| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 101 | CINECA Italy | eServer pSeries p5 575 1.9 GHz IBM | 512 | 2005 | 3.39 | 3.89 |
| 102 | Walt Disney Feature Animation United States | The Hive - Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Myrinet Hewlett-Packard | 900 | 2004 | 3.38 | 5.51 |
| 103 | Forecast Systems Laboratory - NOAA United States | Aspen Systems, Dual Xeon 2.2 GHz - Myrinet2000 HPTi | 1536 | 2002 | 3.34 | 6.76 |
| 104 | National Institute for Materials Science Japan | SR11000-H1/56 Hitachi | 56 | 2004 | 3.32 | 6.09 |
| 105 | Institute for Molecular Science Japan | SR11000-H1/50 Hitachi | 50 | 2004 | 3.30 | 5.44 |
| 106 | CINECA Italy | xSeries, Xeon 3.06 GHz, Myrinet IBM | 1024 | 2005 | 3.23 | 6.27 |
| 107 | Institute of Scientific Computing/Nankai University China | Nankai Stars - xSeries Xeon 3.06 GHz, Myrinet IBM | 768 | 2004 | 3.23 | 4.70 |
| 108 | UCSD/San Diego Supercomputer Center United States | TeraGrid Cluster, Itanium 2 1.3 GHz, Myrinet IBM | 768 | 2004 | 3.15 | 3.99 |
| 109 | The University of Nottingham United Kingdom | Jupiter - Fire V20z Cluster, Opteron 2.2 GHz, Gig Ethernet Sun Microsystems | 1024 | 2005 | 3.15 | 4.39 |
| 110 | Adam Opel AG Germany | eServer pSeries p5 575 1.9 GHz, GigEth IBM | 720 | 2005 | 3.07 | 5.47 |
| 111 | Manufacturer (G) United States | eServer p5 570 POWER5 1.9 GHz, GigEth IBM | 720 | 2004 | 3.07 | 5.47 |
| 112 | Max-Planck-Gesellschaft MPI/IPP Germany | eServer pSeries p5 575 1.9 GHz, GigEth IBM | 720 | 2005 | 3.07 | 5.47 |
| 113 | Korea Institute of Science and Technology Korea, South | Nankai Star - xSeries Xeon 2.4 GHz, Myrinet IBM | 1024 | 2004 | 3.07 | 4.92 |
| 114 | University of Sherbrooke Canada | Ms - PowerEdge 750, P4 3.2 GHz, GigE Dell | 872 | 2004 | 3.06 | 5.58 |
| 115 | IBM United States | eServer pSeries 690 (1.9 GHz Power4+) IBM | 672 | 2004 | 3.03 | 5.11 |
| 116 | Semiconductor Company (E) United States | xSeries Cluster Xeon 3.06 GHz - Gig-E IBM | 800 | 2003 | 3.00 | 4.90 |
| 117 | New York University United States | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet IBM | 512 | 2005 | 2.99 | 4.51 |
| 118 | PETROBRAS Brazil | bw7 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet Hewlett-Packard | 1008 | 2004 | 2.99 | 6.17 |
| 119 | Animal Logic Australia | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 784 | 2005 | 2.94 | 5.02 |
| 120 | Government United States | Cray X1 Cray Inc. | 252 | 2003 | 2.93 | 3.23 |
| 121 | Semiconductor Company (C) United States | xSeries Xeon 3.06 GHz - Gig-E IBM | 780 | 2004 | 2.93 | 4.77 |
| 122 | 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 |
| 123 | Sandia National Laboratories United States | ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet Hewlett-Packard | 1024 | 2004 | 2.88 | 5.73 |
| 124 | Sandia National Laboratories United States | ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet Hewlett-Packard | 1024 | 2004 | 2.88 | 5.73 |
| 125 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink SGI | 512 | 2005 | 2.87 | 3.07 |
| 126 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink SGI | 512 | 2005 | 2.87 | 3.07 |
| 127 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink SGI | 512 | 2005 | 2.87 | 3.07 |
| 128 | Max-Planck-Gesellschaft MPI/IPP Germany | pSeries 690 Turbo 1.3GHz IBM | 1024 | 2004 | 2.74 | 5.32 |
| 129 | UT SimCenter at Chattanooga United States | Slide Rule - PowerEdge 1850, 3.2 GHz, GigEthernet Dell | 792 | 2005 | 2.65 | 5.06 |
| 130 | Environment Canada Canada | pSeries 690 Turbo 1.3GHz IBM | 960 | 2004 | 2.56 | 4.99 |
| 131 | Energy Company (D) United States | Cluster Platform 6000 rx5670-4x256, Itanium2 1.3 GHz, GigE Hewlett-Packard | 1024 | 2003 | 2.56 | 5.32 |
