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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 401 to 500.

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
401 69.67 IT Service Provider Cluster Platform 3000 SL2x170z, Xeon L5680 3.33 GHz, Infiniband 864.00
402 69.67 IT Service Provider Cluster Platform 3000 SL2x170z, Xeon L5680 3.33 GHz, Infiniband 864.00
403 69.67 IT Service Provider Cluster Platform 3000 SL2x170z, Xeon L5680 3.33 GHz, Infiniband 864.00
404 64.87 Network Equipment Provider Cluster Platform 3000 BL460c G1, Xeon E5450 3.0 GHz, GigE 649.93
405 64.86 IT Service Provider (D) Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 653.86
406 64.83 Consulting (C) Cluster Platform 3000 BL460c G1, Xeon E5450 3.0 GHz, GigE 663.26
407 64.64 Computacenter (UK) LTD Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 740.88
408 64.63 IT Service Provider (B) Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 744.80
409 64.00 Government Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, Infiniband 2,806.85
410 63.82 National Fusion Research Institute HP BL685cG7, Opteron 12C, 2.2GHz, Infiniband 677.37
411 63.17 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon X5570 2.93 GHz, GigE 723.64
412 63.17 Information Services Cluster Platform 3000 BL460c G6, Xeon X5570 2.93 GHz, GigE 723.64
413 62.74 Max-Planck-Gesellschaft MPI/Eisenforschung Megware Saxonid 6100, Opteron 12C 2.3 GHz, Infiniband QDR 660.80
414 61.66 Actebis Peacock GmbH Cluster Platform 3000 BL460c G6, Xeon L5640 2.26 GHz, 10G 731.21
415 61.66 Actebis Peacock GmbH Cluster Platform 3000 BL460c G6, Xeon L5640 2.26 GHz, 10G 731.21
416 61.66 Actebis Peacock GmbH Cluster Platform 3000 BL460c G6, Xeon L5640 2.26 GHz, 10G 731.21
417 61.57 Gdansk University of Technology, CI Task ACTION Xeon HP BL2x220/BL490 E5345/L5640 Infiniband 1,065.33
418 61.22 Financial Institution Cluster Platform 3000 BL460c G6, Xeon L5520 2.26 GHz, Infiniband 940.06
419 57.48 US Army Research Laboratory (ARL) Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB 706.56
420 57.08 Leibniz Rechenzentrum Altix 4700 1.6 GHz 990.24
421 56.33 QXL Poland SP ZOO Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, GigE 723.63
422 56.19 Semiconductor Company (P) Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 815.40
423 56.19 Semiconductor Company (P) Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 815.40
424 56.19 IT Service Provider Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 910.80
425 56.12 Nasza Klasa Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, GigE 829.47
426 55.77 Financial Service Provider Cluster Platform SL170z, Xeon X5650 2.66 Ghz, Infiniband 777.60
427 55.71 IT Services Provider (B) Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 777.60
428 55.65 Tomsk State University T-Platforms T-Blade 1.1/2.0, Xeon X5670 2,93 GHz, Infiniband 751.80
429 55.33 Financial Institution (U2) Cluster Platform 3000 BL460c G7, Xeon X5675 3.06 Ghz, GigE 855.83
430 55.33 Financial Institution (U2) Cluster Platform 3000 BL460c G7, Xeon X5675 3.06 Ghz, GigE 855.83
431 54.83 Air Force Research Laboratory - ARFL DSRC Altix 4700 1.6 GHz 938.12
432 54.50 DOE/SC/Pacific Northwest National Laboratory Cluster Platform 4000 DL185G5, Opteron QC 2.2 GHz, Infiniband DDR 1,781.25
