| 1 | DOE/NNSA/LANL United States | BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz , Voltaire Infiniband IBM | 129600 | 1105 | 1456.7 |
| 2 | Oak Ridge National Laboratory United States | Cray XT5 QC 2.3 GHz Cray Inc. | 150152 | 1059 | 1381.4 |
| 3 | NASA/Ames Research Center/NAS United States | SGI Altix ICE 8200EX, Xeon QC 3.0/2.66 GHz SGI | 51200 | 487.01 | 608.83 |
| 4 | DOE/NNSA/LLNL United States | eServer Blue Gene Solution IBM | 212992 | 478.2 | 596.38 |
| 5 | Argonne National Laboratory United States | Blue Gene/P Solution IBM | 163840 | 450.3 | 557.06 |
| 6 | Texas Advanced Computing Center/Univ. of Texas United States | SunBlade x6420, Opteron QC 2.3 Ghz, Infiniband Sun Microsystems | 62976 | 433.2 | 579.38 |
| 7 | NERSC/LBNL United States | Cray XT4 QuadCore 2.3 GHz Cray Inc. | 38642 | 266.3 | 355.51 |
| 8 | Oak Ridge National Laboratory United States | Cray XT4 QuadCore 2.1 GHz Cray Inc. | 30976 | 205 | 260.2 |
| 9 | NNSA/Sandia National Laboratories United States | Sandia/ Cray Red Storm, XT3/4, 2.4/2.2 GHz dual/quad core Cray Inc. | 38208 | 204.2 | 284 |
| 10 | Shanghai Supercomputer Center China | Dawning 5000A, QC Opteron 1.9 Ghz, Infiniband, Windows HPC 2008 Dawning | 30720 | 180.6 | 233.47 |
| 11 | Forschungszentrum Juelich (FZJ) Germany | Blue Gene/P Solution IBM | 65536 | 180 | 222.82 |
| 12 | New Mexico Computing Applications Center (NMCAC) United States | SGI Altix ICE 8200, Xeon quad core 3.0 GHz SGI | 14336 | 133.2 | 172.03 |
| 13 | Computational Research Laboratories, TATA SONS India | Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband Hewlett-Packard | 14384 | 132.8 | 172.61 |
| 14 | Grand Equipement National de Calcul Intensif - Centre Informatique National de l'Enseignement Supц╘rieur (GENCI-CINES) France | SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz SGI | 12288 | 128.4 | 146.74 |
| 15 | National Institute for Computational Sciences/University of Tennessee United States | Cray XT4 QuadCore 2.3 GHz Cray Inc. | 17956 | 125.13 | 165.2 |
| 16 | IDRIS France | Blue Gene/P Solution IBM | 40960 | 112.5 | 139.26 |
| 17 | Total Exploration Production France | SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz SGI | 10240 | 106.1 | 122.88 |
| 18 | Government Agency Sweden | Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband Hewlett-Packard | 13728 | 102.8 | 146.43 |
| 19 | Computer Network Information Center, Chinese Academy of Science China | DeepComp 7000, HS21/x3950 Cluster, Xeon QC HT 3 GHz/2.93 GHz, Infiniband Lenovo | 12216 | 102.8 | 145.97 |
| 20 | Pacific Northwest National Laboratory United States | Cluster Platform 4000 DL185G5, Opteron QC 2.2 GHz, Infiniband DDR Hewlett-Packard | 18176 | 97.07 | 159.95 |
| 21 | ECMWF United Kingdom | Power 575, p6 4.7 GHz, Infiniband IBM | 8320 | 92.98 | 156.42 |
| 22 | IBM/ECMWF United States | Power 575, p6 4.7 GHz, Infiniband IBM | 8288 | 92.98 | 155.81 |
| 23 | RZG/Max-Planck-Gesellschaft MPI/IPP Germany | Power 575, p6 4.7 GHz, Infiniband IBM | 6720 | 92.98 | 126.34 |
| 24 | EDF R&D France | Blue Gene/P Solution IBM | 32768 | 92.96 | 111.41 |
| 25 | IBM Thomas J. Watson Research Center United States | eServer Blue Gene Solution IBM | 40960 | 91.29 | 114.69 |
| 26 | Naval Oceanographic Office - NAVO MSRC United States | Cray XT5 QC 2.3 GHz Cray Inc. | 12733 | 90.84 | 117.13 |
| 27 | Information Technology Center, The University of Tokyo Japan | Hitachi Cluster Opteron QC 2.3 GHz, Myrinet 10G Hitachi | 12288 | 82.98 | 113.05 |
| 28 | Stony Brook/BNL, New York Center for Computational Sciences United States | eServer Blue Gene Solution IBM | 36864 | 82.16 | 103.22 |
| 29 | GSIC Center, Tokyo Institute of Technology Japan | Sun Fire x4600/x6250, Opteron 2.4/2.6 GHz, Xeon E5440 2.833 GHz, ClearSpeed CSX600, nVidia GT200; Voltaire Infiniband NEC/Sun | 30976 | 77.48 | 161.82 |
| 30 | US Army Research Laboratory (ARL) United States | Cray XT5 QC 2.3 GHz Cray Inc. | 10400 | 76.8 | 95.68 |
| 31 | CSC (Center for Scientific Computing) Finland | Cray XT5/XT4 QC 2.3 GHz Cray Inc. | 10816 | 76.51 | 99.51 |
| 32 | Center for Computational Sciences, University of Tsukuba Japan | Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband Appro International | 10000 | 76.46 | 92 |
| 33 | DOE/NNSA/LLNL United States | eServer pSeries p5 575 1.9 GHz IBM | 12208 | 75.76 | 92.78 |
| 34 | Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations United States | eServer Blue Gene Solution IBM | 32768 | 73.03 | 91.75 |
| 35 | Joint Supercomputer Center Russia | Cluster Platform 3000 BL460c/BL2x220, Xeon 54xx 3 Ghz, Infiniband Hewlett-Packard | 7920 | 71.28 | 95.04 |
| 36 | NOAA R&D/ National Centers for Environmental Prediction United States | Power 575, p6 4.7 GHz, Infiniband IBM | 4992 | 69.74 | 93.85 |
| 37 | NCSA United States | PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4 Dell | 9600 | 68.48 | 89.59 |
| 38 | Naval Oceanographic Office - NAVO MSRC United States | Power 575, p6 4.7 GHz, Infiniband IBM | 4896 | 68.39 | 92.04 |
