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The Worlds Fastest Supercomputers
IBM BlueGene/L System at Lawrence Livermore National Laboratory still leading Top 500
June 27, 2007 - Today, a new Top 500 list of the worlds fastest supercomputers was presented at the International Supercomputing Conference (ISC '07) in Dresden, Germany.
Even though the list shows a lot of shuffling among the top-ranked systems and the largest turnover among list entries in the history of the Top 500 project, the BlueGene/L System developed by IBM and DOE's National Nuclear Security Administration (NNSA) and installed at DOE's Lawrence Livermore National Laboratory in Livermore, California, claimed the number 1 spot for the fourth straight time. The system reached a Linpack benchmark performance of 280.6 TeraFLOPS (trillions of floating point calculations per second).
Two other systems exceeded the level of 100 TeraFLOPS. The upgraded Cray XT4/XT3 at DOE's Oak Ridge National Laboratory ranked number 2 with a benchmark performance of 101.7 TeraFLOPS, and Sandia National Laboratory's Cray Red Storm system ranked third at 101.4 TeraFLOPS.
![IBM BlueGene/L System [IBM]](/headlines/2007/6/27/CL2-The_Worlds_Fastest_Supercomputers/IBM-BlueGene_L-2-PB016597-cropped-500x340.jpg "IBM BlueGene/L System [IBM]")
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