Rank

Site
Country/Year

Computer / Processors
Manufacturer

Computer Family
Model

Inst. type
Installation Area

R_max
R_peak

N_max
n_half

1

IBM/DOE
United States/2004

BlueGene/L beta-System
BlueGene/L DD2 beta-System (0.7 GHz PowerPC 440) / 32768
IBM

IBM BlueGene/L
BlueGene/L

Research

70720
91750

933887

2

NASA/Ames Research Center/NAS
United States/2004

Columbia
SGI Altix 1.5 GHz, Voltaire Infiniband / 10160
SGI

SGI Altix
SGI Altix 1.5 GHz

Research

51870
60960

1.29024e+06

3

The Earth Simulator Center
Japan/2002

Earth-Simulator / 5120
NEC

NEC Vector
SX6

Research

35860
40960

1.0752e+06
266240

4

Barcelona Supercomputer Center
Spain/2004

MareNostrum
eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet / 3564
IBM

IBM Cluster
JS20 CLuster, Myrinet

Academic

20530
31363

812592

5

Lawrence Livermore National Laboratory
United States/2004

Thunder
Intel Itanium2 Tiger4 1.4GHz - Quadrics / 4096
California Digital Corporation

NOW - Intel Itanium
Itanium2 Tiger4 Cluster - Quadrics

Research

19940
22938

975000
110000

6

Los Alamos National Laboratory
United States/2002

ASCI Q
ASCI Q - AlphaServer SC45, 1.25 GHz / 8192
HP

HP AlphaServer
SC Alpha-Server-Cluster

Research

13880
20480

633000
225000

7

Virginia Tech
United States/2004

System X
1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE / 2200
Self-made

NOW - PowerPC
XServe Cluster

Academic

12250
20240

620000

8

IBM - Rochester
United States/2004

BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom) / 8192
IBM/ LLNL

IBM BlueGene/L
BlueGene/L

Vendor

11680
16384

331775

9

Naval Oceanographic Office (NAVOCEANO)
United States/2004

eServer pSeries 655 (1.7 GHz Power4+) / 2944
IBM

IBM SP
SP Power4+, Federation

Research

10310
20019.2

10

NCSA
United States/2003

Tungsten
PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet / 2500
Dell

Dell Cluster
PowerEdge 1750, Myrinet

Academic

9819
15300

630000

11

ECMWF
United Kingdom/2004

eServer pSeries 690 (1.9 GHz Power4+) / 2176
IBM

IBM SP
SP Power4+, Federation

Research
Weather and Climate Research

9241
16538

370000

12

ECMWF
United Kingdom/2004

eServer pSeries 690 (1.9 GHz Power4+) / 2176
IBM

IBM SP
SP Power4+, Federation

Research
Weather and Climate Research

9241
16538

370000

13

US Army Research Laboratory (ARL)
United States/2004

John Von Neumann
LNX Cluster, Xeon 3.4 GHz, Myrinet / 2048
Linux Networx

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Myrinet

Research

8770
13926

630000
217440

14

Institute of Physical and Chemical Res. (RIKEN)
Japan/2004

RIKEN Super Combined Cluster / 2048
Fujitsu

Fujitsu Cluster
Fujitsu Cluster

Research

8728
12534

474200
120000

15

IBM - Thomas Watson Research Center
United States/2004

BlueGene/L DD2 Prototype (0.7 GHz PowerPC 440) / 4096
IBM/ LLNL

IBM BlueGene/L
BlueGene/L

Research

8655
11469

294911

16

Pacific Northwest National Laboratory
United States/2003

Mpp2
Integrity rx2600 Itanium2 1.5 GHz, Quadrics / 1936
HP

HP Cluster
Integrity rx2600 Itanium2 Cluster

Research

8633
11616

835000
140000

17

Shanghai Supercomputer Center
China/2004

Dawning 4000A, Opteron 2.2 GHz, Myrinet / 2560
Dawning

NOW - AMD
NOW Cluster - AMD - Myrinet

Research

8061
11264

728400
180000

18

Los Alamos National Laboratory
United States/2003

Lightning
Opteron 2 GHz, Myrinet / 2816
Linux Networx

NOW - AMD
NOW Cluster - AMD - Myrinet

Research

8051
11264

761160
109208

19

Lawrence Livermore National Laboratory
United States/2002

MCR Linux Cluster Xeon 2.4 GHz - Quadrics / 2304
Linux Networx/Quadrics

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Quadrics

Research

7634
11060

350000
75000

20

Lawrence Livermore National Laboratory
United States/2000

ASCI White, SP Power3 375 MHz / 8192
IBM

IBM SP
SP Power3 375 MHz high node

Research

7304
12288

640000

21

NERSC/LBNL
United States/2002

Seaborg
SP Power3 375 MHz 16 way / 6656
IBM

IBM SP
SP Power3 375 MHz high node

Research

7304
9984

640000

22

NCSA
United States/2004

TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet / 1776
IBM

NOW - Intel Itanium
Titan Cluster Itanium2 - Myrinet

Academic

7215
10259

540000

23

US Army Research Laboratory (ARL)
United States/2004

eServer Opteron 2.2 GHz. Myrinet / 2320
IBM

IBM Cluster
eServer Cluster Opteron - Myrinet

Research

7185
10208

600000

24

Lawrence Livermore National Laboratory
United States/2003

xSeries Cluster Xeon 2.4 GHz - Quadrics / 1920
IBM/Quadrics

IBM Cluster
xSeries Cluster Xeon - Quadrics

Research

6586
9216

425000
90000

25

UCSD/San Diego Supercomputer Center
United States/2004

DataStar
eServer pSeries 655/690 (1.5/1.7 Ghz Power4+) / 1696
IBM

IBM SP
SP Power4+, Federation

Academic

6385
10406

504000
51000

26

Lawrence Livermore National Laboratory
United States/2004

Lilac
xSeries Xeon 3.06 GHz, Quadrics / 1540
IBM

IBM Cluster
xSeries Cluster Xeon - Quadrics

Research

6232
9425

27

HPCx
United Kingdom/2004

eServer pSeries 690 (1.7 GHz Power4+) / 1600
IBM

IBM SP
SP Power4+, Federation

Academic

6188
10880

355000

28

Grid Technology Research Center, AIST
Japan/2004

AIST Super Cluster P-32
AIST Super Cluster P-32, Opteron 2.0 GHz, Myrinet / 2200
IBM

IBM Cluster
eServer Cluster Opteron - Myrinet

Research

6155
8800

29

Oak Ridge National Laboratory
United States/2004

Cray X1 / 504
Cray Inc.