| 132 | Sinopec China | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet IBM | 692 | 2005 | 2.54 | 4.71 |
| 133 | Sinopec China | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet IBM | 692 | 2005 | 2.54 | 4.71 |
| 134 | Telco Canada | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM | 1036 | 2005 | 2.53 | 6.63 |
| 135 | PGS Australia | xSeries Xeon 3.06 GHz - Gig-Ethernet IBM | 672 | 2005 | 2.52 | 4.11 |
| 136 | University of Alaska - ARSC United States | eServer pSeries 655 (1.5 GHz Power4+) IBM | 672 | 2004 | 2.51 | 4.03 |
| 137 | The Wellcome Trust Sanger Institute United Kingdom | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet IBM | 600 | 2005 | 2.40 | 3.84 |
| 138 | Digital Media Company (C) United Kingdom | xSeries Xeon 3.06 GHz - Gig-E IBM | 640 | 2004 | 2.40 | 3.92 |
| 139 | Sandia National Laboratories United States | ASCI Red Intel | 9632 | 1999 | 2.38 | 3.21 |
| 140 | SARA (Stichting Academisch Rekencentrum) Netherlands | Lisa - PowerEdge 1850, 3.4 GHz, Infiniband Dell | 544 | 2005 | 2.37 | 3.74 |
| 141 | CSAR at the University of Manchester United Kingdom | SGI Altix 1.3 GHz SGI | 512 | 2005 | 2.34 | 2.66 |
| 142 | Silicon Graphics United States | SGI Altix 1.3 GHz SGI | 512 | 2004 | 2.34 | 2.66 |
| 143 | Oak Ridge National Laboratory United States | pSeries 690 Turbo 1.3GHz IBM | 864 | 2002 | 2.31 | 4.49 |
| 144 | Automotive Manufacturer (F) Italy | eServer, Opteron 2.0 GHz, Myrinet IBM | 768 | 2005 | 2.31 | 3.07 |
| 145 | Sandia National Laboratories United States | xSeries Xeon 3.06 GHz, Myrinet IBM | 512 | 2004 | 2.22 | 3.13 |
| 146 | Sandia National Laboratories United States | Red RoSE Cluster - Precision 470 Cluster, 3.6 GHz, Infiniband Dell | 592 | 2005 | 2.21 | 4.26 |
| 147 | Louisiana State University United States | SuperMike - P4 Xeon 1.8 GHz - Myrinet Atipa Technology | 1024 | 2002 | 2.21 | 3.69 |
| 148 | Sandia National Laboratories United States | ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet Hewlett-Packard | 1028 | 2004 | 2.20 | 6.99 |
| 149 | Sandia National Laboratories United States | ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet Hewlett-Packard | 1028 | 2004 | 2.20 | 6.99 |
| 150 | Gaming Company (B) China | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet Hewlett-Packard | 800 | 2005 | 2.20 | 4.48 |
| 151 | Gaming Company (B) China | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet Hewlett-Packard | 800 | 2005 | 2.20 | 4.48 |
| 152 | Gaming Company (B) China | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet Hewlett-Packard | 800 | 2005 | 2.20 | 4.48 |
| 153 | Gaming Company (B) Taiwan | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet Hewlett-Packard | 800 | 2005 | 2.20 | 4.48 |
| 154 | Korea Meteorological Administration Korea, South | Cray X1 Cray Inc. | 188 | 2004 | 2.19 | 2.41 |
| 155 | Los Alamos National Laboratory United States | Flash - Opteron 2 GHz, Myrinet Linux Networx | 764 | 2005 | 2.18 | 3.06 |
| 156 | Government United States | Cray XT3, 2.4 GHz Cray Inc. | 544 | 2005 | 2.17 | 2.61 |
| 157 | NASA/Goddard Space Flight Center United States | AlphaServer SC45, 1 GHz Hewlett-Packard | 1392 | 2002 | 2.16 | 2.78 |
| 158 | Institute of Genomics and Integrative Biology India | Cluster Platform 3000 DL140G2 Xeon 3.6 GHz Infiniband Hewlett-Packard | 576 | 2005 | 2.16 | 4.15 |
| 159 | Meteorological Research Institute/JMA Japan | SX-6/248M31 (typeE, 1.778ns) NEC | 248 | 2004 | 2.15 | 2.23 |
| 160 | Lawrence Livermore National Laboratory United States | ASCI Blue-Pacific SST, IBM SP 604e IBM | 5808 | 1999 | 2.14 | 3.86 |
| 161 | US Army Research Laboratory (ARL) United States | pSeries 690 Turbo 1.3GHz IBM | 800 | 2002 | 2.14 | 4.16 |
