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The Green500 List - November 2011

As in the previous edition of the list, an IBM Blue Gene/Q supercomputer tops this edition of the Green500 at 2026 MFLOPS/W. The top five positions are occupied by IBM Blue Gene/Q solutions at various locations. Seven of the top 10 greenest supercomputers in the world changed in this latest edition of the Green500 List. However, despite this significant upheaval, the ten greenest supercomputers in the world continue to follow one of two trends: (1) aggregating many low-power processors like IBM BlueGene/Q and (2) using energy-efficient accelerators, typically from the gaming/graphics market, e.g., AMD Radeon GPU, NVIDIA Tesla Fermi GPU, Cell, and Intel Knights Corner, to complement the commodity CPUs from Intel and AMD. The fastest supercomputer in the world, the K supercomputer from RIKEN in Japan, also aggregates many low-power processors. Surprisingly, while the K supercomputer increased its energy efficiency from 825 MFLOPS/W to 830 MFLOPS/W, its Green500 rank dropped from #6 in the June release to #32 now in November. That significant drop was mainly caused by the addition of new GPU-accelerated systems as well as some new high efficiency traditional CPU clusters to the latest list. Specifically, GPU-accelerated supercomputers occupy ranks #6 through #14 and #16 through 29, with high efficiency commodity machines at #15,30 and 31.

The Green500 List

Listed below are the November 2011 The Green500's energy-efficient supercomputers ranked from 1 to 100.

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
1 2,026.48 IBM - Rochester BlueGene/Q, Power BQC 16C 1.60 GHz, Custom 85.12
2 2,026.48 IBM Thomas J. Watson Research Center BlueGene/Q, Power BQC 16C 1.60 GHz, Custom 85.12
3 1,996.09 IBM - Rochester BlueGene/Q, Power BQC 16C 1.60 GHz, Custom 170.25
4 1,988.56 DOE/NNSA/LLNL BlueGene/Q, Power BQC 16C 1.60 GHz, Custom 340.50
5 1,689.86 IBM Thomas J. Watson Research Center NNSA/SC Blue Gene/Q Prototype 1 38.67
6 1,378.32 Nagasaki University DEGIMA Cluster, Intel i5, ATI Radeon GPU, Infiniband QDR 47.05
7 1,266.26 Barcelona Supercomputing Center Bullx B505, Xeon E5649 6C 2.53GHz, Infiniband QDR, NVIDIA 2090 81.50
8 1,010.11 TGCC / GENCI Curie Hybrid Nodes - Bullx B505, Nvidia M2090, Xeon E5640 2.67 GHz, Infiniband QDR 108.80
9 963.70 Institute of Process Engineering, Chinese Academy of Sciences Mole-8.5 Cluster, Xeon X5520 4C 2.27 GHz, Infiniband QDR, NVIDIA 2050 515.20
10 958.35 GSIC Center, Tokyo Institute of Technology HP ProLiant SL390s G7 Xeon 6C X5670, Nvidia GPU, Linux/Windows 1,243.80
11 928.96 Virginia Tech HokieSpeed, SuperServer 2026GT-TRF, Xeon E5645 6C 2.40GHz, Infiniband QDR, NVIDIA 2050 126.27
12 901.54 Georgia Institute of Technology HP ProLiant SL390s G7 Xeon 6C X5660 2.8Ghz, nVidia Fermi, Infiniband QDR 117.91
13 891.88 CINECA / SCS - SuperComputing Solution iDataPlex DX360M3, Xeon E5645 6C 2.40 GHz, Infiniband QDR, NVIDIA 2070 160.00
14 891.87 Forschungszentrum Juelich (FZJ) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband QDR, NVIDIA 2070 76.25
15 889.19 Sandia National Laboratories Xtreme-X GreenBlade GB512X, Xeon E5 (Sandy Bridge - EP) 8C 2.60GHz, Infiniband QDR 198.72
16 865.90 Geoscience iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 108.15
17 865.90 Geoscience iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 108.15
18 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
19 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
20 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
