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Real men don't use backups, they post their stuff on a public ftp server and let the rest of the world make copies.

Linus Torvalds

TOP500 List - November 2005 (1-100)

R_max and R_peak values are in GFlops. For more details about other fields, check the TOP500 description.

Rank	Site	Computer	Cores	Year	R_max	R_peak
1	DOE/NNSA/LLNL United States	BlueGene/L - eServer Blue Gene Solution IBM	131072	2005	280.60	367.00
2	IBM Thomas J. Watson Research Center United States	BGW - eServer Blue Gene Solution IBM	40960	2005	91.29	114.69
3	DOE/NNSA/LLNL United States	ASC Purple - eServer pSeries p5 575 1.9 GHz IBM	10240	2005	63.39	77.82
4	NASA/Ames Research Center/NAS United States	Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband SGI	10160	2004	51.87	60.96
5	Sandia National Laboratories United States	Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband Dell	8000	2005	38.27	64.51
6	Sandia National Laboratories United States	Red Storm Cray XT3, 2.0 GHz Cray Inc.	10880	2005	36.19	43.52
7	The Earth Simulator Center Japan	Earth-Simulator NEC	5120	2002	35.86	40.96
8	Barcelona Supercomputer Center Spain	MareNostrum - JS20 Cluster, PPC 970, 2.2 GHz, Myrinet IBM	4800	2005	27.91	42.14
9	ASTRON/University Groningen Netherlands	Stella - eServer Blue Gene Solution IBM	12288	2005	27.45	34.41
10	Oak Ridge National Laboratory United States	Jaguar - Cray XT3, 2.4 GHz Cray Inc.	5200	2005	20.53	24.96
11	Lawrence Livermore National Laboratory United States	Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics California Digital Corporation	4096	2004	19.94	22.94
12	Computational Biology Research Center, AIST Japan	Blue Protein - eServer Blue Gene Solution IBM	8192	2005	18.20	22.94
13	Ecole Polytechnique Federale de Lausanne Switzerland	eServer Blue Gene Solution IBM	8192	2005	18.20	22.94
14	ERDC MSRC United States	Cray XT3, 2.6 GHz Cray Inc.	4096	2005	16.98	21.30
15	COLSA United States	MACH5 - Apple XServe, 2.0 GHz, Myrinet Self-made	3072	2005	16.18	24.58
16	Korea Meteorological Administration Korea, South	Cray X1E (4GB) Cray Inc.	1020	2005	15.71	18.44
17	Oak Ridge National Laboratory United States	Cray X1E (2GB) Cray Inc.	1014	2005	14.96	18.33
18	Los Alamos National Laboratory United States	ASCI Q - AlphaServer SC45, 1.25 GHz Hewlett-Packard	8192	2002	13.88	20.48
19	Lawrence Livermore National Laboratory United States	eServer pSeries p5 575 1.9 GHz IBM	2048	2005	13.09	15.56
20	Virginia Tech United States	System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE Self-made	2200	2004	12.25	20.24
21	Japan Atomic Energy Research Institute Japan	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	2048	2005	11.81	13.11
22	IBM - Rochester United States	BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom) IBM/ LLNL	8192	2004	11.68	16.38
23	Wright-Patterson Air Force Base/DoD ASC United States	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	2048	2003	11.65	13.11
24	University of Southern California United States	HPC - Pentium4 Xeon, EM64T, Opteron, Opteron dual core, Cluster, Myrinet IBM, Sun, Myricom	2904	2005	10.75	17.28
25	US Army Research Laboratory (ARL) United States	John Von Neumann - LNX Cluster, Xeon 3.6 GHz, Myrinet Linux Networx	2048	2005	10.65	14.75
26	China Meteorological Administration China	eServer pSeries 655 (1.7 GHz Power4+) IBM	3200	2005	10.31	21.76
27	Naval Oceanographic Office (NAVOCEANO) United States	eServer pSeries 655 (1.7 GHz Power4+) IBM	2944	2004	10.31	20.02
28	NCSA United States	Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet Dell	2500	2003	9.82	15.30
29	IBM - Almaden Research Center United States	eServer Blue Gene Solution IBM	4096	2005	9.36	11.47
30	IBM - Deep Computing Capacity on Demand Center United States	eServer Blue Gene Solution IBM	4096	2005	9.36	11.47
31	IBM Research Switzerland	eServer Blue Gene Solution IBM	4096	2005	9.36	11.47
