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Top500 List - June 2005

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

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	65536	136.8	183.5	716
2	IBM Thomas J. Watson Research Center United States	BGW - eServer Blue Gene Solution IBM	40960	91.3	114.7	448
3	NASA/Ames Research Center/NAS United States	Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband SGI	10160	51.9	61.0
4	Japan Agency for Marine -Earth Science and Technology Japan	Earth-Simulator NEC	5120	35.9	41.0	3200
5	Barcelona Supercomputing Center Spain	MareNostrum - JS20 Cluster, PPC 970, 2.2 GHz, Myrinet IBM	4800	27.9	42.1
6	ASTRON/University Groningen Netherlands	Stella - eServer Blue Gene Solution IBM	12288	27.4	34.4	134
7	Lawrence Livermore National Laboratory United States	Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics California Digital Corporation	4096	19.9	22.9
8	Computational Biology Research Center, AIST Japan	Blue Protein - eServer Blue Gene Solution IBM	8192	18.2	22.9	89
9	Ecole Polytechnique Federale de Lausanne Switzerland	eServer Blue Gene Solution IBM	8192	18.2	22.9	89
10	Sandia National Laboratories United States	Red Storm, Cray XT3, 2.0 GHz Cray Inc.	5000	15.2	20.0
11	DOE/SC/Oak Ridge National Laboratory United States	Cray XT3, 2.4 GHz Cray Inc.	3748	14.2	18.0
12	Los Alamos National Laboratory United States	ASCI Q - AlphaServer SC45, 1.25 GHz Hewlett-Packard	8192	13.9	20.5
13	Lawrence Livermore National Laboratory United States	eServer pSeries p5 575 1.9 GHz IBM	2048	13.1	15.6	334
14	Virginia Tech United States	System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE Self-made	2200	12.2	20.2
15	Air Force Research Laboratory - ARFL DSRC United States	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	2048	11.8	13.1
16	Japan Atomic Energy Research Institute Japan	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	2048	11.8	13.1
17	IBM - Rochester United States	BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom) IBM/ LLNL	8192	11.7	16.4
18	China Meteorological Administration China	eServer pSeries 655 (1.7 GHz Power4+) IBM	3200	10.3	21.8
19	Naval Oceanographic Office - NAVO DSRC United States	eServer pSeries 655 (1.7 GHz Power4+) IBM	2944	10.3	20.0
20	NCSA United States	Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet Dell	2500	9.8	15.3
21	IBM - Almaden Research Center United States	eServer Blue Gene Solution IBM	4096	9.4	11.5	44
22	IBM - Deep Computing Capacity on Demand Center United States	eServer Blue Gene Solution IBM	4096	9.4	11.5	44
23	IBM Thomas J. Watson Research Center United States	eServer Blue Gene Solution IBM/ LLNL	4096	9.4	11.5	44
24	ECMWF United Kingdom	eServer pSeries 690 (1.9 GHz Power4+) IBM	2176	9.2	16.5
25	ECMWF United Kingdom	eServer pSeries 690 (1.9 GHz Power4+) IBM	2176	9.2	16.5
26	National Computational Infrastructure National Facility (NCI-NF) Australia	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	1536	9.0	9.8
27	HWW/Universitaet Stuttgart Germany	SX8/576M72 NEC	576	8.9	9.2
28	US Army Research Laboratory (ARL) United States	John Von Neumann - LNX Cluster, Xeon 3.4 GHz, Myrinet Linux Networx	2048	8.8	13.9
29	Institute of Physical and Chemical Res. (RIKEN) Japan	RIKEN Super Combined Cluster Fujitsu	2048	8.7	12.5
30	DOE/SC/Pacific Northwest National Laboratory United States	Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics Hewlett-Packard	1936	8.6	11.6
31	Shanghai Supercomputer Center China	Dawning 4000A, Opteron 2.2 GHz, Myrinet Dawning	2560	8.1	11.3