21 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
22 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
23 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
24 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
25 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
26 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
27 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
28 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
29 865.88 Geoscience (P) iDataPlex DX360M3, Xeon X5650 6C 2.66 GHz, Infiniband, NVIDIA 2090 99.14
30 864.93 UCSD/San Diego Supercomputer Center Xtreme-X GreenBlade GB512X, Xeon E5 (Sandy Bridge - EP) 8C 2.60GHz, Infiniband QDR 252.16
31 838.42 Los Alamos National Laboratory Xtreme-X GreenBlade GB512X, Xeon E5 (Sandy Bridge - EP) 8C 2.60GHz, Infiniband QDR 281.60
32 830.18 RIKEN Advanced Institute for Computational Science (AICS) K computer, SPARC64 VIIIfx 2.0GHz, Tofu interconnect 12,659.89
33 809.36 Bull Bull Benchmark Supercomuter - Bullx B510, Xeon E5 (Sandy Bridge - EP) 8C 2.70GHz, Infiniband QDR 132.20
34 805.51 International Fusion Energy Research Centre (IFERC), EU(F4E) - Japan Broader Approach collaboration Bullx B510, Xeon E5 (Sandy Bridge - EP) 8C 2.70GHz, Infiniband QDR 448.00
35 801.93 TGCC / GENCI Curie Thin Nodes - Bullx B510, Xeon E5 (Sandy Bridge - EP) 8C 2.70GHz, Infiniband QDR 450.00
36 788.04 Poznan Supercomputing and Networking Center, Institute of Bioorganic Chemistry Rackable C1103-G15, Opteron 6234 12C 2.40 GHz, Infiniband QDR 81.08
37 765.71 National Center for High Performance Computing ASUS ESC4000, Xeon X56xx (Westmere-EP) 2.93 GHz, Infiniband QDR 91.98
38 741.67 Purdue University Cluster Platform 3000 SL6500, Xeon E5 (Sandy Bridge - EP) 8C 2.60GHz, FDR Infiniband 252.00
39 741.06 National Supercomputing Center in Jinan Sunway BlueLight MPP, ShenWei processor SW1600 975.00 MHz, Infiniband QDR 1,074.00
40 731.85 University of California, Los Angeles HP ProLiant SL390s G7 Xeon X5650, Nvidia M2070, Infiniband QDR 96.03
41 718.14 Universitaet Frankfurt Supermicro Cluster, QC Opteron 2.1 GHz, ATI Radeon GPU, Infiniband 416.77
42 711.00 CSIRO Supermicro Xeon Cluster, E5462 2.8 Ghz, Nvidia Tesla s2050 GPU, Infiniband 105.90
43 668.10 National Super Computer Center in Hunan NUDT YH MPP, Xeon X5670 6C 2.93 GHz, Proprietary, NVIDIA 2050 1,155.07
44 658.36 KTH - Royal Institute of Technology Cray XE6, Opteron 12 Core 2.10 GHz, Custom 360.29
45 654.05 Amazon Web Services Amazon EC2 Cluster, Xeon 8C 2.60GHz, 10G Ethernet 367.08
46 643.69 National Institute for Environmental Studies Asterism ID318, Intel Xeon E5530, NVIDIA C2050, Infiniband 117.93
47 635.15 National Supercomputing Center in Tianjin NUDT YH MPP, Xeon X5670 6C 2.93 GHz, NVIDIA 2050 4,040.00
48 628.13 Lawrence Livermore National Laboratory Appro GreenBlade Cluster, Xeon X5660 6C 2.80 GHz, Infiniband QDR, NVIDIA 2050 160.00
49 624.25 Intel Intel Cluster, Xeon E5 (Sandy Bridge - EP) 8C 2.60GHz, FDR Infiniband 174.93
50 617.08 Lawrence Livermore National Laboratory Xtreme-X GreenBlade GB512X, Xeon E5 (Sandy Bridge - EP) 8C 2.60GHz, Infiniband QDR 1,253.80
51 615.78 Commissariat a l'Energie Atomique (CEA) Bullx B505, Xeon E56xx (Westmere-EP) 2.40 GHz, Infiniband QDR 250.09
52 589.15 Information Initiative Center, Hokkaido University Hitachi SR16000 Model M1/176, POWER7 8C 3.83 GHz, Custom 206.40
53 582.00 NOAA/Oak Ridge National Laboratory Cray XE6, Opteron 6276 16C 2.30GHz, Cray Gemini interconnect 972.00
54 565.97 Yukawa Institute for Theoretical Physics (YITP) Hitachi SR16000 Model XM1/108, Power7 3.3Ghz, Infiniband 129.60
