July 17 2015: In the lastest half yearly results published, India's footprint on the Top500 list of the world's most powerful computers, grew marginally from 9 to 11 systems but slipped in ranking of its fastest system from 71 to 79.
The two new systems are:
- The Supercomputer Education and Research Centre's Sahasrat of the Indian Institute of Science Bangalore whose imported Cray XC40 system is the country's most powerful at 901.5 teraflops/sec and has 1376 nodes with 33,024 Xeon cores together with NVIDIA K40 graphic accelerators
- The Tata institute of Fundamental Research ,Mumbai's CrayXC30 at 558.8 T Flops/sec.
The fastest indigenously assembled machine remains the Centre of Development of Advanced Computing (CDAC)'s Param Yuva-II clocking 388.4 teraflops. For the other computers in the India list, it is a case of "Jaise ththey" -- as you were.
For the fifth consecutive time, Tianhe-2, a supercomputer developed by China’s National University of Defense Technology, has retained its position as the world’s No. 1 system, according to the 45th edition of the twice-yearly TOP500 list of the world’s most powerful supercomputers. Tianhe-2, which means Milky Way-2, led the list with a performance of 33.86 petaflop/s (quadrillions of calculations per second) on the Linpack benchmark.
At No. 2 was Titan, a Cray XK7 system installed at the Department of Energy’s (DOE) Oak Ridge National Laboratory. Titan, the top system in the United States and one of the most energy-efficient systems on the list, achieved 17.59 petaflop/s on the Linpack benchmark.
The only new entry in the Top 10 supercomputers on the latest list is at No. 7—Shaheen II is a Cray XC40 system installed at King Abdullah University of Science and Technology (KAUST) in Saudi Arabia. Shaheen II achieved 5.536 petaflop/s on the Linpack benchmark, making it the highest-ranked Middle East system in the 22-year history of the list and the first to crack the Top 10.The other nine systems in the top 10 were all installed in 2011 or 2012, and this low level of turnover among the top supercomputers reflects a slowing trend that began in 2008.
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