United States
In November 2001, 230 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 1 | ASCI White, SP Power3 375 MHz | 8192 | N/A | 7226 | 12288 | IBM |
| 2 | AlphaServer SC45, 1 GHz | 3024 | N/A | 4059 | 6048 | HP |
| 3 | SP Power3 375 MHz 16 way | 3328 | N/A | 3052 | 4992 | IBM |
| 4 | ASCI Red | 9632 | N/A | 2379 | 3207 | Intel |
| 5 | ASCI Blue-Pacific SST, IBM SP 604e | 5808 | N/A | 2144 | 3856.5 | IBM |
| 6 | AlphaServer SC45, 1 GHz | 1536 | N/A | 2096 | 3072 | HP |
| 8 | ASCI Blue Mountain | 6144 | N/A | 1608 | 3072 | SGI |
| 9 | SP Power3 375 MHz | 1336 | N/A | 1417 | 2004 | IBM |
| 11 | SP Power3 375 MHz 16 way | 1260 | N/A | 1272 | 1890 | IBM |
| 13 | SP Power3 375 MHz | 1104 | N/A | 1179 | 1656 | IBM |
| 14 | SP Power3 375 MHz | 1104 | N/A | 1179 | 1656 | IBM |
| 15 | T3E1200 | 1900 | N/A | 1127 | 2280 | Cray Inc. |
| 16 | SP Power3 375 MHz 16 way | 1088 | N/A | 1100 | 1632 | IBM |
| 18 | SP Power3 375 MHz 8 way | 1152 | N/A | 929 | 1728 | IBM |
| 20 | T3E1200 | 1084 | N/A | 892 | 1300.8 | Cray Inc. |
| 23 | SP Power3 375 MHz 16 way | 812 | N/A | 837 | 1218 | IBM |
| 24 | T3E900 | 1324 | N/A | 815 | 1191.6 | Cray Inc. |
| 25 | SP Power3 375 MHz | 768 | N/A | 795 | 1152 | IBM |
| 27 | SP Power3 375 MHz | 720 | N/A | 741 | 1080 | IBM |
| 29 | SP Power3 375 MHz | 704 | N/A | 723 | 1056 | IBM |
| 30 | CPlant/Ross Cluster | 1369 | N/A | 706.7 | 1275.9 | Self-made |
| 33 | ORIGIN 2000 250 MHz | 2048 | N/A | 690.9 | 1024 | SGI |
| 34 | Titan Cluster Itanium 800 MHz | 320 | N/A | 677.9 | 1024 | IBM |
| 35 | T3E900 | 1084 | N/A | 675 | 975.6 | Cray Inc. |
| 38 | T3E1200 | 812 | N/A | 671 | 974.4 | Cray Inc. |
| 41 | Netfinity Cluster PIII 1 GHz - Myrinet | 1024 | N/A | 594 | 1024 | IBM |
| 44 | SP Power3 375 MHz | 528 | N/A | 553 | 792 | IBM |
| 46 | SP Power3 375 MHz | 520 | N/A | 546 | 780 | IBM |
| 48 | SP Power3 375 MHz 16 way | 512 | N/A | 546 | 768 | IBM |
| 50 | SP Power3 375 MHz | 508 | N/A | 534 | 762 | IBM |
| 52 | T3E | 1356 | N/A | 525 | 813.6 | Cray Inc. |
| 53 | SP Power3 375 MHz | 488 | N/A | 512 | 732 | IBM |
| 54 | AlphaServer SC ES40/EV67 | 512 | N/A | 507.6 | 682.66 | HP |
| 55 | AlphaServer SC ES40/EV67 | 512 | N/A | 507.6 | 682.66 | HP |
| 59 | SP Power3 375 MHz 16 way | 448 | N/A | 480 | 672 | IBM |
| 60 | ASCI Blue-Pacific CTR, IBM SP 604e | 1344 | N/A | 468.2 | 892.4 | IBM |
| 62 | T3E1200 | 540 | N/A | 447 | 648 | Cray Inc. |
| 64 | T3E1200 | 540 | N/A | 447 | 648 | Cray Inc. |
| 65 | T3E1200 | 540 | N/A | 447 | 648 | Cray Inc. |
| 66 | T3E1200 | 540 | N/A | 447 | 648 | Cray Inc. |
| 67 | T3E900 | 692 | N/A | 444 | 622.8 | Cray Inc. |
| 68 | ACL-580 | 580 | N/A | 442.7 | 841 | HPTi |
| 71 | HPC 4500 400 MHz Cluster | 896 | N/A | 420.44 | 716.8 | Sun |
| 72 | HPC 4500 400 MHz Cluster | 896 | N/A | 420.44 | 716.8 | Sun |
| 73 | HPC 4500 400 MHz Cluster | 896 | N/A | 420.44 | 716.8 | Sun |
| 74 | ORIGIN 3000 500 MHz | 512 | N/A | 405.6 | 512 | SGI |
| 78 | SP Power3 375 MHz | 360 | N/A | 371 | 540 | IBM |
| 81 | AlphaServer SC40, 833 MHz | 256 | N/A | 344.1 | 426.5 | HP |
| 83 | AlphaServer SC40, 833 MHz | 256 | N/A | 344.1 | 426.5 | HP |
| 85 | T3E900 | 540 | N/A | 341 | 486 | Cray Inc. |
| 87 | SP Power3 375 MHz | 322 | N/A | 330 | 483 | IBM |
| 88 | SP Power3 375 MHz | 320 | N/A | 327 | 480 | IBM |
| 91 | ORIGIN 3000 400 MHz | 512 | N/A | 315.5 | 409.6 | SGI |
| 92 | ORIGIN 3000 400 MHz | 512 | N/A | 315.5 | 409.6 | SGI |
| 93 | ORIGIN 3000 400 MHz | 512 | N/A | 315.5 | 409.6 | SGI |
| 94 | ORIGIN 3000 400 MHz | 512 | N/A | 315.5 | 409.6 | SGI |
