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The Green500 List - November 2008

This 4th edition of the Green500 List contains a plethora of interesting takeaways,
of which the following are notable accomplishments in the awareness of green supercomputing.

  1. The 500MFlops/Watt barrier is surpassed.
    • Four new IBM QS22 systems take over the top four spots on the Green500. Cell-based systems, comprising the top 7 spots, are pacing the energy-efficient supercomputing community with an increase in energy efficiency of 17% over the last edition released in June.
  2. Over 50% of the top supercomputers are now reporting their energy usage.
    • In this edition, 276 of the top 500 sites reported their power usage along with their performance, marking an 19.5% increase over the last release. Further, this increase in reporting encompasses 18% more hardware manufacturers, a benefit to HEC users evaluating future purchases with energy-efficiency in mind.

The Green500 List

Listed below are the November 2008 The Green500's energy-efficient supercomputers ranked from 1 to 10.

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
1 536.24 Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw BladeCenter QS22 Cluster, PowerXCell 8i 4.0 Ghz, Infiniband 34.63
2 530.33 Repsol YPF BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband 26.38