| Rank | Country | World Rank | Manufacturer | Computer | Rmax | Installation Site | Year | # Proc | Rpeak | Nmax | N1/2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Spain | 9 | IBM | MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet | 62630 | Barcelona Supercomputing Center | 2006 | 10240 | 94208 | ||
| 2 | Germany | 10 | SGI | HLRB-II - Altix 4700 1.6 GHz | 56520 | Leibniz Rechenzentrum | 2007 | 9728 | 62259.2 | 1583232 | |
| 3 | France | 12 | Bull SA | Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics | 52840 | Commissariat a l'Energie Atomique (CEA) | 2006 | 9968 | 63795.2 | ||
| 4 | Germany | 18 | IBM | JUBL - eServer Blue Gene Solution | 37330 | Forschungszentrum Juelich (FZJ) | 2006 | 16384 | 45875 | 663551 | |
| 5 | France | 21 | Bull SA | CEA-CCRT-Platine - Novascale 3045, Itanium2 1.6 GHz, Infiniband | 35130 | Commissariat a l'Energie Atomique (CEA) | 2007 | 6144 | 39321 | 1320000 | |
| 6 | United Kingdom | 23 | Cray Inc. | Cray XT3, 2.6 GHz dual Core | 32498 | Atomic Weapons Establishment | 2006 | 7812 | 40622 | ||
| 7 | Netherlands | 25 | IBM | Stella - eServer Blue Gene Solution | 27450 | ASTRON/University Groningen | 2005 | 12288 | 34406.4 | 516095 | |
| 8 | United Kingdom | 35 | IBM | BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet | 19039.5 | University of Reading | 2007 | 3040 | 27968 | ||
| 9 | France | 37 | IBM | eServer Blue Gene Solution | 18665 | EDF R&D | 2007 | 8192 | 22937.6 | 442367 | |
| 10 | Switzerland | 38 | IBM | eServer Blue Gene Solution | 18665 | Ecole Polytechnique Federale de Lausanne | 2005 | 8192 | 22937.6 | 442367 | |
| 11 | United Kingdom | 43 | Dell | Darwin - PowerEdge 1950, 3.0 GHz, Infinipath | 18270 | Cambridge University | 2006 | 2340 | 28080 | 713000 | |
| 12 | United Kingdom | 47 | IBM | eServer pSeries p5 575 1.9 GHz | 16202 | ECMWF | 2007 | 2480 | 18848 | ||
| 13 | United Kingdom | 48 | IBM | eServer pSeries p5 575 1.9 GHz | 16202 | ECMWF | 2007 | 2480 | 18848 | ||
| 14 | Switzerland | 59 | Cray Inc. | Cray XT3, 2.6 GHz dual Core | 14220 | Swiss Scientific Computing Center (CSCS) | 2006 | 3328 | 17305.6 | ||
| 15 | Spain | 60 | IBM | BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet | 14000 | CeSViMa - BSC | 2006 | 2408 | 21190.4 | ||
| 16 | United Kingdom | 64 | IBM | eServer pSeries p5 575 1.5 GHz | 12940 | HPCx | 2006 | 2560 | 15360 | 600000 | |
| 17 | Italy | 66 | IBM | BCX - eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband | 12608 | CINECA | 2006 | 5120 | 26624 | ||
| 18 | Germany | 72 | SGI | Altix 4700 1.6 GHz | 11913.2 | Technische Universitaet Dresden | 2006 | 2048 | 13107.2 | 440832 | |
| 19 | Germany | 73 | Hewlett-Packard | Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband | 11856 | Scientific Supercomputing Center Karlsruhe | 2006 | 3000 | 15600 | ||
| 20 | Netherlands | 76 | IBM | Huygens - eServer pSeries 575, p5+ 1.9 GHz, Infiniband | 11490 | SARA (Stichting Academisch Rekencentrum) | 2007 | 1920 | 14592 | 576000 | |
| 21 | Germany | 78 | Linux Networx | Deimos - Opteron dual core 2.6 GHz, Infiniband | 10880 | Technische Universitaet Dresden | 2007 | 2576 | 13395 | 742560 | 109200 |
| 22 | United Kingdom | 79 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband | 10857 | Semiconductor Company (O) | 2007 | 1392 | 16704 | ||
| 23 | Germany | 84 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 10421 | Logistic Services (D) | 2007 | 1336 | 16032 | ||
| 24 | Switzerland | 90 | DALCO AG Switzerland | Albert - Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics | 9604 | BMW Sauber F1 | 2006 | 1024 | 12288 | 492000 | |
| 25 | United Kingdom | 91 | IBM | eServer Blue Gene Solution | 9433 | Daresbury Laboratory | 2007 | 4096 | 11468.8 | 331775 | |
| 26 | Switzerland | 95 | IBM | eServer Blue Gene Solution | 9433 | IBM Research | 2005 | 4096 | 11468.8 | 331775 | |
| 27 | United Kingdom | 99 | IBM | xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet | 9287 | Financial DCCoD (A) | 2007 | 1700 | 20400 | ||
| 28 | Russia | 104 | T-Platforms | SKIF-Cyberia - Xeon Cluster, QLogic InfiniPath | 9010 | Tomsk State University | 2007 | 1128 | 12002 | 338400 | |
| 29 | Germany | 107 | NEC | SX8/576M72 | 8923 | HWW/Universitaet Stuttgart | 2005 | 576 | 9216 | 829440 | 55296 |
| 30 | Finland | 108 | Cray Inc. | Louhi - Cray XT4, 2.6 GHz | 8883 | CSC (Center for Scientific Computing) | 2006 | 2024 | 11334 | ||
| 31 | France | 109 | Hewlett-Packard | Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband | 8751 | Hewlett Packard | 2007 | 1024 | 12288 | ||
