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TOP500 List - November 2006

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	131,072	280.60	367.00	1,433
2	Red Storm - Sandia/ Cray Red Storm, Opteron 2.4 GHz dual core, Cray/HPE NNSA/Sandia National Laboratories United States	26,544	101.40	127.41
3	BGW - eServer Blue Gene Solution, IBM IBM Thomas J. Watson Research Center United States	40,960	91.29	114.69	448
4	ASC Purple - eServer pSeries p5 575 1.9 GHz, IBM DOE/NNSA/LLNL United States	12,208	75.76	92.78	1,992
5	MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet, IBM Barcelona Supercomputing Center Spain	10,240	62.63	94.21
6	Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband, DELL EMC NNSA/Sandia National Laboratories United States	9,024	53.00	64.97
7	Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics, EVIDEN Commissariat a l'Energie Atomique (CEA) France	9,968	52.84	63.80
8	Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband, HPE NASA/Ames Research Center/NAS United States	10,160	51.87	60.96
9	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	11,088	47.38	82.12
10	Jaguar - Cray XT3, 2.6 GHz dual Core, Cray/HPE DOE/SC/Oak Ridge National Laboratory United States	10,424	43.48	54.20
11	Jaws - PowerEdge 1955, 3.0 GHz, Infiniband, DELL EMC Maui High-Performance Computing Center (MHPCC) United States	5,200	42.39	62.40
12	Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband, DELL EMC Texas Advanced Computing Center/Univ. of Texas United States	5,200	41.46	55.47
13	JUBL - eServer Blue Gene Solution, IBM Forschungszentrum Juelich (FZJ) Germany	16,384	37.33	45.88	179
14	Earth-Simulator, NEC Japan Agency for Marine-Earth Science and Technology Japan	5,120	35.86	40.96	3,200
15	Cray XT3, 2.6 GHz dual Core, Cray/HPE AWE United Kingdom	7,812	32.50	40.62
16	Cray XT4, 2.6 GHz, Cray/HPE Cray Inc. United States	6,696	27.98	34.82
17	Stella - eServer Blue Gene Solution, IBM ASTRON/University Groningen Netherlands	12,288	27.45	34.41	134
18	HLRB-II - Altix 4700 1.6 GHz, HPE Leibniz Rechenzentrum Germany	4,096	24.36	26.21
19	Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics, California Digital Corporation Lawrence Livermore National Laboratory United States	4,096	19.94	22.94
20	Darwin - PowerEdge 1950, 3.0 GHz, Infinipath, ClusterVision/Dell University of Cambridge United Kingdom	2,340	18.27	28.08
21	Blue Protein - eServer Blue Gene Solution, IBM Computational Biology Research Center, AIST Japan	8,192	18.20	22.94	89
22	eServer Blue Gene Solution, IBM Ecole Polytechnique Federale de Lausanne Switzerland	8,192	18.20	22.94	89
23	KEK/BG Sakura - eServer Blue Gene Solution, IBM High Energy Accelerator Research Organization /KEK Japan	8,192	18.20	22.94	89
24	KEK/BG MOMO - eServer Blue Gene Solution, IBM High Energy Accelerator Research Organization /KEK Japan	8,192	18.20	22.94	89
25	eServer Blue Gene Solution, IBM IBM Rochester, On Demand Deep Computing Center United States	8,192	18.20	22.94	89
26	Sapphire - Cray XT3, 2.6 GHz, Cray/HPE ERDC DSRC United States	4,096	16.98	21.30
27	Lincoln - PowerEdge 1955, 2.66 GHz, Infiniband, DELL EMC NCSA United States	2,048	16.50	21.30
28	MACH5 - Apple XServe, 2.0 GHz, Myrinet, Self-made COLSA United States	3,072	16.18	24.58
29	Cray X1E (4GB), Cray/HPE Korea Meteorological Administration South Korea	1,020	15.71	18.44
30	Humvee - Evolocity II (LS Supersystem), Linux Networx US Army Research Laboratory (ARL) United States	3,368	15.20	19.66
31	Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet, IBM Indiana University United States	2,048	15.04	20.48
32	Cray X1E (2GB), Cray/HPE DOE/SC/Oak Ridge National Laboratory United States	1,014	14.96	18.33
33	Altix 4700 1.6 GHz, HPE Japan Marine Science and Technology Japan	2,560	14.59	16.38
