The Register: IBM has replaced HP as the hostest with the mostest fastest supercomputers. In the 23rd bi-annual survey of Top 500 supercomputer sites, IBM has 44.8 per cent of entrants and 50.12 per cent of the performance. HP is in second place with 28 per cent of systems and 18.5 per cent of installed performance.
Pole position is held for the third year in a row by NEC's Earth Simulator based in Yokohama, Japan. It has a Linpack benchmark performance of 35.86 teraflops - trillions of calculations - per second.
In second place is Thunder at the University of California's Lawrence Livermore National Laboratory which uses more than 4,000 Intel Itanium 2 chips. It supports the university's research activities in materials research, electromagnetics, atmospheric and ocean science.
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