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The Little Green500 List - November 2013

The November 2013 release of the Green500 list was announced today at the SC|13 conference in Denver, Colorado, USA. Continuing the trend from previous years, heterogeneous supercomputing systems totally dominates the top 10 spots of the Green500. A heterogeneous system uses computational building blocks that consist of two or more types of “computing brains.” These types of computing brains include traditional processors (CPUs), graphics processing units (GPUs), and co-processors. In this edition of the Green500, one system smashes through the 4-billion floating-point operation per second (gigaflops) per watt barrier.

TSUBAME-KFC, a heterogeneous supercomputing system developed at the Tokyo Institute of Technology (TITech) in Japan, tops the list with an efficiency of 4.5 gigaflops/watt. Each computational node within TSUBAME-KFC consists of two Intel Ivy Bridge processors and four NVIDIA Kepler GPUs. In fact, all systems in the top ten of the Green500 use a similar architecture, i.e., Intel CPUs combined with NVIDIA GPUs. Wilkes, a supercomputer housed at Cambridge University, takes the second spot. The third position is filled by the HA-PACS TCA system at the University of Tsukuba. Of particular note, this list also sees two petaflop systems, each capable of computing over one quadrillion operations per second, achieve an efficiency of over 3 gigaflops/watt, namely Piz Daint at Swiss National Supercomputing Center and TSUBAME 2.5 at Tokyo Institute of Technology. Thus, Piz Daint is the greenest petaflop supercomputer on the Green500. As a point of reference, Tianhe-2, the fastest supercomputer in the world according to the Top500 list, achieves an efficiency of 1.9 gigaflops/watt.

This list marks a number of “firsts” for the Green500. It is the first time that a supercomputer has broken through the 4 gigaflops/watt barrier. Second, it is first time that all of the top 10 systems on the Green500 are heterogeneous systems. Third, it is the first time that the average of the measured power consumed by the systems on the Green500 dropped with respect to the previous edition of the list. “A decrease in the average measured power coupled with an overall increase in performance is an encouraging step along the trail to exascale,” noted Wu Feng of the Green500. Fourth, assuming that TSUBAME-KFC’s energy efficiency can be maintained for an exaflop system, it is the first time that an extrapolation to an exaflop supercomputer has dropped below 300 megawatts (MW), specifically 222 MW. “This 222-MW power envelope is still a long way away from DARPA’s target of an exaflop system in the 20-MW power envelope,” says Feng.

Starting with this release, the Little Green500 list only includes machines with power values submitted directly to the Green500. In fact, there are more than 400 systems that have submitted directly to the Green500 over the past few years. As in previous years, the Little Green500 list has better overall efficiency than the Green500 list on average.

Earlier this year, the Green500 adopted new methodologies for measuring the power of supercomputing systems and providing a more accurate representation of the energy efficiency of large-scale systems. In June 2013, the Green500 formally adopted measurement rules (a.k.a. “Level 1” measurements), developed in cooperation with the Energy-Efficient High-Performance Computing Working Group (EE HPC WG). Moreover, power-measurement methodologies with higher precision and accuracy were developed as a part of this effort (a.k.a. “Level 2” and “Level 3” measurements). With growing support and interest in the energy efficiency of large-scale computing systems, the Green500 is welcoming two more submissions at Level 2 and Level 3 than in the previous edition of the Green500 list. Of particular note, Piz Daint, the greenest petaflop supercomputer in the world, submitted the highest-quality Level 3 measurement.

The Green500 List

Listed below are the November 2013 Little Green500's energy-efficient supercomputers ranked from 201 to 300.