Cray X1
Cray X1

Research

5895
6451

494592
53760

30

Forschungszentrum Juelich (FZJ)
Germany/2004

eServer pSeries 690 (1.7 GHz Power4+) / 1312
IBM

IBM SP
SP Power4+, Federation

Research

5568
8921

660000
60000

31

University of Southern California
United States/2004

HPC
Sun Fire V60, IBM xServer,2.0-3.0 GHz, Myrinet / 1920
IBM, Sun, Myricom

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Myrinet

Academic

5510
10752

307200

32

National Aerospace Laboratory of Japan
Japan/2002

PRIMEPOWER HPC2500 (1.3 GHz) / 2304
Fujitsu

PRIMEPOWER HPC2500
PRIMEPOWER HPC2500

Research
Aerospace

5406
11980

658800
100080

33

Kyoto University
Japan/2004

PRIMEPOWER HPC2500 (1.56 GHz) / 1472
Fujitsu

PRIMEPOWER HPC2500
PRIMEPOWER HPC2500

Academic

4552
9185

749340
90390

34

Pittsburgh Supercomputing Center
United States/2001

AlphaServer SC45, 1 GHz / 3016
HP

HP AlphaServer
SC Alpha-Server-Cluster

Academic

4463
6032

280000
85000

35

National Centers for Environmental Prediction
United States/2004

eServer pSeries 655 (1.7 GHz Power4+) / 1152
IBM

IBM SP
SP Power4+, Federation

Research
Weather and Climate Research

4379
7833.6

450000
60000

36

National Centers for Environmental Prediction
United States/2004

eServer pSeries 655 (1.7 GHz Power4+) / 1152
IBM

IBM SP
SP Power4+, Federation

Research
Weather Forecasting

4379
7833.6

450000
60000

37

Caltech/JPL
United States/2004

Cosmos
PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet / 1024
Dell

Dell Cluster
PowerEdge 1750, Myrinet

Academic

4298
6553.6

420000

38

Chinese Academy of Science
China/2003

DeepComp 6800, Itanium2 1.3 GHz, QsNet / 1024
Lenovo

Legend
DeepComp 6800 - Quadrics

Academic

4193
5324.8

491488

39

NCAR (National Center for Atmospheric Research)
United States/2003

pSeries 690 Turbo 1.3 GHz / 1600
IBM

IBM SP
SP Power4, Colony

Research
Weather and Climate Research

4184
8320

550000
93000

40

Texas Advanced Computing Center/Univ. of Texas
United States/2004

lonestar
PowerEdge 1750, Pentium4 Xeon 3.2/3.06 GHz, Myrinet / 1024
Dell-Cray

Dell Cluster
Dell-Cray

Academic

4152
6338

321600

Rank

Site
Country/Year

Computer / Processors
Manufacturer

Computer Family
Model

Inst. type
Installation Area

R_max
R_peak

N_max
n_half

41

Commissariat a l'Energie Atomique (CEA)
France/2001

AlphaServer SC45, 1 GHz / 2560
HP

HP AlphaServer
SC Alpha-Server-Cluster

Research

3980
5120

360000
85000

42

Lawrence Livermore National Laboratory
United States/2004

eServer pSeries 655 (1.5 GHz Power4+) / 1024
IBM

IBM SP
SP Power4+, Federation

Research

3812
6144

428800
42400

43

Lawrence Livermore National Laboratory
United States/2004

eServer pSeries 655 (1.5 GHz Power4+) / 1024
IBM

IBM SP
SP Power4+, Federation

Research

3812
6144

428800
42400

44

Bank
United Kingdom/2004

BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet / 3200
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry

3755
19584

45

Saudi Aramco
Saudia Arabia/2004

BladeCenter HS20 Xeon 3.2 GHz, Gig-E / 1536
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

3755
9830.4

46

Credit Suisse/First Boston
United Kingdom/2004

BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet / 1500
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Finance

3755
9180

47

Geoscience (C)
United Kingdom/2004

xSeries Xeon 3.06 GHz - Gig-E / 1128
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

3755
6903.36

48

Geoscience (C)
United Kingdom/2004

xSeries Xeon 3.06 GHz - Gig-E / 1128
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

3755
6903.36

49

Semiconductor Company (D)
Israel/2004

xSeries Xeon 3.06 GHz - Gig-E / 1120
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

3755
6854.4

50

Bank (H)
Germany/2004

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 1064
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Finance

3755
6511.68

51

ConocoPhillips
United States/2004

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 1056
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

3755
6462.72

52

PGS
United States/2003

xSeries Cluster Xeon 3.06 GHz - Gig-E / 1024
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

3755
6266.88

53

Petroleum Company (C)
Brazil/2004

xSeries Cluster Xeon 3.06 GHz - Gig-E / 1024
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

3755
6266.88

54

Westgrid
Canada/2003

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 1008
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Academic

3755
6168.96

55

IBM - Deep Computing Capacity on Demand Center
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 1000
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Information Processing Service

