IBM tops supercomputer speed list

Researchers at the University of Mannheim and the University of Tennessee have released the 18th edition of the Top 500 list of...

Researchers at the University of Mannheim and the University of Tennessee have released the 18th edition of the Top 500 list of the world's fastest supercomputers.

IBM held on to its No.1 spot on the list, published on 9 November, and captured three of the top five positions. Big Blue was the overall leader, with 32% of the total 500 supercomputer systems.

Hewlett-Packard supercomputers occupied 30% of the Top 500, in what list representatives called a "surprise move".

The list is compiled in the order of performance ranking based on the Linpack supercomputing benchmark.

HP supercomputers do not appear on the list until position 148, with a 196.7GFlop HP SuperDome/Hyperplex system installed at the Agilant.

Silicon Graphics, Cray and Sun Microsystems followed IBM and HP in the number of systems appearing on the Top 500 list with 8%, 8% and 6% respectively.

Compaq shot to position No. 2 on the list, with a 4059GFlop AlphaServer SC installed at the Pittsburgh Supercomputing Centre. In the previous version of the Top 500 released six months ago, Compaq's most powerful supercomputer appeared at position No. 43.

Eight of the Top 10 supercomputing systems were installed in the US, which "demonstrates the leadership of the US in the usage of high-performance computing", according to list representatives.

IBM's 7226GFlop ASCI White SP took first place on the list, followed by Compaq's system. A 3052GFlop IBM SP system gained third place, followed by a 2379GFlop ASCI Red supercomputer from Intel.

Hitachi and Silicon Graphics were the only other supercomputer makers to appear in the Top 10, coming in seventh and eighth respectively.

Further information
www.top500.org

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