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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 301 to 400.

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
301 185.78 Banking (M) xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 369.80
302 185.78 Banking (M) xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 369.80
303 185.78 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 347.60
304 185.78 Service Provider xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 411.30
305 185.78 Service Provider xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 411.30
306 185.77 Service Provider xSeries x3550M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 353.80
307 185.77 Service Provider xSeries x3550M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 353.80
308 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 648.28
309 185.77 Service Provider xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 432.43
310 185.77 Service Provider xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 432.43
311 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 612.61
312 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 612.61
313 185.77 Telecommunication Company xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 647.19
314 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 707.25
315 185.77 Banking (M) xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 480.48
316 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 500.50
317 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 500.50
318 185.77 Banking (M) xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 492.13
319 185.77 E-Commerce xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 690.51
320 185.77 E-Commerce xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 690.51
321 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 441.53
322 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 522.34
323 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 522.34
324 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 522.34
325 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 522.34
326 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 525.98
327 185.77 Internet Service xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 525.98
328 185.77 Electronics xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 416.42
329 185.77 Electronics xSeries x3650M3 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 416.42
330 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
331 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
332 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
333 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
334 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
335 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
336 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
337 185.77 Internet Service xSeries x3650 Cluster, Xeon E5649 6C 2.530GHz, Gigabit Ethernet 496.50
338 185.76 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 402.60
339 185.76 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 402.60
340 185.76 Internet Service xSeries x3650M3, Xeon X56xx 2.53 GHz, GigE 402.60
341 181.79 Network Company (B) xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 416.60
342 181.78 Information Service xSeries x3550M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 405.10
343 181.78 Service Provider xSeries x3650M4 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 660.67
344 181.78 Service Provider xSeries x3650M4 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 660.67
345 181.78 Financial Institution xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 690.43
346 181.77 Service Provider xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 626.08
347 181.77 Service Provider xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 626.08
348 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
349 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
350 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
351 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
352 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
353 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
354 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
355 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
356 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
357 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
358 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
359 181.77 Internet Service xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 421.48
360 181.77 Engineering Company xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 440.45
361 181.77 Engineering Company xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 440.45
362 181.77 Engineering Company xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 440.45
363 181.77 Engineering Company xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 440.45
364 181.77 Engineering Company xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 440.45
365 181.77 Engineering Company xSeries x3650M3 Cluster, Xeon X5650 6C 2.660GHz, Gigabit Ethernet 440.45
366 181.76 Service Provider xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 360.50
367 181.76 Service Provider xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 360.50
368 181.76 Service Provider xSeries x3650M3 Cluster, Xeon X5650 6C 2.66 GHz, Gigabit Ethernet 360.50
369 180.60 Shanghai Supercomputer Center Magic Cube - Dawning 5000A, QC Opteron 1.9 Ghz, Infiniband, Windows HPC 2008 1,000.00
370 178.94 IT Service Provider (B) BladeCenter HS22 Cluster, Xeon E5540 4C 2.53 GHz, Gigabit Ethernet 360.40
371 178.94 IT Service Provider (B) BladeCenter HS22 Cluster, Xeon QC X55xx 2.53 GHz, GigEthernet 360.40
372 178.92 Logistics BladeCenter HS22 Cluster, Xeon QC E5xx 2.53 GHz, GigEthernet 370.80
373 178.92 IT Services Provider (C) BladeCenter HS22 Cluster, Xeon QC X55xx 2.53 GHz, GigEthernet 349.30
374 178.92 IT Services Provider (C) BladeCenter HS22 Cluster, Xeon QC X55xx 2.53 GHz, GigEthernet 349.30
375 178.23 Financial Institution (P) BladeCenter HS22 Cluster, Xeon E5540 4C 2.53 GHz, Gigabit Ethernet 497.76
376 178.23 Banking (M) BladeCenter HS22 Cluster (WM), Xeon E5649 6C 2.530GHz, Gigabit Ethernet 747.40
377 178.23 Network Company BladeCenter HS22 Cluster (WM), Xeon E5649 6C 2.53 GHz, Gigabit Ethernet 740.20
378 178.23 Telecommunication Company BladeCenter HS22 Cluster, Xeon QC GT 2.53 GHz, GigEthernet 490.18
379 177.03 Bank (J) xSeries x3650M3, Xeon X56xx 2.93 GHz, GigE 391.90
380 177.03 Bank (J) xSeries x3650M3, Xeon X56xx 2.93 GHz, GigE 391.90
381 177.02 Government xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 546.26
382 177.00 Banking (M) xSeries x3650M3, Xeon X56xx 2.93 GHz, GigE 395.40
383 177.00 Banking (M) xSeries x3650M3, Xeon X56xx 2.93 GHz, GigE 395.40
384 177.00 Banking (M) xSeries x3650M3, Xeon X56xx 2.93 GHz, GigE 395.40
385 177.00 Engineering Company xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 387.00
386 177.00 Engineering Company xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 387.00
387 177.00 Engineering Company xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 387.00
388 177.00 Engineering Company xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 387.00
389 177.00 Banking (M) xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 351.10
390 177.00 Banking (M) xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 351.10
391 177.00 Banking (M) xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 351.10
392 177.00 Banking (M) xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 351.10
393 177.00 Banking (M) xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 351.10
394 177.00 Banking (M) xSeries x3650M3 Cluster, Xeon X5670 6C 2.93 GHz, Gigabit Ethernet 351.10
395 176.35 IBM Development Engineering BladeCenter HS22 Cluster (WM), Xeon E5649 6C 2.530GHz, Gigabit Ethernet 956.07
396 176.20 Service Provider BladeCenter HS22 Cluster, Xeon QC GT 2.53 GHz, GigEthernet 431.50
397 175.78 System Integrator BladeCenter HS22 Cluster (WM), Xeon L5639 6C 2.130GHz, Infiniband 698.10
398 172.39 Engineering Company BladeCenter HS22 Cluster, Xeon QC GT 2.66 GHz, GigEthernet 365.70
399 172.39 Engineering Company BladeCenter HS22 Cluster, Xeon QC GT 2.66 GHz, GigEthernet 365.70
400 172.39 Engineering Company BladeCenter HS22 Cluster, Xeon QC GT 2.66 GHz, GigEthernet 365.70

* 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