34	BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet, IBM CeSViMa - BSC Spain	2,408	14.00	21.19
35	eServer pSeries p5 575 1.9 GHz, IBM Naval Oceanographic Office - NAVO DSRC United States	3,072	13.99	23.35	501
36	eServer pSeries p5 575 1.9 GHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	2,368	13.99	18.00	386
37	eServer pSeries p5 575 1.9 GHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	2,368	13.99	18.00	386
38	eServer pSeries p5 575 1.9 GHz, IBM ECMWF United Kingdom	2,240	13.99	17.02	365
39	eServer pSeries p5 575 1.9 GHz, IBM ECMWF United Kingdom	2,240	13.99	17.02	365
40	ASCI Q - AlphaServer SC45, 1.25 GHz, HPE Los Alamos National Laboratory United States	8,192	13.88	20.48
41	HPC - Pentium4 Xeon, EM64T, Opteron, Opteron dual core, Cluster, Myrinet, Oracle University of Southern California United States	5,328	13.81	21.31
42	Intimidata - eServer Blue Gene Solution, IBM UCSD/San Diego Supercomputer Center United States	6,144	13.78	17.20	67
43	eServer pSeries p5 575 1.5 GHz, IBM HPCx United Kingdom	2,560	12.94	15.36
44	BCX - eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband, IBM CINECA Italy	5,120	12.61	26.62
45	Marylou4 - PowerEdge 1955, 2.66 GHz, GigEthernet, DELL EMC Brigham Young University United States	2,520	12.51	26.81
46	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Geoscience (E) United States	5,000	12.31	22.00	307
47	System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE, Self-made Virginia Tech United States	2,200	12.25	20.24
48	eServer pSeries p5 575 1.9 GHz, IBM Naval Oceanographic Office - NAVO DSRC United States	1,920	11.99	14.59	313
49	Altix 4700 1.6 GHz, HPE Technische Universitaet Dresden Germany	2,048	11.91	13.11
50	Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband, HPE Scientific Supercomputing Center Karlsruhe Germany	3,000	11.86	15.60
51	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink, HPE Air Force Research Laboratory United States	2,048	11.81	13.11
52	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink, HPE Japan Atomic Energy Research Institute Japan	2,048	11.81	13.11
53	BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom), IBM/ LLNL IBM Rochester United States	8,192	11.68	16.38
54	John Von Neumann - LNX Cluster, Xeon 3.6 GHz, Myrinet, Linux Networx US Army Research Laboratory (ARL) United States	2,048	10.65	14.75
55	blueice - eServer pSeries p5 575 1.9 GHz, IBM National Center for Atmospheric Research (NCAR) United States	1,696	10.59	12.89	276
56	PACS-CS - PACS-CS, low voltage Xeon 2.8 GHz, 3D Hyper-Crossbar, Hitachi/Fujitsu Center for Computational Sciences, University of Tsukuba Japan	2,560	10.35	14.34	545
57	eServer pSeries 655 (1.7 GHz Power4+), IBM China Meteorological Administration China	3,200	10.31	21.76
58	eServer pSeries 655 (1.7 GHz Power4+), IBM Naval Oceanographic Office - NAVO DSRC United States	2,944	10.31	20.02
59	Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet, DELL EMC NCSA United States	2,500	9.82	15.30
60	Albert - Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics, DALCO AG Switzerland BMW Sauber F1 Switzerland	1,024	9.60	12.29
61	eServer Blue Gene Solution, IBM EDF R&D France	4,096	9.43	11.47	44
62	eServer Blue Gene Solution, IBM Harvard University United States	4,096	9.43	11.47	44
63	KEK/BG UME - eServer Blue Gene Solution, IBM High Energy Accelerator Research Organization /KEK Japan	4,096	9.43	11.47	44
64	eServer Blue Gene Solution, IBM IBM - Almaden Research Center United States	4,096	9.43	11.47	44
65	eServer Blue Gene Solution, IBM IBM Research Switzerland	4,096	9.43	11.47	44
66	eServer Blue Gene Solution, IBM/ LLNL IBM Thomas J. Watson Research Center United States	4,096	9.43	11.47	44
67	eServer pSeries 690 (1.9 GHz Power4+), IBM ECMWF United Kingdom	2,176	9.24	16.54
