Sure, IBM's ten petaflop supercomputer  may sound impressive, but Cray can do you five better -- the outfit  just announced the Cray XK6, an upgradable, hybrid supercomputing system  capable of more than 50 petaflops of computational muscle. Powered by  Cray's Gemini interconnect, AMD Opteron 6200 processors, and NVIDIA  Tesla 20-Series GPUs, the XK6 system blends x86 and GPU environments  with the firm's own flavor of Linux. The folks at Cray won't resort to  bragging, however -- they're humbly declaring the machine to be the  first "general-purpose supercomputer based on GPU technology," and not,  as they put it, a stunt to place high on any Top 500 lists. Suggestive, aren't they?
 
 Cray
Cray 
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