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TOP500 List - June 2003

R_max and R_peak values are in GFlop/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 (GFlop/s)	Rpeak (GFlop/s)	Power (kW)
1	Earth-Simulator, NEC Japan Agency for Marine-Earth Science and Technology Japan	5,120	35,860.00	40,960.00	3,200
2	ASCI Q - AlphaServer SC45, 1.25 GHz, HPE Los Alamos National Laboratory United States	8,192	13,880.00	20,480.00
3	MCR Linux Cluster Xeon 2.4 GHz - Quadrics, Linux Networx/Quadrics Lawrence Livermore National Laboratory United States	2,304	7,634.00	11,060.00
4	ASCI White, SP Power3 375 MHz, IBM Lawrence Livermore National Laboratory United States	8,192	7,304.00	12,288.00
5	Seaborg - SP Power3 375 MHz 16 way, IBM DOE/SC/LBNL/NERSC United States	6,656	7,304.00	9,984.00
6	xSeries Cluster Xeon 2.4 GHz - Quadrics, IBM/Quadrics Lawrence Livermore National Laboratory United States	1,920	6,586.00	9,216.00
7	PRIMEPOWER HPC2500 (1.3 GHz), Fujitsu National Aerospace Laboratory of Japan Japan	2,304	5,406.00	11,980.00
8	Cluster Platform 6000 rx2600 Itanium2 1 GHz Cluster - Quadrics, HPE DOE/SC/Pacific Northwest National Laboratory United States	1,540	4,881.00	6,160.00
9	AlphaServer SC45, 1 GHz, HPE Pittsburgh Supercomputing Center United States	3,016	4,463.00	6,032.00
10	AlphaServer SC45, 1 GHz, HPE Commissariat a l'Energie Atomique (CEA) France	2,560	3,980.00	5,120.00
11	Aspen Systems, Dual Xeon 2.2 GHz - Myrinet2000, HPTi Forecast Systems Laboratory - NOAA United States	1,536	3,337.00	6,758.00
12	pSeries 690 Turbo 1.3GHz, IBM HPCx United Kingdom	1,280	3,241.00	6,656.00
13	pSeries 690 Turbo 1.3GHz, IBM National Center for Atmospheric Research (NCAR) United States	1,216	3,164.00	6,323.00
14	pSeries 690 Turbo 1.3GHz, IBM Naval Oceanographic Office - NAVO DSRC United States	1,184	3,160.00	6,156.80
15	pSeries 690 Turbo 1.3GHz, IBM ECMWF United Kingdom	960	2,560.00	4,992.00
16	pSeries 690 Turbo 1.3GHz, IBM ECMWF United Kingdom	960	2,560.00	4,992.00
17	ASCI Red, Intel Sandia National Laboratories United States	9,632	2,379.00	3,207.00
18	pSeries 690 Turbo 1.3GHz, IBM DOE/SC/Oak Ridge National Laboratory United States	864	2,310.00	4,492.80
19	SuperMike - P4 Xeon 1.8 GHz - Myrinet, Atipa Technology Louisiana State University United States	1,024	2,207.00	3,686.40
20	AlphaServer SC45, 1 GHz, HPE NASA/Goddard Space Flight Center United States	1,392	2,164.00	2,784.00
21	ASCI Blue-Pacific SST, IBM SP 604e, IBM Lawrence Livermore National Laboratory United States	5,808	2,144.00	3,856.50
22	pSeries 690 Turbo 1.3GHz, IBM US Army Research Laboratory (ARL) United States	800	2,140.00	4,160.00
23	SP Power3 375 MHz 16 way, IBM AWE United Kingdom	1,920	2,106.00	2,880.00
24	pSeries 690 Turbo 1.3GHz, IBM Max-Planck-Gesellschaft MPI/IPP Germany	768	2,050.00	3,993.60
25	Joplin - PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Myrinet, DELL EMC University at Buffalo, SUNY, Center for Computational Res. United States	600	2,004.00	2,880.00
26	pSeries 690 Turbo 1.3GHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	704	1,849.00	3,660.80
27	pSeries 690 Turbo 1.3GHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	704	1,849.00	3,660.80
28	SR8000/MPP, Hitachi University of Tokyo Japan	1,152	1,709.10	2,074.00
29	SR8000-F1/168, Hitachi Leibniz Rechenzentrum Germany	168	1,653.00	2,016.00
30	ASCI Blue Mountain, HPE Los Alamos National Laboratory United States	6,144	1,608.00	3,072.00
31	TeraGrid Cluster Itanium 2 1 GHz - Myrinet, IBM NCSA United States	512	1,593.00	2,048.00
