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In June 2003, 247 systems appeared in the TOP500 list.

Rank System Procs Memory(GB) Rmax (GFlops) Rpeak (GFlops) Vendor
2 ASCI Q - AlphaServer SC45, 1.25 GHz 8192 N/A 13880 20480 HP
3 MCR Linux Cluster Xeon 2.4 GHz - Quadrics 2304 N/A 7634 11060 Linux Networx/Quadrics
4 ASCI White, SP Power3 375 MHz 8192 N/A 7304 12288 IBM
5 Seaborg
SP Power3 375 MHz 16 way		 6656 N/A 7304 9984 IBM
6 xSeries Cluster Xeon 2.4 GHz - Quadrics 1920 N/A 6586 9216 IBM/Quadrics
8 Cluster Platform 6000 rx2600 Itanium2 1 GHz Cluster - Quadrics 1540 N/A 4881 6160 HP
9 AlphaServer SC45, 1 GHz 3016 N/A 4463 6032 HP
11 Aspen Systems, Dual Xeon 2.2 GHz - Myrinet2000 1536 N/A 3337 6758 HPTi
13 pSeries 690 Turbo 1.3GHz 1216 N/A 3164 6323 IBM
14 pSeries 690 Turbo 1.3GHz 1184 N/A 3160 6156.8 IBM
17 ASCI Red 9632 N/A 2379 3207 Intel
18 pSeries 690 Turbo 1.3GHz 864 N/A 2310 4492.8 IBM
19 SuperMike
P4 Xeon 1.8 GHz - Myrinet		 1024 N/A 2207 3686.4 Atipa
20 AlphaServer SC45, 1 GHz 1392 N/A 2164 2784 HP
21 ASCI Blue-Pacific SST, IBM SP 604e 5808 N/A 2144 3856.5 IBM
22 pSeries 690 Turbo 1.3GHz 800 N/A 2140 4160 IBM
25 Joplin
PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Myrinet		 600 N/A 2004 2880 Dell