| 32 | Switzerland | 114 | Self-made | InterMediaTe - NOW Cluster - Intel Xeon 51xx, 3.0 GHz, GigEthernet | 8329 | CERN | 2007 | 1360 | 16320 | ||
| 33 | Germany | 116 | IBM | xSeries x3455 Cluster Opteron, 2.6 GHz, Infiniband | 8210 | Technical University of Chemnitz, CHIC | 2007 | 2152 | 11190.4 | ||
| 34 | Finland | 117 | Hewlett-Packard | Cluster Platform 4000 BL465c Opteron Dual Core 2.6 GHz Infiniband | 8200.2 | CSC (Center for Scientific Computing) | 2006 | 2048 | 10649 | ||
| 35 | Belgium | 119 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 8143 | Belgacom | 2007 | 1044 | 12528 | ||
| 36 | Italy | 132 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband | 7987.2 | SCS S.r.l. | 2006 | 1024 | 12288 | ||
| 37 | Germany | 133 | Dell | Hercules - PowerEdge 1950, 2.33 GHz, Infiniband | 7944 | Fraunhofer ITWM | 2007 | 1096 | 10227.9 | ||
| 38 | Germany | 135 | Hewlett-Packard | HP DL380G5 Cluster | 7905 | BMW AG | 2007 | 1080 | 12960 | ||
| 39 | Netherlands | 137 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 7821 | IT Service Provider (C) | 2007 | 1128 | 12033 | ||
| 40 | Spain | 140 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 7769 | Memory Set S.A. | 2007 | 996 | 11952 | ||
| 41 | Norway | 150 | Hewlett-Packard | Cluster Platform 3000 DL380 Xeon 51xx 3.0 Ghz, Infiniband | 7495.7 | Statoil | 2006 | 1024 | 12288 | ||
| 42 | Germany | 151 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 7457 | Concat AG | 2007 | 956 | 11472 | ||
| 43 | United Kingdom | 152 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 7405 | Semiconductor Company (O) | 2007 | 1068 | 11393 | ||
| 44 | Germany | 161 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 7176 | Concat AG | 2007 | 920 | 11040 | ||
| 45 | Netherlands | 179 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6739 | IT Service Provider (C) | 2007 | 864 | 10368 | ||
| 46 | Netherlands | 180 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6739 | IT Service Provider (C) | 2007 | 864 | 10368 | ||
| 47 | Sweden | 182 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet | 6720 | Financial Institution | 2007 | 1108 | 10339 | ||
| 48 | United Kingdom | 183 | Hewlett-Packard | Cluster Platform 4000 BL685c, Opteron DC 2.4GHz, Infiniband | 6682 | Food Industry | 2007 | 1808 | 8678 | ||
| 49 | Russia | 186 | IBM | MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet | 6645.53 | Joint Supercomputer Center | 2006 | 1148 | 10102.4 | ||
| 50 | Germany | 191 | Megware | Damiana - NOW Cluster - Intel Xeon 5160, 3 GHz | 6527 | Max-Planck-Gesellschaft MPI/Albert-Einstein-Institut | 2007 | 672 | 8064 | 382000 | |
| 51 | Germany | 193 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet | 6429 | Logistic Services (D) | 2007 | 1060 | 9891 | ||
| 52 | United Kingdom | 195 | IBM | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet | 6316 | Financial DCCoD (B) | 2007 | 1280 | 15360 | ||
| 53 | United Kingdom | 196 | IBM | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet | 6316 | Financial DCCoD (B) | 2007 | 1280 | 15360 | ||
| 54 | United Kingdom | 197 | IBM | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet | 6316 | Financial DCCoD (B) | 2007 | 1280 | 15360 | ||
| 55 | Norway | 200 | IBM | eServer pSeries p5 575 1.9 GHz | 6271.71 | Norwegian University of Science and Technology | 2006 | 960 | 7296 | ||
| 56 | Netherlands | 201 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband | 6240 | Consulting Company (B) | 2007 | 800 | 9600 | ||
| 57 | United Kingdom | 203 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 58 | United Kingdom | 204 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 59 | United Kingdom | 205 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 60 | United Kingdom | 206 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 61 | United Kingdom | 207 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 62 | United Kingdom | 208 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 63 | United Kingdom | 209 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 64 | United Kingdom | 210 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 6240 | Food Industry | 2007 | 800 | 9600 | ||
| 65 | Sweden | 216 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 6129 | Financial Institution | 2007 | 884 | 9430 | ||
| 66 | Germany | 217 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 6129 | Logistic Services (D) | 2007 | 884 | 9430 | ||
| 67 | Russia | 265 | Hewlett-Packard | MVS-50000 - Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband | 5741 | Joint Supercomputer Center | 2007 | 640 | 7680 | 240000 | 50000 |
