputer. E-mail： ytlu@nudt.edu.cn Yutong Lu received her MS and PhD in computer science from National University of Defense Technology （NUDT）, China. Currently she is a professor at the university. Her research interests include parallel system management, high speed communication, distributed file systems, and advanced programming environments with MPI.She is a director designer of MilkyWay-2 supercomputer. Qiong Li is currently a professor in College of Computer, National University of Defense Technology （NUDT）, China. She received her MS and PhD in computer science from NUDT, China. Her current research interests include high performance computing and storage technology. Enqiang Zhou is currently an associate professor in College of Computer, National University of Defense Technology （NUDT）, China. His current research interests include high performance computing, storage technology and distributed file system. Zhenglong Song is currently an assistant professor in College of Computer, National University of Defense Technology （NUDT）, China. His current research interests include high performance computing and storage technology. Yong Dong is currently an assistant professor in College of Computer, National University of Defense Technology （NUDT）, China. His current research interests include high performance computing and distributed file system. Wei Zhang received his BS, MS and PhD in computer science from College of Computer, National University of Defense Technology （NUDT）, China. He is currently an assistant professor in College of Computer, NUDT, Chi