| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 1 | Lawrence Livermore National Laboratory United States | ASCI White, SP Power3 375 MHz IBM | 8192 | 2000 | 7226 | 12288 |
| 2 | Pittsburgh Supercomputing Center United States | AlphaServer SC45, 1 GHz Hewlett-Packard | 3024 | 2001 | 4059 | 6048 |
| 3 | NERSC/LBNL United States | SP Power3 375 MHz 16 way IBM | 3328 | 2001 | 3052 | 4992 |
| 4 | Sandia National Laboratories United States | ASCI Red Intel | 9632 | 1999 | 2379 | 3207 |
| 5 | Lawrence Livermore National Laboratory United States | ASCI Blue-Pacific SST, IBM SP 604e IBM | 5808 | 1999 | 2144 | 3856.5 |
| 6 | Los Alamos National Laboratory United States | AlphaServer SC45, 1 GHz Hewlett-Packard | 1536 | 2001 | 2096 | 3072 |
| 7 | University of Tokyo Japan | SR8000/MPP Hitachi | 1152 | 2001 | 1709.1 | 2074 |
| 8 | Los Alamos National Laboratory United States | ASCI Blue Mountain SGI | 6144 | 1998 | 1608 | 3072 |
| 9 | Naval Oceanographic Office (NAVOCEANO) United States | SP Power3 375 MHz IBM | 1336 | 2000 | 1417 | 2004 |
| 10 | Deutscher Wetterdienst Germany | SP Power3 375 MHz 16 way IBM | 1280 | 2001 | 1293 | 1920 |
| 11 | NCAR (National Center for Atmospheric Research) United States | SP Power3 375 MHz 16 way IBM | 1260 | 2001 | 1272 | 1890 |
| 12 | Osaka University Japan | SX-5/128M8 3.2ns NEC | 128 | 2001 | 1192 | 1280 |
| 13 | National Centers for Environmental Prediction United States | SP Power3 375 MHz IBM | 1104 | 2000 | 1179 | 1656 |
| 14 | National Centers for Environmental Prediction United States | SP Power3 375 MHz IBM | 1104 | 2001 | 1179 | 1656 |
| 15 | Government United States | T3E1200 Cray Inc. | 1900 | 2001 | 1127 | 2280 |
| 16 | Lawrence Livermore National Laboratory United States | SP Power3 375 MHz 16 way IBM | 1088 | 2001 | 1100 | 1632 |
| 17 | Leibniz Rechenzentrum Germany | SR8000-F1/112 Hitachi | 112 | 2000 | 1035 | 1344 |
| 18 | UCSD/San Diego Supercomputer Center United States | SP Power3 375 MHz 8 way IBM | 1152 | 2000 | 929 | 1728 |
| 19 | High Energy Accelerator Research Organization /KEK Japan | SR8000-F1/100 Hitachi | 100 | 2000 | 917 | 1200 |
| 20 | US Army HPC Research Center at NCS United States | T3E1200 Cray Inc. | 1084 | 2000 | 892 | 1300.8 |
| 21 | ECMWF United Kingdom | VPP5000/100 Fujitsu | 100 | 2000 | 886 | 960 |
| 22 | University of Tokyo Japan | SR8000/128 Hitachi | 128 | 1999 | 873 | 1024 |
| 23 | Maui High-Performance Computing Center (MHPCC) United States | SP Power3 375 MHz 16 way IBM | 812 | 2001 | 837 | 1218 |
| 24 | Government United States | T3E900 Cray Inc. | 1324 | 1997 | 815 | 1191.6 |
| 25 | Charles Schwab United States | SP Power3 375 MHz IBM | 768 | 2000 | 795 | 1152 |
| 26 | Institute for Materials Research/Tohoku University Japan | SR8000-G1/64 Hitachi | 64 | 2001 | 790.7 | 921.6 |
| 27 | North Carolina Supercomputing Center (NCSC) United States | SP Power3 375 MHz IBM | 720 | 2000 | 741 | 1080 |
| 28 | University of Tsukuba Japan | VPP5000/80 Fujitsu | 80 | 2001 | 730 | 768 |
| 29 | Oak Ridge National Laboratory United States | SP Power3 375 MHz IBM | 704 | 2000 | 723 | 1056 |
| 30 | Sandia National Laboratories United States | CPlant/Ross Cluster Self-made | 1369 | 2001 | 706.7 | 1275.9 |
| 31 | Australian Partnership for Advanced Computing (APAC) Australia | AlphaServer SC45, 1 GHz Hewlett-Packard | 480 | 2001 | 706 | 960 |
| 32 | Japan Meteorological Agency Japan | SR8000-E1/80 Hitachi | 80 | 2000 | 691.3 | 768 |
