It is ranked number one in the list of
supercomputers at the speed of 33.86 petaflops
in HPL Linpack benchmark.
.The development of Tianhe-2 was sponsored by
the 863 High Technology Program, initiated by the
Chinese government, the government of
Guangdong province, and the government of
Guangzhou city. It was built by China's National
University of Defense Technology (NUDT) in
collaboration with the Chinese IT firm Inspur.
Inspur manufactured the printed circuit boards
and helped with the installation and testing of the
system software. The project was originally
scheduled for completion in 2015, but was instead
declared operational in June 2013. As of June
2013, the supercomputer had yet to become fully
operational. It was expected to reach its full
computing capabilities by the end of 2013.
According to NUDT, Tianhe-2 would have been
used for simulation, analysis, and government
security applications.
With 16,000 computer nodes, each comprising
two Intel Ivy Bridge Xeon processors and three
Xeon Phi coprocessor chips, it represented the
world's largest installation of Ivy Bridge and Xeon
Phi chips, counting a total of 3,120,000 cores.
Each of the 16,000 nodes possessed 88 gigabytes
of memory (64 used by the Ivy Bridge processors,
and 8 gigabytes for each of the Xeon Phi
processors). The total CPU plus coprocessor
memory was 1,375 TiB (approximately 1.34 PiB).
During the testing phase, Tianhe-2 was laid out
in a non-optimal confined space. When assembled
at its final location, the system will have had a
theoretical peak performance of 54.9 petaflops. At
peak power consumption, the system itself would
have drawn 17.6 megawatts of power. Including
external cooling, the system drew an aggregate of
24 megawatts. The completed computer complex
would have occupied 720 square meters of space. For more visit
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