IBM has regained dominance on a list of the 500 fastest supercomputers and has also landed two unusual prototypes in the top 10. The TOP 500 Supercomputer Listing-Jun 2004 IBM has built 224 of the 500 fastest supercomputers and hopes its Blue Gene/L design will carry it to the No. 1 spot within six months.Big Blue believes its designs should allay concerns that the United States is losing its supercomputing edge to Japan. And low-cost clusters of machines now account for more than half the systems on the list.The top system--NEC's long-dominant, 5,120-processor Earth Simulator--can perform 35.8 trillions of calculations per second, or 35.8 teraflops.Some comfort for all -supercomputer power is growing and the US dominance is not coming down, US company producs are indeed putting up a good show in these tests.
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