June 2018

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 Center for Computing and Communication, RIKEN, 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.

They are followed by the DGX SaturnV Volta system in the US; the Summit system in the US, the TSUBAME 3.0 system, AIST AI Cloud system, the AI Bridging Cloud Infrastructure (ABCI) system, all from Japan; the new IBM MareNostrum P9 cluster in Spain;  the DOE’s Summit system; and Wilkes-2, from the UK. All of these systems use various NVIDIA GPUs.

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.

Green500 List for June 2018

Listed below are the June 2018 The Green500's energy-efficient supercomputers ranked from 1 to 10.

Note: Shaded entries in the table below mean the power data is derived and not meassured.

Rank TOP500 Rank System Cores Rmax (TFlop/s) Power (kW) Power Efficiency (GFlops/watts)
1 359 Shoubu system B - ZettaScaler-2.2, Xeon D-1571 16C 1.3GHz, Infiniband EDR, PEZY-SC2 , PEZY Computing / Exascaler Inc.
Advanced Center for Computing and Communication, RIKEN
Japan
794,400 857.6 47 18.404
2 419 Suiren2 - ZettaScaler-2.2, Xeon D-1571 16C 1.3GHz, Infiniband EDR, PEZY-SC2 , PEZY Computing / Exascaler Inc.
High Energy Accelerator Research Organization /KEK
Japan
762,624 798.0 47 16.835
3 385 Sakura - ZettaScaler-2.2, Xeon E5-2618Lv3 8C 2.3GHz, Infiniband EDR, PEZY-SC2 , PEZY Computing / Exascaler Inc.
PEZY Computing K.K.
Japan
794,400 824.7 50 16.657
4 227 DGX SaturnV Volta - NVIDIA DGX-1 Volta36, Xeon E5-2698v4 20C 2.2GHz, Infiniband EDR, NVIDIA Tesla V100 , Nvidia
NVIDIA Corporation
United States
22,440 1,070.0 97 15.113
5 1 Summit - IBM Power System AC922, IBM POWER9 22C 3.07GHz, NVIDIA Volta GV100, Dual-rail Mellanox EDR Infiniband , IBM
DOE/SC/Oak Ridge National Laboratory
United States
2,282,544 122,300.0 8,806 13.889
6 19 TSUBAME3.0 - SGI ICE XA, IP139-SXM2, Xeon E5-2680v4 14C 2.4GHz, Intel Omni-Path, NVIDIA Tesla P100 SXM2 , HPE
GSIC Center, Tokyo Institute of Technology
Japan
135,828 8,125.0 792 13.704
7 287 AIST AI Cloud - NEC 4U-8GPU Server, Xeon E5-2630Lv4 10C 1.8GHz, Infiniband EDR, NVIDIA Tesla P100 SXM2 , NEC
National Institute of Advanced Industrial Science and Technology
Japan
23,400 961.0 76 12.681
8 5 AI Bridging Cloud Infrastructure (ABCI) - PRIMERGY CX2550 M4, Xeon Gold 6148 20C 2.4GHz, NVIDIA Tesla V100 SXM2, Infiniband EDR , Fujitsu
National Institute of Advanced Industrial Science and Technology (AIST)
Japan
391,680 19,880.0 1,649 12.054
9 255 MareNostrum P9 CTE - IBM Power System AC922, IBM POWER9 22C 3.1GHz, Dual-rail Mellanox EDR Infiniband, NVIDIA Tesla V100 , IBM
Barcelona Supercomputing Center
Spain
19,440 1,018.0 86 11.865
10 171 RAIDEN GPU subsystem - NVIDIA DGX-1 Volta36, Xeon E5-2698v4 20C 2.2GHz, Infiniband EDR, NVIDIA Tesla V100 , Fujitsu
Center for Advanced Intelligence Project, RIKEN
Japan
35,360 1,213.0 107 11.363