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
201 271.29 Financial Services (H) iDataPlex DX360M3, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 405.13
202 271.29 Financial Services (H) iDataPlex DX360M3, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 405.13
203 271.29 Financial Services (H) iDataPlex DX360M3, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 405.13
204 271.29 Financial Services (H) iDataPlex DX360M3, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 405.13
205 271.29 Financial Services (H) iDataPlex DX360M3, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 405.13
206 271.29 Financial Services (H) iDataPlex DX360M3, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 405.13
207 271.29 Financial Services (H) iDataPlex DX360M3, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 405.13
208 271.29 Financial Institution (P) iDataPlex DX360M4, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 376.88
209 271.28 Banking (M) xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 573.30
210 271.28 Financial Institution iDataPlex DX360M4, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 512.48
211 271.28 Financial Institution iDataPlex DX360M4, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 375.56
212 260.64 Electronics BladeCenter HS22 Cluster (WM), Xeon X5650 6C 2.660GHz, Infiniband 402.41
213 260.64 Electronics BladeCenter HS22 Cluster (WM), Xeon X5650 6C 2.660GHz, Infiniband 402.41
214 260.64 Energy Company (A) BladeCenter HS22 Cluster, Xeon QC X55xx 2.66 GHz, Infiniband 335.48
215 256.85 NASA/Goddard Space Flight Center Discover - iDataPlex, Xeon X55xx QC 2.8 GHz, Infiniband 286.70
216 254.01 SciNet/University of Toronto/Compute Canada GPC - xSeries iDataPlex, Xeon E5540 4C 2.53GHz, Infiniband 1,030.00
217 250.18 Electronics xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Infiniband 502.58
218 250.18 Electronics xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Infiniband 502.58
219 250.18 Electronics xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Infiniband 502.58
220 235.74 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 532.00
221 235.74 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 532.00
222 235.47 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 600.00
223 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 627.35
224 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 627.35
225 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 627.35
226 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 627.35
227 235.41 Banking (M) xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 576.03
228 235.41 Electronics xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 617.01
229 235.41 Electronics xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 617.01
230 235.41 Electronics xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 617.01
231 235.41 Engineering Company xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 689.40
232 235.41 Financial Services (M) xSeries x3650M4 Cluster, Xeon E5-2680 8C 2.700GHz, Gigabit Ethernet 431.26
233 235.41 Engineering Company xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 488.71
234 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 435.47
235 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 435.47
236 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 435.47
237 235.41 Engineering Company xSeries x3550M3 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 435.47
238 235.41 Engineering Company xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 649.57
239 235.41 Service Provider xSeries x3650M4 Cluster, Xeon E5-2680 8C 2.700GHz, Gigabit Ethernet 645.74
240 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 583.31
241 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 583.31
242 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 583.31
243 235.40 Internet Service xSeries x3630 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 436.24
244 235.40 Internet Service xSeries x3630 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 436.24
245 235.40 Internet Service xSeries x3630 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 436.24
246 235.40 Internet Service xSeries x3630 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 436.24
247 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 608.59
248 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 608.59
249 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 608.59
250 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 608.59
251 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 608.59
252 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 608.59
253 235.40 Internet Service xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 608.59
