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The Little Green500 List - June 2011

The Green500 List

Listed below are the June 2011 Little Green500's energy-efficient supercomputers ranked from 1 to 10.

Green500 Rank MFLOPS/W Site* Computer* Total Power
(kW)
1 2,097.19 IBM Thomas J. Watson Research Center NNSA/SC Blue Gene/Q Prototype 2 40.95
2 1,684.20 IBM Thomas J. Watson Research Center NNSA/SC Blue Gene/Q Prototype 1 38.80
3 1,473.44 National Astronomical Observatory of Japan GRAPE-DR accelerator Cluster, Infiniband 25.41
4 1,375.88 Nagasaki University DEGIMA 34.24
5 1,031.92 GSIC Center, Tokyo Institute of Technology TSUBAME 2.0 Windows HPC Server Power-Efficiency Experimental 26.00