| 39 | NASA/Ames Research Center/NAS United States | SGI Altix 1.5/1.6/1.66 GHz, Voltaire Infiniband SGI | 13824 | 66.57 | 82.94 |
| 40 | Barcelona Supercomputing Center Spain | BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet IBM | 10240 | 63.83 | 94.21 |
| 41 | DOE/NNSA/LANL United States | BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz , Infiniband IBM | 7200 | 63.25 | 80.93 |
| 42 | IBM Poughkeepsie Benchmarking Center United States | BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz , Infiniband IBM | 7200 | 63.25 | 80.93 |
| 43 | NCAR (National Center for Atmospheric Research) United States | Power 575, p6 4.7 GHz, Infiniband IBM | 4064 | 57.73 | 76.4 |
| 44 | Leibniz Rechenzentrum Germany | Altix 4700 1.6 GHz SGI | 9728 | 56.52 | 62.26 |
| 45 | ERDC MSRC United States | Cray XT4 QuadCore 2.1 GHz Cray Inc. | 8464 | 56.25 | 71.1 |
| 46 | University of Edinburgh United Kingdom | Cray XT4, 2.8 GHz Cray Inc. | 11328 | 54.65 | 63.44 |
| 47 | NNSA/Sandia National Laboratories United States | PowerEdge 1850, 3.6 GHz, Infiniband Dell | 9024 | 53 | 64.97 |
| 48 | Commissariat a l'Energie Atomique (CEA) France | NovaScale 5160, Itanium2 1.6 GHz, Quadrics Bull SA | 9968 | 52.84 | 63.8 |
| 49 | Wright-Patterson Air Force Base/DoD ASC United States | Altix 4700 1.6 GHz SGI | 9216 | 51.44 | 58.98 |
| 50 | IDRIS France | Power 575, p6 4.7 GHz, Infiniband IBM | 3584 | 50.55 | 67.38 |
| 51 | Kyoto University Japan | Fujitsu Cluster HX600, Opteron Quad Core, 2.3 GHz, Infiniband Fujitsu | 6656 | 50.51 | 61.24 |
| 52 | SARA (Stichting Academisch Rekencentrum) Netherlands | Power 575, p6 4.7 GHz, Infiniband IBM | 3328 | 48.93 | 62.57 |
| 53 | University of Toronto Canada | Power 575, p6 4.7 GHz, Infiniband IBM | 3328 | 48.93 | 62.57 |
| 54 | Moscow State University - Research Computing Center Russia | T-Platforms T60, Intel Quadcore 3Mhz, Infiniband DDR SKIF/T-Platforms | 5000 | 47.17 | 60 |
| 55 | National Supercomputer Centre (NSC) Sweden | Cluster Platform 3000 DL140 Cluster, Xeon 53xx 2.33GHz Infiniband Hewlett-Packard | 6440 | 47.03 | 60.02 |
| 56 | IBM - Rochester United States | Blue Gene/P Solution IBM | 16384 | 46.83 | 55.71 |
| 57 | RZG/Max-Planck-Gesellschaft MPI/IPP Germany | Blue Gene/P Solution IBM | 16384 | 46.83 | 55.71 |
| 58 | Texas Advanced Computing Center/Univ. of Texas United States | PowerEdge 1955, 2.66 GHz, Infiniband Dell | 5848 | 46.73 | 62.22 |
| 59 | HPC2N - Umea University Sweden | BladeCenter HS21 Cluster, Xeon QC HT 2.5 GHz, IB, Windows HPC 2008/CentOS IBM | 5376 | 46.04 | 53.76 |
| 60 | Clemson University United States | PowerEdge 1950/SunFire X2200 Cluster Intel 53xx/54xx 2.33Ghz, Opteron 2.3 Ghz, Myrinet 10G Dell/Sun | 6120 | 45.61 | 56.55 |
| 61 | University of Southern California United States | PowerEdge 1950/SunFire X2200 Cluster Intel 53xx 2.33Ghz, Opteron 2.3 Ghz, Myrinet 10G Dell/Sun | 6120 | 44.19 | 56.3 |
| 62 | Automotive Manufacturer Japan | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, Infiniband IBM | 4880 | 43.79 | 58.56 |
| 63 | Maui High-Performance Computing Center (MHPCC) United States | PowerEdge 1955, 3.0 GHz, Infiniband Dell | 5200 | 42.39 | 62.4 |
| 64 | Commissariat a l'Energie Atomique (CEA) France | Novascale 3045, Itanium2 1.6 GHz, Infiniband Bull SA | 7680 | 42.13 | 49.15 |
| 65 | US Army Research Laboratory (ARL) United States | Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB Linux Networx | 4416 | 40.61 | 52.99 |
| 66 | University of Bergen Norway | Cray XT4 QuadCore 2.3 GHz Cray Inc. | 5550 | 40.59 | 51.06 |
| 67 | R-Systems United States | Dell DCS CS23-SH, QC HT 2.8 GHz, Infiniband Dell | 4608 | 39.58 | 51.61 |
| 68 | Gdansk University of Technology, CI Task Poland | ACTION Cluster Xeon E5345 Infiniband ACTION | 5336 | 38.17 | 49.73 |
| 69 | Center for Development of Advanced Computing (C-DAC) India | PARAMcluster, Xeon 73xx 2.93 Ghz, Infiniband Hewlett-Packard | 4608 | 37.8 | 54.01 |
| 70 | Forschungszentrum Juelich (FZJ) Germany | eServer Blue Gene Solution IBM | 16384 | 37.33 | 45.88 |
| 71 | Fiat Italy | Cluster Platform 4000 BL465c, Opteron QC 2.3GHz, Infniband DDR Hewlett-Packard | 5120 | 37.15 | 48.25 |
| 72 | Turboinstitute Slovenia | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, Infiniband IBM | 4096 | 36.75 | 49.15 |
| 73 | Lawrence Livermore National Laboratory United States | Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband Appro International | 9216 | 36.62 | 44.24 |
| 74 | The Earth Simulator Center Japan | Earth-Simulator NEC | 5120 | 35.86 | 40.96 |
| 75 | ERDC MSRC United States | Cray XT3, 2.6 GHz dual Core Cray Inc. | 8192 | 35.2 | 42.6 |
| 76 | ASTRON/University Groningen Netherlands | Blue Gene/P Solution IBM | 12288 | 35.12 | 41.78 |
| 77 | Louisiana Optical Network Initiative United States | PowerEdge 1950, 2.33 GHz, Infiniband Dell | 5440 | 34.78 | 50.77 |
| 78 | Atomic Weapons Establishment United Kingdom | Cray XT3, 2.6 GHz dual Core Cray Inc. | 7812 | 33.93 | 40.62 |
