by 
Tree Hugger
The article was orginally published at: Green500 List Ranks World’s Fastest Supercomputers by Energy Efficiency
IBM Blue Gene/P supercomputer at the Argonne Leadership Computing Facility. Photo: Flickr, CC
Big Blue Dominates the List
The geeks reading this will know about Top500.org, a reference website that ranks the world’s fastest supercomputers by raw speed. It’s all about teraFLOPS (10^12 operations per seconds), and until a few years ago, that’s pretty much all that most people cared about. But these days, energy efficiency is becoming the dominant metric. Operations per watt is now key, and that’s what the <a href="…
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