BAD HARDWARE WEEK

Strange.
The contract also provides options for future upgrades that would quadruple the size of the system and eventually boost performance to one petaflops (1,000 trillion floating point operations per second) and beyond.
No any mention of Intel's forthcoming unbeatable Woodcrest? Seems that people at DOE would like to have Opteron designers at hand, not at Lebanon war or underground in Haifa, like is currently the case with Intel designers (search for more at this blog). Beside, perhaps DOE scientist has to deliver complex crunching results to their chiefs, not only a benchmarks like Intel does in a numerous (paid?) reviews.
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