433 54.19 NASA/Ames Research Center/NAS SGI Altix 1.5/1.6/1.66 GHz, Voltaire Infiniband 1,228.50
434 54.10 Financial Institution Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 761.51
435 54.03 Arrow Enterprise Computing Solutions Cluster Platform 3000 BL460c G7, Xeon X5670 2.93 Ghz, GigE 804.19
436 54.00 IT Services Provider (D) Cluster Platform 3000 BL460c G6, Xeon X5570 2.93 GHz, GigE 818.42
437 53.93 IT Services Provider (D) Cluster Platform 3000 BL460c G6, Xeon X5670 2.93 GHz, GigE 855.83
438 53.91 IT Services Provider (D) Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 866.85
439 53.83 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 913.67
440 53.83 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 913.67
441 53.83 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 913.67
442 53.76 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 956.36
443 53.76 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 956.36
444 53.76 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 956.36
445 53.71 Financial Services (H) Cluster Platform 3000 BL460c G1, Xeon L5420 2.5 GHz, GigE 814.58
446 53.46 IT Service Provider Cluster Platform 3000 BL460c G7, Xeon X5670 2.93 Ghz, GigE 1,120.91
447 53.39 IT Service Provider Cluster Platform 3000 BL460c G7, Xeon X5670 2.93 Ghz, GigE 1,160.16
448 53.35 Arrow Enterprise Computing Solutions Cluster Platform 3000 BL460c G7, Xeon X5670 2.93 Ghz, GigE 1,183.57
449 53.22 IT Services Provider (C) Cluster Platform 3000 BL460c G6, Xeon X5570 2.93 GHz, GigE 1,258.62
450 53.11 Computacenter (UK) LTD Cluster Platform 3000 BL460c G1, Xeon L5420 2.5 GHz, GigE 1,105.45
451 52.84 IT Service Provider (D) Cluster Platform 3000 BL460c G6, Xeon E5670 2.93 GHz, GigE 1,471.37
452 52.56 Purdue University Cluster Platform 3000 DL165, Opteron 2.5 GHz, 10GigE 993.00
453 51.51 Web Company (C) Cluster Platform 4000 BL685c G7, Opteron 8C 2.4 Ghz, GigE 838.88
454 51.00 Japan Agency for Marine -Earth Science and Technology SX-9/E/1280M160 2,400.00
455 50.04 Financial Institute Cluster Platform 3000 BL460c G1, Xeon L5410 2.33 GHz, GigE 826.34
456 49.89 Hosting Services Cluster Platform 3000 BL460c G1, Xeon L5410 2.33 GHz, GigE 903.17
457 48.99 Logistic Services (E) Cluster Platform 3000 BL460c G6, Xeon X5550 2.66 GHz, GigE 842.29
458 48.84 IT Service Provider Cluster Platform 3000 BL460c G7, Xeon X5650 2.66 Ghz, GigE 932.26
459 48.76 Web Company (C) Cluster Platform 3000 BL460c G7, Xeon X5650 2.66 Ghz, GigE 981.83
460 48.70 IT Services Provider (D) Cluster Platform 3000 BL460c G6, Xeon X5550 2.66 GHz, GigE 1,021.31
461 48.49 IT Services Provider (D) Cluster Platform 3000 BL460c G7, Xeon X5650 2.66 Ghz, GigE 1,149.14
462 48.35 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon E5520 2.26 GHz, GigE 921.20
463 48.12 IT Service Provider Cluster Platform 3000 BL460c G7, Xeon X5650 2.66 Ghz, GigE 1,375.67
464 47.84 Arrow Enterprise Computing Solutions Cluster Platform 3000 BL460c G7, Xeon X5650 2.66 Ghz, GigE 1,554.00
465 47.48 Logistic Services (C) Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 855.00
466 47.43 Logistic Services (C) Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 882.90
467 47.43 Logistic Services (C) Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 882.90
