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TOP500 List - November 2006

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)
101	xSeries Cluster Xeon 2.4 GHz - Quadrics, IBM/Quadrics Lawrence Livermore National Laboratory United States	1,920	6.59	9.22
102	Bassi - eServer pSeries p5 575 1.9 GHz, IBM DOE/SC/LBNL/NERSC United States	976	6.42	7.42	159
103	Explore - SGI Altix 3700 Bx2, 1.5 GHz, NUMAlink, Infiniband, HPE NASA/Goddard Space Flight Center United States	1,152	6.31	6.91
104	Topsail - PowerEdge 1855, 3.6 GHz, Infiniband, DELL EMC University of North Carolina United States	1,040	6.25	7.49
105	Lilac - xSeries x335 Cluster, Xeon 3.06 GHz, Quadrics, IBM Lawrence Livermore National Laboratory United States	1,540	6.23	9.43
106	Deimos - Opteron dual core 2.6 GHz, Infiniband, Linux Networx Technische Universitaet Dresden Germany	2,584	6.19	13.44
107	AIST Super Cluster P-32 - AIST Super Cluster P-32, Opteron 2.0 GHz, Myrinet, IBM Grid Technology Research Center, AIST Japan	2,200	6.16	8.80
108	Tungsten 2 - PowerEdge 1850, 3.6 GHz, Infiniband, DELL EMC NCSA United States	1,024	6.12	7.37
109	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink, HPE NCSA United States	1,024	6.03	6.55
110	Whale - Cluster Platform 4000 DL145 Opteron 2.2 GHz Dual Core GigEthernet, HPE SharcNet Canada	3,072	6.01	13.52
111	SGI Altix 3700 Bx2, 1.6 GHz, NUMALink, 10GigEthernet, HPE Tohoku University, Institute of Fluid Science Japan	1,024	6.01	6.55
112	eServer pSeries p5 575 1.9 GHz, IBM Norwegian University of Science and Technology Norway	960	6.00	7.30	156
113	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Telecommunication Company United States	1,728	5.97	11.06
114	Altix 4700 1.6 GHz, HPE NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States	1,024	5.96	6.55
115	Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, GigEthernet, Oracle Mississippi State University United States	2,048	5.86	10.65
116	Requin - Cluster Platform 4000 DL145, Opteron 2,6 GHz, Quadrics, HPE SharcNet Canada	1,536	5.75	7.99
117	eServer pSeries p5 575 1.9 GHz, IBM Lawrence Livermore National Laboratory United States	864	5.74	6.57	141
118	eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet, IBM Seoul National University South Korea	968	5.62	8.52
119	JUMP - eServer pSeries 690 (1.7 GHz Power4+), IBM Forschungszentrum Juelich (FZJ) Germany	1,312	5.57	8.92
120	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Geoscience (P) Malaysia	2,240	5.52	9.86	137
121	Atipa Cluster, Opteron 2.6 GHz, Myrinet, Atipa Technology DOE/Bettis Atomic Power Laboratory United States	1,302	5.47	6.77
122	Atipa Cluster, Opteron 2.6 GHz, Myrinet, Atipa Technology DOE/Knolls Atomic Power Laboratory United States	1,302	5.47	6.77
123	Topdawg - PowerEdge 1850, 3.2 GHz, Infiniband, DELL EMC University of Oklahoma United States	1,024	5.44	6.55
124	Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband, HPE Universitaet Erlangen - Regionales Rechenzentrum Erlangen Germany	728	5.42	8.74
125	PRIMEPOWER HPC2500 (1.3 GHz), Fujitsu National Aerospace Laboratory of Japan Japan	2,304	5.41	11.98
126	Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband, HPE Universidad Nacional Autonoma de Mexico Mexico	1,360	5.09	7.07
127	Blade Cluster BL-25P, Opteron 2.4 GHz, GigEthernet, HPE Financial Institution (J) United Kingdom	1,880	5.04	9.02
128	Lenngren - PowerEdge 1850, 3.4 GHz, Infiniband, DELL EMC KTH - Royal Institute of Technology Sweden	886	5.00	6.03
129	SR11000-J1/50, Hitachi Japan Meteorological Agency Japan	50	4.99	6.08
130	SuperDome 1.1 GHz/HyperPlex, HPE Amdocs United States	2,176	4.98	9.57
131	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Financial Institution (Q) France	2,000	4.92	8.80	123
132	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Financial Services (M) United Kingdom	2,000	4.92	8.80	123
133	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Financial Services (M) United Kingdom	2,000	4.92	8.80	123
134	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Financial Institution (H) Australia	1,420	4.91	9.09
135	eServer pSeries p5 575 1.9 GHz, IBM Adam Opel AG Germany	720	4.78	5.47	117
136	Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet, HPE Digital Media Company (E) United States	1,500	4.77	9.18
137	Coyote B - Opteron 2.6 GHz, Infiniband, Linux Networx Los Alamos National Laboratory United States	1,080	4.72	5.62
138	eServer Blue Gene Solution, IBM Boston University United States	2,048	4.71	5.73	22
139	eServer Blue Gene Solution, IBM CERT - Centre of Excellence for Applied Research and Training United Arab Emirates	2,048	4.71	5.73	22
140	eServer Blue Gene Solution, IBM DOE/SC/Argonne National Laboratory United States	2,048	4.71	5.73	22
141	CyBlue - eServer Blue Gene Solution, IBM Iowa State University United States	2,048	4.71	5.73	22
142	eServer Blue Gene Solution, IBM Lawrence Livermore National Laboratory United States	2,048	4.71	5.73	22
143	eServer Blue Gene Solution, IBM MIT United States	2,048	4.71	5.73	22
144	eServer Blue Gene Solution, IBM NIWS Co, Ltd Japan	2,048	4.71	5.73	22
145	eServer Blue Gene Solution, IBM National Center for Atmospheric Research (NCAR) United States	2,048	4.71	5.73	22
