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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 101 to 200.

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
101 240.05 Total Exploration Production SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz 442.00
102 236.80 A*STAR Computational Resource Centre BX900 Xeon X5570/X5670 2.93GHz , Infiniband QDR 175.00
103 236.61 Swiss Scientific Computing Center (CSCS) Cray XT5 SixCore 2.4 GHz 713.00
104 232.44 CLUMEQ - Université Laval Colosse - Sun Blade x6048, Xeon X5560 2.8 Ghz, Infiniband QDR 332.00
105 232.39 Central Research Institute of Electric Power Industry/CRIEPI SGI Altix ICE 8200EX, Xeon X5560 quad core 2.8 GHz 183.70
106 232.39 National Institute for Materials Science SGI Altix ICE 8200EX, Xeon X5560 quad core 2.8 GHz 183.70
107 231.57 DOE/SC/LBNL/NERSC Cray XT4 QuadCore 2.3 GHz 1,150.00
108 231.42 Tsinghua University Inspur TS10000 HPC Server, Xeon X56xx 2.93 Ghz, QDR Infiniband 399.36
109 230.26 Japan Atomic Energy Agency (JAEA) BX900 Xeon X5570 2.93GHz , Infiniband QDR 831.23
110 230.11 US Army Research Laboratory (ARL) SGI Altix ICE 8200 Enhanced LX, Xeon Nehalem quad core 2.8 GHz 475.00
111 228.76 Commissariat a l'Energie Atomique (CEA) Bull bullx super-node S6010/S6030 4,590.00
112 227.88 Institute of Physical and Chemical Res. (RIKEN) RIKEN Intergrated Cluster of Clusters, Xeon X5570 2.93GHz, Infiniband DDR 429.78
113 227.48 University of Zuerich Sun Blade x6275, Xeon X55xx 2.8 Ghz, Infiniband QDR 218.00
114 227.46 Commissariat a l'Energie Atomique (CEA)/CCRT BULL Novascale R422-E2 477.00
115 225.41 Bureau of Meteorology / CSIRO HPCCC Sun Blade x6048, Xeon X5570 2.93 Ghz, Infiniband QDR 220.00
116 224.94 University of Tokyo/Institute for Solid State Physics SGI Altix ICE 8400EX Xeon X5570 4-core 2.93 GHz, Infiniband 719.30
117 223.50 Grand Equipement National de Calcul Intensif - Centre Informatique National de l'Enseignement Supérieur (GENCI-CINES) SGI Altix ICE 8200EX, Xeon E5472 3.0/X5560 2.8 GHz 1,064.00
118 222.95 Lawrence Livermore National Laboratory Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR 475.00
119 221.79 Network Company BladeCenter HS22 Cluster, Xeon QC E5xx 2.53 GHz, GigEthernet 314.34
120 221.42 National Computational Infrastructure National Facility (NCI-NF) Sun Blade x6048, Xeon X5570 2.93 Ghz, Infiniband QDR 570.85
121 220.94 Banking BladeCenter HS22 Cluster, Xeon X56xx 2.53 GHz, GigEthernet 202.00
122 220.94 Banking BladeCenter HS22 Cluster, Xeon X56xx 2.53 GHz, GigEthernet 202.00
123 220.93 Government BladeCenter HS22 Cluster, Xeon X56xx 2.53 GHz, GigEthernet 223.74
124 219.82 Intel Intel Cluster, Xeon X5560 2.8 GHz, Xeon X5670 2.93 Ghz, Infiniband 229.14
125 219.50 Energy Company (A) BladeCenter HS22 Cluster, Xeon QC X55xx 2.66 GHz, Infiniband 335.48
126 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
127 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
128 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
129 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
130 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
131 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
132 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
133 217.30 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 190.12
134 216.62 IT Service Provider HP ProLiant SL390s G7 Xeon 6C X5680 3.3 Ghz, GigE 235.17
135 216.62 IT Service Provider HP ProLiant SL390s G7 Xeon 6C X5680 3.3 Ghz, GigE 235.17
136 216.62 IT Service Provider HP ProLiant SL390s G7 Xeon 6C X5680 3.3 Ghz, GigE 235.17
137 216.62 IT Service Provider HP ProLiant SL390s G7 Xeon 6C X5680 3.3 Ghz, GigE 235.17
138 216.60 Texas Advanced Computing Center/Univ. of Texas SunBlade x6420, Opteron QC 2.3 Ghz, Infiniband 2,000.00
139 215.65 Georgia Institute of Technology Altus 704 Cluster, 6C Opteron 8431 2.4 Ghz, Infiniband 246.00
140 215.38 Financial Institution (P) iDataPlex, Xeon X56xx 6C 2.66 GHz, GigE 248.03
141 215.38 Financial Institution (P) iDataPlex, Xeon X56xx 6C 2.66 GHz, GigE 248.03
142 215.38 Semiconductor Company iDataPlex, Xeon X56xx 6C 2.66 GHz, GigE 224.17
143 215.37 KISTI Supercomputing Center Sun Blade x6048, X6275, IB QDR M9 switch, Sun HPC stack Linux edition 1,275.96
144 213.10 Lockheed Martin BladeCenter HS21 Cluster, Xeon QC HT 2.66 GHz, Infiniband 195.15
145 213.10 Lockheed Martin BladeCenter HS21 Cluster, Xeon QC HT 2.66 GHz, Infiniband 195.15