| 33 | Los Alamos National Laboratory/ACL United States | ORIGIN 2000 250 MHz SGI | 2048 | 1999 | 690.9 | 1024 |
| 34 | NCSA United States | Titan Cluster Itanium 800 MHz IBM | 320 | 2001 | 677.9 | 1024 |
| 35 | Naval Oceanographic Office (NAVOCEANO) United States | T3E900 Cray Inc. | 1084 | 1999 | 675 | 975.6 |
| 36 | CSAR at the University of Manchester United Kingdom | T3E1200 Cray Inc. | 812 | 2000 | 671 | 974.4 |
| 37 | Deutscher Wetterdienst Germany | T3E1200 Cray Inc. | 812 | 1999 | 671 | 974.4 |
| 38 | ERDC MSRC United States | T3E1200 Cray Inc. | 812 | 2001 | 671 | 974.4 |
| 39 | CBRC - Tsukuba Advanced Computing Center - TACC/AIST Japan | Magi Cluster PIII 933 MHz NEC | 1040 | 2001 | 654 | 970 |
| 40 | Real World Computing (RWCP)/Tsukuba Research Center Japan | SCore IIIe/PIII 933 MHz Self-made | 1024 | 2001 | 618.3 | 955.4 |
| 41 | NCSA United States | Netfinity Cluster PIII 1 GHz - Myrinet IBM | 1024 | 2001 | 594 | 1024 |
| 42 | University of Tokyo/Institute for Solid State Physics Japan | SR8000-F1/60 Hitachi | 60 | 2000 | 577 | 720 |
| 43 | Kyushu University Japan | VPP5000/64 Fujitsu | 64 | 2000 | 563 | 614.4 |
| 44 | Wright-Patterson Air Force Base/DoD ASC United States | SP Power3 375 MHz IBM | 528 | 2000 | 553 | 792 |
| 45 | United Kingdom Meteorological Office United Kingdom | T3E900 Cray Inc. | 876 | 1997 | 552 | 788.4 |
| 46 | State Farm United States | SP Power3 375 MHz IBM | 520 | 2001 | 546 | 780 |
| 47 | Petroleum Company (G) Saudia Arabia | SP Power3 375 MHz 16 way IBM | 512 | 2001 | 546 | 768 |
| 48 | US Army Research Laboratory (ARL) United States | SP Power3 375 MHz 16 way IBM | 512 | 2000 | 546 | 768 |
| 49 | Pharmaceutical Company Germany | SP Power3 375 MHz IBM | 510 | 2001 | 536 | 765 |
| 50 | Indiana University United States | SP Power3 375 MHz IBM | 508 | 2001 | 534 | 762 |
| 51 | United Kingdom Meteorological Office United Kingdom | T3E1200 Cray Inc. | 636 | 1999 | 526 | 763.2 |
| 52 | NASA/Goddard Space Flight Center United States | T3E Cray Inc. | 1356 | 2000 | 525 | 813.6 |
| 53 | State Farm United States | SP Power3 375 MHz IBM | 488 | 2001 | 512 | 732 |
| 54 | Hewlett-Packard United States | AlphaServer SC ES40/EV67 Hewlett-Packard | 512 | 2000 | 507.6 | 682.66 |
| 55 | Lawrence Livermore National Laboratory United States | AlphaServer SC ES40/EV67 Hewlett-Packard | 512 | 2000 | 507.6 | 682.66 |
| 56 | Centre Informatique National (CINES) France | SP Power3 375 MHz IBM | 472 | 2001 | 494 | 708 |
| 57 | Nagoya University Japan | VPP5000/56 Fujitsu | 56 | 1999 | 492 | 537.6 |
| 58 | Kyoto University Japan | VPP800/63 Fujitsu | 63 | 1999 | 482 | 504 |
| 59 | Lawrence Livermore National Laboratory United States | SP Power3 375 MHz 16 way IBM | 448 | 2001 | 480 | 672 |
| 60 | Lawrence Livermore National Laboratory United States | ASCI Blue-Pacific CTR, IBM SP 604e IBM | 1344 | 1998 | 468.2 | 892.4 |
| 61 | Tsukuba Advanced Computing Center - TACC/AIST Japan | SR8000/64 Hitachi | 64 | 1999 | 449 | 512 |
| 62 | Cray Inc. United States | T3E1200 Cray Inc. | 540 | 1998 | 447 | 648 |
| 63 | Forschungszentrum Juelich (FZJ) Germany | T3E1200 Cray Inc. | 540 | 1999 | 447 | 648 |
| 64 | Government United States | T3E1200 Cray Inc. | 540 | 1998 | 447 | 648 |
| 65 | Government United States | T3E1200 Cray Inc. | 540 | 1999 | 447 | 648 |
| 66 | Government United States | T3E1200 Cray Inc. | 540 | 2001 | 447 | 648 |
| 67 | NERSC/LBNL United States | T3E900 Cray Inc. | 692 | 1997 | 444 | 622.8 |