| 95 | ORIGIN 3000 400 MHz | 512 | N/A | 315.5 | 409.6 | SGI |
| 96 | ORIGIN 3000 400 MHz | 512 | N/A | 315.5 | 409.6 | SGI |
| 97 | SP Power3 222 MHz | 512 | N/A | 307.6 | 454.6 | IBM |
| 100 | ORIGIN 2000 400 MHz | 512 | N/A | 300.2 | 409.6 | SGI |
| 102 | SP Power3 375 MHz | 290 | N/A | 295 | 435 | IBM |
| 103 | Precision 530 Cluster XEON 1.7 GHz | 256 | N/A | 288.9 | 435.2 | Dell |
| 104 | SP Power3 375 MHz | 284 | N/A | 288 | 426 | IBM |
| 106 | Netfinity Cluster PIII 933 MHz - Myrinet | 520 | N/A | 285 | 485.16 | IBM |
| 108 | SP Power3 375 MHz 16 way | 256 | N/A | 278 | 384 | IBM |
| 110 | ORIGIN 2000 195/250 MHz | 1024 | N/A | 264.9 | 327.68 | SGI |
| 111 | AlphaServer SC ES40/EV67 | 256 | N/A | 263.6 | 341.33 | HP |
| 112 | AlphaServer SC ES40/EV67 | 256 | N/A | 263.6 | 341.33 | HP |
| 115 | SP Power3 375 MHz | 256 | N/A | 257 | 384 | IBM |
| 121 | ORIGIN 2000 300 MHz | 512 | N/A | 241.4 | 307.2 | SGI |
| 125 | LosLobos | 512 | N/A | 237 | 375.3 | IBM |
| 126 | T3E1200 | 284 | N/A | 235 | 340.8 | Cray Inc. |
| 127 | T3E | 540 | N/A | 234 | 324 | Cray Inc. |
| 132 | SGI 750 Cluster Itanium 733 MHz | 128 | N/A | 226 | 375.29 | SGI |
| 134 | SP Power3 375 MHz | 224 | N/A | 226 | 336 | IBM |
| 147 | SP Power3 375 MHz | 200 | N/A | 203 | 300 | IBM |
| 148 | SuperDome/HyperPlex | 128 | N/A | 196.7 | 281.6 | HP |
| 149 | SuperDome/HyperPlex | 128 | N/A | 196.7 | 281.6 | HP |
| 151 | SuperDome/HyperPlex | 128 | N/A | 196.7 | 281.6 | HP |
| 152 | SuperDome/HyperPlex | 128 | N/A | 196.7 | 281.6 | HP |
| 160 | SuperDome/HyperPlex | 128 | N/A | 196.7 | 281.6 | HP |
| 163 | SuperDome/HyperPlex | 128 | N/A | 196.7 | 281.6 | HP |
| 164 | SuperDome/HyperPlex | 128 | N/A | 196.7 | 281.6 | HP |
| 167 | SuperDome/HyperPlex | 128 | N/A | 196.2 | 281.6 | HP |
| 170 | SuperDome/HyperPlex | 128 | N/A | 195.8 | 281.6 | HP |
| 171 | SuperDome/HyperPlex | 128 | N/A | 195.8 | 281.6 | HP |
| 172 | SuperDome/HyperPlex | 128 | N/A | 195.8 | 281.6 | HP |
| 180 | SP Power3 375 MHz | 192 | N/A | 195 | 288 | IBM |
| 182 | V2500/HyperPlex | 320 | N/A | 189.3 | 563.2 | HP |
| 187 | SP PC604e 332 MHz | 440 | N/A | 181 | 292.1 | IBM |
| 188 | SP P2SC 120/135 MHz | 512 | N/A | 180.906 | 248.32 | IBM |
| 189 | IBM x330 Cluster PIII 1GHz | 586 | N/A | 179.2 | 586 | IBM |
| 191 | SP Power3 375 MHz | 174 | N/A | 177 | 261 | IBM |
| 195 | SP Power3 375 MHz | 168 | N/A | 171 | 252 | IBM |
| 197 | PowerEdge Cluster PIII 1 GHz - Fast Eth | 512 | N/A | 169.4 | 512 | Dell |
| 198 | T3E900 | 268 | N/A | 169 | 241.2 | Cray Inc. |
| 199 | T3E900 | 268 | N/A | 169 | 241.2 | Cray Inc. |
| 204 | SP Power3 375 MHz | 160 | N/A | 164 | 240 | IBM |
| 205 | SP Power3 375 MHz | 160 | N/A | 164 | 240 | IBM |
| 206 | SP Power3 375 MHz | 160 | N/A | 164 | 240 | IBM |
| 207 | ORIGIN 3000 400 MHz | 256 | N/A | 163.5 | 204.8 | SGI |
| 208 | ORIGIN 3000 400 MHz | 256 | N/A | 163.5 | 204.8 | SGI |
| 209 | ORIGIN 3000 400 MHz | 256 | N/A | 163.5 | 204.8 | SGI |
| 210 | ORIGIN 3000 400 MHz | 256 | N/A | 163.5 | 204.8 | SGI |
| 211 | SP PC604e 332 MHz | 396 | N/A | 163 | 262.8 | IBM |
| 212 | SP PC604e 332 MHz | 392 | N/A | 162 | 260.2 | IBM |
| 213 | SP PC604e 332 MHz | 392 | N/A | 162 | 260.2 | IBM |
| 215 | SP Power3 375 MHz | 156 | N/A | 160 | 234 | IBM |
| 216 | SP Power3 375 MHz | 156 | N/A | 160 | 234 | IBM |
| 217 | ORIGIN 3000 500 MHz | 192 | N/A | 158 | 192 | SGI |
| 218 | ORIGIN 3000 500 MHz | 192 | N/A | 158 | 192 | SGI |
| 221 | ORIGIN 2000 | 512 | N/A | 152 | 199.68 | SGI |