| 79 | IT Service Provider United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 5216 | 33.33 | 62.59 |
| 80 | Max-Planck-Gesellschaft MPI/Albert-Einstein-Institut Germany | Pyramid Cluster Xeon QC 32xx 2.4 GHz, GigEthernet Pyramid Computer | 5420 | 32.8 | 52.03 |
| 81 | Harvard University - FAS Research Computing United States | PowerEdge M600 Cluster, Xeon E5410 2.3Ghz, Infiniband Dell | 4096 | 32.41 | 38.17 |
| 82 | University of Tromso Norway | Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet Hewlett-Packard | 5632 | 31.86 | 59.92 |
| 83 | Arizona State University High Performance Computing Center United States | PowerEdge M100e/M600, E54xx/X5355 2.83/2.66 GHz, Infiniband Dell | 4200 | 30.11 | 44.69 |
| 84 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4584 | 29.37 | 55.01 |
| 85 | HWW/Universitaet Stuttgart Germany | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband IBM | 3424 | 29.32 | 38.76 |
| 86 | Geophysics Company Switzerland | Dalco r2164i Cluster, X54xx 3.0 Ghz, Quadrics DALCO AG Switzerland | 2880 | 28.99 | 34.56 |
| 87 | University of Bristol United Kingdom | xSeries x3450 Cluster Xeon quad core, 2.8 GHz, Infiniband ClusterVision/IBM | 3360 | 28.78 | 37.63 |
| 88 | University of North Carolina United States | PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband Dell | 4160 | 28.77 | 38.82 |
| 89 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR Hewlett-Packard | 3456 | 28.39 | 36.87 |
| 90 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR Hewlett-Packard | 3456 | 28.39 | 36.87 |
| 91 | University of Oklahoma United States | PowerEdge 1950, Xeon E54xx, 2 GHz, Infiniband Dell | 4176 | 28.03 | 33.41 |
| 92 | Intel Corporation SCTO HPC United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 5184 | 27.72 | 62.21 |
| 93 | Telecommunication Company China | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 5584 | 27.68 | 52.04 |
| 94 | ASTRON/University Groningen Netherlands | eServer Blue Gene Solution IBM | 12288 | 27.45 | 34.41 |
| 95 | IT Service Provider United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4280 | 27.45 | 51.36 |
| 96 | IT Service Provider United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4280 | 27.45 | 51.36 |
| 97 | IT Service Provider United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4280 | 27.45 | 51.36 |
| 98 | IT Service Provider United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4280 | 27.45 | 51.36 |
| 99 | Lawrence Livermore National Laboratory United States | Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband Appro International | 6912 | 27.38 | 33.18 |
| 100 | Clemson University Computational Center for Mobility Systems United States | SunBlade x6250, Xeon L5420 2.5GHz, Infiniband DDR Sun Microsystems | 3440 | 27.37 | 34.4 |
| 101 | WETA Digital New Zealand | Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, GigE Hewlett-Packard | 5120 | 27.28 | 51.2 |
| 102 | WETA Digital New Zealand | Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, GigE Hewlett-Packard | 5120 | 27.28 | 51.2 |
| 103 | WETA Digital New Zealand | Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, GigE Hewlett-Packard | 5120 | 27.28 | 51.2 |
| 104 | WETA Digital New Zealand | Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, GigE Hewlett-Packard | 5120 | 27.28 | 51.2 |
| 105 | Purdue University United States | PowerEdge 1950, Xeon E54xx, 2.33 GHz, GigE Dell | 5600 | 26.8 | 52.25 |
| 106 | NOAA/ESRL/GSD United States | NOW Cluster - Intel Xeon 51xx/E54xx 2.8 Ghz, Infiniband Raytheon-Aspen Systems/Appro | 3440 | 26.73 | 36.6 |
| 107 | HLRN at Universitaet Hannover / RRZN Germany | SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz SGI | 2560 | 26.69 | 30.72 |
| 108 | HLRN at ZIB/Konrad Zuse-Zentrum fuer Informationstechnik Germany | SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz SGI | 2560 | 26.69 | 30.72 |
| 109 | University of Alaska - Arctic Region Supercomputing Center United States | Cray XT5 QC 2.3 GHz Cray Inc. | 3456 | 26.31 | 31.8 |
| 110 | Energy Company (G) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4096 | 26.29 | 49.15 |
| 111 | Energy Company (G) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4096 | 26.29 | 49.15 |
| 112 | Semiconductor Company (Q) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR Hewlett-Packard | 3200 | 26.29 | 34.14 |
| 113 | Semiconductor Company (Q) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR Hewlett-Packard | 3200 | 26.29 | 34.14 |
| 114 | Semiconductor Company (Q) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR Hewlett-Packard | 3200 | 26.29 | 34.14 |
| 115 | Semiconductor Company (Q) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR Hewlett-Packard | 3200 | 26.29 | 34.14 |
| 116 | Intel Corporation ORTO HPC United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 4000 | 25.53 | 48 |
| 117 | IT Service Provider United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3976 | 25.53 | 47.71 |
| 118 | Irish Centre for High-End Computing Ireland | SGI Altix ICE 8200EX, Xeon quad core 2.80 GHz SGI | 2560 | 25.11 | 28.67 |
