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Top500 List - June 2008

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/LANL United States	Roadrunner - BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Voltaire Infiniband IBM	122400	1026.0	1375.8	2345
2	DOE/NNSA/LLNL United States	BlueGene/L - eServer Blue Gene Solution IBM	212992	478.2	596.4	2329
3	National Institute for Computational Sciences/University of Tennessee United States	Kraken XT5 - Cray XT5 QC 2.3 GHz Cray Inc.	66000	463.3	607.2
4	DOE/SC/Argonne National Laboratory United States	Intrepid - Blue Gene/P Solution IBM	163840	450.3	557.1	1260
5	Texas Advanced Computing Center/Univ. of Texas United States	Ranger - SunBlade x6420, Opteron Quad 2Ghz, Infiniband Oracle	62976	326.0	503.8	2000
6	DOE/SC/Oak Ridge National Laboratory United States	Jaguar - Cray XT4 QuadCore 2.1 GHz Cray Inc.	30976	205.0	260.2	1580
7	Forschungszentrum Juelich (FZJ) Germany	JUGENE - Blue Gene/P Solution IBM	65536	180.0	222.8	504
8	New Mexico Computing Applications Center (NMCAC) United States	Encanto - SGI Altix ICE 8200, Xeon quad core 3.0 GHz SGI	14336	133.2	172.0	861
9	Computational Research Laboratories, TATA SONS India	EKA - Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband Hewlett-Packard	14384	132.8	172.6	786
10	IDRIS France	Blue Gene/P Solution IBM	40960	112.5	139.3	315
11	Total Exploration Production France	SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz SGI	10240	106.1	122.9	442
12	Government Agency Sweden	Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband Hewlett-Packard	13728	102.8	146.4
13	NNSA/Sandia National Laboratories United States	Red Storm - Sandia/ Cray Red Storm, Opteron 2.4 GHz dual core Cray Inc.	26569	102.2	127.5
14	EDF R&D France	Frontier2 BG/L - Blue Gene/P Solution IBM	32768	93.0	111.4	252
15	IBM Thomas J. Watson Research Center United States	BGW - eServer Blue Gene Solution IBM	40960	91.3	114.7	448
16	DOE/SC/LBNL/NERSC United States	Franklin - Cray XT4, 2.6 GHz Cray Inc.	19320	85.4	100.5	1150
17	Information Technology Center, The University of Tokyo Japan	T2K Open Supercomputer (Todai Combined Cluster) - Hitachi Cluster Opteron QC 2.3 GHz, Myrinet 10G Hitachi	12288	83.0	113.0	638
18	Stony Brook/BNL, New York Center for Computational Sciences United States	New York Blue - eServer Blue Gene Solution IBM	36864	82.2	103.2	403
19	ECMWF United Kingdom	Power 575, p6 4.7 GHz, Infiniband IBM	8320	80.3	156.4	1329
20	Max-Planck-Gesellschaft MPI/IPP Germany	VIP - Power 575, p6 4.7 GHz, Infiniband IBM	6720	80.3	126.3	1073
21	Center for Computational Sciences, University of Tsukuba Japan	T2K Open Supercomputer - Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband Appro International	10000	76.5	92.0	671
22	DOE/NNSA/LLNL United States	ASC Purple - eServer pSeries p5 575 1.9 GHz IBM	12208	75.8	92.8	1992
23	Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations United States	eServer Blue Gene Solution IBM	32768	73.0	91.8	358
24	NCSA United States	Abe - PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4 Dell	9600	68.5	89.6
25	GSIC Center, Tokyo Institute of Technology Japan	TSUBAME Grid Cluster with CompView TSUBASA - Sun Fire x4600/x6250 Cluster, Opteron 2.4/2.6 GHz and ClearSpeed Accelerator, Xeon E5440 2.833 GHz, Infiniband NEC/Sun	12344	67.7	109.7
26	NASA/Ames Research Center/NAS United States	Columbia - SGI Altix 1.5/1.6/1.66 GHz, Voltaire Infiniband SGI	13824	66.6	82.9
27	Barcelona Supercomputing Center Spain	MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet IBM	10240	63.8	94.2
28	Leibniz Rechenzentrum Germany	HLRB-II - Altix 4700 1.6 GHz SGI	9728	56.5	62.3	990
29	ERDC DSRC United States	Jade - Cray XT4 QuadCore 2.1 GHz Cray Inc.	8464	56.2	71.1	418
30	University of Edinburgh United Kingdom	HECToR - Cray XT4, 2.8 GHz Cray Inc.	11328	54.6	63.4
31	NCAR (National Center for Atmospheric Research) United States	bluefire - Power 575, p6 4.7 GHz, Infiniband IBM	4064	54.1	76.4	649
32	NNSA/Sandia National Laboratories United States	Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband Dell	9024	53.0	65.0