254 235.40 Telecommunication Company xSeries x3650M4 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 570.29
255 235.40 Financial Securities iDataPlex DX360M4, Xeon E5-2670 8C 2.600GHz, 10G Ethernet 413.93
256 235.40 Communications BladeCenter HS23 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 530.84
257 235.40 Bank (J) BladeCenter HS23 Cluster, Xeon E5-2670 8C 2.600GHz, Gigabit Ethernet 429.73
258 232.38 Financial Services (H) BladeCenter HS22 Cluster (WM), Xeon L5640 6C 2.260GHz, Gigabit Ethernet 337.39
259 232.38 Financial Services (H) BladeCenter HS22 Cluster (WM), Xeon L5640 6C 2.260GHz, Gigabit Ethernet 415.89
260 232.35 Financial Services (H) BladeCenter HS22 Cluster (WM), Xeon L5640 6C 2.26 GHz, Gigabit Ethernet 293.50
261 220.93 Banking (M) BladeCenter HS22 Cluster (WM), Xeon E5649 6C 2.530GHz, Gigabit Ethernet 441.66
262 220.93 Network Company BladeCenter HS22 Cluster (WM), Xeon E5649 6C 2.53 GHz, Gigabit Ethernet 454.21
263 220.93 Banking (M) BladeCenter HS22 Cluster (WM), Xeon E5649 6C 2.530GHz, Gigabit Ethernet 404.02
264 220.90 Banking (M) BladeCenter HS22 Cluster (WM), Xeon E5649 6C 2.530GHz, Gigabit Ethernet 310.10
265 215.41 Digital Media iDataPlex DX360M3, Xeon E5645 6C 2.400GHz, Gigabit Ethernet 342.80
266 215.41 Digital Media iDataPlex DX360M3, Xeon E5645 6C 2.400GHz, Gigabit Ethernet 342.80
267 215.39 Semiconductor Company xSeries iDataPlex, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 330.90
268 215.38 Financial Institution (P) iDataPlex DX360M3, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 376.75
269 214.78 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 380.23
270 214.78 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 380.23
271 214.78 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 380.23
272 214.78 Defense BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband 380.23
273 210.94 Netwok Equipment Provider BladeCenter HS22 Cluster (WM), Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 372.82
274 210.93 Classified BladeCenter HS22 Cluster (WM), Xeon X5650 6C 2.660GHz, Gigabit Ethernet 356.80
275 210.91 Telecommunication Company BladeCenter HS22 Cluster, WM Xeon 6-core 2.66Ghz, GigE 301.70
276 210.50 Banking (M) xSeries x3650 Cluster Xeon QC GT 2.66 GHz, Infiniband 298.00
277 206.51 Banking (M) BladeCenter HX5, Xeon E7-2860 10C 2.260GHz, Gigabit Ethernet 467.02
278 204.00 Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations eServer Blue Gene Solution 358.00
279 203.87 Stony Brook/BNL, New York Center for Computational Sciences New York Blue - eServer Blue Gene Solution 403.00
280 203.77 IBM Thomas J. Watson Research Center BGW - eServer Blue Gene Solution 448.00
281 201.61 Communications BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 335.70
282 201.61 Communications BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 335.70
283 201.61 Telecommunication Company BladeCenter HS22 Cluster (WM), Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 309.10
284 201.60 Government BladeCenter HS22 Cluster (WM), Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 318.20
285 200.83 Communications BladeCenter HS22 Cluster, WM Xeon 6-core 2.93Ghz, GigE 386.88
286 200.82 Communications BladeCenter HS22 Cluster (WM), Xeon X5670 6C 2.930GHz, Gigabit Ethernet 487.23
287 196.79 Banking (M) xSeries x3850M2 Cluster Xeon QC GT 2.53 GHz, GigEthernet 323.80
288 196.00 Telecommunication Company iDataPlex DX360M3, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 480.58
289 196.00 Telecommunication Company iDataPlex DX360M3, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 480.58
290 196.00 Telecommunication Company iDataPlex DX360M3, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 480.58
291 196.00 Telecommunication Company iDataPlex DX360M3, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 480.58
292 196.00 Financial Services (H) iDataPlex DX360M3, Xeon E5649 6C 2.53 GHz, Gigabit Ethernet 534.06
293 196.00 Digital Media iDataPlex DX360M3, Xeon E5645 6C 2.400GHz, Gigabit Ethernet 652.74
294 186.20 Internet Service xSeries x3650M2 Cluster Xeon QC, Xeon E5540 4C 2.530GHz, Gigabit Ethernet 526.10
295 186.20 Internet Service xSeries x3650M2 Cluster, Xeon QC E55xx 2.53 Ghz, GigE 526.10
296 185.83 Electronics xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 782.00
297 185.83 Electronics xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 782.00
298 185.79 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 367.60
299 185.79 Service Provider xSeries x3550M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 770.50
300 185.78 Banking (M) xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 369.80

* Only systems with power data submitted directly to the Green500 are included in the Little list. Performance data may be obtained from publicly available sources including TOP500