3755
6120

390000

56

Naval Oceanographic Office (NAVOCEANO)
United States/2004

pSeries 690 Turbo 1.3 GHz / 1408
IBM

IBM SP
SP Power4, Colony

Research
Weather and Climate Research

3717.2
7321.6

57

Walt Disney Feature Animation
United States/2004

The Hive
DL360G3 Xeon 3.06 GHz, Myrinet / 900
HP

HP Cluster
HP DL360 Cluster - Myrinet

Industry
Entertainment

3379.5
5508

58

Forecast Systems Laboratory - NOAA
United States/2002

Aspen Systems, Dual Xeon 2.2 GHz - Myrinet2000 / 1536
HPTi

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Myrinet

Research
Weather and Climate Research

3337
6758

285000
75000

59

National Institute for Materials Science
Japan/2004

SR11000-H1/56 / 56
Hitachi

Hitachi SR11000
SR11000-H1

Research

3319
6093

413280
52920

60

CINECA
Italy/2004

BladeCenter HS20 Xeon 3.06 GHz, Myrinet / 768
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Academic

3231
4700

301000
59000

61

Institute of Scientific Computing/Nankai University
China/2004

Nankai Stars
xSeries Xeon 3.06 GHz, Myrinet / 768
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Academic

3231
4700

301000
59000

62

UCSD/San Diego Supercomputer Center
United States/2004

TeraGrid Cluster, Itanium 2 1.3 GHz, Myrinet / 768
IBM

NOW - Intel Itanium
NOW Cluster - Intel Itanium - Myrinet

Academic

3152
3993

350000

63

Manufacturer (G)
United States/2004

eServer p5 570 POWER5 1.9 GHz, GigEth / 720
IBM

IBM SP
SP Power5, GigE

Industry
Automotive

3068
5472

375500

64

Korea Institute of Science and Technology
Korea, South/2004

Nankai Star
xSeries Xeon 2.4 GHz, Myrinet / 1024
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Research

3067
4915.2

230000

65

University of Sherbrooke
Canada/2004

Ms
PowerEdge 1850, P4 Xeon 3.2 GHz, GigE / 872
Dell

Dell Cluster
PowerEdge 1850 - GigE

Academic

3064
5580.8

66

Semiconductor Company (E)
United States/2003

xSeries Cluster Xeon 3.06 GHz - Gig-E / 800
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

3004
4896

67

Government
United States/2003

Cray X1 / 252
Cray Inc.

Cray X1
Cray X1

Classified

2932.9
3225.6

338688
44288

68

Semiconductor Company (C)
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 780
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2928.9
4773.6

69

Institute for Molecular Science
Japan/2004

SR11000-H1/50 / 50
Hitachi

Hitachi SR11000
SR11000-H1

Research

2909
5440

396000
84600

70

Sandia National Laboratories
United States/2004

DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet / 1024
HP

HP Cluster
HP DL360 Cluster - Myrinet

Research

2880
5734.4

71

Sandia National Laboratories
United States/2004

DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet / 1024
HP

HP Cluster
HP DL360 Cluster - Myrinet

Research

2880
5734.4

72

IBM
United States/2004

eServer pSeries 690 (1.9 GHz Power4+) / 672
IBM

IBM SP
SP Power4+, Federation

Vendor

2849.11
5107.2

73

University of Hong Kong
Hong Kong/2004

BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet / 712
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Academic

2673.56
4357.44

74

Environment Canada
Canada/2004

pSeries 690 Turbo 1.3GHz / 960
IBM

IBM SP
SP Power4, Colony

Research

2560
4992

75

Energy Company
United States/2003

Integrity rx5670-4x256, Itanium2 1.3 GHz, GigE / 1024
HP

HP Cluster
Integrity rx5670 Itanium2 Cluster, GigEthernet

Industry
Geophysics

2556
5324.8

76

University of Alaska - ARSC
United States/2004

eServer pSeries 655 (1.5 GHz Power4+) / 672
IBM

IBM SP
SP Power4+, Federation

Academic

2510.27
4032

77

Digital Media Company (C)
United Kingdom/2004

xSeries Xeon 3.06 GHz - Gig-E / 640
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Digital Content Creation

2403.2
3916.8

78

Sandia National Laboratories
United States/1999

ASCI Red / 9632
Intel

intel Paragon
ASCI - Red

Research

2379
3207

362880
75400

79

Silicon Graphics
United States/2004

SGI Altix 1.3 GHz / 512
SGI

SGI Altix
SGI Altix 1.3 GHz

Vendor
Software

2338
2662.4

80

Oak Ridge National Laboratory
United States/2002

pSeries 690 Turbo 1.3GHz / 864
IBM

IBM SP
SP Power4, Colony

Research

2310
4492.8

275000
62000

Rank

Site
Country/Year

Computer / Processors
Manufacturer

Computer Family
Model

Inst. type
Installation Area

R_max
R_peak

N_max
n_half

81

Sandia National Laboratories
United States/2004

xSeries Xeon 3.06 GHz, Myrinet / 512
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Research

2223.15
3133.44

82

Louisiana State University
United States/2002

P4 Xeon 1.8 GHz - Myrinet / 1024
Atipa

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Myrinet

Academic

2207
3686.4

280000
56000

83

Sandia National Laboratories
United States/2004

DL360G4 Xeon 3.4 GHz, Myrinet / 1028
HP

HP Cluster
HP DL360 Cluster - Myrinet

Research

2200
6990

84

Sandia National Laboratories
United States/2004

DL360G4 Xeon 3.4 GHz, Myrinet / 1028
HP

HP Cluster
HP DL360 Cluster - Myrinet

Research

2200
6990

85

Max-Planck-Gesellschaft MPI/IPP
Germany/2003

pSeries 690 Turbo 1.3 GHz / 822
IBM

IBM SP
SP Power4, Colony

Research

2198.44
4274.4

86

Korea Meteorological Administration
Korea, South/2004

Cray X1 / 188
Cray Inc.