| 162 | University of California, Los Angeles United States | Dawson - Apple XServe, 2.0/2.3 GHz, GigEthenet Self-made | 512 | 2005 | 2.13 | 4.40 |
| 163 | Sony Pictures Imageworks United States | xSeries Cluster Xeon 3.06 GHz - Gig-E IBM | 568 | 2003 | 2.13 | 3.48 |
| 164 | Atomic Weapons Establishment United Kingdom | SP Power3 375 MHz 16 way IBM | 1920 | 2002 | 2.11 | 2.88 |
| 165 | Deutscher Wetterdienst Germany | SP Power3 375 MHz 16 way IBM | 1920 | 2003 | 2.11 | 2.88 |
| 166 | Bowie State University United States | Xseed - XServe G5 2GHz, Myrinet Apple | 448 | 2005 | 2.10 | 3.58 |
| 167 | Universitaet Wuppertal Germany | ALiCEnext, Opteron 1.8 GHz, GigE, Parastation Angstrom Microsystems | 1024 | 2004 | 2.08 | 3.69 |
| 168 | Grid Technology Research Center, AIST Japan | AIST Super Cluster M-64 - AIST Super Cluster M-64, Itanium2 1.3 GHz, Myrinet IBM | 512 | 2004 | 2.08 | 2.66 |
| 169 | Deutscher Wetterdienst Germany | eServer pSeries p5 575 1.9 GHz IBM | 312 | 2005 | 2.07 | 2.37 |
| 170 | Semiconductor Company (C) United States | xSeries Xeon 3.06 GHz - Gig-E IBM | 550 | 2004 | 2.07 | 3.37 |
| 171 | Energy Company (D) United States | Cluster Platform 6000 rx4640-4x136 Itanium2 1.3 GHz, GigE Hewlett-Packard | 800 | 2004 | 2.06 | 4.16 |
| 172 | Universitaet Aachen/RWTH Germany | Sun Fire 25K/6900 Cluster Sun Microsystems | 672 | 2005 | 2.05 | 3.05 |
| 173 | Oracle Corporation United States | Cluster Platform 3000 DL380G3, Pentium4 Xeon 2.8 GHz, Myrinet Hewlett-Packard | 702 | 2004 | 2.04 | 3.93 |
| 174 | United Institute of Informatics Problems Belarus | SKIF K-1000 - Opteron 2.2 GHz, Infiniband Self-made | 576 | 2004 | 2.03 | 2.53 |
| 175 | Geoscience (C) United Kingdom | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 2256 | 2004 | 2.03 | 12.63 |
| 176 | Credit Suisse Switzerland | BladeCenter HS20 Xeon 2.8 GHz, Gig-Ethernet IBM | 1500 | 2004 | 2.03 | 8.40 |
| 177 | WETA Digital New Zealand | BladeCenter Cluster Xeon 2.8 GHz, Gig-Ethernet IBM | 1176 | 2003 | 2.03 | 6.59 |
| 178 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1140 | 2003 | 2.03 | 6.38 |
| 179 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1140 | 2003 | 2.03 | 6.38 |
| 180 | WETA Digital New Zealand | BladeCenter Cluster Xeon 2.8 GHz, Gig-Ethernet IBM | 1080 | 2003 | 2.03 | 6.05 |
| 181 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1030 | 2003 | 2.03 | 5.77 |
| 182 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1028 | 2003 | 2.03 | 5.76 |
| 183 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1028 | 2003 | 2.03 | 5.76 |
| 184 | C.O.R.E. Digital Pictures Inc Canada | BladeCenter Xeon 2.8 GHz, Gig-Ethernet IBM | 1008 | 2004 | 2.03 | 5.64 |
| 185 | Geotrace United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1000 | 2004 | 2.03 | 5.60 |
| 186 | Geotrace United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1000 | 2003 | 2.03 | 5.60 |
| 187 | Geotrace United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1000 | 2004 | 2.03 | 5.60 |
| 188 | Geotrace United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1000 | 2004 | 2.03 | 5.60 |
| 189 | Geotrace United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1000 | 2004 | 2.03 | 5.60 |
| 190 | Geotrace United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 1000 | 2004 | 2.03 | 5.60 |
| 191 | GX Technology United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 880 | 2004 | 2.03 | 4.93 |
| 192 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 712 | 2004 | 2.03 | 3.99 |
| 193 | Geoscience (D) Mexico | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 706 | 2003 | 2.03 | 3.95 |
| 194 | Geoscience (D) Mexico | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 706 | 2003 | 2.03 | 3.95 |