26 pSeries 690 Turbo 1.3GHz 704 N/A 1849 3660.8 IBM
27 pSeries 690 Turbo 1.3GHz 704 N/A 1849 3660.8 IBM
30 ASCI Blue Mountain 6144 N/A 1608 3072 SGI
31 TeraGrid Cluster Itanium 2 1 GHz - Myrinet 512 N/A 1593 2048 IBM
32 Vplant Cluster P4 XEON 2.4/2.0 GHz - Myrinet 660 N/A 1504 2963 Dell
34 SP Power3 375 MHz 1336 N/A 1417 2004 IBM
37 SP Power3 375 MHz 16 way 1260 N/A 1382 1890 IBM
39 SP Power3 375 MHz 16 way 1088 N/A 1193 1632 IBM
41 SP Power3 375 MHz 1104 N/A 1179 1656 IBM
43 pSeries 690 1.1GHz 512 N/A 1170 2253 IBM
44 T3E1200 1900 N/A 1166 2280 Cray Inc.
45 T3E1200/900 1792 N/A 1166 1999 Cray Inc.
46 Cluster Platform 6000 rx5670 Itanium2 900 MHz Cluster - GigE 545 N/A 1090 1962 HP
48 PowerEdge 1750, P4 Xeon 3.06 GHz, GigE 1024 N/A 1068 6266.88 Dell
49 PowerEdge 2650 Cluster P4 Xeon 2.4 GHz/MSWindows - GigE 384 N/A 1068 1843.2 Dell
50 AVIDD-B+AVIDD-I - xSeries Cluster Xeon 2.4 GHz - Myrinet&Force10 384 N/A 1058 1843 IBM
52 pSeries 690 Turbo 1.3GHz 384 N/A 1038 1996.8 IBM
55 Netfinity Cluster P4 Xeon 2 GHz - Myrinet 512 N/A 1028 2048 IBM
57 Jazz
LCRC Xeon 2.4 GHz - Myrinet		 361 N/A 1007 1732.8 LNXI
59 CPlant/Ross Cluster 1800 N/A 996.9 1782.5 Self-made
62 SP Power3 375 MHz 8 way 1152 N/A 929 1728 IBM
65 xSeries Cluster Xeon 2.4 GHz - Gig-E 1048 N/A 894.9 5030.4 IBM
68 xSeries Cluster Xeon 2.4 GHz - Gig-E 880 N/A 894.9 4224 IBM
69 T3E1200 1084 N/A 892 1300.8 Cray Inc.
70 SP Power3 375 MHz 16 way 812 N/A 891 1218 IBM
71 pSeries 690 Turbo 1.3GHz 320 N/A 887.3 1664 IBM
72 LION-XL
PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Quadrics		 256 N/A 877.9 1228.8 Dell