| 119 | Kurchatov Institute Moscow Russia | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, Infiniband Hewlett-Packard | 3456 | 25.08 | 32.21 |
| 120 | Semiconductor Company (D) Israel | xSeries x3450 Cluster Xeon quad core, 3.0 GHz, GigEthernet IBM | 5096 | 24.67 | 61.15 |
| 121 | Retail United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 5136 | 24.67 | 54.79 |
| 122 | CNPC Sichuan Geophysical Company China | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 5040 | 24.67 | 53.63 |
| 123 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2 GHz, GigEthernet Hewlett-Packard | 5760 | 24.49 | 46.08 |
| 124 | IT Service Provider (D) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3776 | 24.24 | 45.31 |
| 125 | Columbia University United States | Cluster Platform 3000 BL2x220, E54xx 3.0 Ghz, GigE Hewlett-Packard | 3712 | 23.86 | 44.54 |
| 126 | Data Management United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 4800 | 23.62 | 51.21 |
| 127 | Bulgarian State Agency for Information Technology and Communications (SAITC) Bulgaria | Blue Gene/P Solution IBM | 8192 | 23.42 | 27.85 |
| 128 | Centre for High Performance Computing South Africa | Blue Gene/P Solution IBM | 8192 | 23.42 | 27.85 |
| 129 | Moscow State University Russia | Blue Gene/P Solution IBM | 8192 | 23.42 | 27.85 |
| 130 | Oak Ridge National Laboratory United States | Blue Gene/P Solution IBM | 8192 | 23.42 | 27.85 |
| 131 | Stony Brook/BNL, New York Center for Computational Sciences United States | Blue Gene/P Solution IBM | 8192 | 23.42 | 27.85 |
| 132 | Research Institution Spain | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, Infiniband Hewlett-Packard | 2816 | 23.4 | 30.04 |
| 133 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 52xx 3 GHz, GigEthernet Hewlett-Packard | 3624 | 23.3 | 43.49 |
| 134 | IT Service Provider (C) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3576 | 22.99 | 42.91 |
| 135 | National Astronomical Observatory of Japan Japan | Cray XT4 QuadCore 2.2 GHz Cray Inc. | 3248 | 22.93 | 28.58 |
| 136 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 4608 | 22.92 | 42.95 |
| 137 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 4608 | 22.92 | 42.95 |
| 138 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 4608 | 22.92 | 42.95 |
| 139 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 4608 | 22.92 | 42.95 |
| 140 | IT Service Provider (C) Belgium | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 3984 | 22.73 | 42.49 |
| 141 | Caltech United States | PowerEdge 1950, 2.33 GHz, Myrinet Dell | 4096 | 22.59 | 37.7 |
| 142 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3480 | 22.39 | 41.76 |
| 143 | IT Service Provider (C) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 4184 | 22.37 | 41.84 |
| 144 | Petroleum Company China | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 4464 | 22.14 | 47.62 |
| 145 | Animal Logic Australia | Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, GigE Hewlett-Packard | 4096 | 21.91 | 40.96 |
| 146 | Financial Services (O) United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 2.5 GHz, GigEthernet Hewlett-Packard | 4096 | 21.91 | 40.96 |
| 147 | Intel United States | Intel Cluster, Xeon E54xx, 2.8 GHz, Infiniband Intel | 2296 | 21.81 | 25.72 |
| 148 | Indiana University United States | BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet IBM | 3072 | 21.79 | 30.72 |
| 149 | Financial Services (H) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 4072 | 21.78 | 40.72 |
| 150 | Financial Services (H) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 4072 | 21.78 | 40.72 |
| 151 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.33 GHz, GigEthernet Hewlett-Packard | 4352 | 21.67 | 40.56 |
| 152 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.83 GHz, GigEthernet Hewlett-Packard | 3568 | 21.64 | 40.39 |
| 153 | Food Industry United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3352 | 21.57 | 40.22 |
| 154 | Environment Canada Canada | eServer pSeries p5 575 1.9 GHz IBM | 3472 | 21.55 | 26.39 |
| 155 | Holland Computing Center at PKI United States | PowerEdge SC1435 Dual core Opteron 2.8 GHz, Infiniband Dell | 4604 | 21.5 | 25.78 |
| 156 | Cray Inc. United States | Cray XT5 QC 2.3 GHz Cray Inc. | 2816 | 21.44 | 25.91 |
| 157 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 4256 | 21.2 | 39.67 |
| 158 | IT Service Provider (D) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 3704 | 21.16 | 39.51 |
| 159 | IT Service Provider (C) United States | Cluster Platform 4000 BL465c, Opteron DC 2.4GHz, GigEthernet Hewlett-Packard | 8192 | 21.03 | 39.32 |
| 160 | Information Agency France | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 4208 | 20.97 | 39.22 |
| 161 | Audi AG Germany | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband DDR Hewlett-Packard | 2432 | 20.95 | 29.18 |
| 162 | Financial Services (H) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 3904 | 20.89 | 39.04 |
