Top500 List - November 2004

Rmax and Rpeak values are in GFlops. For more details about other fields, check the TOP500 description.

Rpeak 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 Site System Cores Rmax (GFlop/s) Rpeak (GFlop/s) Power (kW)
1 IBM/DOE
United States
BlueGene/L beta-System - BlueGene/L DD2 beta-System (0.7 GHz PowerPC 440)
IBM
32,768 70,720.0 91,750.0
2 NASA/Ames Research Center/NAS
United States
Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband
SGI
10,160 51,870.0 60,960.0
3 Japan Agency for Marine -Earth Science and Technology
Japan
Earth-Simulator
NEC
5,120 35,860.0 40,960.0 3,200
4 Barcelona Supercomputing Center
Spain
MareNostrum - eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM
3,564 20,530.0 31,363.0
5 Lawrence Livermore National Laboratory
United States
Thunder - Intel Itanium2 Tiger4 1.4GHz - Quadrics
California Digital Corporation
4,096 19,940.0 22,938.0
6 Los Alamos National Laboratory
United States
ASCI Q - AlphaServer SC45, 1.25 GHz
Hewlett-Packard
8,192 13,880.0 20,480.0
7 Virginia Tech
United States
System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE
Self-made
2,200 12,250.0 20,240.0
8 IBM Rochester
United States
BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom)
IBM/ LLNL
8,192 11,680.0 16,384.0
9 Naval Oceanographic Office - NAVO DSRC
United States
eServer pSeries 655 (1.7 GHz Power4+)
IBM
2,944 10,310.0 20,019.2
10 NCSA
United States
Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet
Dell
2,500 9,819.0 15,300.0
11 ECMWF
United Kingdom
eServer pSeries 690 (1.9 GHz Power4+)
IBM
2,176 9,241.0 16,538.0
12 ECMWF
United Kingdom
eServer pSeries 690 (1.9 GHz Power4+)
IBM
2,176 9,241.0 16,538.0
13 US Army Research Laboratory (ARL)
United States
John Von Neumann - LNX Cluster, Xeon 3.4 GHz, Myrinet
Linux Networx
2,048 8,770.0 13,926.0
14 Institute of Physical and Chemical Research (RIKEN)
Japan
RIKEN Super Combined Cluster
Fujitsu
2,048 8,728.0 12,534.0
15 IBM Thomas J. Watson Research Center
United States
BlueGene/L DD2 Prototype (0.7 GHz PowerPC 440)
IBM/ LLNL
4,096 8,655.0 11,469.0
16 DOE/SC/Pacific Northwest National Laboratory
United States
Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics
Hewlett-Packard
1,936 8,633.0 11,616.0
17 Shanghai Supercomputer Center
China
Dawning 4000A, Opteron 2.2 GHz, Myrinet
Dawning
2,560 8,061.0 11,264.0
18 Los Alamos National Laboratory
United States
Lightning - Opteron 2 GHz, Myrinet
Linux Networx
2,816 8,051.0 11,264.0
19 Lawrence Livermore National Laboratory
United States
MCR Linux Cluster Xeon 2.4 GHz - Quadrics
Linux Networx/Quadrics
2,304 7,634.0 11,060.0
20 DOE/SC/LBNL/NERSC
United States
Seaborg - SP Power3 375 MHz 16 way
IBM
6,656 7,304.0 9,984.0
21 Lawrence Livermore National Laboratory
United States
ASCI White, SP Power3 375 MHz
IBM
8,192 7,304.0 12,288.0
22 NCSA
United States
TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet
IBM
1,776 7,215.0 10,259.0
23 US Army Research Laboratory (ARL)
United States
eServer Opteron 2.2 GHz. Myrinet
IBM
2,320 7,185.0 10,208.0
24 Lawrence Livermore National Laboratory
United States
xSeries Cluster Xeon 2.4 GHz - Quadrics
IBM/Quadrics
1,920 6,586.0 9,216.0
25 UCSD/San Diego Supercomputer Center
United States
DataStar - eServer pSeries 655/690 (1.5/1.7 Ghz Power4+)
IBM
1,696 6,385.0 10,406.0
26 Lawrence Livermore National Laboratory
United States
Lilac - xSeries x335 Cluster, Xeon 3.06 GHz, Quadrics
IBM
1,540 6,232.0 9,425.0
27 HPCx
United Kingdom
eServer pSeries 690 (1.7 GHz Power4+)
IBM
1,600 6,188.0 10,880.0
28 Grid Technology Research Center, AIST
Japan
AIST Super Cluster P-32 - AIST Super Cluster P-32, Opteron 2.0 GHz, Myrinet
IBM
2,200 6,155.0 8,800.0
29 DOE/SC/Oak Ridge National Laboratory
United States
Cray X1
Cray Inc.