74 emerald
AlphaServer SC45, 1 GHz		 512 N/A 862.2 1024 HP
75 AlphaServer SC45, 1 GHz 512 N/A 862.2 1024 HP
76 AlphaServer SC45, 1 GHz 512 N/A 862.2 1024 HP
77 ORIGIN 3000 600 MHz 1024 N/A 852.9 1228.8 SGI
78 Grendels
Grendels P4 Cluster 2.4 GHz - Myrinet		 252 N/A 840.5 1209.6 LNXI
81 T3E900 1324 N/A 815 1191.6 Cray Inc.
82 TeraGrid Cluster Itanium 2 1 GHz - Myrinet 252 N/A 798.3 1008 IBM
83 SP Power3 375 MHz 768 N/A 795 1152 IBM
84 AMD AthlonMP Cluster 1.65 GHz 512 N/A 794 1690 Self-made
87 Cluster Platform 6000 zx6000 Itanium2 900 MHz, Myrinet 256 N/A 761.9 921.6 HP
88 Space Simulator, P4 2.53 GHz - GigEth 288 N/A 757.1 1457 Self-made
89 pSeries 690 Turbo 1.3GHz 264 N/A 755 1372.8 IBM
90 SP Power3 375 MHz 720 N/A 741 1080 IBM
91 pSeries 690 Turbo 1.3GHz 256 N/A 736.6 1331.2 IBM
92 pSeries 690 Turbo 1.3GHz 256 N/A 736.6 1331.2 IBM
97 SP Power3 375 MHz 704 N/A 723 1056 IBM
99 pSeries 690 Turbo 1.3GHz GigEth 384 N/A 708 1996.8 IBM
100 Longhorn
pSeries p690/p655 1.3GHz		 224 N/A 704.8 1164.8 IBM
102 ORIGIN 2000 250 MHz 2048 N/A 690.9 1024 SGI
103 AlphaServer SC40, 833 MHz 512 N/A 690.9 853 HP
105 xSeries Cluster Xeon 2.4 GHz - Myrinet 256 N/A 682.6 1228.8 IBM
107 Demeter - P4 Xeon 2.6 Ghz - Myrinet 240 N/A 680.3 1248 Linux Labs
108 pSeries 690 Turbo 1.3GHz 240 N/A 680 1248 IBM
109 pSeries 690 Turbo 1.3GHz 240 N/A 680 1248 IBM
110 pSeries 690 Turbo 1.3GHz 240 N/A 680 1248 IBM
111 Titan Cluster Itanium 800 MHz 320 N/A 677.9 1024 IBM
112 Cray X1 60 N/A 675.5 768 Cray Inc.
113 Cray X1 60 N/A 675.5 768 Cray Inc.
114 Cray X1 60 N/A 675.5 768 Cray Inc.
115 Cray X1 60 N/A 675.5 768 Cray Inc.
116 Cray X1 60 N/A 675.5 768 Cray Inc.
117 Cray X1 60 N/A 675.5 768 Cray Inc.
118 Cray X1 60 N/A 675.5 768 Cray Inc.
119 P4 Xeon Cluster 2.4 GHz - Myrinet 256 N/A 671.3 1228.8 Self-made
123 PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - GigE 264 N/A 650 1267.2 Dell
127 pSeries 690 Turbo 1.3GHz 224 N/A 623.9 1164.8 IBM
128 pSeries 690 1.1GHz 256 N/A 623 1126.4 IBM
129 PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - GigE 256 N/A 618.3 1228.8 Dell
130 PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - GigE 256 N/A 618.3 1228.8 Dell
134 P4 Xeon Cluster 2 GHz - Myrinet 270 N/A 606.9 1080 Aspen
135 Netfinity Cluster PIII 1 GHz - Myrinet 1024 N/A 594 1024 IBM
136 pSeries 690 Turbo 1.3GHz 208 N/A 591 1081.6 IBM
139 SP Power3 375 MHz 16 way 528 N/A 579 792 IBM
141 1200X P4 Xeon 2.2 GHz - Myrinet 256 N/A 575 1126.4 Appro
145 SP Power3 375 MHz 16 way 520 N/A 570 780 IBM
150 SP Power3 375 MHz 16 way 512 N/A 561 768 IBM
154 SP Power3 375 MHz 528 N/A 553 792 IBM
155 ORIGIN 3000 700 MHz 512 N/A 553 716.8 SGI
156 ORIGIN 3000 700 MHz 512 N/A 553 716.8 SGI
157 ORIGIN 3000 700 MHz 512 N/A 553 716.8 SGI
158 ORIGIN 3000 700 MHz 512 N/A 553 716.8 SGI
159 ORIGIN 3000 700 MHz 512 N/A 553 716.8 SGI
161 xSeries Cluster Xeon 2.4 GHz - Gig-E 520 N/A 551.2 2496 IBM
162 AMD AthlonMP Cluster 1.667 GHz - Myrinet 256 N/A 550 853.5 Atipa
163 SP Power3 375 MHz 520 N/A 546 780 IBM
165 xSeries Cluster Xeon 2.4 GHz - Gig-E 512 N/A 540.2 2457.6 IBM
166 AlphaServer SC45, 1 GHz 324 N/A 540 648 HP
167 ASCI Q - AlphaServer SC45, 1.25 GHz 256 N/A 538.4 640 HP
169 SP Power3 375 MHz 508 N/A 534 762 IBM
171 SuperDome 875 MHz/HyperPlex 256 N/A 530.5 896 HP
176 SuperDome 875 MHz/HyperPlex 256 N/A 530.5 896 HP
177 SuperDome 875 MHz/HyperPlex 256 N/A 529.6 896 HP
182 SuperDome 875 MHz/HyperPlex 256 N/A 517 896 HP
184 SP Power3 375 MHz 488 N/A 512 732 IBM
185 Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet 128 N/A 511 716.8 HP
186 AlphaServer SC ES40/EV67 512 N/A 507.6 682.66 HP
187 AlphaServer SC ES40/EV67 512 N/A 507.6 682.66 HP
194 pSeries 690 Turbo 1.3GHz GigEth 200 N/A 493 1040 IBM
