The U.S. is building two 20-petaflop supercomputers, many times more powerful than anything operating today, including China's new supercomputer, the Tianhe-1A , which is expected to be officially crowned next week as the world's fastest system.
Oak Ridge National Laboratory, home for what has been the world's most powerful system, the Jaguar, a 1.75-petaflop system , versus Tianhe-1A's 2.5 petaflops, is building a 20-petaflop system that will include accelerators.
That system will be ready in 2012, James Hack, director of the National Center for Computational Sciences at Oak Ridge, told Computerworld. No other details about the system are being offered.
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"The expectation, based on development of processor technology, is that the first exascale system may arrive around 2018"
So buy the time, USA gets it's new super computer installed by 2012, six years later they might have something that does exascale. Woudl this be a simple upgrade, to the existing super computers, or will it have to an entire new system? BTW, who's fronting the bill on this, let only how much it cost to begin with.