| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 101 | Hewlett-Packard
United States | Cluster Platform 4000 DL145 Opteron 2.6 GHz Infiniband
Hewlett-Packard | 1024 | 2005 | 3.95 | 5.32 |
| 102 | Lawrence Livermore National Laboratory
United States | eServer pSeries 655 (1.5 GHz Power4+)
IBM | 1024 | 2004 | 3.81 | 6.14 |
| 103 | Lawrence Livermore National Laboratory
United States | eServer pSeries 655 (1.5 GHz Power4+)
IBM | 1024 | 2004 | 3.81 | 6.14 |
| 104 | US Army HPC Research Center at NCS
United States | Cray X1E
Cray Inc. | 252 | 2005 | 3.78 | 4.56 |
| 105 | Bank
United Kingdom | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet
IBM | 3200 | 2004 | 3.76 | 19.58 |
| 106 | Westgrid
Canada | glacier - BladeCenter Xeon 3.06 GHz, Gig-Ethernet
IBM | 1680 | 2005 | 3.76 | 10.28 |
| 107 | Petroleum Company (G)
Saudia Arabia | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet
IBM | 1536 | 2004 | 3.76 | 9.83 |
| 108 | Credit Suisse/First Boston
United Kingdom | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet
IBM | 1500 | 2004 | 3.76 | 9.18 |
| 109 | WETA Digital
New Zealand | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 1000 | 2005 | 3.76 | 7.20 |
| 110 | Animal Logic
Australia | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet
IBM | 1148 | 2005 | 3.76 | 7.03 |
| 111 | Geoscience (B)
India | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet
IBM | 1024 | 2005 | 3.76 | 6.96 |
| 112 | Geoscience (C)
United Kingdom | xSeries Xeon 3.06 GHz - Gig-E
IBM | 1128 | 2004 | 3.76 | 6.90 |
| 113 | Geoscience (C)
United Kingdom | xSeries Xeon 3.06 GHz - Gig-E
IBM | 1128 | 2004 | 3.76 | 6.90 |
| 114 | Semiconductor Company (D)
Israel | xSeries Xeon 3.06 GHz - Gig-E
IBM | 1120 | 2004 | 3.76 | 6.85 |
| 115 | Telco
Canada | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet
IBM | 1036 | 2005 | 3.76 | 6.63 |
| 116 | Financial Services (H)
United States | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet
IBM | 1024 | 2005 | 3.76 | 6.55 |
| 117 | Bank (H)
Germany | BladeCenter Xeon 3.06 GHz, Gig-Ethernet
IBM | 1064 | 2004 | 3.76 | 6.51 |
| 118 | ConocoPhillips
United States | BladeCenter Xeon 3.06 GHz, Gig-Ethernet
IBM | 1056 | 2004 | 3.76 | 6.46 |
| 119 | PGS
United States | xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM | 1024 | 2003 | 3.76 | 6.27 |
| 120 | Petroleum Company (C)
Brazil | xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM | 1024 | 2004 | 3.76 | 6.27 |
| 121 | IBM - Deep Computing Capacity on Demand Center
United States | xSeries Xeon 3.06 GHz - Gig-E
IBM | 1000 | 2004 | 3.76 | 6.12 |
| 122 | PETROBRAS
Brazil | bwr1 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet
Hewlett-Packard | 1300 | 2004 | 3.74 | 7.96 |
| 123 | Naval Oceanographic Office (NAVOCEANO)
United States | pSeries 690 Turbo 1.3 GHz
IBM | 1408 | 2004 | 3.72 | 7.32 |
| 124 | Louisiana State University
United States | eServer pSeries p5 575 1.9 GHz
IBM | 560 | 2005 | 3.71 | 4.26 |
| 125 | Digital Media Company (B)
United States | Cluster Platform 4000 DL145 Opteron 2.4 GHz Myrinet
Hewlett-Packard | 944 | 2005 | 3.53 | 4.53 |
| 126 | Sandia National Laboratories
United States | ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet
Hewlett-Packard | 1028 | 2004 | 3.51 | 6.99 |
| 127 | Sandia National Laboratories
United States | ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet
Hewlett-Packard | 1028 | 2004 | 3.51 | 6.99 |
| 128 | Hewlett-Packard
United States | Cluster Platform 4000 DL145 Opteron 2.2 GHz, Infiniband
Hewlett-Packard | 1024 | 2005 | 3.47 | 4.51 |
| 129 | Digital Media Company (B)
United States | Cluster Platform 4000 DL145 Opteron 2.4 GHz Myrinet
Hewlett-Packard | 924 | 2005 | 3.46 | 4.44 |
| 130 | Galactic Computing (Shenzhen) Ltd.