196 SP Power3 375 MHz 16 way 448 N/A 491 672 IBM
198 Cluster Platform 6000 zx6000 Itanium2 900 MHz, Myrinet 174 N/A 487.2 626.4 HP
199 Prairiefire AMD 1.8 GHz - Myrinet 256 N/A 483.4 920.6 Atipa
205 xSeries Cluster Xeon 2.4 GHz - Gig-E 392 N/A 475.6 1881.6 IBM
208 SuperDome 750 MHz/HyperFabric 256 N/A 470.9 768 HP
209 ASCI Blue-Pacific CTR, IBM SP 604e 1344 N/A 468.2 892.4 IBM
213 pSeries 690 Turbo 1.3GHz 160 N/A 468 832 IBM
214 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
215 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
216 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
217 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
218 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
219 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
220 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
221 ORIGIN 3000 600 MHz 512 N/A 466 614.4 SGI
223 xSeries Cluster Xeon 2.8 GHz - Myrinet 128 N/A 450 716.8 IBM
226 SuperDome 750 MHz/HyperPlex 256 N/A 449.4 768 HP
229 T3E1200 540 N/A 447 648 Cray Inc.
230 T3E1200 540 N/A 447 648 Cray Inc.
231 T3E1200 540 N/A 447 648 Cray Inc.
236 SuperDome 750 MHz/HyperPlex 256 N/A 432.6 768 HP
237 SuperDome 750 MHz/HyperPlex 224 N/A 431.7 672 HP
238 pSeries 690 Turbo 1.3GHz GigEth 176 N/A 430 915.2 IBM
240 PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Myrinet 128 N/A 421.9 614.4 Dell
241 SuperDome 875 MHz/HyperPlex 192 N/A 421 672 HP
244 SuperDome 875 MHz/HyperPlex 192 N/A 421 672 HP
249 SuperDome 875 MHz/HyperPlex 192 N/A 421 672 HP
250 SuperDome 875 MHz/HyperPlex 192 N/A 421 672 HP
252 HPC 4500 400 MHz Cluster 896 N/A 420.44 716.8 Sun
253 HPC 4500 400 MHz Cluster 896 N/A 420.44 716.8 Sun
254 HPC 4500 400 MHz Cluster 896 N/A 420.44 716.8 Sun
255 SuperDome 875 MHz/HyperPlex 192 N/A 418.1 672 HP
257 SuperDome 875 MHz/HyperPlex 192 N/A 418.1 672 HP
259 SuperDome 875 MHz/HyperPlex 192 N/A 418.1 672 HP
261 SuperDome 875 MHz/HyperPlex 192 N/A 412.7 672 HP
263 SuperDome 875 MHz/HyperPlex 192 N/A 412.7 672 HP
264 ORIGIN 3000 600 MHz 448 N/A 410.8 537.6 SGI
265 SuperDome 875 MHz/HyperPlex 192 N/A 408.2 672 HP
267 SuperDome 875 MHz/HyperPlex 192 N/A 408.2 672 HP
269 SuperDome 875 MHz/HyperPlex 192 N/A 408.2 672 HP
272 SuperDome 875 MHz/HyperPlex 192 N/A 408.2 672 HP
276 SuperDome 875 MHz/HyperPlex 192 N/A 408.2 672 HP
279 ORIGIN 3000 500 MHz 512 N/A 405.6 512 SGI
280 ORIGIN 3000 500 MHz 512 N/A 405.6 512 SGI
282 ORIGIN 3000 500 MHz 512 N/A 405.6 512 SGI
283 ORIGIN 3000 500 MHz 512 N/A 405.6 512 SGI
286 xSeries Cluster Xeon 2.4 GHz - Gig-E 260 N/A 404.6 1248 IBM
287 Cray X1 36 N/A 404.3 460.8 Cray Inc.
293 pSeries 690 1.1GHz 160 N/A 396 704 IBM
296 pSeries 690 Turbo 1.3GHz GigEth 160 N/A 389 832 IBM
300 Altix 3700 1 GHz 128 N/A 378.9 512 SGI
304 Altix 3700 900 MHz 128 N/A 378.9 460.8 SGI
305 Altix 3700 900 MHz 128 N/A 378.9 460.8 SGI
308 SuperDome/HyperPlex 256 N/A 378.6 563.2 HP
309 SuperDome/HyperPlex 256 N/A 378.6 563.2 HP
311 pSeries 690 Turbo 1.3GHz 128 N/A 378.2 665.6 IBM
315 Netfinity Cluster PIII 1/1.26 GHz - Eth 1024 N/A 366 1144 IBM
317 PowerEdge 2650 Cluster P4 Xeon 2.8 GHz - Fast Ethernet 770 N/A 363.4 4312 Dell
318 PowerEdge 2650 Cluster P4 Xeon 2.8 GHz - Fast Ethernet 576 N/A 363.4 3225.6 Dell
319 SuperDome 750 MHz/HyperPlex 192 N/A 361.4 576 HP
320 SuperDome 750 MHz/HyperPlex 192 N/A 361.4 576 HP
325 SuperDome 750 MHz/HyperPlex 192 N/A 361.4 576 HP
326 SuperDome 750 MHz/HyperPlex 192 N/A 361.4 576 HP
327 SuperDome 750 MHz/HyperPlex 192 N/A 361.4 576 HP
329 SuperDome 750 MHz/HyperPlex 192 N/A 358.5 576 HP
332 SuperDome 750 MHz/HyperPlex 192 N/A 358.5 576 HP
338 OSC BALE Cluster
AMD Athlon 1.4/1.53 GHz - Myrinet		 252 N/A 355.7 744.2 Self-made
343 SuperDome 875 MHz/HyperPlex 160 N/A 351.1 560 HP