32	Vplant Cluster P4 XEON 2.4/2.0 GHz - Myrinet, DELL EMC Sandia National Laboratories United States	660	1,504.00	2,963.00
33	SX-6/192M24, NEC DKRZ - Deutsches Klimarechenzentrum Germany	192	1,484.00	1,536.00
34	SP Power3 375 MHz, IBM Naval Oceanographic Office - NAVO DSRC United States	1,336	1,417.00	2,004.00
35	SP Power3 375 MHz 16 way, IBM Deutscher Wetterdienst Germany	1,280	1,404.00	1,920.00
36	pSeries 690 Turbo 1.3GHz, IBM CINECA Italy	512	1,384.00	2,662.40
37	SP Power3 375 MHz 16 way, IBM National Center for Atmospheric Research (NCAR) United States	1,260	1,382.00	1,890.00
38	PowerRACK-HX dual Xeon 2.4 GHz - SMC GigE, Self-made University of Toronto Canada	512	1,202.00	2,457.00
39	SP Power3 375 MHz 16 way, IBM Lawrence Livermore National Laboratory United States	1,088	1,193.00	1,632.00
40	SX-5/128M8 3.2ns, NEC Osaka University Japan	128	1,192.00	1,280.00
41	SP Power3 375 MHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,104	1,179.00	1,656.00
42	pSeries 690 1.1GHz, IBM CSC (Center for Scientific Computing) Finland	512	1,170.00	2,253.00
43	pSeries 690 1.1GHz, IBM Florida State University United States	512	1,170.00	2,253.00
44	T3E1200, Cray/HPE Government United States	1,900	1,166.00	2,280.00
45	T3E1200/900, Cray/HPE ERDC DSRC United States	1,792	1,166.00	1,999.00
46	Cluster Platform 6000 rx5670 Itanium2 900 MHz Cluster - GigE, HPE Energy Company (D) United States	545	1,090.00	1,962.00
47	pSeries 690 Turbo 1.3GHz, IBM Nestec S.A. Switzerland	400	1,081.00	2,080.00
48	PowerEdge 1750, P4 Xeon 3.06 GHz, GigE, DELL EMC Compagnie Generale de Geophysique (CGG) United States	1,024	1,068.00	6,266.88
49	PowerEdge 2650 Cluster P4 Xeon 2.4 GHz/MSWindows - GigE, DELL EMC Cornell Theory Center United States	384	1,068.00	1,843.20
50	AVIDD-B+AVIDD-I - xSeries Cluster Xeon 2.4 GHz - Myrinet&Force10, IBM Indiana University United States	384	1,058.00	1,843.00
51	DeepComp 1800 - P4 Xeon 2 GHz - Myrinet, Lenovo Academy of Mathematics and System Science China	512	1,046.00	2,048.00
52	pSeries 690 Turbo 1.3GHz, IBM Applera/Celera Genomics United States	384	1,038.00	1,996.80
53	pSeries 690 Turbo 1.3GHz, IBM HLRN at Universitaet Hannover / RRZN Germany	384	1,038.00	1,996.80
54	pSeries 690 Turbo 1.3GHz, IBM HLRN at ZIB/Konrad Zuse-Zentrum Berlin Germany	384	1,038.00	1,996.80
55	Netfinity Cluster P4 Xeon 2 GHz - Myrinet, IBM University of Southern California United States	512	1,028.00	2,048.00
56	Pegasus P4 Xeon Cluster 2.2/2.4/2.8 GHz - Giganet - MSWindows, Self-made Seoul National University South Korea	400	1,011.00	1,843.00
57	Jazz - LCRC Xeon 2.4 GHz - Myrinet, Linux Networx DOE/SC/Argonne National Laboratory United States	361	1,007.00	1,732.80
58	AlphaServer SC40, 833 MHz, HPE Japan Atomic Energy Research Institute Japan	812	1,007.00	1,352.80
59	CPlant/Ross Cluster, Self-made Sandia National Laboratories United States	1,800	996.90	1,782.50
60	SX-6/128M16, NEC NEC Fuchu Plant Japan	128	982.00	1,024.00
61	Pentium Xeon Cluster 2.2 GHz - SCI 3D, Self-made National Supercomputer Centre (NSC) Sweden	400	960.40	1,760.00
62	SP Power3 375 MHz 8 way, IBM UCSD/San Diego Supercomputer Center United States	1,152	929.00	1,728.00
63	SR8000-F1/100, Hitachi High Energy Accelerator Research Organization /KEK Japan	100	917.00	1,200.00
64	xSeries Cluster Xeon 2.4 GHz - Gig-E, IBM Compagnie Generale de Geophysique (CGG) United Kingdom	1,100	894.90	5,280.00
65	xSeries Cluster Xeon 2.4 GHz - Gig-E, IBM Arizona State University/TGEN United States	1,048	894.90	5,030.40
