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Europe edges back into the supercomputer lists

Europe edges back into the supercomputer lists

Technology News |
By Nick Flaherty



For power efficiency, the MareNostrum P9 CTE at the Barcelona Supercomputing Centre in Spain takes the 9th spot in the Green500 list, powered by IBM’s POWER9 processors and NVIDIA Tesla V100 accelerators, similar to the Summit supercomputer in the US that has taken the top spot for performance.

At 10th for power efficiency is the Wilkes-2 at the University of Cambridge in the UK, which is powered by cards from Dell using Intel’s Xeon E5 processors and NVIDIA’s Tesla P100 GPUs.

For sheer performance, the Piz Daint at the Swiss National Supercomputing Centre (CSCS) takes 6th spot, using the Cray XC50 system with Intel’s Xeon E5 processors and NVIDIA’s Tesla P100 GPUS. 

The top three positions in the Green500 are all taken by supercomputers installed in Japan that are based on the ZettaScaler-2.2 architecture using PEZY-SC2 accelerators, while all other system in the top 10 use NVIDIA GPUs.

The most energy-efficient supercomputer is once again the Shoubu system B, a ZettaScaler-2.2 system installed at the Advanced Centre for Computing and Communication at RIKEN in Japan. It was remeasured and achieved 18.4 gigaflops/watt during its 858 teraflops Linpack performance run. It is ranked number 362 in the TOP500 list.

The second-most energy-efficient system is Suiren2 system at the High Energy Accelerator Research Organization/KEK, Japan. This ZettaScaler-2.2 system achieved 16.8 gigaflops/watt and is listed at position 421 in the TOP500. Number three on the Green500 is the Sakura system installed at PEZY Computing. It achieved 16.7 gigaflops/watt and occupies position 388 on the TOP500 list.

As expected, the most powerful supercomputer, Summit, came in 5th in terms of energy efficiency

The most energy-efficient supercomputer that doesn’t rely on accelerators of any kind is the Sunway TaihuLight, which is powered exclusively by ShenWei processors. Its 6.05 gigaflops/watt earned it 22nd place on the Green500 list.

www.green500.org

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