Big Blue Dominates Green500

Ainsley Jones

IBM firmly placed its predominant stamp on the Green500 list of the most energy-efficient supercomputers.


According to ITWire, IBM's high-performance computing technology accounts for the 15 most efficient supercomputers and 45 of the top 50 machines on the list. The top three systems all achieve more than 400 MFLOPS/W (millions of floating-point operations per second per watt), a first for the third edition of the Green500.


The No. 1-ranked system is IBM's Boeblingen Lab supercomputer, which the company uses to develop its blade-computing systems, reports Third on the list is Roadrunner, which also sits atop the Top500, which ranks speed and power. HPCwire considers that notable, mentioning that world's fastest computer is not an energy hog.

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