top500

TOP500 (www.top500.org) is a website founded in June 1993 which assembles and maintains a list of the 500 most powerful computer systems in the world (i.e. the world's 500 leading supercomputers) twice a year, based on the LINPACK benchmark. The data on the website was originally copied from the "List of the world's most powerful computing sites", which had been started six months earlier in January 1993 as a not for profit service. TOP500 never was as accurate, up-to-date, unbiased or detailed as the "List", but due to significant corporate sponsorship became used in various marketing materials. After seven years the "List" closed down due to the disheartening lack of recognition. The following is the Top 10 from the 24th TOP500 TOP500 List was introduced during the Supercomputer Conference (SC2004)(November 6-12) in Pittsburgh, PA., in the USA.

Rank	Site/Country/Year	Computer/Processor/Manufacturer	Rmax/Rpeak
1	IBM/DOE United States/2004	BlueGene/L beta-System BlueGene/L DD2 beta-System (0.7 GHz PowerPC 440) / 32768 IBM	70720/91750
2	NASA/Ames Research Center/NAS United States/2004	Columbia SGI Altix 1.5 GHz, Voltaire Infiniband / 10160 SGI	51870/60960
3	The Earth Simulator Center Japan/2002	Earth-Simulator / 5120 NEC	35860/40960
4	Barcelona Supercomputer Center Spain/2004	MareNostrum eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet / 3564 IBM	20530/31363
5	Lawrence Livermore National Laboratory United States/2004	Thunder Intel Itanium2 Tiger4 1.4GHz - Quadrics / 4096 California Digital Corporation	19940/22938
6	Los Alamos National Laboratory United States/2002	ASCI Q ASCI Q - AlphaServer SC45, 1.25 GHz / 8192 HP	13880/20480
7	Virginia Tech United States/2004	System X 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE / 2200 Self-made	12250/20240
8	IBM - Rochester United States/2004	BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 /Custom) / 8192 IBM/ LLNL	11630/16384
9	Naval Oceanographic Office (NAVOCEANO) United States/2004	CeServer pSeries 655 (1.7 GHz Power4+) / 2944 IBM	10310/20019.2
10	NCSA United States/2003	Tungsten PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet / 2500 Dell	9819/15300

External link

http://www.top500.org/

TOP500

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