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The Green500 List - June 2011

The Green500 List continues to highlight the rapid growth in efficiency of the largest supercomputers in the world and to drive energy efficiency in high-performance computing. After last year’s "Year of the Accelerator" the trend continues with 14 of the top 20 computers using either Cell or GPU accelerators. However, the trend of aggregating many low-power processors currently tops the Green500 with two versions of IBM Blue Gene/Q prototype supercomputers. In addition, the current fastest supercomputer in the world, the K computer, also uses this approach. For more details, please take a look at our press release.

Aggregating Many Low-Power Processors

Not just one, but two IBM Blue Gene/Q prototypes top this edition of the Green500. However, the Blue Gene/Q prototype at #1 on this list is different from the one that topped the last edition of the list in that it delivers significantly better performance with the same number of cores and only a marginal increase in power consumption. The end result is a MFLOPS/W rating of 2,097, the first supercomputer to surpass 2,000 MFLOPS/W. The fastest supercomputer in the world, the K supercomputer from RIKEN in Japan, also aggregates many low-power processors and is one of the greenest supercomputers in the world, coming in at #6 on the Green500. The other major advantage to this approach is the amazing performance efficiency achieved by these machines. Specifically 81.9% efficiency for Blue Gene/Q and 93% for K, far greater than the average of 67.7% achieved by the other machines on the list and even farther from the average of 47% achieved by GPU-accelerated machines.

Energy-Efficient Accelerators

The greenest accelerator-based supercomputer in the world is the DEGIMA Cluster, a self-built supercomputer from Nagasaki University in Japan. The DEGIMA Cluster is accelerated by AMD/ATI Radeon graphics processing units (GPUs) on a thrifty supercomputing budget of NZ$600,000 or approximately US$500,000. Six other accelerator-based machines round out the ten greenest supercomputers in the world - three with GPU accelerators (one more from AMD/ATI and two from NVIDIA) and three with IBM Cell-based accelerators.

Overall Highlights

  • The average efficiency of measured systems on the Green500 has increased from 230 MFLOPS/W to 256 MFLOPS/W, an improvement of 11%.
  • The efficiency of accelerator-based systems on the Green500 has improved 23% from 573 MFLOPS/W to 707 MFLOPS/W.
  • 70% of the 20 greenest supercomputers are accelerator-based.