32	Los Alamos National Laboratory United States	Lightning - Opteron 2 GHz, Myrinet Linux Networx	2816	8.1	11.3
33	Pittsburgh Supercomputing Center United States	BigBen - Cray XT3, 2.4 GHz Cray Inc.	2060	7.9	9.9
34	Lawrence Livermore National Laboratory United States	MCR Linux Cluster Xeon 2.4 GHz - Quadrics Linux Networx/Quadrics	2304	7.6	11.1
35	DOE/SC/LBNL/NERSC United States	Seaborg - SP Power3 375 MHz 16 way IBM	6656	7.3	10.0
36	Lawrence Livermore National Laboratory United States	ASCI White, SP Power3 375 MHz IBM	8192	7.3	12.3
37	University of Southern California United States	HPC - Sun Fire V60, IBM xServer,2.8-3.2 GHz, Myrinet IBM, Sun, Myricom	2640	7.3	14.8
38	NCSA United States	TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet IBM	1776	7.2	10.3
39	US Army Research Laboratory (ARL) United States	eServer Opteron 2.2 GHz. Myrinet IBM	2320	7.2	10.2
40	University of Sherbrooke Canada	Mp - PowerEdge SC1425 3.6 GHz- Infiniband Dell	1152	6.9	8.3
41	Nagoya University Japan	PRIMEPOWER HPC2500 (2.08 GHz) Fujitsu	1664	6.9	13.8
42	Lawrence Livermore National Laboratory United States	xSeries Cluster Xeon 2.4 GHz - Quadrics IBM/Quadrics	1920	6.6	9.2
43	UCSD/San Diego Supercomputer Center United States	DataStar - eServer pSeries 655/690 (1.5/1.7 Ghz Power4+) IBM	1696	6.4	10.4
44	Lawrence Livermore National Laboratory United States	Lilac - xSeries x335 Cluster, Xeon 3.06 GHz, Quadrics IBM	1540	6.2	9.4
45	HPCx United Kingdom	eServer pSeries 690 (1.7 GHz Power4+) IBM	1600	6.2	10.9
46	Grid Technology Research Center, AIST Japan	AIST Super Cluster P-32 - AIST Super Cluster P-32, Opteron 2.0 GHz, Myrinet IBM	2200	6.2	8.8
47	NCSA United States	Tungsten 2 - PowerEdge 1850, 3.6 GHz, Infiniband Dell	1024	6.1	7.4
48	NCSA United States	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI	1024	6.0	6.6
49	Lawrence Livermore National Laboratory United States	eServer pSeries p5 575 1.9 GHz IBM	896	5.9	6.8	146
50	DOE/SC/Oak Ridge National Laboratory United States	Cray X1 Cray Inc.	504	5.9	6.5
51	Seoul National University Korea, South	eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet IBM	968	5.6	8.5
52	Forschungszentrum Juelich (FZJ) Germany	JUMP - eServer pSeries 690 (1.7 GHz Power4+) IBM	1312	5.6	8.9
53	Brigham Young University United States	Marylou4 - PowerEdge 1855, 3.6 GHz, GigEthernet Dell	1260	5.4	9.1
54	University of Oklahoma United States	Topdawg - PowerEdge 1850, 3.2 GHz, Infiniband Dell	1024	5.4	6.6
55	National Aerospace Laboratory of Japan Japan	PRIMEPOWER HPC2500 (1.3 GHz) Fujitsu	2304	5.4	12.0
56	Joint Supercomputer Center Russia	MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet IBM	924	5.4	8.1
57	Swiss Scientific Computing Center (CSCS) Switzerland	Cray XT3, 2.6 GHz Cray Inc.	1100	4.8	5.7
58	Boston University United States	eServer Blue Gene Solution IBM	2048	4.7	5.7	22
59	DOE/SC/Argonne National Laboratory United States	eServer Blue Gene Solution IBM	2048	4.7	5.7	22
60	Forschungszentrum Juelich (FZJ) Germany	eServer Blue Gene Solution IBM	2048	4.7	5.7	22
61	NCAR (National Center for Atmospheric Research) United States	eServer Blue Gene Solution IBM	2048	4.7	5.7	22
62	NIWS Co, Ltd Japan	eServer Blue Gene Solution IBM	2048	4.7	5.7	22
63	UCSD/San Diego Supercomputer Center United States	Intimidata - eServer Blue Gene Solution IBM	2048	4.7	5.7	22
64	University of Edinburgh United Kingdom	eServer Blue Gene Solution IBM	2048	4.7	5.7	22
65	KTH - Royal Institute of Technology Sweden	Lenngren - PowerEdge 1850, 3.2 GHz, Infiniband Dell	886	4.7	5.7
