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Oak Ridge supercomputer is the world's fastest for science
Date:11/17/2008

of biofuels commercially viable as well as coal gasification processes to help industry design near-zero-emission plants. Combustion scientists have studied how fuel burnsimportant for fuel-efficient, low-emission engines. Computer models have helped physicists use radio waves to heat and control ionized fuel in a fusion reactor. Similarly, engineers have designed materials to recover energy escaping from vehicle tailpipes. Simulation insights have enabled biologists to design new drugs to thwart Alzheimer's fibrils and engineer the workings of cellular ion channels to detoxify industrial wastes.

Jaguar's superlative speed is matched by substantial memory that allows scientists to solve complex problems, sizeable disk space for storing massive amounts of data, and unmatched speed to read and write files. High-speed Internet connections enable users from around the world to access the machine, and high-end visualization helps them make sense of the avalanche of data Jaguar generates.

Twice a year, the TOP500 list ranks powerful computing systems on their speed in running a benchmark program called HPL, for High-Performance Linpack. In June of 2007, Jaguar solved the largest HPL challenge evera matrix problem with nearly 5 trillion elements. The achievement highlights Jaguar's skill in balancing processor speed and system memory.

Oak Ridge National Laboratory is managed by UT-Battelle for the U.S. Department of Energy.

Jaguar at a glance:

  • Cray XT
  • Top500 rank: 2 + 8
  • 1.64-petaflops peak theoretical performance
  • 1.059 + 0.205-petaflops actual performance on HPL benchmark program
  • 182,000 processing cores
  • AMD quad-core OpteronTM 2.3 gigahertz processors
  • InfiniBand network
  • Cray SeaStar network interface and router
  • 362 terabytes of memory
  • 578 terabytes per second of memory bandwidth
  • 284 gigabytes per second of input/output bandwidth
  • 10-gigabyte-per-second connections to ESnet
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Contact: Bill Cabage
cabagewh@ornl.gov
865-574-4399
DOE/Oak Ridge National Laboratory
Source:Eurekalert  

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