504 5,895.0 6,451.0
30 Forschungszentrum Juelich (FZJ)
Germany
JUMP - eServer pSeries 690 (1.7 GHz Power4+)
IBM
1,312 5,568.0 8,921.0
31 University of Southern California
United States
HPC - Sun Fire V60, IBM xServer,2.0-3.0 GHz, Myrinet
IBM, Sun, Myricom
1,920 5,510.0 10,752.0
32 National Aerospace Laboratory of Japan
Japan
PRIMEPOWER HPC2500 (1.3 GHz)
Fujitsu
2,304 5,406.0 11,980.0
33 Kyoto University
Japan
PRIMEPOWER HPC2500 (1.56 GHz)
Fujitsu
1,472 4,552.0 9,185.0
34 Pittsburgh Supercomputing Center
United States
AlphaServer SC45, 1 GHz
Hewlett-Packard
3,016 4,463.0 6,032.0
35 NOAA R&D/ National Centers for Environmental Prediction
United States
eServer pSeries 655 (1.7 GHz Power4+)
IBM
1,152 4,379.0 7,833.6
36 NOAA R&D/ National Centers for Environmental Prediction
United States
eServer pSeries 655 (1.7 GHz Power4+)
IBM
1,152 4,379.0 7,833.6
37 Caltech/JPL
United States
Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet
Dell
1,024 4,298.0 6,553.6
38 Computer Network Information Center, Chinese Academy of Science
China
DeepComp 6800, Itanium2 1.3 GHz, QsNet
lenovo
1,024 4,193.0 5,324.8
39 NCAR (National Center for Atmospheric Research)
United States
pSeries 690 Turbo 1.3 GHz
IBM
1,600 4,184.0 8,320.0
40 Texas Advanced Computing Center/Univ. of Texas
United States
lonestar - PowerEdge 1750, Pentium4 Xeon 3.2/3.06 GHz, Myrinet
Dell-Cray
1,024 4,152.0 6,338.0
41 Commissariat a l'Energie Atomique (CEA)
France
AlphaServer SC45, 1 GHz
Hewlett-Packard
2,560 3,980.0 5,120.0
42 Lawrence Livermore National Laboratory
United States
eServer pSeries 655 (1.5 GHz Power4+)
IBM
1,024 3,812.0 6,144.0
43 Lawrence Livermore National Laboratory
United States
eServer pSeries 655 (1.5 GHz Power4+)
IBM
1,024 3,812.0 6,144.0
44 Bank (H)
Germany
BladeCenter Xeon 3.06 GHz, Gig-Ethernet
IBM
1,064 3,755.0 6,511.7
45 Bank (L)
United Kingdom
BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet
IBM
3,200 3,755.0 19,584.0
46 ConocoPhillips
United States
BladeCenter Xeon 3.06 GHz, Gig-Ethernet
IBM
1,056 3,755.0 6,462.7
47 Credit Suisse/First Boston
United Kingdom
BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet
IBM
1,500 3,755.0 9,180.0
48 Geoscience (C)
United Kingdom
xSeries Xeon 3.06 GHz - Gig-E
IBM
1,128 3,755.0 6,903.4
49 Geoscience (C)
