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TOP500 List - June 2007

R_max and R_peak values are in TFlop/s. For more details about other fields, check the TOP500 description.

R_peak values are calculated using the advertised clock rate of the CPU. For the efficiency of the systems you should take into account the Turbo CPU clock rate where it applies.

Rank	System	Cores	Rmax (TFlop/s)	Rpeak (TFlop/s)	Power (kW)
401	Altix 4700 1.6 GHz, HPE NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States	768	4.60	4.92
402	Altix 4700 1.6 GHz, HPE NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States	768	4.60	4.92
403	Altix 4700 1.6 GHz, HPE RQCHP Canada	768	4.60	4.92
404	SR11000-K1/40, Hitachi Hokkaido University Japan	40	4.60	5.38
405	Cray XT3, 2.4 GHz, Cray/HPE Army High Performance Computing Research Center United States	1,152	4.59	5.53
406	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Financial Institution (S2) Spain	588	4.59	7.06
407	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE IIS United States	1,336	4.58	6.95
408	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE IIS United States	1,336	4.58	6.95
409	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Wells Fargo United States	1,280	4.58	8.19
410	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Wells Fargo United States	1,280	4.58	8.19
411	eServer pSeries p5 575 1.9 GHz, IBM Max-Planck-Gesellschaft MPI/IPP Germany	688	4.56	5.23	112
412	Turing - XServe G5 2GHz, Myrinet, Self-made University of Illinois United States	1,024	4.56	8.19
413	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, Infiniband, IBM Georgia Institute of Technology United States	1,024	4.55	10.92	95
414	Fire x8400 2.6 Ghz Opteron, Infiniband, Oracle Sun Project Blackbox United States	1,088	4.55	5.66
415	SSC/HPC - x8400 - Fire x8400 2.6 Ghz Opteron, Infiniband, Oracle Sun Solution Center for HPC United States	1,088	4.55	5.66
416	PRIMEPOWER HPC2500 (1.56 GHz), Fujitsu Kyoto University Japan	1,472	4.55	9.19
417	MIPT-60 - Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Myrinet, ISP RAS Moscow Institute of Physics and Technology Russia	544	4.53	6.53
418	Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux, NEC/Sun National Institute for Space Research/CPTEC Brazil	1,100	4.51	5.72
419	Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux, Oracle DKRZ - Deutsches Klimarechenzentrum Germany	1,088	4.51	5.66
420	Naos - eServer pSeries p5 575 1.9 GHz, IBM Environment Canada Canada	688	4.49	5.23	112
421	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE IT Services Provider (C) Sweden	576	4.49	6.91
422	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Bank (K) Belgium	1,300	4.49	8.32
423	Corvus - SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband, HPE South Australian Partnership for Advanced Computing (SAPAC) Australia	544	4.47	5.80
424	Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet, HPE aQuantive Inc United States	736	4.46	6.87
425	AlphaServer SC45, 1 GHz, HPE Pittsburgh Supercomputing Center United States	3,016	4.46	6.03
426	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Jeraisy Computer and Communication Services Saudi Arabia	572	4.46	6.86
427	SuperDome 1.1 GHz/HyperPlex, HPE SBM Gates Arrow Com. United States	1,912	4.46	8.41
428	SuperDome 1.1 GHz/HyperPlex, HPE SBM Gates Arrow Com. United States	1,912	4.46	8.41
429	SSC_x2200M2 - Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux, Oracle Sun Solution Center for HPC United States	1,024	4.44	5.32
430	SuperDome HyperPlex, HPE Digital China Ltd. China	2,048	4.42	8.19
431	Cluster Platform 4000 BL465c Opteron Dual Core 2.6 GHz Infiniband, HPE Semiconductor Company (M) United States	1,104	4.42	5.74
432	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet, HPE ARC Espana Spain	636	4.41	6.78
433	CX1 - PowerEdge 1955, 2.66 GHz, Gigabit/10G Infiniband, DELL Imperial College ICT HPC United Kingdom	1,680	4.40	17.92
434	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Right Media Inc United States	1,280	4.39	6.66
435	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Right Media Inc United States	1,280	4.39	6.66
436	eServer pSeries 655 (1.7 GHz Power4+), IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,152	4.38	7.83
437	eServer pSeries 655 (1.7 GHz Power4+), IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,152	4.38	7.83
438	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Financial Service Provider United States	1,276	4.38	6.63
439	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Financial Service Provider United States	1,276	4.38	6.63
440	CU-A - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
441	CU-B - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
442	CU-C - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
443	CU-D - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
444	CU-E - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
445	CU-F - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
446	CU-G - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
447	CU-I - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
448	CU-H - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