66	xSeries Cluster Xeon 2.4 GHz - Gig-E, IBM TotalFinaElf France	1,024	894.90	4,915.20
67	xSeries Cluster Xeon 2.4 GHz - Gig-E, IBM SG SGBI France	968	894.90	4,646.40
68	xSeries Cluster Xeon 2.4 GHz - Gig-E, IBM GX Technology United States	880	894.90	4,224.00
69	T3E1200, Cray/HPE US Army HPC Research Center at NCS United States	1,084	892.00	1,300.80
70	SP Power3 375 MHz 16 way, IBM Maui High-Performance Computing Center (MHPCC) United States	812	891.00	1,218.00
71	pSeries 690 Turbo 1.3GHz, IBM Maui High-Performance Computing Center (MHPCC) United States	320	887.30	1,664.00
72	LION-XL - PowerEdge 2650 Cluster P4 Xeon 2.4 GHz - Quadrics, DELL EMC Pennsylvania State University United States	256	877.90	1,228.80
73	SR8000/128, Hitachi University of Tokyo Japan	128	873.00	1,024.00
74	AlphaServer SC45, 1 GHz, HPE Air Force Research Laboratory United States	512	862.20	1,024.00
75	emerald - AlphaServer SC45, 1 GHz, HPE ERDC DSRC United States	512	862.20	1,024.00
76	AlphaServer SC45, 1 GHz, HPE Hewlett-Packard United States	512	862.20	1,024.00
77	ORIGIN 3000 600 MHz, HPE NASA/Ames Research Center/NAS United States	1,024	852.90	1,228.80
78	Grendels - Grendels P4 Cluster 2.4 GHz - Myrinet, Linux Networx Los Alamos National Laboratory United States	252	840.50	1,209.60
79	AlphaServer SC45, 1 GHz, HPE National Computational Infrastructure (NCI Australia) Australia	508	825.50	1,016.00
80	HELICS AMD 1.4 GHz - Myrinet, MEGWARE Universitaet Heidelberg - IWR Germany	512	825.00	1,433.60
81	T3E900, Cray/HPE Government United States	1,324	815.00	1,191.60
82	TeraGrid Cluster Itanium 2 1 GHz - Myrinet, IBM UCSD/San Diego Supercomputer Center United States	252	798.30	1,008.00
83	SP Power3 375 MHz, IBM Charles Schwab United States	768	795.00	1,152.00
84	AMD AthlonMP Cluster 1.65 GHz, Self-made Rutgers University, Department of Physics & Astronomy United States	512	794.00	1,690.00
85	SR8000-G1/64, Hitachi Institute for Materials Research, Tohoku University (IMR) Japan	64	790.70	921.60
86	Presto III Athlon 1.6 GHz, Self-made GSIC Center, Tokyo Institute of Technology Japan	486	788.80	1,555.20
87	Cluster Platform 6000 zx6000 Itanium2 900 MHz, Myrinet, HPE Ohio Supercomputer Center United States	256	761.90	921.60
88	Space Simulator, P4 2.53 GHz - GigEth, Self-made Los Alamos National Laboratory United States	288	757.10	1,457.00
89	pSeries 690 Turbo 1.3GHz, IBM Media & Entertainment (C) United States	264	755.00	1,372.80
90	SP Power3 375 MHz, IBM North Carolina Supercomputing Center (NCSC) United States	720	741.00	1,080.00
91	pSeries 690 Turbo 1.3GHz, IBM IBM United States	256	736.60	1,331.20
92	pSeries 690 Turbo 1.3GHz, IBM IBM United States	256	736.60	1,331.20
93	pSeries 690 Turbo 1.3GHz, IBM National Center for High Performance Computing Taiwan	256	736.60	1,331.20
94	pSeries 690 Turbo 1.3GHz, IBM Swiss Scientific Computing Center (CSCS) Switzerland	256	736.60	1,331.20
95	MVS1000M EV67 667 MHz, Self-made Joint Supercomputer Center Russia	768	734.60	1,024.00
96	VPP5000/80, Fujitsu University of Tsukuba Japan	80	730.00	768.00
97	SP Power3 375 MHz, IBM DOE/SC/Oak Ridge National Laboratory United States	704	723.00	1,056.00
98	DeepComp 1800 - P4 Xeon 2.4 GHz - Myrinet, Lenovo LASG/Institute of Atmospheric Physics, CAS China	256	711.70	1,228.00
99	pSeries 690 Turbo 1.3GHz GigEth, IBM NCSA United States	384	708.00	1,996.80
100	Longhorn - pSeries p690/p655 1.3GHz, IBM Texas Advanced Computing Center/Univ. of Texas United States	224	704.80	1,164.80