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TOP500 List - June 2008

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	Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet, HPE Telecommunication Company China	1,792	9.62	16.70
402	Albert - Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics, DALCO AG Switzerland BMW Sauber F1 Switzerland	1,024	9.60	12.29
403	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband, IBM Universitaet Freiburg Germany	1,120	9.59	12.68	44
404	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband, IBM Universitaet Heidelberg Germany	1,120	9.59	12.68	44
405	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband, IBM Universitaet Karlsruhe Germany	1,120	9.59	12.68	44
406	bwGRiD-MA - BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband, IBM Universitaet Mannheim Germany	1,120	9.59	12.68	44
407	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband, IBM Universitaet Tuebingen Germany	1,120	9.59	12.68	44
408	NWICE - Spray Cooled xSeries x3550 Cluster Xeon quad core 2.33 GHz, Infiniband, IBM DOE/SC/Pacific Northwest National Laboratory United States	1,536	9.59	14.32	84
409	xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet, IBM Texas Instruments France	1,612	9.58	19.34	149
410	SGI Altix ICE 8200, 3.0 GHz, HPE Manufacturing Company (I) United States	1,024	9.58	12.29
411	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Logistic Services (D) Germany	1,336	9.54	16.03
412	eServer Blue Gene Solution, IBM Harvard University United States	4,096	9.43	11.47	44
413	KEK/BG UME - eServer Blue Gene Solution, IBM High Energy Accelerator Research Organization /KEK Japan	4,096	9.43	11.47	44
414	eServer Blue Gene Solution, IBM IBM - Almaden Research Center United States	4,096	9.43	11.47	44
415	eServer Blue Gene Solution, IBM IBM Research Switzerland	4,096	9.43	11.47	44
416	eServer Blue Gene Solution, IBM/ LLNL IBM Thomas J. Watson Research Center United States	4,096	9.43	11.47	44
417	Ocracoke - eServer Blue Gene Solution, IBM Renaissance Computing Institute (RENCI) United States	4,096	9.43	11.47	44
418	Blue Fern - eServer Blue Gene Solution, IBM University of Canterbury New Zealand	4,096	9.43	11.47	44
419	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE Computacenter (UK) LTD United Kingdom	1,744	9.39	16.25
420	Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet, HPE Financial Institution Sweden	1,312	9.36	15.74	146
421	Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet, HPE Semiconductor Company (O) United Kingdom	1,312	9.36	15.74	146
422	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Computacenter (UK) LTD United Kingdom	1,304	9.33	15.65
423	Cluster Platform 3000 BL480c, Xeon 53xx 2.66GHz, Infiniband, HPE Computational Research Laboratories, TATA SONS India	1,440	9.30	15.36
424	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Financial Institution (M) United States	3,312	9.29	17.22
425	BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet, IBM Digital Media Company (G) India	2,400	9.29	25.60	111
426	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () France	2,672	9.29	24.94	107
427	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Banking B Switzerland	2,368	9.29	22.10	130
428	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Semiconductor Company (C) United States	2,368	9.29	22.10	130
429	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Bear Stearns United States	2,352	9.29	21.95	94
430	BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet, IBM Financial Institution (U1) United States	1,960	9.29	20.91	91
431	BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet, IBM Financial Institution (U1) United States	1,960	9.29	20.91	91
432	xSeries x3550 Cluster Xeon QC HT, 2.66 GHz, GigEthernet, IBM Scientific Supercomputing Center Karlsruhe Germany	1,920	9.29	20.47	74
433	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM CNPC Sichuan Geophysical Company China	1,600	9.29	19.20	63
434	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM CNPC Sichuan Geophysical Company China	1,600	9.29	19.20	63
435	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM CNPC Sichuan Geophysical Company China	1,600	9.29	19.20	63
436	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM CNPC Sichuan Geophysical Company China	1,600	9.29	19.20	63
437	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Petroleum Company United Kingdom	2,048	9.29	19.11	112
438	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet, IBM Financial Institution (P) France	1,680	9.29	19.02	66
439	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Gaming France	1,576	9.29	18.91	62
440	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Gaming France	1,576	9.29	18.91	62
441	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Gaming France	1,576	9.29	18.91	62
442	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Research France	2,024	9.29	18.89	111
443	BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet, IBM Financial Institution () China	1,600	9.29	17.92	64
444	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Finance L United Kingdom	1,904	9.29	17.77	76
445	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () United States	1,896	9.29	17.69	76
446	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet, IBM Geoscience (Q) France	1,560	9.29	17.66	61