344 SuperDome 875 MHz/HyperPlex 160 N/A 351.1 560 HP
345 SuperDome 875 MHz/HyperPlex 160 N/A 351.1 560 HP
350 Cluster Platform 6000 rx2600, Itanium2 900 MHz, Infiniband 128 N/A 351 460.8 HP
351 Cluster Platform 6000 rx2600 Itanium2 900 MHz Cluster - Quadrics 118 N/A 350.7 424.8 HP
354 AlphaServer SC40, 833 MHz 256 N/A 349.9 426.5 HP
355 Evolocity (TM) Xeon 2.4 GHz - Myrinet 128 N/A 347 614.4 LNXI
359 T3E900 540 N/A 341 486 Cray Inc.
361 Integrity Superdome, 1.5 GHz, HPlex 64 N/A 335 384 HP
362 Integrity Superdome, 1.5 GHz, HPlex 64 N/A 335 384 HP
364 pSeries 690 Turbo 1.3GHz 112 N/A 330 582.4 IBM
365 pSeries 690 Turbo 1.3GHz 112 N/A 330 582.4 IBM
366 SP Power3 375 MHz 322 N/A 330 483 IBM
367 PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - GigE 200 N/A 327.9 960 Dell
368 SP Power3 375 MHz 320 N/A 327 480 IBM
370 Netfinity Cluster PIII 1.13 GHz - Eth 1040 N/A 326 1175 IBM
375 AMD Athlon MP 1.8 GHz - Appro nodes/Dolphin 2D SCI 162 N/A 323.9 583.2 Self-made
380 Cray X1 28 N/A 318.1 358.4 Cray Inc.
381 xSeries Cluster Xeon 2.2 GHz - Gig-E 216 N/A 318 950.4 IBM
383 ORIGIN 3000 400 MHz 512 N/A 315.5 409.6 SGI
384 ORIGIN 3000 400 MHz 512 N/A 315.5 409.6 SGI
385 ORIGIN 3000 400 MHz 512 N/A 315.5 409.6 SGI
386 ORIGIN 3000 400 MHz 512 N/A 315.5 409.6 SGI
387 ORIGIN 3000 400 MHz 512 N/A 315.5 409.6 SGI
388 ORIGIN 3000 400 MHz 512 N/A 315.5 409.6 SGI
389 pSeries 690 1.1GHz GigEth 160 N/A 315 704 IBM
392 pSeries 690 Turbo 1.3GHz 104 N/A 308 540.8 IBM
393 SP Power3 222 MHz 512 N/A 307.6 454.6 IBM
394 pSeries 690 Turbo 1.3GHz GigEth 128 N/A 306.4 665.6 IBM
395 ORIGIN 3000 500 MHz 384 N/A 306.3 384 SGI
396 ORIGIN 3000 500 MHz 384 N/A 306.3 384 SGI
400 Upsand
RS1100 AMD 1.4 GHz - Dolphin		 264 N/A 301.8 739.2 Verari
401 ORIGIN 2000 400 MHz 512 N/A 300.2 409.6 SGI
403 pSeries 690 Turbo 1.3GHz GigEth 124 N/A 299 644.8 IBM
404 SuperDome 750 MHz/HyperPlex 144 N/A 296.2 432 HP
406 Evolocity (TM) Xeon 2.4 GHz - Fast Ethernet 240 N/A 295.9 1152 LNXI
407 SP Power3 375 MHz 290 N/A 295 435 IBM
408 SuperDome 750 MHz/HyperPlex 160 N/A 294.3 480 HP
411 Netfinity Cluster PIII 1 GHz - Eth 1040 N/A 289 1040 IBM
415 SP Power3 375 MHz 284 N/A 288 426 IBM
421 SuperDome 875 MHz/HyperPlex 128 N/A 286 448 HP
424 TeraGrid Cluster Itanium 2 1 GHz - Myrinet 92 N/A 286 368 IBM
426 COMPAS-ECCO meta cluster, PIII 1 GHz, Myrinet, Rocks 480 N/A 285.9 480 IBM
429 SuperDome 875 MHz/HyperPlex 128 N/A 285.8 448 HP
433 SuperDome 875 MHz/HyperPlex 128 N/A 285.8 448 HP
437 Netfinity Cluster PIII 933 MHz - Myrinet 520 N/A 285 485.16 IBM
443 ORIGIN 3000 500 MHz 332 N/A 282 332 SGI
444 BoB
Precision 530 Cluster - 1.7 GHz - GigEth		 208 N/A 280.5 707.2 Dell
445 ORIGIN 3000 700 MHz 256 N/A 279.9 358 SGI
446 ORIGIN 3000 700 MHz 256 N/A 279.9 358 SGI
447 ORIGIN 3000 700 MHz 256 N/A 279.9 358 SGI
448 ORIGIN 3000 700 MHz 256 N/A 279.9 358 SGI
450 pSeries 690 Turbo 1.3GHz GigEth 112 N/A 279 582.4 IBM
455 pSeries 690 1.1GHz GigEth 138 N/A 277 607.2 IBM
457 xSeries Cluster Xeon 2.4 GHz - Gig-E 128 N/A 274 614.4 IBM
460 ORIGIN 2000 195/250 MHz 1024 N/A 264.9 327.68 SGI
461 AlphaServer SC ES40/EV67 256 N/A 263.6 341.33 HP
462 AlphaServer SC ES40/EV67 256 N/A 263.6 341.33 HP
464 rp8400 750 MHz/HyperFabric 128 N/A 261.1 384 HP
466 pSeries 690 1.1GHz 104 N/A 260 457.6 IBM
467 SP Power3 375 MHz 256 N/A 257 384 IBM
471 SuperDome 750 MHz/HyperFabric 128 N/A 254.9 384 HP
475 pSeries 690 Turbo 1.3GHz GigEth 96 N/A 253.2 499.2 IBM
476 pSeries 690 Turbo 1.3GHz GigEth 96 N/A 253.2 499.2 IBM
477 pSeries 690 Turbo 1.3GHz GigEth 96 N/A 253.2 499.2 IBM
478 pSeries 690 Turbo 1.3GHz GigEth 96 N/A 253.2 499.2 IBM
482 P4 Xeon Cluster 2.0 GHz - Myrinet 96 N/A 246.7 384 Self-made
500 SuperDome 750 MHz/HyperPlex 128 N/A 245.1 384 HP