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TOP500 List - November 2007

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

R_peak values are calculated using the advertised clock rate of the CPU. For the efficiency of the systems you should take into account the Turbo CPU clock rate where it applies.

Rank	System	Cores	Rmax (TFlop/s)	Rpeak (TFlop/s)	Power (kW)
1	BlueGene/L - eServer Blue Gene Solution, IBM DOE/NNSA/LLNL United States	212,992	478.20	596.38	2,329
2	JUGENE - Blue Gene/P Solution, IBM Forschungszentrum Juelich (FZJ) Germany	65,536	167.30	222.82	504
3	SGI Altix ICE 8200, Xeon quad core 3.0 GHz, HPE SGI/New Mexico Computing Applications Center (NMCAC) United States	14,336	126.90	172.03
4	EKA - Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband, HPE Computational Research Laboratories, TATA SONS India	14,240	117.90	170.88
5	Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband, HPE Government Agency Sweden	13,728	102.80	146.43
6	Red Storm - Sandia/ Cray Red Storm, Opteron 2.4 GHz dual core, Cray/HPE NNSA/Sandia National Laboratories United States	26,569	102.20	127.53
7	Jaguar - Cray XT4/XT3, Cray/HPE DOE/SC/Oak Ridge National Laboratory United States	23,016	101.70	119.35
8	BGW - eServer Blue Gene Solution, IBM IBM Thomas J. Watson Research Center United States	40,960	91.29	114.69	448
9	Franklin - Cray XT4, 2.6 GHz, Cray/HPE DOE/SC/LBNL/NERSC United States	19,320	85.37	100.46	1,150
10	New York Blue - eServer Blue Gene Solution, IBM Stony Brook/BNL, New York Center for Computational Sciences United States	36,864	82.16	103.22	403
11	ASC Purple - eServer pSeries p5 575 1.9 GHz, IBM DOE/NNSA/LLNL United States	12,208	75.76	92.78	1,992
12	eServer Blue Gene Solution, IBM Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations United States	32,768	73.03	91.75	358
13	MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet, IBM Barcelona Supercomputing Center Spain	10,240	63.83	94.21
14	Abe - PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4, DELL EMC NCSA United States	9,600	62.68	89.59
15	HLRB-II - Altix 4700 1.6 GHz, HPE Leibniz Rechenzentrum Germany	9,728	56.52	62.26	990
16	TSUBAME Grid Cluster - Sun Fire x4600 Cluster, Opteron 2.4/2.6 GHz and ClearSpeed Accelerator, Infiniband, NEC/Sun GSIC Center, Tokyo Institute of Technology Japan	11,664	56.43	102.02
17	HECToR - Cray XT4, 2.8 GHz, Cray/HPE University of Edinburgh United Kingdom	11,328	54.65	63.44
18	Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband, DELL EMC NNSA/Sandia National Laboratories United States	9,024	53.00	64.97
19	Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics, EVIDEN Commissariat a l'Energie Atomique (CEA) France	9,968	52.84	63.80
20	Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband, HPE NASA/Ames Research Center/NAS United States	10,160	51.87	60.96
21	Hawk - Altix 4700 1.6 GHz, HPE Air Force Research Laboratory United States	9,216	51.44	58.98
22	Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband, DELL EMC Texas Advanced Computing Center/Univ. of Texas United States	5,848	46.73	62.22
23	Cluster Platform 3000 DL140 Cluster, Xeon 2.33GHz Infiniband, HPE National Supercomputer Centre (NSC) Sweden	6,400	44.46	59.65
24	Blue Gene/P Solution, IBM IBM Rochester United States	16,384	43.16	55.71	126
25	Jaws - PowerEdge 1955, 3.0 GHz, Infiniband, DELL EMC Maui High-Performance Computing Center (MHPCC) United States	5,200	42.39	62.40
26	CEA-CCRT-Platine - Novascale 3045, Itanium2 1.6 GHz, Infiniband, EVIDEN Commissariat a l'Energie Atomique (CEA) France	7,680	42.13	49.15
27	Michael J. Muuss Cluster (MJM) - Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB, Linux Networx US Army Research Laboratory (ARL) United States	4,416	40.61	52.99
28	JUBL - eServer Blue Gene Solution, IBM Forschungszentrum Juelich (FZJ) Germany	16,384	37.33	45.88	179
29	Atlas - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband, Cray/HPE Lawrence Livermore National Laboratory United States	9,216	36.62	44.24