55 555.47 ERDC DSRC Cray XE6 8-core 2.4 GHz 275.44
56 492.64 National Supercomputing Centre in Shenzhen (NSCS) Dawning TC3600 Blade System, Xeon X5650 6C 2.66GHz, Infiniband QDR, NVIDIA 2050 2,580.00
57 483.66 IBM Thomas J. Watson Research Center Power 750, Power7 3.86 GHz, 10GigE 120.56
58 467.73 CeSViMa - Centro de Supercomputacin y Visualizacin de Madrid BladeCenter PS702 Express, Power7 3.3GHz, Infiniband 154.00
59 458.33 DOE/NNSA/LANL BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Infiniband 276.00
60 455.39 Government Sunway 4000H Cluster, Xeon X56xx (Westmere-EP) 3.06 GHz, Infiniband QDR 199.50
61 449.41 HWW/Universitaet Stuttgart Cray XE6, Opteron 6276 16C 2.30 GHz, Cray Gemini interconnect 1,850.00
62 444.35 DOE/NNSA/LANL BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Voltaire Infiniband 2,345.00
63 443.08 Calcul Canada/Calcul Québec/Université de Sherbrooke Rackable C2112-4G3 Cluster, Opteron 12 Core 2.10 GHz, Infiniband QDR 542.34
64 442.00 Taiwan National Center for High-performance Computing Acer AR585 F1 Cluster, Opteron 12C 2.2GHz, QDR infiniband 400.68
65 429.31 Government Sunway 4000H Cluster, Xeon X56xx (Westmere-EP) 2.93 GHz, Infiniband QDR 339.15
66 421.74 Geoscience iDataPlex DX360M3, Xeon X5660 6C 2.80 GHz, Infiniband QDR 212.62
67 421.73 NASA/Goddard Space Flight Center iDataPlex DX360M3, Xeon X5660 6C 2.80 GHz, Infiniband QDR 144.00
68 417.91 University of North Carolina PowerEdge C6100 Cluster, Xeon X56xx (Westmere-EP) 2.93 GHz, Infiniband QDR 190.95
69 410.49 IBM Poughkeepsie Benchmarking Center Power 775, Power7 3.836 GHz 172.38
70 410.48 Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw Power 775, POWER7 8C 3.84 GHz, Custom 156.71
71 410.48 ECMWF Power 775, POWER7 8C 3.84 GHz, Custom 125.37
72 408.97 DOE/Bettis Atomic Power Laboratory Atipa Cluster, Xeon X56xx (Westmere-EP) 2.66 GHz, Infiniband QDR 163.02
73 408.97 Knolls Atomic Power Laboratory Atipa Cluster, Xeon X56xx (Westmere-EP) 2.66 GHz, Infiniband QDR 163.02
74 406.97 ECMWF Power 775, POWER7 8C 3.84 GHz, Custom 250.74
75 404.45 CLUMEQ - McGill University iDataPlex DX360M3, Xeon 2.66, Infiniband 337.00
76 402.77 Banking (M) iDataPlex, Xeon X56xx 6C 2.66 GHz, Infiniband 141.00
77 378.77 King Abdullah University of Science and Technology Blue Gene/P Solution 504.00
78 378.77 EDF R&D Blue Gene/P Solution 252.00
79 378.76 IDRIS Blue Gene/P Solution 315.00
80 377.99 Rice University BlueGene/P, PowerPC 450 4C 850 MHz, Proprietary 189.00
81 377.20 IBM Poughkeepsie Benchmarking Center Power 775, Power7 3.836 GHz 423.12
82 372.02 United Kingdom Meteorological Office Power 775, POWER7 8C 3.84 GHz, Custom 470.13
83 372.02 United Kingdom Meteorological Office Power 775, POWER7 8C 3.84 GHz, Custom 470.13
84 369.11 ECMWF Power 775, POWER7 8C 3.83GHz, Custom 501.47
85 369.11 Environment Canada Power 775, POWER7 8C 3.84 GHz, Custom 501.47
86 369.11 Environment Canada Power 775, POWER7 8C 3.84 GHz, Custom 501.47
87 368.62 Automotive BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, Infiniband 240.41
88 368.62 Automotive BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, Infiniband 240.41
89 368.61 Classified BladeCenter HS22 Cluster (WM), Xeon X5670 6C 2.93 GHz, Infiniband 151.86
90 368.60 Lockheed Martin BladeCenter HS22 Cluster (WM), Xeon X5670 6C 2.93 GHz, Infiniband 158.26
91 366.58 DOE/NNSA/LLNL Blue Gene/P Solution 1,134.00
92 363.98 Forschungszentrum Juelich (FZJ) Blue Gene/P Solution 2,268.00
93 363.98 DOE/SC/Argonne National Laboratory Blue Gene/P Solution 1,260.00
94 362.20 DOE/SC/LBNL/NERSC Cray XE6, Opteron 6172 12C 2.10GHz, Custom