Cray X1
Cray X1

Research
Weather and Climate Research

2188.15
2406.4

87

NASA/Goddard Space Flight Center
United States/2002

AlphaServer SC45, 1 GHz / 1392
HP

HP AlphaServer
SC Alpha-Server-Cluster

Research

2164
2784

320000
40000

88

Meteorological Research Institute/JMA
Japan/2004

SX-6/248M31 (typeE, 1.778ns) / 248
NEC

NEC Vector
SX6

Research
Weather and Climate Research

2155
2232

220224
21816

89

Lawrence Livermore National Laboratory
United States/1999

ASCI Blue-Pacific SST, IBM SP 604e / 5808
IBM

IBM SP
SP PC604e 332 MHz

Research

2144
3856.5

431344

90

US Army Research Laboratory (ARL)
United States/2002

pSeries 690 Turbo 1.3GHz / 800
IBM

IBM SP
SP Power4, Colony

Research

2140
4160

91

Sony Pictures Imageworks
United States/2003

xSeries Cluster Xeon 3.06 GHz - Gig-E / 568
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Image Proc./Rendering

2132.84
3476.16

92

Atomic Weapons Establishment
United Kingdom/2002

SP Power3 375 MHz 16 way / 1920
IBM

IBM SP
SP Power3 375 MHz high node

Classified

2106
2880

93

Deutscher Wetterdienst
Germany/2003

SP Power3 375 MHz 16 way / 1920
IBM

IBM SP
SP Power3 375 MHz high node

Research
Weather and Climate Research

2106
2880

94

Universitaet Wuppertal
Germany/2004

ALiCEnext, Opteron 1.8 GHz, GigE, Parastation / 1024
Angstrom

NOW - AMD
NOW Cluster - AMD - Gig Ethernet

Academic

2083
3686.4

95

Semiconductor Company (C)
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 550
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2065.25
3366

96

Energy Company
United States/2004

Integrity rx4640-4x136 Itanium2 1.3 GHz, GigE / 800
HP

HP Cluster
Integrity rx4640 Itanium2 Cluster, GigEthernet

Industry
Geophysics

2059
4160

97

Oracle Corporation
United States/2004

DL380G3, Pentium4 Xeon 2.8 GHz, Myrinet / 702
HP

HP Cluster
HP DL380 Cluster

Industry
Database

2044
3931.2

98

United Institute of Informatics Problems
Belarus/2004

SKIF K-1000
Opteron 2.2 GHz, Infiniband / 576
Self-made

NOW - AMD
NOW Cluster - AMD - Infiniband

Academic

2032
2534.4

274000
25000

99

Geoscience (C)
United Kingdom/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 2256
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
12633

100

Credit Suisse
Switzerland/2004

BladeCenter HS20 Xeon 2.8 GHz, Gig-Ethernet / 1500
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry

2026
8400

101

WETA Digital
New Zealand/2003

BladeCenter Cluster Xeon 2.8 GHz, Gig-Ethernet / 1176
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Image Proc./Rendering

2026
6585.6

102

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1140
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2026
6384

103

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1140
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2026
6384

104

WETA Digital
New Zealand/2003

BladeCenter Cluster Xeon 2.8 GHz, Gig-Ethernet / 1080
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Image Proc./Rendering

2026
6048

105

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1030
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2026
5768

106

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1028
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2026
5756.8

107

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1028
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2026
5756.8

108

C.O.R.E. Digital Pictures Inc
Canada/2004

BladeCenter Xeon 2.8 GHz, Gig-Ethernet / 1008
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Digital Media

2026
5644.8

109

Geotrace
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1000
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
5600

110

Geotrace
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1000
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
5600

111

Geotrace
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1000
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
5600

112

Geotrace
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1000
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
5600

113

Geotrace
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1000
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
5600

114

Geotrace
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 1000
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
5600

115

GX Technology
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 880
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
4928

116

Semiconductor Company (C)
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 712
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2026
3987.2

117

Geoscience Company
Mexico/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 706
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
3953.6

118

Geoscience Company
Mexico/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 706
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
3953.6

119

Geoscience Company
Mexico/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 706
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

2026
3953.6

120

UBS Warburg
United Kingdom/2004

BladeCenter Xeon 2.8 GHz, Gig-Ethernet / 650
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Finance

2026
3640

121

Semiconductor Company (C)
United States/2004

xSeries Xeon 2.8 GHz, GigEthernet / 608
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2019.48
3404.8

122

Semiconductor Company (C)
United States/2004

xSeries Xeon 2.8 GHz, GigEthernet / 608
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

2019.48
3404.8

123

University at Buffalo, SUNY, Center for Computational Res.
United States/2002

Joplin
PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Myrinet / 600
Dell

Dell Cluster
PowerEdge 2650 - Myrinet

Academic

2004
2880

253400
42200

124

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 602
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1999.91
3371.2

125

Grid Technology Research Center, AIST
Japan/2004

AIST Super Cluster F-32, Xeon 3.06 GHz, GigE / 512
Linux Networx

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Gig Ethernet

Research

1997
3133.4

331968

126

Semiconductor Company (D)
Israel/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 600
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Research

1993.38
3360

127

University of Sherbrooke
Canada/2004

Mp
eServer Opteron 2.2 GHZ, Infiniband / 936
IBM

IBM Cluster
eServer Cluster Opteron - Infiniband

Academic

1930
4118.4

400000

128

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 580
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1928.15
3248

129

Petroleum Company (E)
Brazil/2004

BladeCenter Xeon 3.2 GHz, Gig-E / 512
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1922.56
3276.8

130

PGS
Australia/2004

xSeries Xeon 3.06 GHz - Gig-E / 512
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1922.56
3133.44

131

PGS
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 512
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1922.56
3133.44

132

Petroleum Company (D)
China/2004

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 512
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1922.56
3133.44

133

UBS Warburg
United Kingdom/2004

BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet / 512
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Finance

