›› 2011, Vol. 26 ›› Issue (3): 344-351.doi: 10.1007/s11390-011-1137-4

Special Issue: Computer Architecture and Systems; Software Systems

• Special Section on Advanced Computing Technology in China • Previous Articles     Next Articles

The TianHe-1A Supercomputer: Its Hardware and Software

Xue-Jun Yang (杨学军), Senior Member, CCF, Member, ACM, IEEE, Xiang-Ke Liao (廖湘科), Senior Member CCF, Member, ACM, Kai Lu (卢凯), Qing-Feng Hu (胡庆丰), Jun-Qiang Song (宋君强), and Jin-Shu Su (苏金树), Senior Member, CCF, Member, IEEE   

  1. School of Computer, National University of Defense Technology, Changsha 410073, China
  • Received:2011-01-10 Revised:2011-03-04 Online:2011-05-05 Published:2011-05-05
  • Supported by:

    Supported by the National High Technology Research and Development 863 Program of China under Grant No. 2009AA01A128.

This paper presents an overview of TianHe-1A (TH-1A) supercomputer, which is built by National University of Defense Technology of China (NUDT). TH-1A adopts a hybrid architecture by integrating CPUs and GPUs, and its interconnect network is a proprietary high-speed communication network. The theoretical peak performance of TH-1A is 4700 TFlops, and its LINPACK test result is 2566 TFlops. It was ranked the No. 1 on the TOP500 List released in November, 2010. TH-1A is now deployed in National Supercomputer Center in Tianjin and provides high performance computing services. TH-1A has played an important role in many applications, such as oil exploration, weather forecast, bio-medical research.

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