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TOP500 List - June 2001

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	ASCI White, SP Power3 375 MHz, IBM Lawrence Livermore National Laboratory United States	8,192	7,226.00	12,288.00
2	SP Power3 375 MHz 16 way, IBM DOE/SC/LBNL/NERSC United States	2,528	2,526.00	3,792.00
3	ASCI Red, Intel Sandia National Laboratories United States	9,632	2,379.00	3,207.00
4	ASCI Blue-Pacific SST, IBM SP 604e, IBM Lawrence Livermore National Laboratory United States	5,808	2,144.00	3,856.50
5	SR8000/MPP, Hitachi University of Tokyo Japan	1,152	1,709.10	2,074.00
6	ASCI Blue Mountain, HPE Los Alamos National Laboratory United States	6,144	1,608.00	3,072.00
7	SP Power3 375 MHz, IBM Naval Oceanographic Office - NAVO DSRC United States	1,336	1,417.00	2,004.00
8	SX-5/128M8 3.2ns, NEC Osaka University Japan	128	1,192.00	1,280.00
9	SP Power3 375 MHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,104	1,179.00	1,656.00
10	SP Power3 375 MHz, IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,104	1,179.00	1,656.00
11	T3E1200, Cray/HPE Government United States	1,900	1,127.00	2,280.00
12	SR8000-F1/112, Hitachi Leibniz Rechenzentrum Germany	112	1,035.00	1,344.00
13	SP Power3 375 MHz 8 way, IBM UCSD/San Diego Supercomputer Center United States	1,152	929.00	1,728.00
14	SR8000-F1/100, Hitachi High Energy Accelerator Research Organization /KEK Japan	100	917.00	1,200.00
15	T3E1200, Cray/HPE US Army HPC Research Center at NCS United States	1,084	892.00	1,300.80
16	VPP5000/100, Fujitsu ECMWF United Kingdom	100	886.00	960.00
17	SR8000/128, Hitachi University of Tokyo Japan	128	873.00	1,024.00
18	SP Power3 375 MHz 16 way, IBM Maui High-Performance Computing Center (MHPCC) United States	812	837.00	1,218.00
19	T3E900, Cray/HPE Government United States	1,324	815.00	1,191.60
20	SP Power3 375 MHz, IBM Charles Schwab United States	768	795.00	1,152.00
21	SR8000-G1/64, Hitachi Institute for Materials Research, Tohoku University (IMR) Japan	64	790.70	921.60
22	SP Power3 375 MHz, IBM North Carolina Supercomputing Center (NCSC) United States	720	741.00	1,080.00
23	SP Power3 375 MHz, IBM DOE/SC/Oak Ridge National Laboratory United States	704	723.00	1,056.00
24	SR8000-E1/80, Hitachi Japan Meteorological Agency Japan	80	691.30	768.00
25	ORIGIN 2000 250 MHz, HPE Los Alamos National Laboratory/ACL United States	2,048	690.90	1,024.00
26	SP Power3 375 MHz, IBM National Center for Atmospheric Research (NCAR) United States	668	688.00	1,002.00
27	T3E900, Cray/HPE Naval Oceanographic Office - NAVO DSRC United States	1,084	675.00	975.60
28	T3E1200, Cray/HPE CSAR at the University of Manchester United Kingdom	812	671.00	974.40
29	T3E1200, Cray/HPE Deutscher Wetterdienst Germany	812	671.00	974.40
30	Netfinity Cluster PIII 1 GHz - Myrinet, IBM NCSA United States	1,024	594.00	1,024.00
31	SR8000-F1/60, Hitachi University of Tokyo/Institute for Solid State Physics Japan	60	577.00	720.00
32	VPP5000/64, Fujitsu Kyushu University Japan	64	563.00	614.40
33	SP Power3 375 MHz, IBM Air Force Research Laboratory United States	528	553.00	792.00
34	T3E900, Cray/HPE United Kingdom Meteorological Office United Kingdom	876	552.00	788.40
35	SCore III/PIII 933 MHz, Self-made Real World Computing (RWCP)/Tsukuba Research Center Japan	1,024	547.90	955.40
36	SP Power3 375 MHz 16 way, IBM IBM United States	512	546.00	768.00
37	SP Power3 375 MHz 16 way, IBM Saudi Aramco Saudi Arabia	512	546.00	768.00
38	SP Power3 375 MHz 16 way, IBM US Army Research Laboratory (ARL) United States	512	546.00	768.00
39	T3E1200, Cray/HPE United Kingdom Meteorological Office United Kingdom	636	526.00	763.20
40	T3E, Cray/HPE NASA/Goddard Space Flight Center United States	1,356	525.00	813.60
41	CPlant/Ross Cluster, Self-made Sandia National Laboratories United States	1,000	512.40	932.00
42	AlphaServer SC ES40/EV67, HPE Hewlett-Packard United States	512	507.60	682.66
43	AlphaServer SC ES40/EV67, HPE Lawrence Livermore National Laboratory United States	512	507.60	682.66
44	SP Power3 375 MHz, IBM Centre Informatique National (CINES) France	472	494.00	708.00
45	VPP5000/56, Fujitsu Nagoya University Japan	56	492.00	537.60
46	VPP800/63, Fujitsu Kyoto University Japan	63	482.00	504.00
47	ASCI Blue-Pacific CTR, IBM SP 604e, IBM Lawrence Livermore National Laboratory United States	1,344	468.20	892.40
48	SR8000/64, Hitachi Tsukuba Advanced Computing Center - TACC/AIST Japan	64	449.00	512.00
