November 2005

The 26th TOP500 List was introduced during theĀ Supercomputing Conference(SC|05) in Seattle, WA.

The No. 1 position was again claimed by the BlueGene/L System, a joint development of IBM and DOE's National Nuclear Security Administration (NNSA) and installed at DOE's Lawrence Livermore National Laboratory in Livermore, Calif. BlueGene/L also occupied the No. 1 position on the last two TOP500 lists. However, the system was doubled in size during the last six months and reached a new record Linpack benchmark performance of 280.6 TFlop/s ("teraflops" or trillions of calculations per second). No other system has yet exceeded the level of 100 TFlop/s and this system is expected to remain the No. 1 Supercomputer in the world for the next few editions of the TOP500 list.

The pace of innovation and performance improvements seen at the very high end of scientific computing shows no sign of slowing down. This time, four of the TOP10 systems on the June 2005 TOP500 list were displaced by newly installed systems, and the last 221 systems on the list from June 2005 are now too small to be included.

TOP 10 Sites for November 2005

For more information about the sites and systems in the list, click on the links or view the complete list.

Rank Site System Cores Rmax (TFlop/s) Rpeak (TFlop/s) Power (kW)
1 DOE/NNSA/LLNL
United States
BlueGene/L - eServer Blue Gene Solution
IBM
131072 280.6 367.0 1433
2 IBM Thomas J. Watson Research Center
United States
BGW - eServer Blue Gene Solution
IBM
40960 91.3 114.7 448
3 DOE/NNSA/LLNL
United States
ASC Purple - eServer pSeries p5 575 1.9 GHz
IBM
10240 63.4 77.8 1671
4 NASA/Ames Research Center/NAS
United States
Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband
SGI
10160 51.9 61.0
5 Sandia National Laboratories
United States
Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband
Dell
8000 38.3 57.6
6 Sandia National Laboratories
United States
Red Storm Cray XT3, 2.0 GHz
Cray Inc.
10880 36.2 43.5
7 Japan Agency for Marine -Earth Science and Technology
Japan
Earth-Simulator
NEC
5120 35.9 41.0 3200
8 Barcelona Supercomputing Center
Spain
MareNostrum - JS20 Cluster, PPC 970, 2.2 GHz, Myrinet
IBM
4800 27.9 42.1
9 ASTRON/University Groningen
Netherlands
Stella - eServer Blue Gene Solution
IBM
12288 27.4 34.4 134
10 DOE/SC/Oak Ridge National Laboratory
United States
Jaguar - Cray XT3, 2.4 GHz
Cray Inc.
5200 20.5 25.0

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