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TOP500 List - June 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	eServer Blue Gene Solution, IBM NIWS Co, Ltd Japan	2,048	4.71	5.73	22
102	eServer Blue Gene Solution, IBM National Center for Atmospheric Research (NCAR) United States	2,048	4.71	5.73	22
103	Orangena - eServer Blue Gene Solution, IBM Princeton University United States	2,048	4.71	5.73	22
104	Ocracoke - eServer Blue Gene Solution, IBM Renaissance Computing Institute (RENCI) United States	2,048	4.71	5.73	22
105	Intimidata - eServer Blue Gene Solution, IBM UCSD/San Diego Supercomputer Center United States	2,048	4.71	5.73	22
106	eServer Blue Gene Solution, IBM University of Edinburgh United Kingdom	2,048	4.71	5.73	22
107	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Financial Institution (D) United States	1,344	4.64	8.60
108	Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet, HPE Government Classified United States	1,000	4.62	6.80
109	Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet, HPE Government Classified United States	1,000	4.62	6.80
110	SR11000-K1/40, Hitachi Hokkaido University Japan	40	4.60	5.38
111	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Wells Fargo United States	1,280	4.58	8.19
112	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Wells Fargo United States	1,280	4.58	8.19
113	eServer pSeries p5 575 1.9 GHz, IBM Max-Planck-Gesellschaft MPI/IPP Germany	688	4.56	5.23	112
114	Turing - XServe G5 2GHz, Myrinet, Self-made University of Illinois United States	1,024	4.56	8.19
115	PRIMEPOWER HPC2500 (1.56 GHz), Fujitsu Kyoto University Japan	1,472	4.55	9.19
116	AlphaServer SC45, 1 GHz, HPE Pittsburgh Supercomputing Center United States	3,016	4.46	6.03
117	Cray XT3, 2.4 GHz, Cray/HPE US Army HPC Research Center at NCS United States	1,152	4.44	5.53
118	eServer pSeries 655 (1.7 GHz Power4+), IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,152	4.38	7.83
119	eServer pSeries 655 (1.7 GHz Power4+), IBM NOAA R&D/ National Centers for Environmental Prediction United States	1,152	4.38	7.83
120	BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet, IBM Cold Spring Harbor Laboratory United States	2,016	4.38	8.06	113
121	Slide Rule - PowerEdge 1850/1855 3.2 GHz GigEthernet, DELL EMC UT SimCenter at Chattanooga United States	1,010	4.33	6.46
122	Houat - eServer pSeries p5 575 1.5 GHz, Myrinet, IBM Total SA France	1,024	4.31	6.14
123	Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet, DELL EMC Caltech/JPL United States	1,024	4.30	6.55
124	DeepComp 6800, Itanium2 1.3 GHz, QsNet, Lenovo Computer Network Information Center, Chinese Academy of Science China	1,024	4.19	5.32
125	pSeries 690 Turbo 1.3 GHz, IBM National Center for Atmospheric Research (NCAR) United States	1,600	4.18	8.32
126	lonestar - PowerEdge 1750, Pentium4 Xeon 3.2/3.06 GHz, Myrinet, Dell-Cray Texas Advanced Computing Center/Univ. of Texas United States	1,024	4.15	6.34
127	JS20 Cluster, PPC 970, 2.2 GHz, Myrinet, IBM University of Reading United Kingdom	736	4.15	6.48
128	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
129	Lincoln - PowerEdge 1855, 3.2 GHz, Infiniband, Windows, DELL EMC NCSA United States	900	4.11	5.76
130	Atipa Cluster, Opteron, Myrinet, Atipa Technology DOE/Bettis Atomic Power Laboratory United States	1,090	4.04	5.23
131	Atipa Cluster, Opteron, Myrinet, Atipa Technology DOE/Knolls Atomic Power Laboratory United States	1,090	4.04	5.23
132	eServer pSeries p5 575 1.9 GHz, IBM National Center for Atmospheric Research (NCAR) United States	608	4.03	4.62	99
133	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Kaiser United States	1,125	4.02	7.20
134	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Kaiser United States	1,125	4.02	7.20
135	Blade Cluster BL-20P, Pentium4 Xeon 3.6 GHz, GigEthernet, HPE Retailer (C) United States	1,024	3.98	7.37
136	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Telecommunication Company United States	1,152	3.98	7.37
137	AlphaServer SC45, 1 GHz, HPE Commissariat a l'Energie Atomique (CEA) France	2,560	3.98	5.12
138	Cluster Platform 4000 DL145 Opteron 2.4 GHz Infiniband, HPE Classified China	1,044	3.96	5.01
139	Cluster Platform 4000 DL145 Opteron 2.6 GHz Infiniband, HPE Hewlett-Packard United States	1,024	3.95	5.32
140	JS20 Cluster, PPC 970, 2.2 GHz, Myrinet, IBM Vanderbilt University United States	660	3.84	5.81
141	Cluster Platform 4000 DL145 Opteron 2.4 GHz GigEthernet, HPE Semiconductor Company (L) India	1,400	3.83	6.72
142	eServer pSeries 655 (1.5 GHz Power4+), IBM Lawrence Livermore National Laboratory United States	1,024	3.81	6.14
143	eServer pSeries 655 (1.5 GHz Power4+), IBM Lawrence Livermore National Laboratory United States	1,024	3.81	6.14
144	Cray X1E, Cray/HPE US Army HPC Research Center at NCS United States	252	3.78	4.56
145	BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet, IBM Bank (L) United Kingdom	3,200	3.75	19.58
146	glacier - BladeCenter Xeon 3.06 GHz, Gig-Ethernet, IBM Westgrid Canada	1,680	3.75	10.28
147	BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet, IBM Saudi Aramco Saudi Arabia	1,536	3.75	9.83	251
148	BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, GigEthernet, IBM Semiconductor Company (D) Israel	1,464	3.75	9.37	239