33	Commissariat a l'Energie Atomique (CEA) France	Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics Bull SA	9968	52.8	63.8
34	Air Force Research Laboratory - ARFL DSRC United States	Hawk - Altix 4700 1.6 GHz SGI	9216	51.4	59.0
35	Kyoto University Japan	T2K Open Supercomputer/Kyodai - Fujitsu Cluster HX600, Opteron Quad Core, 2.3 GHz, Infiniband Fujitsu	6656	50.5	61.2
36	IBM/ECMWF United States	Power 575, p6 4.7 GHz, Infiniband IBM	3520	48.0	66.2	562
37	Moscow State University - Research Computing Center Russia	SKIF MSU - T-Platforms T60, Intel Quadcore 3Ghz, Infiniband DDR SKIF/T-Platforms	5000	47.2	60.0	265
38	IBM - Rochester United States	Blue Gene/P Solution IBM	16384	46.8	55.7	126
39	Texas Advanced Computing Center/Univ. of Texas United States	Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband Dell	5848	46.7	62.2
40	HPC2N - Umea University Sweden	Akka - BladeCenter HS21 Cluster, Xeon QC HT 2.5 GHz, IB, Windows HPC 2008/CentOS IBM	5376	46.0	53.8	173
41	National Supercomputer Centre (NSC) Sweden	Cluster Platform 3000 DL140 Cluster, Xeon 2.33GHz Infiniband Hewlett-Packard	6400	44.5	59.6
42	Maui High-Performance Computing Center (MHPCC) United States	Jaws - PowerEdge 1955, 3.0 GHz, Infiniband Dell	5200	42.4	62.4
43	Commissariat a l'Energie Atomique (CEA) France	CEA-CCRT-Platine - Novascale 3045, Itanium2 1.6 GHz, Infiniband Bull SA	7680	42.1	49.2
44	US Army Research Laboratory (ARL) United States	Michael J. Muuss Cluster (MJM) - Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB Linux Networx	4416	40.6	53.0
45	R-Systems United States	R Smarr - Dell DCS CS23-SH, QC HT 2.8 GHz, Infiniband Dell	4608	39.6	51.6
46	Gdansk University of Technology, CI Task Poland	Galera - ACTION Cluster Xeon E5345 Infiniband ACTION	5336	38.2	49.7
47	Forschungszentrum Juelich (FZJ) Germany	JUBL - eServer Blue Gene Solution IBM	16384	37.3	45.9	179
48	University of Bergen Norway	Cray XT4 QuadCore 2.3 GHz Cray Inc.	5548	36.9	51.0
49	Lawrence Livermore National Laboratory United States	Atlas - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband Appro International	9216	36.6	44.2
50	Japan Agency for Marine -Earth Science and Technology Japan	Earth-Simulator NEC	5120	35.9	41.0	3200
51	ERDC DSRC United States	Sapphire - Cray XT3, 2.6 GHz dual Core Cray Inc.	8192	35.2	42.6
52	ASTRON/University Groningen Netherlands	Blue Gene/P Solution IBM	12288	35.1	41.8	94
53	Max-Planck-Gesellschaft MPI/IPP Germany	Genius - Blue Gene/P Solution IBM	12288	35.1	41.8	94
54	Turboinstitute Slovenia	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, Infiniband IBM	4096	35.1	49.2	162
55	Louisiana Optical Network Initiative United States	Queen Bee - PowerEdge 1950, 2.33 GHz, Infiniband Dell	5440	34.8	50.8
56	Atomic Weapons Establishment United Kingdom	Cray XT3, 2.6 GHz dual Core Cray Inc.	7812	33.9	40.6
57	Joint Supercomputer Center Russia	Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband Hewlett-Packard	3760	33.9	45.1	418
58	National Institute for Computational Sciences/University of Tennessee United States	Kraken - Cray XT3, 2.6 GHz dual Core Cray Inc.	7482	32.8	38.9
59	Max-Planck-Gesellschaft MPI/Albert-Einstein-Institut Germany	ATLAS - Pyramid Cluster Xeon QC 32xx 2.4 GHz, GigEthernet Pyramid Computer	5420	32.8	52.0	201
60	NASA/Ames Research Center/NAS United States	SGI Altix ICE 8200, 2.66 GHz SGI	4096	32.5	43.6
61	Harvard University - FAS Research Computing United States	Odyssey - PowerEdge M600 Cluster, Xeon E5410 2.3Ghz, Infiniband Dell	4096	32.4	38.2
62	University of Tromso Norway	Stallo - Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet Hewlett-Packard	5632	31.9	59.9
63	Clemson University United States	Palmetto - PowerEdge 1950, Quad Core 2.33 GHz, Myrinet 10G Dell	4096	31.1	38.2
64	University of Southern California United States	HPC - PowerEdge 1950, Quad Core 3.2 GHz, Myrinet 10G Dell	4096	31.0	52.4
65	Logistic Services (E) United States	Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard	4584	29.4	55.0	510