| 222 | ORIGIN 3000 400 MHz - Eth-Cluster | 896 | N/A | 151.2 | 716.8 | SGI |
| 227 | SuperDome/HyperPlex | 96 | N/A | 148.8 | 211.2 | HP |
| 234 | SuperDome/HyperPlex | 96 | N/A | 148.8 | 211.2 | HP |
| 235 | SuperDome/HyperPlex | 96 | N/A | 148.8 | 211.2 | HP |
| 236 | SP Power3 375 MHz | 144 | N/A | 148 | 216 | IBM |
| 238 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 239 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 240 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 241 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 242 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 243 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 244 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 245 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 246 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 250 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 251 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 252 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 253 | SuperDome/HyperPlex | 96 | N/A | 147.1 | 211.2 | HP |
| 254 | Netfinity Cluster PIII 1 GHz - Myrinet | 256 | N/A | 147 | 256 | IBM |
| 267 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 269 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 270 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 271 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 272 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 275 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 276 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 277 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 278 | HPC 10000 400 MHz Cluster | 256 | N/A | 137.1 | 204.8 | Sun |
| 279 | SP Power3 375 MHz | 132 | N/A | 136 | 198 | IBM |
| 281 | SP PC604e 332 MHz | 320 | N/A | 133 | 212.4 | IBM |
| 282 | SP PC604e 332 MHz | 320 | N/A | 133 | 212.4 | IBM |
| 286 | SP Power3 375 MHz | 128 | N/A | 132 | 192 | IBM |
| 288 | SP Power3 375 MHz | 128 | N/A | 132 | 192 | IBM |
| 289 | SP Power3 375 MHz | 128 | N/A | 132 | 192 | IBM |
| 291 | PowerEdge Cluster PIII 1 GHz Fast Eth | 400 | N/A | 131 | 400 | Dell |
| 293 | SP Power3 375 MHz | 124 | N/A | 128 | 186 | IBM |
| 302 | SP Power3 200 MHz | 212 | N/A | 124.4 | 169.6 | IBM |
| 305 | SP Power3 375 MHz | 120 | N/A | 124 | 180 | IBM |
| 306 | SP Power3 375 MHz | 120 | N/A | 124 | 180 | IBM |
| 309 | V2500/HyperPlex | 160 | N/A | 123.3 | 281.6 | HP |
| 313 | HPC 420 400 MHz Cluster | 180 | N/A | 121.9 | 144 | Sun |
| 314 | N4000 550 MHz/HyperPlex | 176 | N/A | 121.6 | 387.2 | HP |
| 320 | Dell PowerEdge Cluster Windows 2000 | 252 | N/A | 120.7 | 252 | Dell |
| 322 | SP Power3 375 MHz | 116 | N/A | 120 | 174 | IBM |
| 324 | SP Power3 375 MHz | 116 | N/A | 120 | 174 | IBM |
| 328 | HPC 10000 400 MHz Cluster | 192 | N/A | 118.16 | 153.6 | Sun |
| 329 | HPC 10000 400 MHz Cluster | 192 | N/A | 118.16 | 153.6 | Sun |
| 331 | HPC 10000 400 MHz Cluster | 192 | N/A | 118.16 | 153.6 | Sun |
| 334 | HPC 10000 400 MHz Cluster | 192 | N/A | 118.1 | 153.6 | Sun |
| 337 | T3E | 268 | N/A | 117 | 160.8 | Cray Inc. |
| 340 | T3E | 268 | N/A | 117 | 160.8 | Cray Inc. |
| 342 | SP Power3 375 MHz | 112 | N/A | 116 | 168 | IBM |
| 344 | SP Power3 375 MHz | 112 | N/A | 116 | 168 | IBM |
| 345 | SP Power3 375 MHz | 112 | N/A | 116 | 168 | IBM |
| 352 | T3E1350 | 148 | N/A | 113.9 | 199.8 | Cray Inc. |
| 353 | T3E1350 | 132 | N/A | 113.9 | 178.2 | Cray Inc. |
| 354 | SP PC604e 332 MHz | 268 | N/A | 112 | 177.9 | IBM |
| 358 | SP Power3 375 MHz | 108 | N/A | 112 | 162 | IBM |