United Kingdom
xSeries Xeon 3.06 GHz - Gig-E
IBM
1,128 3,755.0 6,903.4
50 IBM - Deep Computing Capacity on Demand Center
United States
xSeries Xeon 3.06 GHz - Gig-E
IBM
1,000 3,755.0 6,120.0
51 Petroleum Company (C)
Brazil
xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM
1,024 3,755.0 6,266.9
52 Petroleum Geo-Services
United States
xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM
1,024 3,755.0 6,266.9
53 Saudi Aramco
Saudi Arabia
BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet
IBM
1,536 3,755.0 9,830.4 251
54 Semiconductor Company (D)
Israel
xSeries Xeon 3.06 GHz - Gig-E
IBM
1,120 3,755.0 6,854.4
55 Westgrid
Canada
glacier - BladeCenter Xeon 3.06 GHz, Gig-Ethernet
IBM
1,008 3,755.0 6,169.0
56 Petróleo Brasileiro S.A
Brazil
bwr1 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet
Hewlett-Packard
1,300 3,739.0 7,956.0
57 Naval Oceanographic Office - NAVO DSRC
United States
pSeries 690 Turbo 1.3 GHz
IBM
1,408 3,717.2 7,321.6
58 Walt Disney Feature Animation
United States
The Hive - Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Myrinet
Hewlett-Packard
900 3,379.5 5,508.0
59 Forecast Systems Laboratory - NOAA
United States
Aspen Systems, Dual Xeon 2.2 GHz - Myrinet2000
HPTi
1,536 3,337.0 6,758.0
60 National Institute for Materials Science
Japan
SR11000-H1/56
Hitachi
56 3,319.0 6,093.0
61 CINECA
Italy
BladeCenter HS20 Xeon 3.06 GHz, Myrinet
IBM
768 3,231.0 4,700.0
62 Institute of Scientific Computing/Nankai University
China
Nankai Stars - xSeries Xeon 3.06 GHz, Myrinet
IBM
768 3,231.0 4,700.0
63 UCSD/San Diego Supercomputer Center
United States
TeraGrid Cluster, Itanium 2 1.3 GHz, Myrinet
IBM
768 3,152.0 3,993.0
64 Manufacturer (G)
United States
eServer p5 570 POWER5 1.9 GHz, GigEth
IBM
720 3,068.0 5,472.0
65 Korea Institute of Science and Technology
Korea, South
Nankai Star - xSeries Xeon 2.4 GHz, Myrinet
IBM
1,024 3,067.0 4,915.2
66 University of Sherbrooke
Canada
Ms - PowerEdge 750, P4 3.2 GHz, GigE
Dell
872 3,064.0 5,580.8
67 Semiconductor Company (E)
United States
xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM
800 3,004.0 4,896.0
68 Petróleo Brasileiro S.A
Brazil
bw7 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet
Hewlett-Packard
1,008 2,992.0 6,169.0
69 Government
United States
Cray X1
Cray Inc.