China | Supercomputing Blade System GT4000
Galactic Computing | 562 | 2005 | 3.41 | 4.05 |
| 131 | CINECA
Italy | eServer pSeries p5 575 1.9 GHz
IBM | 512 | 2005 | 3.39 | 3.89 |
| 132 | Los Alamos National Laboratory
United States | PAL - Appro HyperBlade
Appro International | 1028 | 2005 | 3.36 | 4.11 |
| 133 | Forecast Systems Laboratory - NOAA
United States | Aspen Systems, Dual Xeon 2.2 GHz - Myrinet2000
HPTi | 1536 | 2002 | 3.34 | 6.76 |
| 134 | CINECA
Italy | xSeries, Xeon 3.06 GHz, Myrinet
IBM | 1024 | 2005 | 3.33 | 6.27 |
| 135 | Institute of Scientific Computing/Nankai University
China | Nankai Stars - xSeries Xeon 3.06 GHz, Myrinet
IBM | 768 | 2004 | 3.33 | 4.70 |
| 136 | National Institute for Materials Science
Japan | SR11000-H1/56
Hitachi | 56 | 2004 | 3.32 | 6.09 |
| 137 | Institute for Molecular Science
Japan | SR11000-H1/50
Hitachi | 50 | 2004 | 3.30 | 5.44 |
| 138 | Government
United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 640 | 2005 | 3.17 | 4.35 |
| 139 | Energy Company (D)
United States | Cluster Platform 3000 DL360G4 Xeon 3.6 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 3.17 | 5.76 |
| 140 | UCSD/San Diego Supercomputer Center
United States | TeraGrid Cluster, Itanium 2 1.3 GHz, Myrinet
IBM | 768 | 2004 | 3.15 | 3.99 |
| 141 | The University of Nottingham
United Kingdom | Jupiter - Fire V20z Cluster, Opteron 2.2 GHz, Gig Ethernet
Sun Microsystems | 1024 | 2005 | 3.15 | 4.39 |
| 142 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 143 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 144 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 145 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 146 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 147 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 148 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 149 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 150 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 151 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 152 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 153 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 154 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 155 | Manufacturer (G)
United States | eServer p5 570 POWER5 1.9 GHz, GigEth
IBM | 720 | 2004 | 3.07 | 5.47 |
| 156 | Korea Institute of Science and Technology
Korea, South | Nankai Star - xSeries Xeon 2.4 GHz, Myrinet
IBM | 1024 | 2004 | 3.07 | 4.92 |
| 157 | University of Sherbrooke
Canada | Ms - PowerEdge 750, P4 3.2 GHz, GigE
Dell | 872 | 2004 | 3.06 | 5.58 |
| 158 | Tohoku University, Institute of Fluid Science
Japan | SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
SGI | 512 | 2005 | 3.06 | 3.28 |
| 159 | Tohoku University, Institute of Fluid Science
Japan | SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
SGI | 512 | 2005 | 3.06 | 3.28 |
| 160 | Animal Logic
Australia | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, GigEthernet
IBM | 784 | 2005 | 3.03 | 5.02 |
| 161 | Semiconductor Company (E)
United States | xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM | 800 | 2003 | 3.00 | 4.90 |
| 162 | Sony. Information Technologies Laboratories.
