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HECToR, the most powerful British supercomputer, is a Cray XT6m 12-core processor system, but only contains 43,660 cores. It measured at 274.70 teraflops. HECToR, which stands for "High-End Computing Terascale Resource", is housed at the University of Edinburgh in Scotland.
Photo Courtesy the University of Edinburgh.
Another Sandia National Laboratories supercomputer, Red Storm is a Cray XT3/XT4 device with 38,208 cores and measuring at 204.20 teraflops.
Photo courtesy Randy Montoya, Sandia National Laboratories.
Shaheen is our last featured supercomputer. An IBM platform, this supercomputer contains 65,636 cores and was tested at 191.40 teraflops. It is housed at the King Abdullah University of Science and Technology in Saudi Arabia and is the Middle East's most powerful computer. Shaheen is the Arabic name for the peregrine falcon, which is one of the fastest creatures on the planet.
Photo of generic IBM Blue Gene/P cabinet courtesy IBM.
For more information on the Top 500 list, visit http://www.top500.org. Also, see Zack Whittaker's blog post at ZDNet: US still the supercomputing superpower; Academia has major stake.