68	DataStar - eServer pSeries 655/690 (1.5/1.7 GHz Power4+), IBM UCSD/San Diego Supercomputer Center United States	2,464	9.12	15.63
69	SR11000-K1/80, Hitachi Japan Meteorological Agency Japan	80	9.04	10.75
70	SR11000-K1/80, Hitachi Japan Meteorological Agency Japan	80	9.04	10.75
71	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink, HPE National Computational Infrastructure (NCI Australia) Australia	1,536	8.97	9.83
72	SX8/576M72, NEC HWW/Universitaet Stuttgart Germany	576	8.92	9.22
73	RIKEN Super Combined Cluster, Fujitsu Institute of Physical and Chemical Research (RIKEN) Japan	2,048	8.73	12.53
74	Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics, HPE DOE/SC/Pacific Northwest National Laboratory United States	1,936	8.63	11.62
75	BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband, IBM Eli Lilly and Company United States	1,072	8.56	12.86	102
76	Endeavor - Intel Cluster, Xeon 3.0 GHz dual core, Infiniband, Intel Intel United States	1,024	8.56	12.29
77	BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet, IBM Georgia Institute of Technology United States	3,920	8.51	15.68	220
78	CITerra - PowerEdge 1850, 3.2 GHz, Myrinet, DELL EMC Caltech United States	2,048	8.41	13.11
79	eServer pSeries p5 575 1.9 GHz, IBM NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States	1,328	8.29	10.09	216
80	Cluster Platform 4000 BL465c Opteron Dual Core 2.6 GHz Infiniband, HPE CSC (Center for Scientific Computing) Finland	2,048	8.20	10.65
81	Zeus - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband, Cray/HPE Lawrence Livermore National Laboratory United States	2,304	8.18	11.06
82	Dawning 4000A, Opteron 2.2 GHz, Myrinet, Dawning Shanghai Supercomputer Center China	2,560	8.06	11.26
83	Lightning - Opteron 2 GHz, Myrinet, Linux Networx Los Alamos National Laboratory United States	2,816	8.05	11.26
84	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE CINECA / SCS - SuperComputing Solution Italy	1,024	7.99	12.29
85	BigBen - Cray XT3, 2.4 GHz, Cray/HPE Pittsburgh Supercomputing Center United States	2,060	7.94	9.89
86	Cluster Platform 4000 DL145 Opteron 2.8 GHz Infiniband, HPE Air Force Research Laboratory United States	2,048	7.92	11.47
87	U2 - PowerEdge SC1425 3.2 GHz, Myrinet, DELL EMC University at Buffalo, SUNY, Center for Computational Res. United States	1,536	7.74	9.83
88	MCR Linux Cluster Xeon 2.4 GHz - Quadrics, Linux Networx/Quadrics Lawrence Livermore National Laboratory United States	2,304	7.63	11.06
89	Cluster Platform 3000 DL380 Xeon 51xx 3.0 Ghz, Infiniband, HPE Statoil Norway	1,024	7.50	12.29
90	ASCI White, SP Power3 375 MHz, IBM Lawrence Livermore National Laboratory United States	8,192	7.30	12.29
91	Seaborg - SP Power3 375 MHz 16 way, IBM DOE/SC/LBNL/NERSC United States	6,656	7.30	9.98
92	TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet, IBM NCSA United States	1,776	7.21	10.26
93	eServer Opteron 2.2 GHz. Myrinet, IBM US Army Research Laboratory (ARL) United States	2,320	7.18	10.21
94	Cray XT3, 2.6 GHz, Cray/HPE Swiss Scientific Computing Center (CSCS) Switzerland	1,664	7.18	8.65
95	Kaon - Opteron 2.0 GHz, Infiniband, Self-made Fermi National Accelerator Laboratory United States	2,400	6.89	9.60
96	Mp - PowerEdge SC1425 3.6 GHz- Infiniband, DELL EMC University of Sherbrooke Canada	1,152	6.89	8.29
97	PRIMEPOWER HPC2500 (2.08 GHz), Fujitsu Nagoya University Japan	1,664	6.86	13.84
98	Coyote A - Opteron 2.6 GHz, Infiniband, Linux Networx Los Alamos National Laboratory United States	1,620	6.68	8.42
99	MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet, IBM Joint Supercomputer Center Russia	1,148	6.65	10.10
100	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Merck and Company United States	2,688	6.62	11.83	165