447	BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet, IBM Geoscience (Q) France	1,560	9.29	17.66	61
448	BladeCenter HS21 Cluster, Xeon QC HT 2.5 GHz, GigEthernet, IBM Cenaero Belgium	1,736	9.29	17.36	67
449	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Data Processing United States	1,840	9.29	17.17	101
450	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Data Processing United States	1,840	9.29	17.17	101
451	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () United States	1,784	9.29	16.65	71
452	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () United States	1,784	9.29	16.65	71
453	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () United States	1,784	9.29	16.65	71
454	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () United States	1,784	9.29	16.65	71
455	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Data Processing United States	1,704	9.29	15.90	93
456	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Data Processing United States	1,704	9.29	15.90	93
457	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution (P) France	1,680	9.29	15.68	67
458	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Information Technology United States	1,664	9.29	15.53	91
459	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Merck and Company United States	1,600	9.29	14.93	64
460	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () France	1,560	9.29	14.56	62
461	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution () France	1,560	9.29	14.56	62
462	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Research United States	1,560	9.29	14.56	86
463	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Government Classified United States	1,296	9.28	15.55
464	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Government Classified United States	1,296	9.28	15.55
465	Cell - BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband, IBM Fraunhofer ITWM Germany	1,260	9.26	15.23	18
466	xSeries x3550 Cluster Xeon, 1.6 GHz, GigEthernet, IBM Distribution United States	2,732	9.26	17.48	230
467	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Financial Institution (M) United States	3,296	9.25	17.14
468	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband, IBM Near East University Cyprus	1,280	9.24	11.94	51
469	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE Financial Institution (U) Australia	1,712	9.24	15.96
470	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Computacenter (UK) LTD United Kingdom	1,464	9.22	15.62
471	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Computacenter (UK) LTD United Kingdom	1,464	9.22	15.62
472	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE Food Industry United Kingdom	1,696	9.16	15.81
473	xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet, IBM Digital Media (I) United States	1,512	9.14	18.14	140
474	DataStar - eServer pSeries 655/690 (1.5/1.7 GHz Power4+), IBM UCSD/San Diego Supercomputer Center United States	2,464	9.12	15.63
475	BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband, IBM University of Warwick, Centre for Scientific Computing United Kingdom	960	9.06	11.52	91
476	Houat - eServer pSeries p5 575 1.5 GHz/1.9GHz, Myrinet/Infiniband, IBM Total SA France	2,048	9.05	13.93
477	BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet, IBM Financial Institution () France	1,496	9.05	16.76	60
478	BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet, IBM Financial Institution () France	1,496	9.05	16.76	60
479	BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet, IBM Financial Institution () France	1,496	9.05	16.76	60
480	BladeCenter HS21 Cluster, Xeon QC HT 2.8 GHz, GigEthernet, IBM Financial Institution () France	1,496	9.05	16.76	60
481	Fujitsu PFU RG1000, Core2Duo 1.5 GHz, GigEthernet, Fujitsu Institute of Physical and Chemical Research (RIKEN) Japan	2,048	9.04	12.29
482	Cluster Platform 3000 BL680c, Xeon 73xx 2.4 Ghz, GigabitEth, HPE Financial Institution (M) United States	1,616	9.04	15.51
483	SR11000-K1/80, Hitachi Japan Meteorological Agency Japan	80	9.04	10.75
484	SR11000-K1/80, Hitachi Japan Meteorological Agency Japan	80	9.04	10.75
485	SKIF-Cyberia - Xeon Cluster, QLogic InfiniPath, T-Platforms Tomsk State University Russia	1,128	9.01	12.00
486	Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet, HPE World Wide Technologies United States	1,664	9.01	15.51
487	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
488	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
489	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
490	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
491	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
492	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
493	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
494	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
495	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
496	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
497	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
498	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
499	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59
500	BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet, IBM Geoscience (P) United States	1,488	9.00	17.86	59