| 68 | Forecast Systems Laboratory - NOAA United States | ACL-580 HPTi | 580 | 2001 | 442.7 | 841 |
| 69 | Financial Institution Hong Kong | SP Power3 375 MHz IBM | 424 | 2000 | 441 | 636 |
| 70 | Defense Sweden | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 1999 | 420.44 | 716.8 |
| 71 | Service Provider United States | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 2000 | 420.44 | 716.8 |
| 72 | Service Provider United States | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 2000 | 420.44 | 716.8 |
| 73 | Sun United States | HPC 4500 400 MHz Cluster Sun Microsystems | 896 | 2000 | 420.44 | 716.8 |
| 74 | Fleet Numerical Meteorology and Oceanography Center United States | ORIGIN 3000 500 MHz SGI | 512 | 2001 | 405.6 | 512 |
| 75 | Japan Atomic Energy Research Institute Japan | ORIGIN 3000 500 MHz SGI | 512 | 2001 | 405.6 | 512 |
| 76 | SARA (Stichting Academisch Rekencentrum) Netherlands | ORIGIN 3000 500 MHz SGI | 512 | 2000 | 405.6 | 512 |
| 77 | SARA (Stichting Academisch Rekencentrum) Netherlands | ORIGIN 3000 500 MHz SGI | 512 | 2000 | 405.6 | 512 |
| 78 | IBM Thomas J. Watson Research Center United States | SP Power3 375 MHz IBM | 360 | 2001 | 371 | 540 |
| 79 | Center for Computational Science, University of Tsukuba Japan | CP-PACS/2048 Hitachi/Tsukuba | 2048 | 1996 | 368.2 | 614.4 |
| 80 | Max-Planck-Gesellschaft MPI/IPP Germany | T3E Cray Inc. | 812 | 1997 | 355 | 487.2 |
| 81 | ERDC MSRC United States | AlphaServer SC40, 833 MHz Hewlett-Packard | 256 | 2001 | 344.1 | 426.5 |
| 82 | Japan Marine Science and Technology Japan | AlphaServer SC40, 833 MHz Hewlett-Packard | 256 | 2001 | 344.1 | 426.5 |
| 83 | Los Alamos National Laboratory United States | AlphaServer SC40, 833 MHz Hewlett-Packard | 256 | 2001 | 344.1 | 426.5 |
| 84 | HWW/Universitaet Stuttgart Germany | T3E900 Cray Inc. | 540 | 1996 | 341 | 486 |
| 85 | Pittsburgh Supercomputing Center United States | T3E900 Cray Inc. | 540 | 1998 | 341 | 486 |
| 86 | GSIC Center, Tokyo Institute of Technology Japan | Presto III Athlon 1.2 GHz Self-made | 256 | 2001 | 331.7 | 614.4 |
| 87 | University of Minnesota/Supercomputing Institute United States | SP Power3 375 MHz IBM | 322 | 2000 | 330 | 483 |
| 88 | Maui High-Performance Computing Center (MHPCC) United States | SP Power3 375 MHz IBM | 320 | 2000 | 327 | 480 |
| 89 | Institute of Physical and Chemical Res. (RIKEN) Japan | VPP700/160E Fujitsu | 160 | 1999 | 319 | 384 |
| 90 | CSAR at the University of Manchester United Kingdom | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 91 | ERDC MSRC United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 92 | NASA/Ames Research Center/NAS United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 93 | NASA/Ames Research Center/NAS United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 94 | NASA/Goddard Space Flight Center United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 95 | Silicon Graphics United States | ORIGIN 3000 400 MHz SGI | 512 | 2001 | 315.5 | 409.6 |
| 96 | US Army Research Laboratory (ARL) United States | ORIGIN 3000 400 MHz SGI | 512 | 2000 | 315.5 | 409.6 |
| 97 | ERDC MSRC United States | SP Power3 222 MHz IBM | 512 | 2000 | 307.6 | 454.6 |
| 98 | CNRS/IDRIS France | SX-5/40M3 NEC | 40 | 2000 | 303 | 320 |
| 99 | EDINFOR Portugal | SP Power3 375 MHz IBM | 296 | 2001 | 301 | 444 |
| 100 | NASA/Ames Research Center/NAS United States | ORIGIN 2000 400 MHz SGI | 512 | 2000 | 300.2 | 409.6 |