1922.56
3133.44

134

Naval Oceanographic Office (NAVOCEANO)
United States/2004

eServer pSeries 655 (1.5 GHz Power4+) / 512
IBM

IBM SP
SP Power4+, Federation

Research

1918.57
3072

135

National Center for High Performance Computing
Taiwan/2004

Integrity rx2600 Itanium2 1.5 GHz, Quadrics / 384
HP

HP Cluster
Integrity rx2600 Itanium2 Cluster

Academic

1889
2304

136

Digital Media Company (E)
United States/2004

DL360G3 Xeon 3.06 GHz, Myrinet / 500
HP

HP Cluster
HP DL360 Cluster - Myrinet

Industry
Digital Content Creation

1877
3060

137

Digital Media Company (E)
United States/2004

DL360G3 Xeon 3.06 GHz, Myrinet / 500
HP

HP Cluster
HP DL360 Cluster - Myrinet

Industry
Digital Content Creation

1877
3060

138

Digital Media Company (E)
United States/2004

DL360G3 Xeon 3.06 GHz, Myrinet / 500
HP

HP Cluster
HP DL360 Cluster - Myrinet

Industry
Digital Content Creation

1877
3060

139

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

140

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

Rank

Site
Country/Year

Computer / Processors
Manufacturer

Computer Family
Model

Inst. type
Installation Area

R_max
R_peak

N_max
n_half

141

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

142

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

143

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

144

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

145

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

146

Industrial Classified
United States/2004

HP BL-20P, Pentium4 Xeon 3.06 GHz / 600
HP

HP Cluster
HP BL-20P Cluster

Industry
Digital Content Creation

1872
3672

147

National Centers for Environmental Prediction
United States/2002

pSeries 690 Turbo 1.3GHz / 704
IBM

IBM SP
SP Power4, Colony

Research
Weather and Climate Research

1849
3660.8

240000
32500

148

National Centers for Environmental Prediction
United States/2002

pSeries 690 Turbo 1.3GHz / 704
IBM

IBM SP
SP Power4, Colony

Research
Weather Forecasting

1849
3660.8

240000
32500

149

DOE/Bettis Atomic Power Laboratory
United States/2004

Itanium2 1.3 GHz, Myrinet / 536
Atipa

NOW - Intel Itanium
NOW Cluster - Intel Itanium - Myrinet

Research

1820
2787

470016
80000

150

DOE/Knolls Atomic Power Laboratory
United States/2004

Itanium2 1.3 GHz, Myrinet / 536
Atipa

NOW - Intel Itanium
NOW Cluster - Intel Itanium - Myrinet

Research

1820
2787

470016
80000

151

Semiconductor Company (C)
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 546
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1817.26
3057.6

152

University at Buffalo, SUNY, Center for Computational Res.
United States/2004

BladeCenter Xeon 2.8 GHz, Gig-Ethernet / 546
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Academic

1817.26
3057.6

153

SARA (Stichting Academisch Rekencentrum)
Netherlands/2003

SGI Altix 1.3 GHz / 416
SGI

SGI Altix
SGI Altix 1.3 GHz

Academic

1793
2163

298799

154

DaimlerChrysler
Germany/2004

Opteron 2.0 GHz, GigE / 896
NEC

NOW - AMD
NOW Cluster - AMD - Gig Ethernet

Industry
Automotive

1778
3584

213000

155

KISTI Supercomputing Center
Korea, South/2004

xSeries Xeon 2.8 GHz - Myrinet / 512
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Research

1762
2867

240000
37000

156

KISTI Supercomputing Center
Korea, South/2003

pSeries 690 Turbo 1.7 GHz / 544
IBM

IBM SP
SP Power4, Colony

Research

1760
3699.2

400000

157

Semiconductor Company (C)
United States/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 1834
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1755
8803.2

158

Compagnie Generale de Geophysique (CGG)
United Kingdom/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 1100
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1755
5280

159

Arizona State University/TGEN
United States/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 1048
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Academic

1755
5030.4

160

Paradigm Geophysical
United States/2003

BladeCenter Cluster Xeon 2.4 GHz, Gig-Ethernet / 1024
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Research
Geophysics

1755
4915.2

335000
41600

161

TotalFinaElf
France/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 1024
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1755
4915.2

335000
41600

162

Compagnie Generale de Geophysique (CGG)
United Kingdom/2003

BladeCenter Cluster Xeon 2.8 GHz, Gig-Ethernet / 520
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1732.46
2912

163

University of Tokyo
Japan/2001

SR8000/MPP / 1152
Hitachi

Hitachi SR8xxx
SR8000/MPP

Academic

1709.1
2074

141000
16000

164

Petroleum Company (F)
Netherlands/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 512
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1706.37
2867.2

165

Semiconductor Company (C)
United States/2003

xSeries Xeon 2.8 GHz, Gig-Ethernet / 510
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1699.85
2856

166

SG SGBI
France/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 968
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Finance

1685.49
4646.4

167

Media & Entertainment (B)
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 500
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Digital Content Creation

1667.23
2800

168

Leibniz Rechenzentrum
Germany/2002

SR8000-F1/168 / 168
Hitachi

Hitachi SR8xxx
SR8000-F1

Academic

1653
2016

160000
19560

169

Media & Entertainment (A)
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 440
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Entertainment

1652.2
2692.8

170

Fleet Numerical Meteorology and Oceanography Center
United States/2004

xSeries Xeon 2.8 GHz - Myrinet / 478
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Research
Weather and Climate Research

1649.71
2676.8

171

Semiconductor Company (C)
United States/2004

xSeries Cluster Xeon 2.8 GHz - Gig-Ethernet / 494
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1647.66
2766.4

172

Manufacturer (G)
United States/2004

eServer pSeries 655 (1.7 GHz Power4+, GigE) / 1152
IBM

IBM SP
SP Power4+, GigE

Industry
Automotive

1636
7833.6

173

Manufacturer (G)
United States/2004

eServer pSeries 655 (1.7 GHz Power4+, GigE) / 1152
IBM

IBM SP
SP Power4+, GigE

Industry
Automotive

1636
7833.6

174

Grid Technology Research Center, AIST
Japan/2004

AIST Super Cluster M-64
AIST Super Cluster M-64, Itanium2 1.3 GHz, Myrinet / 512
IBM