| 68 | Germany | 269 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband | 5658 | IT Service Provider (B) | 2007 | 816 | 8705 | ||
| 69 | Italy | 271 | Hewlett-Packard | SuperDome 875 MHz/HyperPlex | 5591 | Telecom Italia | 2007 | 3072 | 10752 | ||
| 70 | Germany | 273 | Hewlett-Packard | Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband | 5585 | Universität Erlangen | 2007 | 740 | 8880 | ||
| 71 | Germany | 274 | IBM | JUMP - eServer pSeries 690 (1.7 GHz Power4+) | 5568 | Forschungszentrum Juelich (FZJ) | 2004 | 1312 | 8921 | 660000 | 60000 |
| 72 | United Kingdom | 284 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, Infiniband | 5507 | Computacenter | 2007 | 908 | 8473 | ||
| 73 | Germany | 291 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5398 | IT Service Provider (C) | 2007 | 692 | 8304 | ||
| 74 | Sweden | 293 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5273 | Financial Institution | 2007 | 676 | 8112 | ||
| 75 | Russia | 294 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5242 | Logistic Services (F) | 2007 | 672 | 8064 | ||
| 76 | Italy | 295 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5239 | Telecom Italia | 2007 | 740 | 8880 | ||
| 77 | France | 296 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5210 | Food Industry | 2007 | 668 | 8016 | ||
| 78 | United Kingdom | 304 | Hewlett-Packard | Cluster Platform 4000 BL465c, Opteron DC 2.4GHz, GigEthernet | 5189 | Computacenter | 2007 | 1638 | 7862 | ||
| 79 | Italy | 305 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5179 | Esprinet - Log. Distr. Eur. SRL | 2007 | 664 | 7968 | ||
| 80 | United Kingdom | 310 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5086 | Computacenter | 2007 | 652 | 7824 | ||
| 81 | United Kingdom | 311 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 5086 | Computacenter | 2007 | 652 | 7824 | ||
| 82 | United Kingdom | 314 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 5075 | Computacenter | 2007 | 732 | 7809 | ||
| 83 | United Kingdom | 315 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 5075 | Computacenter | 2007 | 732 | 7809 | ||
| 84 | United Kingdom | 316 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 5075 | Computacenter | 2007 | 732 | 7809 | ||
| 85 | United Kingdom | 317 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet | 5075 | Computacenter | 2007 | 732 | 7809 | ||
| 86 | Netherlands | 318 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet | 5071 | Copaco DC B.V. | 2007 | 836 | 7801 | ||
| 87 | Sweden | 320 | IBM | Ada - BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet | 5053 | Chalmers University of Technology | 2007 | 1024 | 12288 | ||
| 88 | Sweden | 322 | IBM | Milleotto - BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet | 5053 | Lunds Tekniska Hogskola | 2007 | 1024 | 12288 | ||
| 89 | United Kingdom | 323 | Hewlett-Packard | Blade Cluster BL-25P, Opteron 2.4 GHz, GigEthernet | 5044 | Financial Institution (J) | 2006 | 1880 | 9024 | ||
| 90 | Sweden | 327 | Dell | Lenngren - PowerEdge 1850, 3.4 GHz, Infiniband | 4999 | KTH - Royal Institute of Technology | 2005 | 886 | 6025 | ||
| 91 | Belgium | 329 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 4992 | Belgacom Corporate University | 2007 | 640 | 7680 | ||
| 92 | France | 330 | Hewlett-Packard | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet | 4992 | IT Service Provider (C) | 2007 | 640 | 7680 | ||
| 93 | United Kingdom | 345 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial DCCoD (B) | 2007 | 2000 | 8800 | ||
| 94 | United Kingdom | 346 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial DCCoD (B) | 2007 | 2000 | 8800 | ||
| 95 | United Kingdom | 347 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial DCCoD (B) | 2007 | 2000 | 8800 | ||
| 96 | United Kingdom | 348 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial DCCoD (B) | 2007 | 2000 | 8800 | ||
| 97 | United Kingdom | 349 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial DCCoD (B) | 2007 | 2000 | 8800 | ||
| 98 | France | 350 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial Institution (Q) | 2006 | 2000 | 8800 | ||
| 99 | United Kingdom | 351 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial Services (M) | 2006 | 2000 | 8800 | ||
| 100 | United Kingdom | 352 | IBM | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet | 4924.8 | Financial Services (M) | 2006 | 2000 | 8800 | ||
| 101 | United Kingdom | 358 | Hewlett-Packard | Cluster Platform 4000 BL685c, Opteron DC 2.4GHz, Infiniband | 4849 | Computacenter | 2007 | 1312 | 6298 |