30	Earth-Simulator, NEC Japan Agency for Marine-Earth Science and Technology Japan	5,120	35.86	40.96	3,200
31	Sapphire - Cray XT3, 2.6 GHz dual Core, Cray/HPE ERDC DSRC United States	8,192	35.20	42.60
32	Queen Bee - PowerEdge 1950, 2.33 GHz, Infiniband, DELL EMC Louisiana Optical Network Initiative United States	5,440	34.78	50.77
33	Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband, HPE Joint Supercomputer Center Russia	3,760	33.89	45.12	418
34	SGI Altix ICE 8200, 2.66 GHz, HPE NASA/Ames Research Center/NAS United States	4,096	32.52	43.58
35	Cray XT3, 2.6 GHz dual Core, Cray/HPE AWE United Kingdom	7,812	32.50	40.62
36	Topsail - PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband, DELL EMC University of North Carolina United States	4,160	28.77	38.82
37	Stella - eServer Blue Gene Solution, IBM ASTRON/University Groningen Netherlands	12,288	27.45	34.41	134
38	Minos - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband, Cray/HPE Lawrence Livermore National Laboratory United States	6,912	27.38	33.18
39	CITerra - PowerEdge 1950, 2.33 GHz, Myrinet, DELL EMC Caltech United States	4,096	22.59	37.70
40	Blue Gene/P Solution, IBM DOE/SC/Oak Ridge National Laboratory United States	8,192	21.91	27.85	63
41	Genius - Blue Gene/P Solution, IBM Max-Planck-Gesellschaft MPI/IPP Germany	8,192	21.91	27.85	63
42	Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet, IBM Indiana University United States	3,072	21.79	30.72
43	Firefly - PowerEdge SC1435 Dual core Opteron 2.8 GHz, Infiniband, DELL EMC Holland Computing Center at PKI United States	4,604	21.50	25.78
44	Cluster Platform 6000 rx1620, Itanium2 1.6 GHz, Quadrics, HPE Government Classified United States	4,096	20.45	26.21
45	eServer pSeries p5 575 1.9 GHz, IBM Naval Oceanographic Office - NAVO DSRC United States	3,072	20.07	23.35	501
46	eServer pSeries p5 575 1.9 GHz, IBM IBM Advanced Client Technology Center United States	3,072	20.07	23.35	501
47	Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics, California Digital Corporation Lawrence Livermore National Laboratory United States	4,096	19.94	22.94
48	BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband, IBM CINECA Italy	5,120	19.91	61.44	488
49	xSeries x3550 Cluster Xeon, 3 GHz, Infiniband, IBM National Center for High Performance Computing Taiwan	2,080	19.91	24.96	193
50	SGI Altix ICE 8200, 3.0 GHz, HPE SGI United States	2,048	19.36	24.58
51	BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet, IBM University of Reading United Kingdom	3,040	19.04	27.97
52	Blue Protein - eServer Blue Gene Solution, IBM Computational Biology Research Center, AIST Japan	8,192	18.66	22.94	89
53	Frontier - eServer Blue Gene Solution, IBM EDF R&D France	8,192	18.66	22.94	89
54	eServer Blue Gene Solution, IBM Ecole Polytechnique Federale de Lausanne Switzerland	8,192	18.66	22.94	89
55	KEK/BG Sakura - eServer Blue Gene Solution, IBM High Energy Accelerator Research Organization /KEK Japan	8,192	18.66	22.94	89
56	KEK/BG MOMO - eServer Blue Gene Solution, IBM High Energy Accelerator Research Organization /KEK Japan	8,192	18.66	22.94	89
57	eServer Blue Gene Solution, IBM IBM Rochester, On Demand Deep Computing Center United States	8,192	18.66	22.94	89
58	eServer Blue Gene Solution, IBM Indian Institute of Science India	8,192	18.66	22.94	89
59	BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet, IBM Sinopec ShengLI Oilfield Branch Company, Geophysical Research Institute China	4,096	18.60	38.22	329
60	Darwin - PowerEdge 1950, 3.0 GHz, Infinipath, ClusterVision/Dell University of Cambridge United Kingdom	2,340	18.27	28.08
61	Rhea - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband, Cray/HPE Lawrence Livermore National Laboratory United States	4,608	18.24	22.12
62	Calhoun - SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband, HPE University of Minnesota United States	2,048	17.31	21.79
63	HPC - Opteron, Xeon Cluster, Myrinet, Oracle University of Southern California United States	6,024	17.11	23.68