IBM Cluster
eServer Intel Tiger4, - Myrinet

Research

1636
2662.4

430079

175

CNRS/IDRIS
France/2004

eServer pSeries 690 (1.7 GHz Power4+) / 384
IBM

IBM SP
SP Power4+, Federation

Academic

1630
2611.2

176

Media & Entertainment (A)
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 430
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Entertainment

1614.65
2631.6

177

Media & Entertainment (A)
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 430
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Entertainment

1614.65
2631.6

178

Los Alamos National Laboratory
United States/1998

ASCI Blue Mountain / 6144
SGI

SGI Origin
ORIGIN 2000 250 MHz - Constellation

Research

1608
3072

374400
138000

179

Veritas DGC
United States/2004

Opteron 2.2 GHz, GigE / 992
Verari

NOW - AMD
NOW Cluster - AMD - Gig Ethernet

Industry

1580
4364.8

475000
300000

180

GX Technology
United States/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 880
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1576.25
4224

Rank

Site
Country/Year

Computer / Processors
Manufacturer

Computer Family
Model

Inst. type
Installation Area

R_max
R_peak

N_max
n_half

181

AMD
Germany/2004

DL140, Opteron 2.2 GHz, Myrinet / 512
HP

HP Cluster
HP DL145 Cluster

Industry
Semiconductor

1576
2252.8

182

AMD
Germany/2004

DL140, Opteron 2.2 GHz, Myrinet / 512
HP

HP Cluster
HP DL145 Cluster

Industry
Semiconductor

1576
2252.8

183

Semiconductor Company (C)
United States/2004

xSeries Xeon 2.8 GHz - Gig-Ethernet / 472
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1575.31
2643.2

184

Geoscience (A)
China/2004

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 412
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1547.06
2521.44

185

Ford Motor Company
United States/2004

eServer Opteron 2.2 GHz. Myrinet / 512
IBM

IBM Cluster
eServer Cluster Opteron - Myrinet

Industry
Automotive

1538.59
2252.8

186

IBM - Deep Computing Capacity on Demand Center
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 406
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Information Processing Service

1524.53
2484.72

187

IBM - Deep Computing Capacity on Demand Center
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 406
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Information Processing Service

1524.53
2484.72

188

IBM - Deep Computing Capacity on Demand Center
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 406
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Information Processing Service

1524.53
2484.72

189

IBM - Deep Computing Capacity on Demand Center
United States/2004

xSeries Xeon 3.06 GHz - Gig-E / 406
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Information Processing Service

1524.53
2484.72

190

Oracle Corporation
United States/2004

DL380G3, Pentium4 Xeon 2.8 GHz, Myrinet / 468
HP

HP Cluster
HP DL380 Cluster

Industry
Database

1519.6
2620.8

191

Oracle Corporation
United States/2004

DL380G3, Pentium4 Xeon 2.8 GHz, Myrinet / 468
HP

HP Cluster
HP DL380 Cluster

Industry
Database

1519.6
2620.8

192

Oracle Corporation
United States/2004

DL380G3, Pentium4 Xeon 2.8 GHz, Myrinet / 468
HP

HP Cluster
HP DL380 Cluster

Industry
Database

1519.6
2620.8

193

Sandia National Laboratories
United States/2002

Vplant Cluster P4 XEON 2.4/2.0 GHz - Myrinet / 660
Dell

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Myrinet

Research

1504
2963

160000

194

Cornell Theory Center
United States/2003

PowerEdge 2650 Cluster P4 Xeon 2.4 GHz/MSWindows - GigE / 640
Dell

Dell Cluster
PowerEdge 2650 - GigE

Academic

1503
3073

230400

195

Saudi Aramco
Saudia Arabia/2004

xSeries Xeon 3.2 GHz - Gig-Ethernet / 400
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Geophysics

1502
2560

196

Eltra
Israel/2004

BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet / 400
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry

1502
2448

197

Sony Online Gaming
United States/2004

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 400
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Entertainment

1502
2448

198

DKRZ - Deutsches Klimarechenzentrum
Germany/2003

SX-6/192M24 / 192
NEC

NEC Vector
SX6

Research
Weather and Climate Research

1484
1536

200064
15744

199

CNRS/IDRIS
France/2004

eServer pSeries 655 - 4way (1.7 GHz Power4+) / 384
IBM

IBM SP
SP Power4+, Federation

Academic

1477
2611.2

174000
40000

200

Verisign
United States/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 800
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Database

1476.94
3840

201

University of Toronto
Canada/2003

PowerRACK-HX dual Xeon 2.4 GHz - SMC GigE / 528
Self-made

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Gig Ethernet

Academic

1455
2534.4

170000
80000

202

US Army HPC Research Center at NCS
United States/2003

Cray X1 / 124
Cray Inc.

Cray X1
Cray X1

Research

1448.42
1587.2

203

University of Alaska - ARSC
United States/2003

Cray X1 / 124
Cray Inc.

Cray X1
Cray X1

Academic

1448.42
1587.2

204

Cray Inc.
United States/2004

Cray X1 / 124
Cray Inc.

Cray X1
Cray X1

Vendor

1448.42
1587.2

205

Semiconductor Company (C)
United States/2004

xSeries Xeon 2.8 GHz, Gig-Ethernet / 428
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1428.54
2396.8