Japan | Cray XD1, 2.2 GHz
Cray Inc. | 825 | 2005 | 3.00 | 3.63 |
| 163 | New York University
United States | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM | 512 | 2005 | 2.99 | 4.51 |
| 164 | PETROBRAS
Brazil | bw7 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet
Hewlett-Packard | 1008 | 2004 | 2.99 | 6.17 |
| 165 | Government
United States | Cray X1
Cray Inc. | 252 | 2003 | 2.93 | 3.23 |
| 166 | Semiconductor Company (C)
United States | xSeries Xeon 3.06 GHz - Gig-E
IBM | 780 | 2004 | 2.93 | 4.77 |
| 167 | University of Tokyo/Institute for Solid State Physics
Japan | SGI Altix 3700 Bx2, 1.5 GHz, NUMAlink, GigEth
SGI | 1280 | 2005 | 2.89 | 7.68 |
| 168 | Sandia National Laboratories
United States | ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet
Hewlett-Packard | 1024 | 2004 | 2.88 | 5.73 |
| 169 | Sandia National Laboratories
United States | ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet
Hewlett-Packard | 1024 | 2004 | 2.88 | 5.73 |
| 170 | Government Classified
United States | Cluster Platform 3000 DL360G3 Xeon 2.8 GHz GigEthernet
Hewlett-Packard | 1024 | 2005 | 2.88 | 5.73 |
| 171 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, Gig-Ethernet
IBM | 736 | 2005 | 2.87 | 4.71 |
| 172 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink
SGI | 512 | 2005 | 2.87 | 3.07 |
| 173 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink
SGI | 512 | 2005 | 2.87 | 3.07 |
| 174 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink
SGI | 512 | 2005 | 2.87 | 3.07 |
| 175 | Silicon Graphics
United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink
SGI | 512 | 2005 | 2.87 | 3.07 |
| 176 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 177 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 178 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 179 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 180 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 181 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 182 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 183 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 184 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 185 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 186 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 187 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 188 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 189 | Government
United States | Cray XT3, 2.4 GHz
Cray Inc. | 740 | 2005 | 2.86 | 3.55 |
| 190 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 191 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 192 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 193 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 194 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 195 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 196 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 197 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 198 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 199 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 200 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 201 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 202 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 734 | 2005 | 2.85 | 4.70 |
| 203 | Defense Classified
United States | Cluster Platform 4000 DL145 Opteron 2.4 GHz GigEthernet
Hewlett-Packard | 1024 | 2005 | 2.80 | 4.92 |
| 204 | Semiconductor Company (L)
India | eServer, Opteron 2.6 GHz, GigEthernet
IBM | 1024 | 2005 | 2.79 | 5.32 |
| 205 | Irish Centre for High-End Computing
Ireland | Walton - eServer, Opteron 2.4 GHz, GigEthernet
IBM | 968 | 2005 | 2.79 | 4.65 |
| 206 | Gaming Company (B)
Taiwan | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 884 | 2005 | 2.77 | 4.95 |
| 207 | Gaming Company (B)
Taiwan | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 884 | 2005 | 2.77 | 4.95 |
| 208 | Acxiom
United States | Cluster Platform 3000 DL360G3 Xeon 3.2 GHz Myrinet
Hewlett-Packard | 800 | 2005 | 2.76 | 5.12 |
| 209 | Deutscher Wetterdienst
Germany | eServer pSeries p5 575 1.9 GHz
IBM | 416 | 2005 | 2.76 | 3.16 |
| 210 | Deutscher Wetterdienst
Germany | eServer pSeries p5 575 1.9 GHz
IBM | 416 | 2005 | 2.76 | 3.16 |
| 211 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 698 | 2005 | 2.75 | 4.47 |
| 212 | Government
Germany | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 213 | Government
United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 214 | Government
Germany | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 215 | Government
