The world's most powerful supercomputer

last week China surprised the world by presenting the world's fastest supercomputer, the Tianhe 1A. A 2.5 petaflops, the machine is 40% more powerful than the previous record holder, the Jaguar Cray AMD, National Center for Computational Sciences.

Jack Dongarra

But according to the official Top 500 list of the fastest systems in the world, there are five systems in the planning or construction of the Tianhe potentially exceed 1A.

The National Center for Supercomputing Applications (National Center for Supercomputing Applications, or NCSA) at the University of Illinois receive a system of this type in the first half of 2011, gradually increasing its massive processing of scientific data in autumn 2011, says Thom Dunning, director of NCSA. In 2012, we will complete the system, called Blue Waters

, and the entire team and support a wide range of scientific research. Blue Waters will be unique in several respects. First, use the latest IBM Power chip: The Power 7. Even more essential to its operation will be the new supercomputer interconnect, which is the ultra-fast network that allows all computer's processor cores to each other. This interconnection has a bandwidth and latency significantly higher lower than previous interfaces such as InfiniBand, which is standard in many other supercomputers.

Blue Waters will also be unusually compact, each cabinet 39 inches wide by 6 feet deep, has only three racks. (A set of three racks, called the building block, is approximately 10 feet wide and 6 feet deep.)

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