66	University of Illinois United States	Turing - XServe G5 2GHz, Myrinet Self-made	1024	4.6	8.2
67	Kyoto University Japan	PRIMEPOWER HPC2500 (1.56 GHz) Fujitsu	1472	4.6	9.2
68	Pittsburgh Supercomputing Center United States	AlphaServer SC45, 1 GHz Hewlett-Packard	3016	4.5	6.0
69	NOAA R&D/ National Centers for Environmental Prediction United States	eServer pSeries 655 (1.7 GHz Power4+) IBM	1152	4.4	7.8
70	NOAA R&D/ National Centers for Environmental Prediction United States	eServer pSeries 655 (1.7 GHz Power4+) IBM	1152	4.4	7.8
71	Caltech/JPL United States	Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet Dell	1024	4.3	6.6
72	Computer Network Information Center, Chinese Academy of Science China	DeepComp 6800, Itanium2 1.3 GHz, QsNet lenovo	1024	4.2	5.3
73	NCAR (National Center for Atmospheric Research) United States	pSeries 690 Turbo 1.3 GHz IBM	1600	4.2	8.3
74	Texas Advanced Computing Center/Univ. of Texas United States	lonestar - PowerEdge 1750, Pentium4 Xeon 3.2/3.06 GHz, Myrinet Dell-Cray	1024	4.2	6.3
75	DOE/Bettis Atomic Power Laboratory United States	Atipa Cluster, Opteron, Myrinet Atipa Technology	1090	4.0	5.2
76	DOE/Knolls Atomic Power Laboratory United States	Atipa Cluster, Opteron, Myrinet Atipa Technology	1090	4.0	5.2
77	Commissariat a l'Energie Atomique (CEA) France	AlphaServer SC45, 1 GHz Hewlett-Packard	2560	4.0	5.1
78	Lawrence Livermore National Laboratory United States	eServer pSeries 655 (1.5 GHz Power4+) IBM	1024	3.8	6.1
79	Lawrence Livermore National Laboratory United States	eServer pSeries 655 (1.5 GHz Power4+) IBM	1024	3.8	6.1
80	Korea Meteorological Administration Korea, South	Cray X1E Cray Inc.	252	3.8	4.6
81	US Army HPC Research Center at NCS United States	Cray X1E Cray Inc.	252	3.8	4.6
82	Digital Content Provider Australia	BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM	1148	3.8	7.0
83	Bank (H) Germany	BladeCenter Xeon 3.06 GHz, Gig-Ethernet IBM	1064	3.8	6.5
84	Bank (L) United Kingdom	BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM	3200	3.8	19.6
85	ConocoPhillips United States	BladeCenter Xeon 3.06 GHz, Gig-Ethernet IBM	1056	3.8	6.5
86	Credit Suisse/First Boston United Kingdom	BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM	1500	3.8	9.2
87	Financial Services (H) United States	BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM	1024	3.8	6.6	167
88	Geoscience (B) India	BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet IBM	1024	3.8	7.0	167
89	Geoscience (C) United Kingdom	xSeries Xeon 3.06 GHz - Gig-E IBM	1128	3.8	6.9
90	Geoscience (C) United Kingdom	xSeries Xeon 3.06 GHz - Gig-E IBM	1128	3.8	6.9
91	IBM - Deep Computing Capacity on Demand Center United States	xSeries Xeon 3.06 GHz - Gig-E IBM	1000	3.8	6.1
92	Petroleum Company (C) Brazil	xSeries Cluster Xeon 3.06 GHz - Gig-E IBM	1024	3.8	6.3
93	PGS United States	xSeries Cluster Xeon 3.06 GHz - Gig-E IBM	1024	3.8	6.3
94	Saudi Aramco Saudi Arabia	BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM	1536	3.8	9.8	251
95	Semiconductor Company (D) Israel	xSeries Xeon 3.06 GHz - Gig-E IBM	1120	3.8	6.9
96	Telco Canada	BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM	1036	3.8	6.6	169
97	Westgrid Canada	glacier - BladeCenter Xeon 3.06 GHz, Gig-Ethernet IBM	1680	3.8	10.3
98	WETA Digital New Zealand	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM	1000	3.8	7.2	163
99	PETROBRAS Brazil	bwr1 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet Hewlett-Packard	1300	3.7	8.0
100	Naval Oceanographic Office - NAVO DSRC United States	pSeries 690 Turbo 1.3 GHz IBM	1408	3.7	7.3