449	CU-J - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
450	CU-K - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
451	CU-L - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
452	CU-M - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
453	CU-N - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
454	CU-O - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
455	CU-P - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
456	BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet, IBM Cold Spring Harbor Laboratory United States	2,016	4.38	8.06	113
457	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE IT Service Provider (B) United States	560	4.37	6.72
458	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet, HPE IT Services Provider (C) Sweden	628	4.35	6.70
459	Slide Rule - PowerEdge 1850/1855 3.2 GHz GigEthernet, DELL UT SimCenter at Chattanooga United States	1,010	4.33	6.46
460	eServer pSeries p5 575 1.9 GHz, Myrinet, IBM Total SA France	1,024	4.31	7.78	167
461	Houat - eServer pSeries p5 575 1.5 GHz, Myrinet, IBM Total SA France	1,024	4.31	6.14
462	Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet, DELL Caltech/JPL United States	1,024	4.30	6.55
463	SuperDome 1.1 GHz/HyperPlex, HPE Telecommunication Company United States	1,840	4.29	8.10
464	SuperDome 1.1 GHz/HyperPlex, HPE Telecommunication Company United States	1,840	4.29	8.10
465	SuperDome 1.1 GHz/HyperPlex, HPE Telecommunication Company United States	1,840	4.29	8.10
466	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet, HPE IT Service Provider (C) United States	612	4.24	6.53
467	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Logistic Services (E) United States	1,232	4.23	6.41
468	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Logistic Services (E) United States	1,232	4.23	6.41
469	Sun Fire x2200 M2/X4600 M2 Cluster, Opteron 2.2 Ghz, Infiniband, Oracle Universidad de Granada Spain	1,248	4.22	5.49
470	eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband, IBM On Demand Center United States	1,712	4.22	8.22
471	eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband, IBM On Demand Center United States	1,712	4.22	8.22
472	eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband, IBM On Demand Center United States	1,712	4.22	8.22
473	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE IT Services Provider (B) Canada	540	4.21	6.48
474	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE ePlus Technology Inc United States	540	4.21	6.48
475	DeepComp 6800, Itanium2 1.3 GHz, QsNet, Lenovo Computer Network Information Center, Chinese Academy of Science China	1,024	4.19	5.32
476	pSeries 690 Turbo 1.3 GHz, IBM National Center for Atmospheric Research (NCAR) United States	1,600	4.18	8.32
477	Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet, HPE Gaming Company (B) Taiwan	1,336	4.18	7.48
478	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE Defense Classified United States	528	4.18	6.34
479	eServer pSeries p5 575 1.9 GHz, IBM Air Force Weather Agency United States	640	4.18	4.86	104
480	eServer pSeries p5 575 1.9 GHz, IBM NASA/Ames Research Center/NAS United States	640	4.18	4.86	104
481	Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet, HPE AVNET Pacific Australia	688	4.17	6.42
482	Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet, HPE Food Industry France	688	4.17	6.42
483	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Actebis Peacock GmbH Germany	532	4.15	6.38
484	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE GNT Finland Oy Finland	532	4.15	6.38
485	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Insight Direct United States	532	4.15	6.38
486	JS20 Cluster, PPC 970, 2.2 GHz, Myrinet, IBM University of Reading United Kingdom	736	4.15	6.48
487	Isis - BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet, IBM Uppsala University Sweden	840	4.14	10.08	80
488	Integrity Superdome, Itanium2 DC 1.6 GHz, HyperPlex, HPE Zungwon South Korea	760	4.13	4.86
489	The Hive - Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Verari BladeRack 3.4 GHz, GigEthernet, HPE Walt Disney Feature Animation United States	1,110	4.13	6.94
490	Cluster Platform 3000 BL460c, Xeon 51xx 1.6GHz, GigEthernet, HPE Unis Digital Co. Ltd. China	984	4.09	6.30
491	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Pluz BV Netherlands	524	4.09	6.29
492	SX8R (2.2 GHz), NEC Meteo France France	128	4.06	4.50
493	SX8R (2.2 GHz), NEC Meteo France France	128	4.06	4.50
494	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Classified United States	1,644	4.05	7.23	101
495	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Classified United States	1,644	4.05	7.23	101
496	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Classified United States	1,644	4.05	7.23	101
497	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Classified United States	1,644	4.05	7.23	101
498	Atipa Cluster, Opteron, Myrinet, Atipa Technology DOE/Bettis Atomic Power Laboratory United States	1,090	4.04	5.23
499	Atipa Cluster, Opteron, Myrinet, Atipa Technology DOE/Knolls Atomic Power Laboratory United States	1,090	4.04	5.23
500	eServer pSeries p5 575 1.9 GHz, IBM National Center for Atmospheric Research (NCAR) United States	608	4.03	4.62	99