146 210.94 Telecommunication Company BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, GigE 248.44
147 210.01 Banking (M) xSeries x3650 Cluster Xeon QC GT 2.66 GHz, Infiniband 298.70
148 210.01 Government xSeries x3650 Cluster Xeon QC GT 2.66 GHz, Infiniband 192.35
149 210.00 Classified xSeries x3650 Cluster Xeon QC GT 2.66 GHz, Infiniband 279.40
150 206.84 ERDC DSRC SGI Altix ICR 8200 Enh. LX, Xeon X5560 2.8Ghz 774.50
151 205.27 DOE/NNSA/LLNL eServer Blue Gene Solution 2,329.60
152 204.51 Geoscience iDataPlex, Xeon QC 3.0 GHz, Infiniband 206.39
153 203.77 Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations eServer Blue Gene Solution 358.40
154 203.77 Stony Brook/BNL, New York Center for Computational Sciences eServer Blue Gene Solution 403.20
155 203.77 IBM Thomas J. Watson Research Center eServer Blue Gene Solution 448.00
156 201.61 Asda Stores BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 234.35
157 201.61 Communications BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 335.70
158 201.61 Communications BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 335.70
159 201.61 Financial Services (H) BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 293.28
160 201.61 Financial Services (H) BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 293.28
161 201.60 Service Provider BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 200.35
162 201.60 Service Provider BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 200.35
163 201.60 Service Provider BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 200.35
164 201.60 Service Provider BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 200.35
165 201.59 Government BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 240.10
166 199.94 US Army Research Laboratory (ARL) SGI Altix ICE 8200 Enhanced LX, Xeon X5560 quad core 2.8 GHz 350.10
167 196.76 Banking (M) xSeries x3850M2 Cluster Xeon QC GT 2.53 GHz, GigEthernet 323.84
168 195.45 University of Cologne, Regional Computing Centre Bullx Supernode/Blade Xeon X5550/X5650 2.66 Ghz, Infiniband 439.50
169 193.93 SciNet/University of Toronto iDataPlex, Xeon E55xx QC 2.53 GHz, GigE 869.40
170 193.31 Internet Service xSeries x3650M2 Cluster, Xeon QC E55xx 2.53 Ghz, GigE 253.77
171 193.31 Internet Service xSeries x3650M2 Cluster, Xeon QC E55xx 2.53 Ghz, GigE 253.77
172 193.31 Internet Service xSeries x3650M2 Cluster, Xeon QC E55xx 2.53 Ghz, GigE 253.77
173 193.31 Internet Service xSeries x3650M2 Cluster, Xeon QC E55xx 2.53 Ghz, GigE 253.77
174 187.59 Electronics xSeries x3550M2 Cluster Xeon QC GT 2.26 GHz, Infiniband 233.42
175 185.77 Service Provider xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 295.20
176 185.77 Service Provider xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 295.20
177 185.77 Service Provider xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 295.20
178 185.77 Government xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 244.97
179 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
180 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
181 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
182 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
183 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
184 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
185 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
186 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
187 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
188 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
189 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
190 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 285.74
191 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 302.12
192 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 302.12
193 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 302.12
194 185.77 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 351.99
195 185.77 Service Provider xSeries x3550M3, Xeon X56xx 2.53 GHz, GigE 248.98
196 185.77 Service Provider xSeries x3550M3, Xeon X56xx 2.53 GHz, GigE 248.98
197 185.71 University of Chicago Cray XE6 12-core 2.1 GHz 677.41
198 184.86 Korea Meteorological Administration Cray XE6 12-core 2.1 GHz 1,711.60
199 184.84 Korea Meteorological Administration Cray XE6 12-core 2.1 GHz 1,711.76
200 184.06 Cray Inc. Cray XE6 12-core 2.1 GHz 327.78

* Performance data obtained from publicly available sources including TOP500

 
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