The Green500 List

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

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
1 2,097.19 IBM Thomas J. Watson Research Center NNSA/SC Blue Gene/Q Prototype 2 40.95
2 1,684.20 IBM Thomas J. Watson Research Center NNSA/SC Blue Gene/Q Prototype 1 38.80
3 1,375.88 Nagasaki University DEGIMA Cluster, Intel i5, ATI Radeon GPU, Infiniband QDR 34.24
4 958.35 GSIC Center, Tokyo Institute of Technology HP ProLiant SL390s G7 Xeon 6C X5670, Nvidia GPU, Linux/Windows 1,243.80
5 891.88 CINECA / SCS - SuperComputing Solution iDataPlex DX360M3, Xeon 2.4, nVidia GPU, Infiniband 160.00
6 824.56 RIKEN Advanced Institute for Computational Science (AICS) K computer, SPARC64 VIIIfx 2.0GHz, Tofu interconnect 9,898.56
7 773.38 Forschungszentrum Juelich (FZJ) QPACE SFB TR Cluster, PowerXCell 8i, 3.2 GHz, 3D-Torus 57.54
8 773.38 Universitaet Regensburg QPACE SFB TR Cluster, PowerXCell 8i, 3.2 GHz, 3D-Torus 57.54
9 773.38 Universitaet Wuppertal QPACE SFB TR Cluster, PowerXCell 8i, 3.2 GHz, 3D-Torus 57.54
10 718.13 Universitaet Frankfurt Supermicro Cluster, QC Opteron 2.1 GHz, ATI Radeon GPU, Infiniband 416.78
11 677.12 Georgia Institute of Technology HP ProLiant SL390s G7 Xeon 6C X5660 2.8Ghz, nVidia Fermi, Infiniband QDR 94.40
12 650.30 National Institute for Environmental Studies Asterism ID318, Intel Xeon E5530, NVIDIA C2050, Infiniband 115.87
13 635.15 National Supercomputing Center in Tianjin NUDT TH MPP, X5670 2.93Ghz 6C, NVIDIA GPU, FT-1000 8C 4,040.00
14 565.97 Yukawa Institute for Theoretical Physics (YITP) Hitachi SR16000 Model XM1/108, Power7 3.3Ghz, Infiniband 129.60
15 555.50 CSIRO Supermicro Xeon Cluster, E5462 2.8 Ghz, Nvidia Tesla s2050 GPU, Infiniband 94.60
16 492.64 National Supercomputing Centre in Shenzhen (NSCS) Dawning TC3600 Blade, Intel X5650, NVidia Tesla C2050 GPU 2,580.00
17 483.66 IBM Thomas J. Watson Research Center Power 750, Power7 3.86 GHz, 10GigE 120.56
18 467.73 CeSViMa - Centro de SupercomputaciĆ³n y VisualizaciĆ³n de Madrid BladeCenter PS702 Express, Power7 3.3GHz, Infiniband 154.00
19 458.33 DOE/NNSA/LANL BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Infiniband 276.00
20 444.25 DOE/NNSA/LANL BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Voltaire Infiniband 2,345.50
21 441.18 Government Cluster Platform 3000 BL2x220, L56xx 2.26 Ghz, Infiniband 221.00
22 431.88 Institute of Process Engineering, Chinese Academy of Sciences Mole-8.5 Cluster Xeon L5520 2.26 Ghz, nVidia Tesla, Infiniband 480.00
23 421.74 Geoscience iDataPlex DX360M3, Xeon 2.8, Infiniband 106.31
24 421.74 Geoscience iDataPlex DX360M3, Xeon 2.8, Infiniband 106.31
25 400.68 Taiwan National Center for High-performance Computing Acer AR585 F1 Cluster, Opteron 12C 2.2GHz, QDR infiniband 442.00
26 400.64 Banking (M) iDataPlex, Xeon X56xx 6C 2.66 GHz, Infiniband 141.75
27 400.62 University of British Columbia - Cancer Center, Genome Science Center iDataPlex, Xeon X56xx 6C 2.66 GHz, Infiniband 118.13
28 396.33 IBM Poughkeepsie Benchmarking Center Power 775, Power7 3.836 GHz 172.38
29 378.77 Ecole Polytechnique Federale de Lausanne Blue Gene/P Solution 126.00
30 378.77 IBM - Rochester Blue Gene/P Solution 126.00
31 378.77 IBM Thomas J. Watson Research Center Blue Gene/P Solution 126.00
32 378.77 Max-Planck-Gesellschaft MPI/IPP Blue Gene/P Solution 126.00
33 378.77 EDF R&D; Blue Gene/P Solution 252.00
34 378.77 King Abdullah University of Science and Technology Blue Gene/P Solution 504.00
35 378.76 IDRIS Blue Gene/P Solution 315.00
36 377.20 IBM Poughkeepsie Benchmarking Center Power 775, Power7 3.836 GHz 423.12
37 368.62 Automotive BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, Infiniband 240.41
38 368.62 Automotive BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, Infiniband 240.41
39 366.58 DOE/NNSA/LLNL Blue Gene/P Solution 1,134.00
40 363.98 Forschungszentrum Juelich (FZJ) Blue Gene/P Solution 2,268.00
41 363.98 DOE/SC/Argonne National Laboratory Blue Gene/P Solution 1,260.00
42 362.20 DOE/SC/LBNL/NERSC Cray XE6 12-core 2.1 GHz 2,910.00
43 361.79 RQCHP/Calcul Québec/Compute Canada Université de Montréal iDataPlex DX360M3, Xeon 2.66, Infiniband 197.79
44 361.78 CLUMEQ - McGill University iDataPlex DX360M3, Xeon 2.66, Infiniband 376.75
45 360.29 KTH - Royal Institute of Technology Cray XT6m 12-Core 2.1 GHz 658.35
46 359.65 eni HP ProLiant SL390s G7 Xeon 6C X5650, Infiniband 364.80
47 355.78 Moscow State University - Research Computing Center T-Platforms T-Blade2/1.1, Xeon X5570/X5670 2.93 GHz, Nvidia 2070 GPU, Infiniband QDR 1,894.75
48 354.56 Universitaet Erlangen NEC LX-2400 Cluster, Xeon X5550 2.66 Ghz, Infiniband 160.00