66	HWW/Universitaet Stuttgart Germany	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband IBM	3424	29.3	38.8	134
67	University of Bristol United Kingdom	BlueCrystal - xSeries x3450 Cluster Xeon quad core, 2.8 GHz, Infiniband ClusterVision/IBM	3360	28.8	37.6	135
68	University of North Carolina United States	Topsail - PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband Dell	4160	28.8	38.8
69	ASTRON/University Groningen Netherlands	Stella - eServer Blue Gene Solution IBM	12288	27.4	34.4	134
70	Lawrence Livermore National Laboratory United States	Minos - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband Appro International	6912	27.4	33.2
71	CSC (Center for Scientific Computing) Finland	Cray XT4 QuadCore 2.3 GHz Cray Inc.	4032	26.8	37.1
72	HLRN at Universitaet Hannover / RRZN Germany	SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz SGI	2560	26.7	30.7	129
73	HLRN at ZIB/Konrad Zuse-Zentrum fuer Informationstechnik Germany	SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz SGI	2560	26.7	30.7	129
74	SARA (Stichting Academisch Rekencentrum) Netherlands	Power 575, p6 4.7 GHz, Infiniband IBM	1536	23.5	28.9	245
75	DOE/SC/Oak Ridge National Laboratory United States	Blue Gene/P Solution IBM	8192	23.4	27.9	63
76	Stony Brook/BNL, New York Center for Computational Sciences United States	New York Blue - Blue Gene/P Solution IBM	8192	23.4	27.9	63
77	National Astronomical Observatory of Japan Japan	Cray XT4 QuadCore 2.2 GHz Cray Inc.	3248	22.7	28.6	160
78	Caltech United States	CITerra - PowerEdge 1950, 2.33 GHz, Myrinet Dell	4096	22.6	37.7
79	Intel United States	Endeavor - Intel Cluster, Xeon E54xx, 2.8 GHz, Infiniband Intel	2296	21.8	25.7
80	Indiana University United States	Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet IBM	3072	21.8	30.7
81	Holland Computing Center at PKI United States	Firefly - PowerEdge SC1435 Dual core Opteron 2.8 GHz, Infiniband Dell	4604	21.5	25.8
82	Audi AG Germany	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband DDR Hewlett-Packard	2432	21.0	29.2
83	Government Classified United States	Cluster Platform 6000 rx1620, Itanium2 1.6 GHz, Quadrics Hewlett-Packard	4096	20.4	26.2
84	IBM Advanced Client Technology Center United States	eServer pSeries p5 575 1.9 GHz IBM	3072	20.1	23.3	501
85	Naval Oceanographic Office - NAVO DSRC United States	eServer pSeries p5 575 1.9 GHz IBM	3072	20.1	23.3	501
86	University of Reading United Kingdom	BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet IBM	2800	20.1	28.0
87	NOAA R&D/ National Centers for Environmental Prediction United States	Power 575, p6 4.7 GHz, Infiniband IBM	1312	20.0	24.7	209
88	Cray Inc. United States	Cray XT5 QC 2.3 GHz Cray Inc.	2848	20.0	26.2
89	Cardiff University - ARCCA United Kingdom	Merlin - Novascale R422 Cluster, Xeon E5472, 3.00 GHz, Infiniband Bull SA	2048	20.0	24.6
90	Lawrence Livermore National Laboratory United States	Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics California Digital Corporation	4096	19.9	22.9
91	CINECA Italy	BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband IBM	5120	19.9	61.4	488
92	National Center for High Performance Computing Taiwan	xSeries x3550 Cluster Xeon, 3 GHz, Infiniband IBM	2080	19.9	25.0	193
93	Energy Company (G) United States	Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard	3072	19.8	36.9	342
94	Energy Company (G) United States	Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard	3072	19.8	36.9	342
95	Energy Company (G) United States	Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard	3072	19.8	36.9	342
96	Energy Company (G) United States	Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard	3072	19.8	36.9	342
97	CERN Switzerland	NOW Cluster - Intel Xeon 53xx, 2.33 GHz, GigEthernet Self-made	3760	19.7	35.0
98	SGI United States	SGI Altix ICE 8200, 3.0 GHz SGI	2048	19.4	24.6
99	Universitt Ulm/ Universitt Konstanz Germany	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband IBM	2240	19.2	25.4	88
100	University College London (UCL) United Kingdom	PowerEdge 1950, Xeon 51xx 3.06 GHz, Infinipath ClusterVision/Dell	1992	18.9	24.4	330