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The Green500 List - November 2007

The inaugural Green500 was announced on November 15, 2007 at SC|07. As a complement to the TOP500, the unveiling of the Green500 ushers in a new era where supercomputers can be compared by performance-per-watt.
For this inaugural list, performance is measured in floating point operations per seconds as reported by the TOP500 and power is measured in watts consumed during a Linpack run (if submitted) or peak power consumption of the supercomputer otherwise.

The Green500 List

Listed below are the November 2007 The Green500's energy-efficient supercomputers ranked from 1 to 10.

Green500 Rank MFLOPS/W Site* Computer* Total Power
1 357.23 Science and Technology Facilities Council - Daresbury Laboratory Blue Gene/P Solution 31.10
2 352.25 Max-Planck-Gesellschaft MPI/IPP Blue Gene/P Solution 62.20
3 346.95 IBM - Rochester Blue Gene/P Solution 124.40
4 336.21 Forschungszentrum Juelich (FZJ) Blue Gene/P Solution 497.60
5 310.91 Oak Ridge National Laboratory Blue Gene/P Solution 70.47
6 210.56 Harvard University eServer Blue Gene Solution 44.80
7 210.56 High Energy Accelerator Research Organization /KEK eServer Blue Gene Solution 44.80
8 210.56 IBM - Almaden Research Center eServer Blue Gene Solution 44.80
9 210.56 IBM Research eServer Blue Gene Solution 44.80
10 210.56 IBM Thomas J. Watson Research Center eServer Blue Gene Solution 44.80

* Performance data obtained from publicly available sources including TOP500