| 363 | ORIGIN 2000 300 MHz - Eth-Cluster | 384 | N/A | 109.5 | 230.4 | SGI |
| 370 | T3E900 | 172 | N/A | 107 | 154.8 | Cray Inc. |
| 373 | ORIGIN 3000 500 MHz | 128 | N/A | 106.9 | 128 | SGI |
| 374 | V2500/HyperPlex | 128 | N/A | 106.1 | 225.28 | HP |
| 378 | SP Power3 375 MHz | 100 | N/A | 104 | 150 | IBM |
| 379 | SP Power3 375 MHz | 100 | N/A | 104 | 150 | IBM |
| 382 | SP Power3 375 MHz | 100 | N/A | 104 | 150 | IBM |
| 384 | SP Power3 375 MHz 16 way | 96 | N/A | 104 | 144 | IBM |
| 385 | SP PC604e 332 MHz | 246 | N/A | 103 | 163.34 | IBM |
| 386 | N4000 550 MHz/HyperPlex | 144 | N/A | 102.8 | 316.8 | HP |
| 391 | ORIGIN 2000 250 MHz | 256 | N/A | 101.4 | 128 | SGI |
| 393 | T3D MC1024-8 | 1024 | N/A | 100.5 | 153.6 | Cray Inc. |
| 394 | SP Power3 375 MHz | 96 | N/A | 100 | 144 | IBM |
| 395 | SP Power3 375 MHz | 96 | N/A | 100 | 144 | IBM |
| 398 | SP Power3 375 MHz | 96 | N/A | 100 | 144 | IBM |
| 399 | SP Power3 375 MHz | 96 | N/A | 100 | 144 | IBM |
| 400 | SP Power3 375 MHz | 96 | N/A | 100 | 144 | IBM |
| 403 | SP Power3 375 MHz | 96 | N/A | 100 | 144 | IBM |
| 404 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 406 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 407 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 409 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 410 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 411 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 415 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 416 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 417 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 421 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 422 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 423 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 424 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 425 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 427 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 428 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 429 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 430 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 431 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 434 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 438 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 439 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 442 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 443 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 444 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 446 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 447 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 448 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 452 | SuperDome | 64 | N/A | 99.9 | 140.8 | HP |
| 455 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 457 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 462 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 466 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 467 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 476 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 480 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 481 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 486 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 487 | SuperDome/HyperPlex | 64 | N/A | 99.2 | 140.8 | HP |
| 492 | SP Power3 375 MHz | 94 | N/A | 98.2 | 141 | IBM |
| 493 | SP PC604e 332 MHz | 232 | N/A | 98 | 154.04 | IBM |
| 500 | T3E1200 | 116 | N/A | 94.3 | 139.2 | Cray Inc. |