206

IBM
United States/2003

pSeries 690 Turbo 1.7 GHz GigEth / 384
IBM

IBM SP
SP Power4, Gig Ethernet

Vendor

1424
2611.2

325000

207

Energy Company
United States/2003

Integrity rx4640-4x136 Itanium2 1.3 GHz, GigE / 544
HP

HP Cluster
Integrity rx4640 Itanium2 Cluster, GigEthernet

Industry
Geophysics

1418
2828.8

208

Naval Oceanographic Office (NAVOCEANO)
United States/2000

SP Power3 375 MHz / 1336
IBM

IBM SP
SP Power3 375 MHz

Research
Weather and Climate Research

1417
2004

374000

209

University of Shanghai
China/2004

DL360G3 Xeon 3.06 GHz, Infiniband / 348
HP

HP Cluster
HP DL360 Cluster - Infiniband

Academic

1401
2129.8

210

Joint Supercomputer Center
Russia/2004

MVS-5000BM, eServer BladeCenter JS20 (PowerPC970 1.6 GHz), Myrinet / 336
IBM

IBM Cluster
JS20 CLuster, Myrinet

Academic

1401
2112

280000
45000

211

Mississippi State University
United States/2004

Maverick
xSeries Xeon 3.06 GHz - Infiniband / 384
IBM

IBM Cluster
xSeries Cluster Xeon - Infiniband

Academic

1389
2350

120000

212

Altria Group - Philip Morris Management
United States/2004

pSeries 690 Turbo 1.3GHz / 512
IBM

IBM SP
SP Power4, Colony

Industry
Database

1384
2662.4

200000

213

CINECA
Italy/2002

pSeries 690 Turbo 1.3GHz / 512
IBM

IBM SP
SP Power4, Colony

Academic

1384
2662.4

200000

214

HLRN at Universitaet Hannover / RRZN
Germany/2004

pSeries 690 Turbo 1.3GHz / 512
IBM

IBM SP
SP Power4, Federation

Academic

1384
2662.4

200000

215

HLRN at ZIB/Konrad Zuse-Zentrum fuer Informationstechnik
Germany/2004

pSeries 690 Turbo 1.3GHz / 512
IBM

IBM SP
SP Power4, Federation

Academic

1384
2662.4

200000

216

Acxiom
United States/2004

DL360G3, Pentium4 Xeon 3.2 GHz, Myrinet / 400
HP

HP Cluster
HP DL360 Cluster - Myrinet

Industry
Database

1382
2560

217

National Institute for Fusion Science
Japan/2003

SX-7/160M5 / 160
NEC

NEC Vector
SX7

Research

1378
1412.8

200000
15200

218

Raytheon
United States/2003

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 364
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry

1366.82
2227.68

219

Biotech Company (A)
United Kingdom/2004

BladeCenter Xeon 2.8 GHz, Gig-Ethernet / 400
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Life Science

1335.13
2240

220

Umea University / HPC2N
Sweden/2004

HP Opteron 2.2 GHz, Myrinet / 384
HP

NOW - AMD
NOW Cluster - AMD - Myrinet

Academic

1329
1689.6

422400
31000

221

The University of Florida High-Performance Computing Center
United States/2004

PowerEdge 1750, Pentium4 Xeon 2.8 GHz, GigE / 400
Dell

Dell Cluster
PowerEdge 1750 - GigE

Academic

1325
2240

210410
61500

222

Pennsylvania State University
United States/2004

LION-XM
PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet / 336
Dell

Dell Cluster
PowerEdge 1750, Myrinet

Academic

1319.67
2056.32

223

Semiconductor Company (C)
United States/2004

xSeries Cluster Xeon 2.4 GHz - Gig-E / 666
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1310.61
3196.8

224

Consumer Goods
Australia/2004

eServer pSeries 690 (1.7 GHz Power4+, GigE) / 352
IBM

IBM SP
SP Power4+, GigE

Industry
Database

1305.33
2393.6

225

Academy of Mathematics and System Science
China/2002

DeepComp 1800 - P4 Xeon 2 GHz - Myrinet / 512
Lenovo

Legend
DeepComp 1800 - Myrinet

Academic

1297
2048

172000

226

US Government Classified (A)
United States/2004

Integrity zx6000 Itanium2 1.5 GHz, Myrinet / 256
HP

HP Cluster
Integrity zx6000 Itanium2 Cluster - Myrinet

Research

1293
1536

227

Seoul National University
Korea, South/2004

Pegasus P4 Xeon Cluster 2.2/2.4/2.8 GHz - Giganet / 520
Self-made

NOW - Intel Pentium
NOW Cluster - Intel Pentium - Giganet

Academic

1283
2557

260000

228

Semiconductor Company (C)
United States/2004

xSeries Xeon 2.8 GHz - Gig-Ethernet / 384
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1281.76
2150.4

229

Digital China Ltd.
China/2004

SuperDome 1 GHz/HPlex / 560
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1280.97
2240

230

OpenPSL Ltd.
United Kingdom/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Database

1276.7
2240

231

Telecom Italia
Italy/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1276.7
2240

232

Telecom Italia
Italy/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1276.7
2240

233

Telecom Italia
Italy/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1276.7
2240

234

Telecom Italia
Italy/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1276.7
2240

235

Semiconductor Company (C)
United States/2004

xSeries Xeon 3.2 GHz - Gig-Ethernet / 340
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1276.7
2176

236

Deutsche Telekom AG
Germany/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1263.3
2240

237

Vodafone (KK) Chuo
Japan/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1263.3
2240

238

Vodafone (KK) Chuo
Japan/2004

SuperDome 875 MHz/HyperPlex / 640
HP

HP Superdome
SuperDome HyperPlex

Industry
Telecomm

1263.3
2240

239

Financial Services (H)
United States/2004

BladeCenter Xeon 3.06 GHz, Gig-Ethernet / 336
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Finance