| 163 | Financial Institution (S1) Spain | Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet Hewlett-Packard | 5248 | 20.79 | 39.05 |
| 164 | Food Industry United Kingdom | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet Hewlett-Packard | 3200 | 20.61 | 38.4 |
| 165 | Food Industry United Kingdom | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet Hewlett-Packard | 3200 | 20.61 | 38.4 |
| 166 | Government Classified United States | Cluster Platform 6000 rx1620, Itanium2 1.6 GHz, Quadrics Hewlett-Packard | 4096 | 20.45 | 26.21 |
| 167 | Energy Company (G) Malaysia | Cluster Platform 3000 DL140, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 4096 | 20.44 | 38.22 |
| 168 | Financial Institution (D) United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 4096 | 20.42 | 38.17 |
| 169 | Financial Services (H) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 3784 | 20.26 | 37.84 |
| 170 | Digital Media United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 4032 | 20.24 | 48.38 |
| 171 | Digital Media United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 4032 | 20.24 | 48.38 |
| 172 | Cardiff University - ARCCA United Kingdom | Novascale R422 Cluster, Xeon E5472, 3.00 GHz, Infiniband Bull SA | 2048 | 20.12 | 24.58 |
| 173 | Naval Oceanographic Office - NAVO MSRC United States | eServer pSeries p5 575 1.9 GHz IBM | 3072 | 20.07 | 23.35 |
| 174 | IBM Advanced Client Technology Center United States | eServer pSeries p5 575 1.9 GHz IBM | 3072 | 20.07 | 23.35 |
| 175 | University of Reading United Kingdom | BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet IBM | 2800 | 20.05 | 28 |
| 176 | Software United States | xSeries x3550 Cluster Xeon QC HT, 2.5 GHz, GigEthernet IBM | 4344 | 19.98 | 43.44 |
| 177 | Lawrence Livermore National Laboratory United States | Intel Itanium2 Tiger4 1.4GHz - Quadrics California Digital Corporation | 4096 | 19.94 | 22.94 |
| 178 | CINECA Italy | BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband IBM | 2560 | 19.91 | 30.72 |
| 179 | CINECA Italy | BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband IBM | 2560 | 19.91 | 30.72 |
| 180 | National Center for High Performance Computing Taiwan | xSeries x3550 Cluster Xeon, 3 GHz, Infiniband IBM | 2080 | 19.91 | 24.96 |
| 181 | Energy Company (G) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3072 | 19.79 | 36.86 |
| 182 | Energy Company (G) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3072 | 19.79 | 36.86 |
| 183 | Energy Company (G) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3072 | 19.79 | 36.86 |
| 184 | Energy Company (G) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3072 | 19.79 | 36.86 |
| 185 | Financial Institution (U1) United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 3920 | 19.75 | 41.82 |
| 186 | CERN Switzerland | NOW Cluster - Intel Xeon 53xx, 2.33 GHz, GigEthernet Self-made | 3760 | 19.69 | 35.04 |
| 187 | Semiconductor Company (M) United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband Hewlett-Packard | 4896 | 19.6 | 25.46 |
| 188 | Semiconductor Company (O) United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 3408 | 19.49 | 36.36 |
| 189 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 3012 | 19.41 | 36.14 |
| 190 | SGI United States | SGI Altix ICE 8200, 3.0 GHz SGI | 2048 | 19.36 | 24.58 |
| 191 | Food Industry United Kingdom | Cluster Platform 3000 BL460c, Xeon E54xx 2.83 GHz, GigEthernet Hewlett-Packard | 3184 | 19.34 | 36.04 |
| 192 | Universitц╓t Ulm/ Universitц╓t Konstanz Germany | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband IBM | 2240 | 19.18 | 25.36 |
| 193 | Logistic Services (C) United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet Hewlett-Packard | 2976 | 19.18 | 35.71 |
| 194 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 3840 | 19.16 | 35.79 |
| 195 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 3824 | 19.08 | 35.64 |
| 196 | IT Consulting United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 3760 | 19.05 | 40.11 |
| 197 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon L54xx 2.83 GHz, GigEthernet Hewlett-Packard | 3120 | 18.96 | 35.32 |
| 198 | Web Content Provider (W) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.83 GHz, GigEthernet Hewlett-Packard | 3120 | 18.96 | 35.32 |
| 199 | Web Content Provider (W) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.83 GHz, GigEthernet Hewlett-Packard | 3120 | 18.96 | 35.32 |
| 200 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2940 | 18.95 | 35.28 |
| 201 | University College London (UCL) United Kingdom | PowerEdge 1950, Xeon 51xx 3.06 GHz, Infinipath ClusterVision/Dell | 1992 | 18.93 | 24.38 |
| 202 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR Hewlett-Packard | 2304 | 18.93 | 24.58 |
| 203 | Universitaet Aachen/RWTH Germany | PRIMERGY RX200 S4 Cluster, Quad Core 3Ghz, Infiniband, Windows HPC 2008 UNICORNER/Fujitsu-Siemens | 2048 | 18.81 | 24.58 |