| 195 | Geoscience (D) Mexico | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 706 | 2003 | 2.03 | 3.95 |
| 196 | UBS Warburg United Kingdom | BladeCenter Xeon 2.8 GHz, Gig-Ethernet IBM | 650 | 2004 | 2.03 | 3.64 |
| 197 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, GigEthernet IBM | 608 | 2004 | 2.02 | 3.40 |
| 198 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, GigEthernet IBM | 608 | 2004 | 2.02 | 3.40 |
| 199 | United Kingdom Meteorological Office United Kingdom | SX8/128M16 NEC | 128 | 2005 | 2.02 | 2.05 |
| 200 | University at Buffalo, SUNY, Center for Computational Res. United States | Joplin - PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Myrinet Dell | 600 | 2002 | 2.00 | 2.88 |
| 201 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 602 | 2003 | 2.00 | 3.37 |
| 202 | Bank (H) Germany | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM | 532 | 2005 | 2.00 | 3.26 |
| 203 | Grid Technology Research Center, AIST Japan | AIST Super Cluster F-32, Xeon 3.06 GHz, GigE Linux Networx | 512 | 2004 | 2.00 | 3.13 |
| 204 | Semiconductor Company (D) Israel | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 600 | 2003 | 1.99 | 3.36 |
| 205 | Universitaet Paderborn - PC2 Germany | Arminius - hpcLine, Xeon EM64T 3.2 GHz, Infiniband Fujitsu-Siemens | 400 | 2005 | 1.98 | 2.56 |
| 206 | Energy Company (A) Italy | Cluster Platform 3000 DL360G3 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 516 | 2005 | 1.95 | 3.30 |
| 207 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 580 | 2003 | 1.93 | 3.25 |
| 208 | PETROBRAS Brazil | trindade - BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM | 512 | 2004 | 1.92 | 3.28 |
| 209 | PGS United States | xSeries Xeon 3.06 GHz - Gig-E IBM | 512 | 2004 | 1.92 | 3.13 |
| 210 | Petroleum Company (D) China | BladeCenter Xeon 3.06 GHz, Gig-Ethernet IBM | 512 | 2004 | 1.92 | 3.13 |
| 211 | UBS Warburg United Kingdom | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM | 512 | 2004 | 1.92 | 3.13 |
| 212 | Naval Oceanographic Office (NAVOCEANO) United States | eServer pSeries 655 (1.5 GHz Power4+) IBM | 512 | 2004 | 1.92 | 3.07 |
| 213 | Anonymous Germany | eServer pSeries p5 575 1.9 GHz IBM | 288 | 2005 | 1.91 | 2.19 |
| 214 | Government Korea, South | Cray X1E Cray Inc. | 124 | 2005 | 1.91 | 2.24 |
| 215 | National Center for High Performance Computing Taiwan | Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics Hewlett-Packard | 384 | 2004 | 1.89 | 2.30 |
| 216 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 217 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 218 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 219 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 220 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 221 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 222 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 223 | Geoscience (E) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 512 | 2005 | 1.88 | 3.69 |
| 224 | Digital Media Company (E) United States | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Myrinet Hewlett-Packard | 500 | 2004 | 1.88 | 3.06 |
| 225 | Digital Media Company (E) United States | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Myrinet Hewlett-Packard | 500 | 2004 | 1.88 | 3.06 |
| 226 | Digital Media Company (E) United States | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Myrinet Hewlett-Packard | 500 | 2004 | 1.88 | 3.06 |
| 227 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 228 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 229 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 230 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 231 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 232 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 233 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 234 | Digital Media Company (D) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz Hewlett-Packard | 600 | 2004 | 1.87 | 3.67 |