468 47.43 Telecommunication Company Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 882.90
469 46.60 Logistic Services (C) Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 964.80
470 46.34 Netwok Equipment Provider Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 892.32
471 46.34 Logistic Services (C) Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 1,008.00
472 46.31 IT Service Provider (D) Cluster Platform 3000 BL460c G6, Xeon E5540 2.53 GHz, GigE 979.20
473 46.15 IT Service Provider Cluster Platform 4000 BL685c G7, Opteron 12C 2.2 Ghz, GigE 1,426.49
474 45.50 Government Cluster Platform 3000 BL2x220, E5530 2.4 GHz, GigE 910.19
475 44.69 Web Company (C) Cluster Platform 4000 BL685c G7, Opteron 12C 2.1 Ghz, GigE 1,058.40
476 44.55 Actebis Peacock GmbH Cluster Platform 4000 BL685c G7, Opteron 12C 2.1 Ghz, GigE 1,138.37
477 44.52 Web Company (C) Cluster Platform 4000 BL685c G7, Opteron 12C 2.1 Ghz, GigE 1,154.83
478 44.39 IT Service Provider Cluster Platform 4000 BL685c G7, Opteron 12C 2.1 Ghz, GigE 1,230.10
479 44.34 Telecommunication Company Cluster Platform 3000 BL460c G6, Xeon E5530 2.4 GHz, GigE 1,080.00
480 43.54 Web Company (C) Cluster Platform 3000 BL460c G7, Xeon E5620 2.4 Ghz, GigE 1,295.80
481 42.22 IT Service Provider Cluster Platform 3000 BL460c G6, Xeon L5520 2.26 GHz, GigE 964.80
482 42.01 KTH - Royal Institute of Technology PowerEdge SC1435 Dual core Opteron 2.2 GHz, Infiniband 1,470.00
483 40.73 University of Waterloo Cluster Platform SL165z G7, Opteron 6174 2.2 Ghz, Infiniband 1,152.00
484 38.01 DOE/NNSA/LLNL eServer pSeries p5 575 1.9 GHz 1,992.96
485 37.29 Web Company (F) Cluster Platform SL170z, Xeon X5650 2.66 Ghz, GigE 1,296.00
486 37.29 Web Company (F) Cluster Platform SL170z, Xeon X5650 2.66 Ghz, GigE 1,296.00
487 37.17 Logistic Services (E) Cluster Platform 3000 SL160z, Xeon X5550 2.66 GHz, GigE 1,423.80
488 37.17 Logistic Services (E) Cluster Platform 3000 SL160z, Xeon X5550 2.66 GHz, GigE 1,423.80
489 37.17 Logistic Services (E) Cluster Platform 3000 SL160z, Xeon X5550 2.66 GHz, GigE 1,423.80
490 37.17 Logistic Services (E) Cluster Platform 3000 SL160z, Xeon X5550 2.66 GHz, GigE 1,423.80
491 37.11 Web Company (F) Cluster Platform 3000 SL160z, Xeon X5650 2.66 GHz, GigE 1,487.70
492 37.11 Web Company (F) Cluster Platform 3000 SL160z, Xeon X5650 2.66 GHz, GigE 1,487.70
493 37.11 Web Company (F) Cluster Platform 3000 SL160z, Xeon X5650 2.66 GHz, GigE 1,487.70
494 36.61 Financial Institution Cluster Platform 3000 BL460c G6, Xeon L5520 2.26 GHz, GigE 1,112.65
495 34.41 Government Cray XT5 QC 2.4 GHz 4,812.42
496 33.70 Financial Services Company (G) Cluster Platform 3000 DL165, Opteron 2.1 GHz 12C, GigE 2,598.00
497 31.37 Financial Institution Cluster Platform 3000 SL160z, Xeon L55xx 2.26 GHz, GigE 1,689.60
498 30.45 Web Content Provider(P) Cluster Platform SL165z G7, Opteron 6174 2.2 Ghz, Infiniband 1,800.00
499 24.93 Commissariat a l'Energie Atomique (CEA) Novascale 3045, Itanium2 1.6 GHz, Infiniband 1,689.60
500 21.36 NNSA/Sandia National Laboratories PowerEdge 1850, 3.6 GHz, Infiniband 2,481.60

* Performance data obtained from publicly available sources including TOP500

 
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