49 354.32 Lockheed Martin BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 170.22
50 354.32 Lockheed Martin BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 170.22
51 354.32 Classified BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 157.08
52 354.32 Classified BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 157.08
53 354.32 Classified BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 157.08
54 354.30 Electronics BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 137.21
55 354.30 Electronics BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, Infiniband 137.21
56 349.78 South Ural State University SKIF Aurora Platform - Intel Xeon X5680, Infiniband QDR 287.04
57 341.55 Cray Inc. Cray XT6 12-Core 2.0/2.1/2.2 GHz 155.70
58 341.32 ETH Zuerich Sun Blade X6440, Opteron 2.5 Ghz, Infiniband QDR 152.00
59 335.18 Hewlett-Packard HP ProLiant SL390s G7 Xeon X5650, Nvidia M2070, Infiniband QDR 135.20
60 332.62 Leibniz Rechenzentrum BladeCenter HX5, WM Xeon 10-core, 2.4 GHz, Infiniband 195.00
61 330.98 Vestas Wind Systems A/S iDataPlex DX360M3, Xeon 2.93, Infiniband 458.25
62 330.98 EDF R&D; iDataPlex, Xeon X56xx 6C 2.93 GHz, Infiniband 510.00
63 330.98 Geoscience (P) iDataPlex DX360M3, Xeon 2.93, Infiniband 159.75
64 330.98 Geoscience (P) iDataPlex DX360M3, Xeon 2.93, Infiniband 159.75
65 330.98 Geoscience (P) iDataPlex DX360M3, Xeon 2.93, Infiniband 159.75
66 330.98 Geoscience (P) iDataPlex DX360M3, Xeon 2.93, Infiniband 159.75
67 330.98 Geoscience (P) iDataPlex DX360M3, Xeon 2.93, Infiniband 159.75
68 330.98 Geoscience (P) iDataPlex DX360M3, Xeon 2.93, Infiniband 159.75
69 330.98 Geoscience (P) iDataPlex DX360M3, Xeon 2.93, Infiniband 159.75
70 318.32 NOAA/Oak Ridge National Laboratory Cray XT6-HE, Opteron 6100 12C 2.1GHz 610.70
71 315.35 Vienna Scientific Cluster Megware Saxonid 6100, Opteron 8C 2.2 GHz, Infiniband QDR 430.00
72 299.52 University of Southampton iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband, Windows HPC2008 R2 222.62
73 297.44 National Institute for Computational Sciences/University of Tennessee Cray XT5-HE Opteron Six Core 2.6 GHz 3,090.00
74 295.78 Digital Media iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband 187.89
75 295.75 Lockheed Martin BladeCenter HS22 Cluster, Xeon QC X55xx 2.26 GHz, Infiniband 167.87
76 285.16 DOE/SC/LBNL/NERSC iDataPlex, Xeon X55xx QC 2.66 GHz, Infiniband 160.27
77 280.81 Banking (M) BladeCenter HS22 Cluster, Xeon QC GT 2.66 GHz, Infiniband 182.70
78 278.89 DOE/NNSA/LANL/SNL Cray XE6 8-core 2.4 GHz 3,980.00
79 278.77 ONERA SGI Altix ICE 8200EX, Xeon X5560 2.8 GHz/X5675 3.06 GHz, Infiniband 191.20
80 278.20 Classified BladeCenter HS22 Cluster, Xeon QC X55xx 2.26 GHz, Infiniband 236.45
81 277.76 Lawrence Livermore National Laboratory Dell DCS Xanadu 2.5, Xeon E55xx 2.4Ghz, Infiniband DDR 260.69
82 277.29 University of Alaska - Arctic Region Supercomputing Center Cray XE6 8-core 2.3 GHz 320.68
83 275.44 ERDC DSRC Cray XE6 8-core 2.4 GHz 555.47
84 274.38 University of California, Los Angeles HP ProLiant SL390s G7 Xeon X5650, Nvidia M2070, Infiniband QDR 248.20
85 273.39 Engineering Company xSeries x3650M3, Xeon X56xx 2.93 GHz, Infiniband 163.89
86 273.06 HWW/Universitaet Stuttgart NEC HPC 140Rb-1 Cluster, Xeon X5560 2.8Ghz, Infiniband 186.00
87 265.80 HPC2N - Umea University BladeCenter HS21 Cluster, Xeon QC HT 2.5 GHz, IB, Windows HPC 2008/CentOS 173.21
88 265.24 NASA/Ames Research Center/NAS SGI Altix ICE 8200EX/8400EX, Xeon HT QC 3.0/Xeon 5570/5670 2.93 Ghz, Infiniband 4,102.00
89 263.26 Geoscience iDataPlex, Xeon X55xx QC 2.8 GHz, Infiniband 211.68
90 263.26 Geoscience iDataPlex, Xeon X55xx QC 2.8 GHz, Infiniband 211.68
91 263.26 Geoscience iDataPlex, Xeon X55xx QC 2.8 GHz, Infiniband 211.68
92 263.26 Geoscience iDataPlex, Xeon X55xx QC 2.8 GHz, Infiniband 211.68
93 260.00 University of Edinburgh Cray XT4, 2.3 GHz 365.69
94 257.35 Government BladeCenter HS22 Cluster, Xeon QC GT 2.53 GHz, Infiniband 174.15
95 256.83 NASA/Goddard Space Flight Center iDataPlex, Xeon X55xx QC 2.8 GHz, Infiniband 286.72
96 253.07 DOE/SC/Oak Ridge National Laboratory Cray XT5-HE Opteron 6-core 2.6 GHz 6,950.60
97 252.86 Idaho National Laboratory Appro Xtreme-X3 Opteron 2.4GHz, Infiniband QDR 360.00
98 251.87 NOAA/ESRL/GSD Raytheon/Aspen Cluster, Xeon X5560/X5650 2.8/2.66 Ghz, QDR Infinband 502.25
99 250.91 Banking (M) iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband 190.00
100 241.97 Lawrence Livermore National Laboratory Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR 688.94

* Performance data obtained from publicly available sources including TOP500

 
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