| 235 | Instituto Nacional de Meteorologia Spain | Cray X1E Cray Inc. | 124 | 2005 | 1.86 | 2.24 |
| 236 | National Centers for Environmental Prediction United States | pSeries 690 Turbo 1.3GHz IBM | 704 | 2002 | 1.85 | 3.66 |
| 237 | National Centers for Environmental Prediction United States | pSeries 690 Turbo 1.3GHz IBM | 704 | 2002 | 1.85 | 3.66 |
| 238 | Financial Institution France | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz Hewlett-Packard | 512 | 2005 | 1.83 | 3.28 |
| 239 | DOE/Bettis Atomic Power Laboratory United States | Itanium2 1.3 GHz, Myrinet Atipa Technology | 536 | 2004 | 1.82 | 2.79 |
| 240 | DOE/Knolls Atomic Power Laboratory United States | Itanium2 1.3 GHz, Myrinet Atipa Technology | 536 | 2004 | 1.82 | 2.79 |
| 241 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 546 | 2004 | 1.82 | 3.06 |
| 242 | University at Buffalo, SUNY, Center for Computational Res. United States | BladeCenter Xeon 2.8 GHz, Gig-Ethernet IBM | 546 | 2004 | 1.82 | 3.06 |
| 243 | SARA (Stichting Academisch Rekencentrum) Netherlands | SGI Altix 1.3 GHz SGI | 416 | 2003 | 1.79 | 2.16 |
| 244 | DaimlerChrysler Germany | NEC Opteron Cluster, 2.0 GHz, GigEthernet NEC | 896 | 2004 | 1.78 | 3.58 |
| 245 | KISTI Supercomputing Center Korea, South | xSeries Xeon 2.8 GHz - Myrinet IBM | 512 | 2004 | 1.76 | 2.87 |
| 246 | KISTI Supercomputing Center Korea, South | pSeries 690 Turbo 1.7 GHz IBM | 544 | 2003 | 1.76 | 3.70 |
| 247 | Semiconductor Company (C) United States | xSeries Cluster Xeon 2.4 GHz - Gig-E IBM | 1834 | 2003 | 1.76 | 8.80 |
| 248 | Compagnie Generale de Geophysique (CGG) United Kingdom | xSeries Cluster Xeon 2.4 GHz - Gig-E IBM | 1100 | 2003 | 1.76 | 5.28 |
| 249 | Arizona State University/TGEN United States | xSeries Cluster Xeon 2.4 GHz - Gig-E IBM | 1048 | 2003 | 1.76 | 5.03 |
| 250 | Paradigm Geophysical United States | BladeCenter Cluster Xeon 2.4 GHz, Gig-Ethernet IBM | 1024 | 2003 | 1.76 | 4.92 |
| 251 | TotalFinaElf France | xSeries Cluster Xeon 2.4 GHz - Gig-E IBM | 1024 | 2003 | 1.76 | 4.92 |
| 252 | Telecommunication Company United States | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex Hewlett-Packard | 640 | 2005 | 1.75 | 3.84 |
| 253 | Government United Kingdom | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex Hewlett-Packard | 512 | 2005 | 1.75 | 3.07 |
| 254 | Sandia National Laboratories United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet Hewlett-Packard | 512 | 2005 | 1.75 | 3.48 |
| 255 | Telecommunication Company United States | SuperDome 1 GHz/HyperPlex Hewlett-Packard | 768 | 2005 | 1.73 | 3.07 |
| 256 | Compagnie Generale de Geophysique (CGG) United Kingdom | BladeCenter Cluster Xeon 2.8 GHz, Gig-Ethernet IBM | 520 | 2003 | 1.73 | 2.91 |
| 257 | Calyon France | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz Hewlett-Packard | 530 | 2005 | 1.73 | 3.39 |
| 258 | Calyon France | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz Hewlett-Packard | 530 | 2005 | 1.73 | 3.39 |
| 259 | University of Wales Swansea, Institute of Life Science United Kingdom | eServer pSeries 690 (1.9 GHz Power4+) IBM | 352 | 2005 | 1.71 | 2.68 |
| 260 | University of Tokyo Japan | SR8000/MPP Hitachi | 1152 | 2001 | 1.71 | 2.07 |
| 261 | IBM - Deep Computing Capacity on Demand Center United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 512 | 2005 | 1.71 | 2.87 |
| 262 | IBM - Deep Computing Capacity on Demand Center United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 512 | 2005 | 1.71 | 2.87 |