149	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet, IBM Financial Services (N) United States	1,300	3.75	9.36	212
150	BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet, IBM Credit Suisse/First Boston United Kingdom	1,500	3.75	9.18
151	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet, IBM Geoscience (G) India	1,024	3.75	7.37	167
152	BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz, Gig-Ethernet, IBM Xin Jiang Oil China	1,064	3.75	7.24	174
153	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet, IBM Semiconductor Company (C) United States	1,004	3.75	7.23	164
154	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet, IBM Semiconductor Company (C) United States	1,004	3.75	7.23	164
155	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet, IBM Financial Services (N) United States	1,000	3.75	7.20	163
156	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet, IBM Financial Services (N) United States	1,000	3.75	7.20	163
157	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet, IBM WETA Digital New Zealand	1,000	3.75	7.20	163
158	BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet, IBM Digital Content Provider Australia	1,148	3.75	7.03
159	BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet, IBM Geoscience (B) India	1,024	3.75	6.96	167
160	BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	1,088	3.75	6.96	178
161	BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	1,088	3.75	6.96	178
162	xSeries Xeon 3.06 GHz - Gig-E, IBM Geoscience (C) United Kingdom	1,128	3.75	6.90
163	xSeries Xeon 3.06 GHz - Gig-E, IBM Geoscience (C) United Kingdom	1,128	3.75	6.90
164	xSeries Xeon 3.06 GHz - Gig-E, IBM Semiconductor Company (D) Israel	1,120	3.75	6.85
165	BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet, IBM Telco Canada	1,036	3.75	6.63	169
166	BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet, IBM Financial Services (H) United States	1,024	3.75	6.55	167
167	BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, GigEthernet, IBM Petroleum Company (H) China	1,024	3.75	6.55	167
168	BladeCenter Xeon 3.06 GHz, Gig-Ethernet, IBM Bank (H) Germany	1,064	3.75	6.51
169	BladeCenter Xeon 3.06 GHz, Gig-Ethernet, IBM ConocoPhillips United States	1,056	3.75	6.46
170	xSeries Cluster Xeon 3.06 GHz - Gig-E, IBM Petroleum Company (C) Brazil	1,024	3.75	6.27
171	xSeries Cluster Xeon 3.06 GHz - Gig-E, IBM Petroleum Geo-Services United States	1,024	3.75	6.27
172	xSeries Xeon 3.06 GHz - Gig-E, IBM IBM - Deep Computing Capacity on Demand Center United States	1,000	3.75	6.12
173	bwr1 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet, HPE Petróleo Brasileiro S.A Brazil	1,300	3.74	7.96
174	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	1,288	3.72	9.27	211
175	pSeries 690 Turbo 1.3 GHz, IBM Naval Oceanographic Office - NAVO DSRC United States	1,408	3.72	7.32
176	eServer pSeries p5 575 1.9 GHz, IBM Louisiana State University United States	560	3.71	4.26	91
177	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Classified Netherlands	1,024	3.66	6.55
178	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE ConocoPhillips United States	1,024	3.66	6.55
179	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Financial Institution (K) United States	1,024	3.66	6.55
180	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	970	3.65	6.98	158
181	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Calyon France	1,056	3.65	6.76
182	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Calyon France	1,056	3.65	6.76
183	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	966	3.64	6.96	158
184	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	966	3.64	6.96	158
185	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	966	3.64	6.96	158
186	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	966	3.64	6.96	158
187	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (C) United States	966	3.64	6.96	158
188	BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet, IBM IBM Poughkeepsie Benchmarking Center United States	512	3.64	5.12
189	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Financial Services (O) United Kingdom	952	3.59	6.85	155
190	BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz, Gig-Ethernet, IBM Geoscience (J) China	980	3.59	6.66	160
191	BladeCenter HS20 Cluster, Xeon 3.06 GHz, GigEthernet, IBM Bank (H) Germany	1,448	3.59	8.86
192	BladeCenter LS20, Opteron 2.4 GHz Dual core, Infiniband, IBM On Demand Center United States	1,456	3.59	6.99
193	BladeCenter LS20, Opteron 2.4 GHz Dual core, Infiniband, IBM On Demand Center United States	1,456	3.59	6.99
194	BladeCenter LS20, Opteron 2.4 GHz Dual core, Infiniband, IBM On Demand Center United States	1,456	3.59	6.99
195	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Banque National Paris France	992	3.55	6.35
196	Cluster Platform 4000 DL145 Opteron 2.4 GHz Myrinet, HPE Digital Media Company (B) United States	944	3.53	4.53
197	SuperDome 1 GHz/HyperPlex, HPE Fujitsu Services United Kingdom	1,664	3.53	6.66
198	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (F) India	930	3.52	6.70	152
199	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (F) India	930	3.52	6.70	152
200	BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet, IBM Semiconductor Company (K) Malaysia	930	3.52	6.70	152