1261.68
2056.32

240

CEG Gramat
France/2004

SGI Altix 1.5 GHz / 256
SGI

SGI Altix
SGI Altix 1.5 GHz

Industry
Manufacturing

1258.53
1536

Rank

Site
Country/Year

Computer / Processors
Manufacturer

Computer Family
Model

Inst. type
Installation Area

R_max
R_peak

N_max
n_half

241

CSAR at the University of Manchester
United Kingdom/2004

SGI Altix 1.5 GHz / 256
SGI

SGI Altix
SGI Altix 1.5 GHz

Academic

1258.53
1536

242

Los Alamos National Laboratory
United States/2004

SGI Altix 1.5 GHz / 256
SGI

SGI Altix
SGI Altix 1.5 GHz

Research

1258.53
1536

243

NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States/2004

SGI Altix 1.5 GHz / 256
SGI

SGI Altix
SGI Altix 1.5 GHz

Research
Weather and Climate Research

1258.53
1536

244

NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States/2004

SGI Altix 1.5 GHz / 256
SGI

SGI Altix
SGI Altix 1.5 GHz

Research
Weather and Climate Research

1258.53
1536

245

Oak Ridge National Laboratory
United States/2003

SGI Altix 1.5 GHz / 256
SGI

SGI Altix
SGI Altix 1.5 GHz

Research

1258.53
1536

246

US Army Research Laboratory (ARL)
United States/2004

SGI Altix 1.5 GHz / 256
SGI

SGI Altix
SGI Altix 1.5 GHz

Research

1258.53
1536

247

Public Sector
China/2003

xSeries Cluster Xeon 2.4 GHz - Gig-E / 622
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Government

1255.99
2985.6

248

University of Houston
United States/2003

Integrity rx2600 Itanium2 1.3 GHz Cluster / 304
HP

HP Cluster
Integrity rx2600 Itanium2 Cluster

Academic

1253
1580

249

DaimlerChrysler
Germany/2004

xSeries Xeon 3.06 GHz, Myrinet / 260
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Industry
Automotive

1231.05
1591.2

250

Societe Generale
France/2004

DL360G3, Pentium4 Xeon 3.2 GHz, Myrinet / 320
HP

HP Cluster
HP DL360 Cluster - Myrinet

Industry
Finance

1228
2048

251

Cambridge University
United Kingdom/2002

Franklin
Fire 15K 1.2 GHz / 900
Sun

Sun Fire
Fire 15K Cluster

Academic

1226.4
2160

252

Semiconductor Company (C)
United States/2004

xSeries Xeon 3.2 GHz - Gig-Ethernet / 324
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1216.62
2073.6

253

Semiconductor Company (C)
United States/2004

xSeries Xeon 3.2 GHz - Gig-Ethernet / 324
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1216.62
2073.6

254

Semiconductor Company (C)
United States/2004

xSeries Xeon 3.2 GHz - Gig-Ethernet / 324
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1216.62
2073.6

255

Semiconductor Company (C)
United States/2004

xSeries Xeon 3.2 GHz - Gig-Ethernet / 324
IBM

IBM Cluster
xSeries Cluster Xeon - GigE

Industry
Semiconductor

1216.62
2073.6

256

MTU Aero Engines
Germany/2004

xSeries Xeon 3.06 GHz, Myrinet / 256
IBM

IBM Cluster
xSeries Cluster Xeon - Myrinet

Industry
Aerospace

1215.31
1566.72

257

University of Liverpool
United Kingdom/2003

PowerEdge 650, 3.06 GHz, Gig Ethernet / 940
Dell

Dell Cluster
PowerEdge 650, Gig Ethernet

Academic

1212
5752.8

210000

258

Telkom SA
South Africa/2004

Integrity Superdome, 1.5 GHz, HPlex / 384
HP

HP Superdome
Integrity Superdome

Industry
Telecomm

1210
2304

259

Banco Azteca
Mexico/2004

Integrity Superdome, 1.5 GHz, HPlex / 352
HP

HP Superdome
Integrity Superdome

Industry
Finance

1210
2112

260

HP Financial Services
Germany/2004

Integrity Superdome, 1.5 GHz, HPlex / 320
HP

HP Superdome
Integrity Superdome

Industry

1210
1920

261

Telkom SA
South Africa/2004

Integrity Superdome, 1.5 GHz, HPlex / 320
HP

HP Superdome
Integrity Superdome

Industry
Telecomm

1210
1920

262

Hewlett-Packard
United States/2004

Integrity Superdome, 1.5 GHz, HPlex / 320
HP

HP Superdome
Integrity Superdome

Vendor
Software

1210
1920

263

Hewlett-Packard
United States/2004

Integrity Superdome, 1.5 GHz, HPlex / 320
HP

HP Superdome
Integrity Superdome

Vendor
Software

1210
1920

264

Manufacturing Company (F)
Italy/2004

Integrity Superdome, 1.5 GHz, HPlex / 288
HP

HP Superdome
Integrity Superdome

Industry
Manufacturing

1210
1728

265

SBM Gates Arrow Com.
United States/2004

Integrity Superdome, 1.5 GHz, HPlex / 288
HP

HP Superdome
Integrity Superdome

Industry

1210
1728

266

SDH
Germany/2004

Integrity Superdome, 1.5 GHz, HPlex / 288
HP

HP Superdome
Integrity Superdome

Industry

1210
1728

267

Tech Pacific Exports C
India/2004

Integrity Superdome, 1.5 GHz, HPlex / 288
HP

HP Superdome
Integrity Superdome

Industry
Database

1210
1728

268

Telecom SKT
Korea, South/2004

Integrity Superdome, 1.5 GHz, HPlex / 288
HP

HP Superdome
Integrity Superdome

Industry
Telecomm

1210
1728

269

Carrefour
Spain/2004

Integrity Superdome, 1.5 GHz, HPlex / 256
HP

HP Superdome
Integrity Superdome

Industry
Database

1210
1536

270

Ericsson
Sweden/2004

Integrity Superdome, 1.5 GHz, HPlex / 256
HP

HP Superdome
Integrity Superdome

Industry

1210
1536

271

Humantel
Portugal/2004

Integrity Superdome, 1.5 GHz, HPlex / 256
HP

HP Superdome
Integrity Superdome

Industry
Telecomm

1210
1536

272

Instituto Latinoamericano
Mexico/2004

Integrity Superdome, 1.5 GHz, HPlex / 256
HP

HP Superdome
Integrity Superdome

Academic

1210
1536

273

SARL International
Germany/2004

Integrity Superdome, 1.5 GHz, HPlex / 256
HP

HP Superdome
Integrity Superdome

Industry

1210
1536

274

SBM Gates Arrow Com.
United States/2004