| 204 | Web Content Provider (W) United States | Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE Hewlett-Packard | 3752 | 18.73 | 34.97 |
| 205 | Web Content Provider (W) United States | Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE Hewlett-Packard | 3752 | 18.73 | 34.97 |
| 206 | Web Content Provider (W) United States | Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE Hewlett-Packard | 3752 | 18.73 | 34.97 |
| 207 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 52xx 3 GHz, GigEthernet Hewlett-Packard | 2896 | 18.67 | 34.75 |
| 208 | Computational Biology Research Center, AIST Japan | eServer Blue Gene Solution IBM | 8192 | 18.67 | 22.94 |
| 209 | EDF R&D France | eServer Blue Gene Solution IBM | 8192 | 18.67 | 22.94 |
| 210 | Ecole Polytechnique Federale de Lausanne Switzerland | eServer Blue Gene Solution IBM | 8192 | 18.67 | 22.94 |
| 211 | High Energy Accelerator Research Organization /KEK Japan | eServer Blue Gene Solution IBM | 8192 | 18.67 | 22.94 |
| 212 | High Energy Accelerator Research Organization /KEK Japan | eServer Blue Gene Solution IBM | 8192 | 18.67 | 22.94 |
| 213 | IBM Rochester, On Demand Deep Computing Center United States | eServer Blue Gene Solution IBM | 8192 | 18.67 | 22.94 |
| 214 | Indian Institute of Science India | eServer Blue Gene Solution IBM | 8192 | 18.67 | 22.94 |
| 215 | Financial DCCoD (B) United Kingdom | BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet IBM | 3840 | 18.6 | 46.08 |
| 216 | Semiconductor Company (C) United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet IBM | 4208 | 18.6 | 44.77 |
| 217 | Financial Services (N) United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet IBM | 4092 | 18.6 | 43.65 |
| 218 | Government United States | xSeries x3650 Cluster Xeon dual core 2.66 GHz, GigEthernet IBM | 3976 | 18.6 | 42.42 |
| 219 | Data Processing United States | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 4220 | 18.6 | 39.38 |
| 220 | Sinopec ShengLI Oilfield Branch Company, Geophysical Research Institute China | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 4096 | 18.6 | 38.22 |
| 221 | Interdisciplinary Centre for Mathematical and Computational Modelling, University of Warsaw Poland | BladeCenter QS22 Cluster, PowerXCell 8i 4.0 Ghz, Infiniband IBM | 2016 | 18.57 | 30.46 |
| 222 | JAXA Japan | Fujitsu FX1, Quadcore SPARC64 VII 2.52 GHz, Infiniband DDR Fujitsu | 2048 | 18.54 | 20.64 |
| 223 | Semiconductor Company (C) United States | xSeries x3450 Cluster Xeon quad core, 3.0 GHz, GigEthernet IBM | 3784 | 18.52 | 45.41 |
| 224 | Semiconductor Company (C) United States | xSeries x3450 Cluster Xeon quad core, 3.0 GHz, GigEthernet IBM | 3784 | 18.52 | 45.41 |
| 225 | Semiconductor Company (C) United States | xSeries x3450 Cluster Xeon quad core, 3.0 GHz, GigEthernet IBM | 3784 | 18.52 | 45.41 |
| 226 | Supercomputing and Visualization in Paralel Laboratory, Universidad Autonoma Metropolitana Mexico | Lufac Cluster, Intel Xeon E54xx 3.0 Ghz, Infiniband LUFAC Computacion SA de CV | 2120 | 18.48 | 25.44 |
| 227 | Financial Institution (M) United States | Cluster Platform 3000 BL680c, Xeon 73xx 2.4 Ghz, GigabitEth Hewlett-Packard | 3584 | 18.44 | 34.41 |
| 228 | Financial Institution (M) United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet Hewlett-Packard | 6608 | 18.43 | 34.36 |
| 229 | Gaming France | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3592 | 18.31 | 43.1 |
| 230 | Gaming France | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3592 | 18.31 | 43.1 |
| 231 | IT Service Provider (C) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 3408 | 18.27 | 34.08 |
| 232 | IT Service Provider (C) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 3408 | 18.27 | 34.08 |
| 233 | Food Industry France | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 3200 | 18.27 | 34.05 |
| 234 | Logistic Services (D) Germany | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 3200 | 18.27 | 34.05 |
| 235 | Cambridge University United Kingdom | PowerEdge 1950, 3.0 GHz, Infinipath ClusterVision/Dell | 2340 | 18.27 | 28.08 |
| 236 | Lawrence Livermore National Laboratory United States | Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband Appro International | 4608 | 18.24 | 22.12 |
| 237 | Automotive Company () United Kingdom | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, Infiniband IBM | 2016 | 18.09 | 24.19 |
| 238 | Financial Institution United States | xSeries x3550 Cluster Xeon quad core 3.0 GHz, Infiniband IBM | 2016 | 18.09 | 24.19 |
| 239 | IT Services Provider (C) Sweden | Cluster Platform 3000 BL460c, Xeon E54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2960 | 18 | 33.51 |
| 240 | IT Service Provider (C) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.5 GHz, GigEthernet Hewlett-Packard | 3352 | 17.98 | 33.52 |
| 241 | Financial Services (M) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2768 | 17.9 | 33.22 |
| 242 | Government United States | xSeries x3650 Cluster Xeon dual core 2.66 GHz, GigEthernet IBM | 3224 | 17.87 | 34.39 |