64	Ice Storm - SGI Altix ICE 8200, 2.66 GHz, HPE Idaho National Laboratory United States	2,048	17.09	21.79
65	BigBen - Cray XT3, 2.6 GHz dual Core, Cray/HPE Pittsburgh Supercomputing Center United States	4,136	17.00	21.51
66	T3 - PowerEdge 1955, 2.66 GHz, Infiniband, DELL EMC NCSA United States	2,048	16.68	21.30
67	eServer pSeries p5 575 1.9 GHz, IBM ECMWF United Kingdom	2,480	16.20	18.85	404
68	eServer pSeries p5 575 1.9 GHz, IBM ECMWF United Kingdom	2,480	16.20	18.85	404
69	MACH5 - Apple XServe, 2.0 GHz, Myrinet, Self-made COLSA United States	3,072	16.18	24.58
70	SR11000-J2, Hitachi University of Tokyo Japan	128	15.81	18.84
71	BCX - eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband, IBM CINECA Italy	10,240	15.76	53.25
72	Cray X1E (4GB), Cray/HPE Korea Meteorological Administration South Korea	1,020	15.71	18.44
73	Bio-X2 - PowerEdge 1950, 2.33 GHz, Infiniband, DELL EMC Stanford University/Biomedical Computational Facility United States	2,208	15.57	20.58
74	eServer pSeries p5 575 1.9 GHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	2,368	15.47	18.00	386
75	eServer pSeries p5 575 1.9 GHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	2,368	15.47	18.00	386
76	xSeries x3455 Cluster Opteron, 2.6 GHz, Infiniband, IBM Ohio Supercomputer Center United States	4,144	15.35	21.55	404
77	Humvee - Evolocity II (LS Supersystem), Linux Networx US Army Research Laboratory (ARL) United States	3,368	15.20	19.66
78	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE IT Services Provider (C) United States	3,080	15.13	28.71
79	PRIMERGY RX200S3, Xeon Dual Core 3.0 GHz, Infiniband, Fujitsu Kyushu University Japan	1,536	15.09	18.43
80	Cray X1E (2GB), Cray/HPE DOE/SC/Oak Ridge National Laboratory United States	1,014	14.96	18.33
81	Altix 4700 1.6 GHz, HPE Japan Marine Science and Technology Japan	2,560	14.59	16.38
82	SGI Altix ICE 8200, 3.0 GHz, HPE Naval Research Laboratory (NRL) United States	1,536	14.52	18.43
83	Stallo - Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet, HPE University of Tromso Norway	5,632	14.47	60.08
84	Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet, HPE Financial Institution United States	2,472	14.47	26.30
85	Cray XT3, 2.6 GHz dual Core, Cray/HPE Swiss Scientific Computing Center (CSCS) Switzerland	3,328	14.22	17.31
86	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet, HPE Semiconductor Company (P) United States	2,400	14.17	25.54
87	Roadrunner 1 - xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband, IBM DOE/NNSA/LANL United States	4,608	14.07	20.28	518
88	Roadrunner 2 - xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband, IBM DOE/NNSA/LANL United States	4,608	14.07	20.28	518
89	Roadrunner 3 - xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband, IBM DOE/NNSA/LANL United States	4,608	14.07	20.28	518
90	BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet, IBM CeSViMa - BSC Spain	2,408	14.00	21.19
91	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE Financial Institution (U) United Kingdom	2,768	13.90	25.80
92	ASCI Q - AlphaServer SC45, 1.25 GHz, HPE Los Alamos National Laboratory United States	8,192	13.88	20.48
93	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet, HPE Semiconductor Company (P) United States	2,324	13.79	24.73
94	Intimidata - eServer Blue Gene Solution, IBM UCSD/San Diego Supercomputer Center United States	6,144	13.78	17.20	67
95	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Semiconductor Company Taiwan	2,000	13.68	24.00
96	LQCD AMD 7N Cluster - KOI Quad Core Opteron 1.9GHz, Infiniband, Koi Computers Jefferson Lab United States	3,040	13.46	23.10
97	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE Financial Institution (D) Germany	2,640	13.38	24.60
98	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE Financial Institution (D) Germany	2,640	13.38	24.60
99	Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet, HPE IT Service Provider (B) United States	2,200	13.16	23.47
100	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE Financial Institution (D) Germany	2,544	12.98	23.71