146	Orangena - eServer Blue Gene Solution, IBM Princeton University United States	2,048	4.71	5.73	22
147	Ocracoke - eServer Blue Gene Solution, IBM Renaissance Computing Institute (RENCI) United States	2,048	4.71	5.73	22
148	eServer Blue Gene Solution, IBM University of Edinburgh United Kingdom	2,048	4.71	5.73	22
149	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Financial Institution (D) United States	1,344	4.64	8.60
150	Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet, HPE Government Classified United States	1,000	4.62	6.80
151	Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet, HPE Government Classified United States	1,000	4.62	6.80
152	IBM QCDOC, PowerPC 440, 400 MHz, 6D-Torus, IBM Brookhaven National Laboratory United States	8,192	4.61	6.55	89
153	Altix 4700 1.6 GHz, HPE NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States	768	4.60	4.92
154	Altix 4700 1.6 GHz, HPE NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States	768	4.60	4.92
155	Altix 4700 1.6 GHz, HPE RQCHP Canada	768	4.60	4.92
156	SR11000-K1/40, Hitachi Hokkaido University Japan	40	4.60	5.38
157	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Wells Fargo United States	1,280	4.58	8.19
158	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Wells Fargo United States	1,280	4.58	8.19
159	eServer pSeries p5 575 1.9 GHz, IBM Max-Planck-Gesellschaft MPI/IPP Germany	688	4.56	5.23	112
160	Turing - XServe G5 2GHz, Myrinet, Self-made University of Illinois United States	1,024	4.56	8.19
161	PRIMEPOWER HPC2500 (1.56 GHz), Fujitsu Kyoto University Japan	1,472	4.55	9.19
162	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Bank (K) Belgium	1,300	4.49	8.32
163	SSC_x4600 - Fire x4600 Cluster, Opteron 2.6 GHz dual core, Oracle Sun Solution Center for HPC United States	1,152	4.49	5.99
164	AlphaServer SC45, 1 GHz, HPE Pittsburgh Supercomputing Center United States	3,016	4.46	6.03
165	Cray XT3, 2.4 GHz, Cray/HPE US Army HPC Research Center at NCS United States	1,152	4.44	5.53
166	CX1 - PowerEdge 1955, 2.66 GHz, Gigabit/10G Infiniband, DELL EMC Imperial College ICT HPC United Kingdom	1,680	4.40	17.92
167	eServer pSeries 655 (1.7 GHz Power4+), IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,152	4.38	7.83
168	eServer pSeries 655 (1.7 GHz Power4+), IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,152	4.38	7.83
169	CU-A - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
170	CU-B - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
171	CU-C - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
172	CU-D - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
173	CU-E - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
174	CU-F - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
175	CU-G - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
176	CU-I - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
177	CU-H - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
178	CU-J - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
179	CU-K - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
180	CU-L - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
181	CU-M - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
182	CU-N - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
183	CU-O - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
184	CU-P - eServer x3755 Opteron dual core 2.2 GHz Infiniband, IBM Los Alamos National Laboratory United States	1,152	4.38	5.07
185	BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet, IBM Cold Spring Harbor Laboratory United States	2,016	4.38	8.06	113
186	Slide Rule - PowerEdge 1850/1855 3.2 GHz GigEthernet, DELL EMC UT SimCenter at Chattanooga United States	1,010	4.33	6.46
187	Houat - eServer pSeries p5 575 1.5 GHz, Myrinet, IBM Total SA France	1,024	4.31	6.14
188	Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet, DELL EMC Caltech/JPL United States	1,024	4.30	6.55
189	eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband, IBM On Demand Center United States	1,712	4.22	8.22
190	eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband, IBM On Demand Center United States	1,712	4.22	8.22
191	eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband, IBM On Demand Center United States	1,712	4.22	8.22
192	DeepComp 6800, Itanium2 1.3 GHz, QsNet, Lenovo Computer Network Information Center, Chinese Academy of Science China	1,024	4.19	5.32
193	pSeries 690 Turbo 1.3 GHz, IBM National Center for Atmospheric Research (NCAR) United States	1,600	4.18	8.32
194	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE Defense Classified United States	528	4.18	6.34
195	SSC_x2200M2 - Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux, Oracle Sun Solution Center for HPC United States	1,024	4.17	5.32
196	JS20 Cluster, PPC 970, 2.2 GHz, Myrinet, IBM University of Reading United Kingdom	736	4.15	6.48
197	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
198	BladeCenter LS21, Opteron Dual Core 2.6 GHz, Infiniband, IBM University of Minnesota/Supercomputing Institute United States	1,140	4.10	5.93	80
199	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE Semiconductor Company (N) United States	512	4.05	6.14
200	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE Semiconductor Company (N) United States	512	4.05	6.14