| 263 | Petroleum Company (F) Netherlands | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 512 | 2004 | 1.71 | 2.87 |
| 264 | Semiconductor Company (C) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 510 | 2003 | 1.70 | 2.86 |
| 265 | Cray Inc. United States | Cray X1E (1 GHz) Cray Inc. | 124 | 2005 | 1.69 | 1.98 |
| 266 | SG SGBI France | xSeries Cluster Xeon 2.4 GHz - Gig-E IBM | 968 | 2003 | 1.69 | 4.65 |
| 267 | Media & Entertainment (B) United States | xSeries Xeon 2.8 GHz, Gig-Ethernet IBM | 500 | 2004 | 1.67 | 2.80 |
| 268 | Life Science (C) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 400 | 2005 | 1.66 | 2.56 |
| 269 | US Navy United States | VOID BladeCenter HS20, Xeon EM64T 3.2 GHz - Gig-Ethernet IBM | 400 | 2005 | 1.66 | 2.56 |
| 270 | US Navy United States | VOID BladeCenter HS20, Xeon EM64T 3.2 GHz - Gig-Ethernet IBM | 400 | 2005 | 1.66 | 2.56 |
| 271 | US Navy United States | VOID BladeCenter HS20, Xeon EM64T 3.2 GHz - Gig-Ethernet IBM | 400 | 2005 | 1.66 | 2.56 |
| 272 | US Navy United States | VOID BladeCenter HS20, Xeon EM64T 3.2 GHz - Gig-Ethernet IBM | 400 | 2005 | 1.66 | 2.56 |
| 273 | Leibniz Rechenzentrum Germany | SR8000-F1/168 Hitachi | 168 | 2002 | 1.65 | 2.02 |
| 274 | Semiconductor Company (C) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 440 | 2005 | 1.65 | 2.82 |
| 275 | Semiconductor Company (C) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 440 | 2005 | 1.65 | 2.82 |
| 276 | Media & Entertainment (A) United States | xSeries Xeon 3.06 GHz - Gig-E IBM | 440 | 2004 | 1.65 | 2.69 |
| 277 | Fleet Numerical Meteorology and Oceanography Center United States | xSeries Xeon 2.8 GHz - Myrinet IBM | 478 | 2004 | 1.65 | 2.68 |
| 278 | Semiconductor Company (C) United States | xSeries Cluster Xeon 2.8 GHz - Gig-Ethernet IBM | 494 | 2004 | 1.65 | 2.77 |
| 279 | Manufacturer (G) United States | eServer pSeries 655 (1.7 GHz Power4+, GigE) IBM | 1152 | 2004 | 1.64 | 7.83 |
| 280 | Manufacturer (G) United States | eServer pSeries 655 (1.7 GHz Power4+, GigE) IBM | 1152 | 2004 | 1.64 | 7.83 |
| 281 | CNRS/IDRIS France | eServer pSeries 690 (1.7 GHz Power4+) IBM | 384 | 2004 | 1.63 | 2.61 |
| 282 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 283 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 284 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 285 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 286 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 287 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 288 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 289 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 290 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 291 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 292 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 293 | Semiconductor Company (J) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 392 | 2005 | 1.63 | 2.51 |
| 294 | Semiconductor Company (C) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 432 | 2005 | 1.62 | 2.76 |
| 295 | Semiconductor Company (C) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 432 | 2005 | 1.62 | 2.76 |
| 296 | Semiconductor Company (C) United States | xSeries x336 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 432 | 2005 | 1.62 | 2.76 |
| 297 | Media & Entertainment (A) United States | xSeries Xeon 3.06 GHz - Gig-E IBM | 430 | 2004 | 1.61 | 2.63 |
| 298 | Media & Entertainment (A) United States | xSeries Xeon 3.06 GHz - Gig-E IBM | 430 | 2004 | 1.61 | 2.63 |
| 299 | Los Alamos National Laboratory United States | ASCI Blue Mountain SGI | 6144 | 1998 | 1.61 | 3.07 |
| 300 | Veritas DGC United States | Opteron 2.2 GHz, GigE Verari Systems | 992 | 2004 | 1.58 | 4.36 |