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supercomputers - News, Features, and Slideshows
supercomputers in pictures
The U.S.'s recent denial of Intel chips for China's fastest supercomputer could derail an upgrade to double the machine's processing power.
U.S. government agencies have stopped Intel from selling microprocessors for China's supercomputers, apparently reflecting concern about their use in nuclear tests.
To get an edge over China in the supercomputing arms race, the U.S. plans to build a 180-petaflop supercomputer that will be used mainly for scientific research.
On Jan. 14, the U.S. upgraded its main weather forecasting model, which subsequently did a very good job in predicting the track of last week's East Coast blizzard. It correctly predicted that heavier snows would be east of New York City, even as the official weather forecast -- based on a mix of computer models -- had the city getting buried in two feet of snow.
To better anticipate the next Sandy-size hurricane, the U.S. National Oceanic and Atmospheric Administration (NOAA) is upgrading the supercomputers it uses for predicting the weather.
Georgia Tech researchers building an experimental new supercomputer say graphics processors may help pave the way toward future exascale machines, which would be 1,000 times faster than today's most powerful supercomputers.
When you enter the computer room on the second floor of Tokyo Institute of Technology's computer building, you're not immediately struck by the size of Japan's second-fastest supercomputer. You can't see the Tsubame computer for the industrial air conditioning units that are standing in your way, but this in itself is telling. With more than 30,000 processing cores buzzing away, the machine consumes a megawatt of power and needs to be kept cool.
Every June and November, with fanfare lacking only in actual drum rolls and trumpet blasts, a new list of the world's fastest supercomputers is revealed. Vendors brag, and the media reach for analogies such as "It would take a patient person with a handheld calculator x number of years (think millennia) to do what this hunk of hardware can spit out in one second."
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