| 243 | Government United States | xSeries x3650 Cluster Xeon dual core 2.66 GHz, GigEthernet IBM | 3224 | 17.87 | 34.39 |
| 244 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 52xx 2.6 GHz, GigEthernet Hewlett-Packard | 3112 | 17.82 | 33.2 |
| 245 | Semiconductor Company (C) United States | BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet IBM | 3672 | 17.79 | 44.06 |
| 246 | Semiconductor Company (C) United States | BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet IBM | 3672 | 17.79 | 44.06 |
| 247 | Idaho National Laboratory United States | SGI Altix ICE 8200, 2.66 GHz SGI | 2048 | 17.78 | 21.79 |
| 248 | Telecommunication Company Italy | Cluster Platform 3000 BL460c, Xeon 54xx 2.6 GHz, GigEthernet Hewlett-Packard | 3096 | 17.68 | 32.94 |
| 249 | Telecommunication Company China | Cluster Platform 3000 BL460c, Xeon 54xx 2.6 GHz, GigEthernet Hewlett-Packard | 3096 | 17.68 | 32.94 |
| 250 | Financial Institution (M) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2904 | 17.66 | 32.87 |
| 251 | Financial Institution (M) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2904 | 17.66 | 32.87 |
| 252 | Food Industry United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2704 | 17.57 | 32.45 |
| 253 | IT Services Provider (C) Sweden | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2704 | 17.57 | 32.45 |
| 254 | University of Utah United States | SunBlade x2250, Xeon E5420 2.8GHz, InfiniPath Sun Microsystems | 2048 | 17.52 | 23.18 |
| 255 | Semiconductor Company (Q) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2688 | 17.48 | 32.26 |
| 256 | Semiconductor Company (Q) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2688 | 17.48 | 32.26 |
| 257 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 258 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 259 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 260 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 261 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 262 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 263 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 264 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 265 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3376 | 17.36 | 40.51 |
| 266 | Universitaet Mainz Germany | Cluster Platform 3000 DL160, Xeon 54xx 2.8 GHz, Infiniband Hewlett-Packard | 2000 | 17.36 | 22.4 |
| 267 | Petro China China | BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet IBM | 4048 | 17.36 | 37.78 |
| 268 | University of Minnesota United States | SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband SGI | 2048 | 17.31 | 21.79 |
| 269 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 3456 | 17.27 | 32.21 |
| 270 | Financial Services (M) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2640 | 17.23 | 31.68 |
| 271 | Life Science (C) United States | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 3540 | 17.15 | 33.04 |
| 272 | ENEA Italy | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband IBM | 2504 | 17.14 | 23.34 |
| 273 | NanJing Institute of Geophysical Prospecting, PEPRIS, SINOPEC China | BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, Infiniband IBM | 2048 | 17.13 | 21.85 |
| 274 | University of Southern California United States | Opteron, Xeon Cluster, Myrinet Sun Microsystems | 6024 | 17.11 | 23.68 |
| 275 | Ohio Supercomputer Center United States | xSeries x3455 Cluster Opteron, 2.6 GHz, Infiniband IBM | 4144 | 17.1 | 21.55 |
| 276 | Financial Services (O) United Kingdom | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet IBM | 3528 | 17.09 | 37.64 |
| 277 | Pittsburgh Supercomputing Center United States | Cray XT3, 2.6 GHz dual Core Cray Inc. | 4136 | 17 | 21.51 |
| 278 | KISTI Supercomputing Center Korea, South | Sun Blade 6000, Opteron QC 2.0 GHz, Infiniband 4x Sun Microsystems | 3072 | 16.99 | 24.58 |
| 279 | Energy Company (A) Italy | BladeCenter LS21, Opteron Dual Core 2.6 GHz, Infiniband IBM | 4096 | 16.91 | 21.3 |
| 280 | Center for High-End Computer Systems, Virginia Tech United States | Apple Mac Pro Cluster, E54xx 2.8 Ghz, Infiniband Self-made | 2048 | 16.87 | 22.94 |
| 281 | Data Processing United States | xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet IBM | 3688 | 16.85 | 34.42 |
| 282 | Telecommunication Company China | Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet Hewlett-Packard | 3360 | 16.79 | 31.32 |
| 283 | Telecommunication Company China | Cluster Platform 3000 BL460c, Xeon E54xx 2 GHz, GigEthernet Hewlett-Packard | 3920 | 16.78 | 31.36 |
| 284 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet Hewlett-Packard | 2928 | 16.78 | 31.24 |
| 285 | Financial Institution Sweden | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 3352 | 16.75 | 31.24 |
| 286 | Colorado School of Mines/Golden Energy Computing Organization United States | PowerEdge 1950, Xeon 53xx 2.66 GHz, Infiniband Dell | 2030 | 16.7 | 21.68 |
| 287 | Weather Forcasting (W) France | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2540 | 16.69 | 30.48 |