Germany | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 216 | Sandia National Laboratories
United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 217 | Petroleum Company (G)
Saudia Arabia | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 218 | Petroleum Company (G)
Saudia Arabia | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 219 | Petroleum Company (G)
Saudia Arabia | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 220 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 221 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 222 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 223 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 224 | Max-Planck-Gesellschaft MPI/IPP
Germany | pSeries 690 Turbo 1.3GHz
IBM | 1024 | 2004 | 2.74 | 5.32 |
| 225 | Los Alamos National Laboratory
United States | Lightning Bolt #7 - Opteron 1.8 GHz dual core, Myrinet
Linux Networx | 1024 | 2005 | 2.73 | 3.69 |
| 226 | Trinity College Dublin
Ireland | IITAC - eServer Cluster, Opteron 2.4 GHz, Infiniband
IBM | 712 | 2005 | 2.72 | 3.41 |
| 227 | Government
United States | Cluster Platform 3000 DL360G3 Xeon 2.8 GHz GigEthernet
Hewlett-Packard | 912 | 2005 | 2.70 | 5.11 |
| 228 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 736 | 2005 | 2.70 | 5.30 |
| 229 | Government
United States | Cluster Platform 3000 DL360G3 Xeon 3.2 GHz Myrinet
Hewlett-Packard | 640 | 2005 | 2.69 | 4.10 |
| 230 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 680 | 2005 | 2.69 | 4.35 |
| 231 | Semiconductor Company (K)
India | xSeries x336 Cluster Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 730 | 2005 | 2.68 | 5.26 |
| 232 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 722 | 2005 | 2.65 | 5.20 |
| 233 | Bank (I)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 760 | 2005 | 2.60 | 4.65 |
| 234 | US Navy classified
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 652 | 2005 | 2.59 | 4.17 |
| 235 | US Navy classified
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 652 | 2005 | 2.59 | 4.17 |
| 236 | US Navy classified
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 652 | 2005 | 2.59 | 4.17 |
| 237 | Coles Myer
Australia | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 720 | 2005 | 2.58 | 4.61 |
| 238 | Department of Employment and Workplace Relations
Australia | Blade Cluster BL-20P, Pentium4 Xeon 3.6 GHz, GigEthernet
Hewlett-Packard | 640 | 2005 | 2.58 | 4.61 |
| 239 | Department of Employment and Workplace Relations
Australia | Blade Cluster BL-20P, Pentium4 Xeon 3.6 GHz, GigEthernet
Hewlett-Packard | 640 | 2005 | 2.58 | 4.61 |
| 240 | Environment Canada
Canada | pSeries 690 Turbo 1.3GHz
IBM | 960 | 2004 | 2.56 | 4.99 |
| 241 | Energy Company (D)
United States | Cluster Platform 6000 rx5670-4x256, Itanium2 1.3 GHz, GigE
Hewlett-Packard | 1024 | 2003 | 2.56 | 5.32 |
| 242 | Semiconductor Company (D)
Israel | xSeries x336 Cluster Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 694 | 2005 | 2.54 | 5.00 |
| 243 | Semiconductor Company (D)
Israel | xSeries x336 Cluster Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 694 | 2005 | 2.54 | 5.00 |
| 244 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 636 | 2005 | 2.54 | 4.07 |
| 245 | Semiconductor Company (D)
Israel | xSeries x336 Cluster Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 692 | 2005 | 2.54 | 4.98 |
| 246 | Semiconductor Company (D)
Israel | xSeries x336 Cluster Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 692 | 2005 | 2.54 | 4.98 |
| 247 | Semiconductor Company (D)
Israel | xSeries x336 Cluster Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 692 | 2005 | 2.54 | 4.98 |
| 248 | Sinopec
China | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet
IBM | 692 | 2005 | 2.54 | 4.71 |
| 249 | Sinopec
China | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet
IBM | 692 | 2005 | 2.54 | 4.71 |
| 250 | Semiconductor Company (D)
Israel | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet
IBM | 634 | 2005 | 2.53 | 4.06 |
| 251 | Semiconductor Company (D)
Israel | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 634 | 2005 | 2.53 | 4.06 |
| 252 | PGS
Australia | xSeries Xeon 3.06 GHz - Gig-Ethernet
IBM | 672 | 2005 | 2.52 | 4.11 |
| 253 | University of Alaska - ARSC
United States | eServer pSeries 655 (1.5 GHz Power4+)
IBM | 672 | 2004 | 2.51 | 4.03 |
| 254 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 628 | 2005 | 2.51 | 4.52 |
| 255 | Financial Institution (H)
Australia | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 700 | 2005 | 2.50 | 4.48 |
| 256 | Financial Institution (H)