252 2,932.9 3,225.6
70 Semiconductor Company (C)
United States
xSeries Xeon 3.06 GHz - Gig-E
IBM
780 2,928.9 4,773.6
71 Institute for Molecular Science
Japan
SR11000-H1/50
Hitachi
50 2,909.0 5,440.0
72 Sandia National Laboratories
United States
ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet
Hewlett-Packard
1,024 2,880.0 5,734.4
73 Sandia National Laboratories
United States
ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet
Hewlett-Packard
1,024 2,880.0 5,734.4
74 IBM
United States
eServer pSeries 690 (1.9 GHz Power4+)
IBM
672 2,849.1 5,107.2
75 Max-Planck-Gesellschaft MPI/IPP
Germany
pSeries 690 Turbo 1.3GHz
IBM
1,024 2,735.0 5,324.8
76 Environment Canada
Canada
pSeries 690 Turbo 1.3GHz
IBM
960 2,560.0 4,992.0
77 Energy Company (D)
United States
Cluster Platform 6000 rx5670-4x256, Itanium2 1.3 GHz, GigE
Hewlett-Packard
1,024 2,556.0 5,324.8
78 University of Alaska - Arctic Region Supercomputing Center
United States
eServer pSeries 655 (1.5 GHz Power4+)
IBM
672 2,510.3 4,032.0
79 Digital Media Company (C)
United Kingdom
xSeries Xeon 3.06 GHz - Gig-E
IBM
640 2,403.2 3,916.8
80 Sandia National Laboratories
United States
ASCI Red
Intel
9,632 2,379.0 3,207.0
81 SGI
United States
SGI Altix 1.3 GHz
SGI
512 2,338.0 2,662.4
82 DOE/SC/Oak Ridge National Laboratory
United States
pSeries 690 Turbo 1.3GHz
IBM
864 2,310.0 4,492.8
83 Sandia National Laboratories
United States
xSeries Xeon 3.06 GHz, Myrinet
IBM
512 2,223.2 3,133.4
84 Louisiana State University
United States
SuperMike - P4 Xeon 1.8 GHz - Myrinet
Atipa Technology
1,024 2,207.0 3,686.4
85 Sandia National Laboratories
United States
ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet
Hewlett-Packard
1,028 2,200.0 6,990.0
86 Sandia National Laboratories
United States
ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet
Hewlett-Packard
1,028 2,200.0 6,990.0
87 Korea Meteorological Administration
Korea, South
Cray X1
Cray Inc.
188 2,188.2 2,406.4
88 NASA/Goddard Space Flight Center
United States
AlphaServer SC45, 1 GHz
Hewlett-Packard
1,392 2,164.0 2,784.0
89 Meteorological Research Institute, Japan Meteorological Agency
Japan
SX-6/248M31 (typeE, 1.778ns)
NEC
248 2,155.0 2,232.0
90 Lawrence Livermore National Laboratory
United States
ASCI Blue-Pacific SST, IBM SP 604e
IBM
5,808 2,144.0 3,856.5
91 US Army Research Laboratory (ARL)
United States
pSeries 690 Turbo 1.3GHz
IBM
800 2,140.0 4,160.0
92 Sony Pictures Imageworks
United States
xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM
568 2,132.8 3,476.2
93 AWE
United Kingdom
SP Power3 375 MHz 16 way
IBM
1,920 2,106.0 2,880.0
94 Deutscher Wetterdienst
Germany
SP Power3 375 MHz 16 way
IBM
1,920 2,106.0 2,880.0
95 Universitaet Wuppertal
Germany
ALiCEnext, Opteron 1.8 GHz, GigE, Parastation
Angstrom Microsystems
1,024 2,083.0 3,686.4
96 Semiconductor Company (C)
United States
xSeries Xeon 3.06 GHz - Gig-E
IBM
550 2,065.2 3,366.0
97 Energy Company (D)
United States
Cluster Platform 6000 rx4640-4x136 Itanium2 1.3 GHz, GigE
Hewlett-Packard
800 2,059.0 4,160.0
98 Oracle Corporation
United States
Cluster Platform 3000 DL380G3, Pentium4 Xeon 2.8 GHz, Myrinet
Hewlett-Packard
702 2,044.0 3,931.2
99 United Institute of Informatics Problems
Belarus
SKIF K-1000 - Opteron 2.2 GHz, Infiniband
Self-made
576 2,032.0 2,534.4
100 C.O.R.E. Digital Pictures Inc
Canada
BladeCenter Xeon 2.8 GHz, Gig-Ethernet
IBM
1,008 2,026.0 5,644.8