32	IBM Thomas J. Watson Research Center United States	eServer Blue Gene Solution IBM/ LLNL	4096	2005	9.36	11.47
33	ECMWF United Kingdom	eServer pSeries 690 (1.9 GHz Power4+) IBM	2176	2004	9.24	16.54
34	ECMWF United Kingdom	eServer pSeries 690 (1.9 GHz Power4+) IBM	2176	2004	9.24	16.54
35	UCSD/San Diego Supercomputer Center United States	DataStar - eServer pSeries 655/690 (1.5/1.7 GHz Power4+) IBM	2464	2005	9.12	15.63
36	Australian Partnership for Advanced Computing (APAC) Australia	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	1536	2005	8.97	9.83
37	HWW/Universitaet Stuttgart Germany	SX8/576M72 NEC	576	2005	8.92	9.22
38	Hitachi Ltd. Enterprise Server Division Japan	SR11000-K1/80 Hitachi	80	2005	8.89	10.75
39	Institute of Physical and Chemical Res. (RIKEN) Japan	RIKEN Super Combined Cluster Fujitsu	2048	2004	8.73	12.53
40	Pacific Northwest National Laboratory United States	Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics Hewlett-Packard	1936	2003	8.63	11.62
41	Caltech United States	CITerra - PowerEdge 1850, 3.2 GHz, Myrinet Dell	2048	2005	8.41	13.11
42	Shanghai Supercomputer Center China	Dawning 4000A, Opteron 2.2 GHz, Myrinet Dawning	2560	2004	8.06	11.26
43	Los Alamos National Laboratory United States	Lightning - Opteron 2 GHz, Myrinet Linux Networx	2816	2003	8.05	11.26
44	Pittsburgh Supercomputing Center United States	Cray XT3, 2.4 GHz Cray Inc.	2060	2005	7.94	9.89
45	Lawrence Livermore National Laboratory United States	MCR Linux Cluster Xeon 2.4 GHz - Quadrics Linux Networx/Quadrics	2304	2002	7.63	11.06
46	HPCx United Kingdom	eServer pSeries p5 575 1.5 GHz IBM	1536	2005	7.40	9.22
47	Lawrence Livermore National Laboratory United States	ASCI White, SP Power3 375 MHz IBM	8192	2000	7.30	12.29
48	NERSC/LBNL United States	Seaborg - SP Power3 375 MHz 16 way IBM	6656	2002	7.30	9.98
49	NCSA United States	TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet IBM	1776	2004	7.22	10.26
50	US Army Research Laboratory (ARL) United States	eServer Opteron 2.2 GHz. Myrinet IBM	2320	2004	7.19	10.21
51	University of Sherbrooke Canada	Mp - PowerEdge SC1425 3.6 GHz- Infiniband Dell	1152	2005	6.89	8.29
52	Nagoya University Japan	PRIMEPOWER HPC2500 (2.08 GHz) Fujitsu	1664	2005	6.86	13.84
53	Lawrence Livermore National Laboratory United States	xSeries Cluster Xeon 2.4 GHz - Quadrics IBM/Quadrics	1920	2003	6.59	9.22
54	NERSC/LBNL United States	eServer pSeries p5 575 1.9 GHz IBM	976	2005	6.42	7.42
55	NASA/Goddard Space Flight Center United States	Explore - SGI Altix 3700 Bx2, 1.5 GHz, NUMAlink, Infiniband SGI	1152	2005	6.31	6.91
56	Lawrence Livermore National Laboratory United States	Lilac - xSeries x335 Cluster, Xeon 3.06 GHz, Quadrics IBM	1540	2004	6.23	9.43
57	HPCx United Kingdom	eServer pSeries 690 (1.7 GHz Power4+) IBM	1600	2004	6.19	10.88
58	Grid Technology Research Center, AIST Japan	AIST Super Cluster P-32 - AIST Super Cluster P-32, Opteron 2.0 GHz, Myrinet IBM	2200	2004	6.16	8.80
59	NCSA United States	Tungsten 2 - PowerEdge 1850, 3.6 GHz, Infiniband Dell	1024	2005	6.12	7.37
60	NCSA United States	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	1024	2005	6.12	6.55
61	Wright-Patterson Air Force Base/DoD ASC United States	Cluster Platform 4000 DL145 Opteron 2.6 GHz Infiniband Hewlett-Packard	2048	2005	5.90	10.65
62	Commissariat a l'Energie Atomique (CEA) France	Tera10 beta system - NovaScale 5160, Itanium2 1.6 GHz, Quadrics Bull SA	1008	2005	5.83	6.45
63	Lawrence Livermore National Laboratory United States	eServer pSeries p5 575 1.9 GHz IBM	864	2005	5.74	6.57
64	Seoul National University Korea, South	eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet IBM	968	2005	5.62	8.52
65	Forschungszentrum Juelich (FZJ) Germany	JUMP - eServer pSeries 690 (1.7 GHz Power4+) IBM	1312	2004	5.57	8.92
66	Brigham Young University United States	Marylou4 - PowerEdge 1855, 3.6 GHz, GigEthernet Dell	1260	2005	5.44	9.07