49	T3E1200, Cray/HPE Cray Inc. United States	540	447.00	648.00
50	T3E1200, Cray/HPE ERDC DSRC United States	540	447.00	648.00
51	T3E1200, Cray/HPE Forschungszentrum Juelich (FZJ) Germany	540	447.00	648.00
52	T3E1200, Cray/HPE Government United States	540	447.00	648.00
53	T3E1200, Cray/HPE Government United States	540	447.00	648.00
54	T3E900, Cray/HPE DOE/SC/LBNL/NERSC United States	692	444.00	622.80
55	SP Power3 375 MHz, IBM Financial Institution Hong Kong	424	441.00	636.00
56	HPC 4500 400 MHz Cluster, Oracle Defense Sweden	896	420.44	716.80
57	HPC 4500 400 MHz Cluster, Oracle Service Provider United States	896	420.44	716.80
58	HPC 4500 400 MHz Cluster, Oracle Service Provider United States	896	420.44	716.80
59	HPC 4500 400 MHz Cluster, Oracle Sun United States	896	420.44	716.80
60	HPC 4500 400 MHz Cluster, Oracle Sun United States	896	420.44	716.80
61	ORIGIN 3000 500 MHz, HPE Japan Atomic Energy Research Institute Japan	512	405.60	512.00
62	ORIGIN 3000 500 MHz, HPE SARA (Stichting Academisch Rekencentrum) Netherlands	512	405.60	512.00
63	ORIGIN 3000 500 MHz, HPE SARA (Stichting Academisch Rekencentrum) Netherlands	512	405.60	512.00
64	CP-PACS/2048, Hitachi/Tsukuba Center for Computational Sciences, University of Tsukuba Japan	2,048	368.20	614.40
65	T3E, Cray/HPE Max-Planck-Gesellschaft MPI/IPP Germany	812	355.00	487.20
66	T3E900, Cray/HPE HWW/Universitaet Stuttgart Germany	540	341.00	486.00
67	T3E900, Cray/HPE Pittsburgh Supercomputing Center United States	540	341.00	486.00
68	T3E1200, Cray/HPE Government United States	404	334.00	484.80
69	SP Power3 375 MHz, IBM University of Minnesota/Supercomputing Institute United States	322	330.00	483.00
70	SP Power3 375 MHz, IBM Maui High-Performance Computing Center (MHPCC) United States	320	327.00	480.00
71	VPP700/160E, Fujitsu Institute of Physical and Chemical Research (RIKEN) Japan	160	319.00	384.00
72	ORIGIN 3000 400 MHz, HPE ERDC DSRC United States	512	315.50	409.60
73	ORIGIN 3000 400 MHz, HPE NASA/Ames Research Center/NAS United States	512	315.50	409.60
74	ORIGIN 3000 400 MHz, HPE NASA/Ames Research Center/NAS United States	512	315.50	409.60
75	ORIGIN 3000 400 MHz, HPE SGI United States	512	315.50	409.60
76	ORIGIN 3000 400 MHz, HPE US Army Research Laboratory (ARL) United States	512	315.50	409.60
77	SP Power3 200 MHz, IBM DOE/SC/LBNL/NERSC United States	604	310.30	483.20
78	CPlant/Siberia Cluster, Self-made Sandia National Laboratories United States	592	309.20	592.00
79	SP Power3 222 MHz, IBM ERDC DSRC United States	512	307.60	454.60
80	SX-5/40M3, NEC IDRIS France	40	303.00	320.00
81	ORIGIN 2000 400 MHz, HPE NASA/Ames Research Center/NAS United States	512	300.20	409.60
82	VPP5000/32, Fujitsu Central Research Institute of Electric Power Industry/CRIEPI Japan	32	296.10	307.20
83	SP Power3 375 MHz, IBM US Army Space and Missile Defense Command United States	284	288.00	426.00
84	VPP5000/31, Fujitsu Meteo France France	31	286.00	297.60
85	Netfinity Cluster PIII 933 MHz - Myrinet, IBM Maui High-Performance Computing Center (MHPCC) United States	520	285.00	485.16
86	T3E750, Cray/HPE CSC (Center for Scientific Computing) Finland	540	284.00	405.00
87	VPP5000/30, Fujitsu Institute for Molecular Science Japan	30	277.00	288.00
88	ORIGIN 2000 195/250 MHz, HPE NCSA United States	1,024	264.90	327.68
89	AlphaServer SC ES40/EV67, HPE DOE/SC/Oak Ridge National Laboratory United States	256	263.60	341.33
90	AlphaServer SC ES40/EV67, HPE Pittsburgh Supercomputing Center United States	256	263.60	341.33
91	SP Power3 375 MHz, IBM Purdue University United States	256	257.00	384.00
92	SR8000/36, Hitachi Meteorological Research Institute, Japan Meteorological Agency Japan	36	255.00	288.00
93	T3E900, Cray/HPE ZIB/Konrad Zuse-Zentrum fuer Informationstechnik Germany	404	253.00	363.60
94	SP PC604e 332 MHz, IBM Chemical Company Germany	716	250.00	475.40
95	SX-4/128H4, NEC Tohoku University Japan	128	244.00	256.00
96	ORIGIN 2000 300 MHz, HPE Tohoku University, Institute of Fluid Science Japan	640	241.40	384.00
97	ORIGIN 2000 300 MHz, HPE NASA/Ames Research Center/NAS United States	512	241.40	307.20
98	SX-5/32M2, NEC Bureau of Meteorology / CSIRO HPCCC Australia	32	241.40	256.00
99	SX-5/32M2, NEC Meteorological Service of Canada (MSC) Canada	32	241.40	256.00
100	SX-5/32H2, NEC National Research Institute for Metals Japan	32	241.40	256.00