Australia | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 700 | 2005 | 2.50 | 4.48 |
| 257 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 258 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 259 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 260 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 261 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 262 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 263 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 264 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 265 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 616 | 2005 | 2.46 | 4.44 |
| 266 | French Industries
France | eServer, Opteron 2.6 GHz, GigEthernet
IBM | 798 | 2005 | 2.42 | 4.15 |
| 267 | Wellpoint
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.6 GHz, GigEthernet
Hewlett-Packard | 600 | 2005 | 2.41 | 4.32 |
| 268 | The Wellcome Trust Sanger Institute
United Kingdom | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 600 | 2005 | 2.40 | 3.84 |
| 269 | Financial Institution (J)
United Kingdom | Blade Cluster BL-25P, Opteron 2.4 GHz, GigEthernet
Hewlett-Packard | 896 | 2005 | 2.40 | 4.30 |
| 270 | Financial Institution (J)
United Kingdom | Blade Cluster BL-25P, Opteron 2.4 GHz, GigEthernet
Hewlett-Packard | 896 | 2005 | 2.40 | 4.30 |
| 271 | Digital Media Company (C)
United Kingdom | xSeries Xeon 3.06 GHz - Gig-E
IBM | 640 | 2004 | 2.40 | 3.92 |
| 272 | Defense Classified
United States | Cluster Platform 3000 DL360 Xeon 2.8 GHz GigEthernet
Hewlett-Packard | 840 | 2005 | 2.40 | 4.70 |
| 273 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 652 | 2005 | 2.39 | 4.69 |
| 274 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 652 | 2005 | 2.39 | 4.69 |
| 275 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 652 | 2005 | 2.39 | 4.69 |
| 276 | Sandia National Laboratories
United States | ASCI Red
Intel | 9632 | 1999 | 2.38 | 3.21 |
| 277 | SARA (Stichting Academisch Rekencentrum)
Netherlands | Lisa - PowerEdge 1850, 3.4 GHz, Infiniband
Dell | 544 | 2005 | 2.37 | 3.74 |
| 278 | Rice University
United States | Cray XD1, 2.2 GHz
Cray Inc. | 668 | 2005 | 2.35 | 2.94 |
| 279 | CSAR at the University of Manchester
United Kingdom | SGI Altix 1.3 GHz
SGI | 512 | 2005 | 2.34 | 2.66 |
| 280 | Bank (K)
Belgium | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 650 | 2005 | 2.33 | 4.16 |
| 281 | Bank (K)
Belgium | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 650 | 2005 | 2.33 | 4.16 |
| 282 | Sinopec
China | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 576 | 2005 | 2.31 | 4.15 |
| 283 | Oak Ridge National Laboratory
United States | pSeries 690 Turbo 1.3GHz
IBM | 864 | 2002 | 2.31 | 4.49 |
| 284 | Automotive Manufacturer (F)
Italy | eServer, Opteron 2.0 GHz, Myrinet
IBM | 768 | 2005 | 2.31 | 3.07 |
| 285 | Sandia National Laboratories
United States | xSeries Xeon 3.06 GHz, Myrinet
IBM | 512 | 2004 | 2.27 | 3.13 |
| 286 | Sandia National Laboratories
United States | Red RoSE Cluster - Precision 470 Cluster, 3.6 GHz, Infiniband
Dell | 592 | 2005 | 2.21 | 4.26 |
| 287 | Louisiana State University
United States | SuperMike - P4 Xeon 1.8 GHz - Myrinet
Atipa Technology | 1024 | 2002 | 2.21 | 3.69 |
| 288 | Los Alamos National Laboratory
United States | Flash - Opteron 2 GHz, Myrinet
Linux Networx | 764 | 2005 | 2.18 | 3.06 |
| 289 | Intel
United States | Intel Cluster, Xeon 3.2 GHz dual core, Infiniband
Intel | 480 | 2005 | 2.18 | 3.07 |
| 290 | Government
United States | Cray XT3, 2.4 GHz
Cray Inc. | 544 | 2005 | 2.17 | 2.61 |
| 291 | NASA/Goddard Space Flight Center
United States | AlphaServer SC45, 1 GHz
Hewlett-Packard | 1392 | 2002 | 2.16 | 2.78 |
| 292 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 534 | 2005 | 2.16 | 3.42 |
| 293 | Institute of Genomics and Integrative Biology
India | Cluster Platform 3000 DL140G2 Xeon 3.6 GHz Infiniband
Hewlett-Packard | 576 | 2005 | 2.16 | 4.15 |
| 294 | Meteorological Research Institute/JMA
Japan | SX-6/248M31 (typeE, 1.778ns)
NEC | 248 | 2004 | 2.15 | 2.23 |
| 295 | Financial Institution (K)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 600 | 2005 | 2.15 | 3.84 |
| 296 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 600 | 2005 | 2.15 | 3.84 |
| 297 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 600 | 2005 | 2.15 | 3.84 |
| 298 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 600 | 2005 | 2.15 | 3.84 |
| 299 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 600 | 2005 | 2.15 | 3.84 |
| 300 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 600 | 2005 | 2.15 | 3.84 |