67	University of Oklahoma United States	Topdawg - PowerEdge 1850, 3.2 GHz, Infiniband Dell	1024	2005	5.44	6.55
68	National Aerospace Laboratory of Japan Japan	PRIMEPOWER HPC2500 (1.3 GHz) Fujitsu	2304	2002	5.41	11.98
69	Joint Supercomputer Center Russia	MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet IBM	924	2005	5.36	8.13
70	KTH - Royal Institute of Technology Sweden	Lenngren - PowerEdge 1850, 3.4 GHz, Infiniband Dell	886	2005	5.00	6.03
71	Swiss Scientific Computing Center (CSCS) Switzerland	Cray XT3, 2.6 GHz Cray Inc.	1100	2005	4.78	5.72
72	Adam Opel AG Germany	eServer pSeries p5 575 1.9 GHz IBM	720	2005	4.78	5.47
73	Argonne National Laboratory United States	eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
74	Boston University United States	eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
75	Forschungszentrum Juelich (FZJ) Germany	eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
76	MIT United States	eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
77	NCAR (National Center for Atmospheric Research) United States	eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
78	NIWS Co, Ltd Japan	eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
79	Princeton University United States	Orangena - eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
80	UCSD/San Diego Supercomputer Center United States	Intimidata - eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
81	University of Edinburgh United Kingdom	eServer Blue Gene Solution IBM	2048	2005	4.71	5.73
82	Government Classified United States	Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet Hewlett-Packard	1000	2005	4.62	6.80
83	Government Classified United States	Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet Hewlett-Packard	1000	2005	4.62	6.80
84	Max-Planck-Gesellschaft MPI/IPP Germany	eServer pSeries p5 575 1.9 GHz IBM	688	2005	4.56	5.23
85	University of Illinois United States	Turing - XServe G5 2GHz, Myrinet Self-made	1024	2005	4.56	8.19
86	Kyoto University Japan	PRIMEPOWER HPC2500 (1.56 GHz) Fujitsu	1472	2004	4.55	9.19
87	Pittsburgh Supercomputing Center United States	AlphaServer SC45, 1 GHz Hewlett-Packard	3016	2001	4.46	6.03
88	National Centers for Environmental Prediction United States	eServer pSeries 655 (1.7 GHz Power4+) IBM	1152	2004	4.38	7.83
89	National Centers for Environmental Prediction United States	eServer pSeries 655 (1.7 GHz Power4+) IBM	1152	2004	4.38	7.83
90	UT SimCenter at Chattanooga United States	Slide Rule - PowerEdge 1850/1855 3.2 GHz GigEthernet Dell	1010	2005	4.34	6.46
91	Total SA France	Houat - eServer pSeries p5 575 1.5 GHz, Myrinet IBM	1024	2005	4.31	6.14
92	Caltech/JPL United States	Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet Dell	1024	2004	4.30	6.55
93	Chinese Academy of Science China	DeepComp 6800, Itanium2 1.3 GHz, QsNet lenovo	1024	2003	4.19	5.32
94	NCAR (National Center for Atmospheric Research) United States	pSeries 690 Turbo 1.3 GHz IBM	1600	2003	4.18	8.32
95	Texas Advanced Computing Center/Univ. of Texas United States	lonestar - PowerEdge 1750, Pentium4 Xeon 3.2/3.06 GHz, Myrinet Dell-Cray	1024	2004	4.15	6.34
96	Walt Disney Feature Animation United States	The Hive - Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Verari BladeRack 3.4 GHz, GigEthernet Hewlett-Packard	1110	2005	4.13	6.94
97	DOE/Bettis Atomic Power Laboratory United States	Atipa Cluster, Opteron, Myrinet Atipa Technology	1090	2005	4.04	5.23
98	DOE/Knolls Atomic Power Laboratory United States	Atipa Cluster, Opteron, Myrinet Atipa Technology	1090	2005	4.04	5.23
99	NCAR (National Center for Atmospheric Research) United States	eServer pSeries p5 575 1.9 GHz IBM	608	2005	4.03	4.62
100	Commissariat a l'Energie Atomique (CEA) France	AlphaServer SC45, 1 GHz Hewlett-Packard	2560	2001	3.98	5.12

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TOP500 List - November 2005 (1-100)