| 288 | NCSA United States | PowerEdge 1955, 2.66 GHz, Infiniband Dell | 2048 | 16.68 | 21.3 |
| 289 | Texas Tech University United States | PowerEdge 1950, Quad Core 3.2 GHz, Infiniband Dell | 1680 | 16.68 | 20.11 |
| 290 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.33 GHz, GigEthernet Hewlett-Packard | 3328 | 16.64 | 31.02 |
| 291 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3200 | 16.59 | 38.4 |
| 292 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3200 | 16.59 | 38.4 |
| 293 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3200 | 16.59 | 38.4 |
| 294 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3200 | 16.59 | 38.4 |
| 295 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3200 | 16.59 | 38.4 |
| 296 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3200 | 16.59 | 38.4 |
| 297 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet IBM | 3200 | 16.59 | 38.4 |
| 298 | Energy Company (A) Italy | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 3200 | 16.59 | 34.14 |
| 299 | CILEA Italy | Cluster Platform 3000 BL460c, Xeon 54xx 3.16 GHz, Infiniband Hewlett-Packard | 1664 | 16.58 | 21.07 |
| 300 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2520 | 16.58 | 30.24 |
| 301 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2520 | 16.58 | 30.24 |
| 302 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2520 | 16.58 | 30.24 |
| 303 | Defense United States | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet IBM | 3376 | 16.52 | 38.22 |
| 304 | Defense United States | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet IBM | 3376 | 16.52 | 38.22 |
| 305 | IT Service Provider (C) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2488 | 16.41 | 29.86 |
| 306 | Federal University of Rio de Janeiro - NCE Brazil | PowerEdge 1950, 2.66 GHz, Infiniband Dell | 2048 | 16.24 | 21.79 |
| 307 | ECMWF United Kingdom | eServer pSeries p5 575 1.9 GHz IBM | 2480 | 16.2 | 18.85 |
| 308 | ECMWF United Kingdom | eServer pSeries p5 575 1.9 GHz IBM | 2480 | 16.2 | 18.85 |
| 309 | Consumer e-Commerce China | xSeries x3450 Cluster Xeon quad core, 2.5 GHz, GigEthernet IBM | 3520 | 16.19 | 35.2 |
| 310 | COLSA United States | Apple XServe, 2.0 GHz, Myrinet Self-made | 3072 | 16.18 | 24.58 |
| 311 | Cyfronet Poland | Cluster Platform 3000 BL2x220, L54xx 2.5 Ghz, Infiniband Hewlett-Packard | 2048 | 16.18 | 20.48 |
| 312 | Geoscience United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 3104 | 16.17 | 33.11 |
| 313 | Geoscience United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 3104 | 16.17 | 33.11 |
| 314 | Geoscience United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 3104 | 16.17 | 33.11 |
| 315 | Geoscience United States | BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet IBM | 3104 | 16.17 | 33.11 |
| 316 | IT Service Provider (B) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2440 | 16.15 | 29.28 |
| 317 | IT Service Provider (B) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2440 | 16.15 | 29.28 |
| 318 | IT Service Provider United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2432 | 16.1 | 29.18 |
| 319 | Financial Institution (P) France | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet IBM | 3288 | 16.09 | 37.22 |
| 320 | Financial Institution (P) France | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet IBM | 3288 | 16.09 | 37.22 |
| 321 | Financial Institution (P) France | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet IBM | 3288 | 16.09 | 37.22 |
| 322 | Financial Institution (P) France | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet IBM | 3288 | 16.09 | 37.22 |
| 323 | Web Services United States | BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet IBM | 3464 | 16.07 | 32.33 |
| 324 | Web Services United States | BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet IBM | 3464 | 16.07 | 32.33 |
| 325 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2416 | 16.01 | 28.99 |
| 326 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2416 | 16.01 | 28.99 |
| 327 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2416 | 16.01 | 28.99 |
| 328 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2416 | 16.01 | 28.99 |
| 329 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2416 | 16.01 | 28.99 |
| 330 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2416 | 16.01 | 28.99 |
| 331 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 2980 | 16 | 29.8 |
| 332 | Food Industry United Kingdom | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 3200 | 16 | 29.82 |
| 333 | IT Service Provider (B) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 3200 | 16 | 29.82 |
| 334 | Consulting (C) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2408 | 15.97 | 28.9 |
| 335 | Industrial Research India | BL460c, Xeon 54xx 3 GHz, Infiniband Hewlett-Packard | 1728 | 15.97 | 20.74 |
| 336 | CeSViMa - BSC Spain | BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet IBM | 2744 | 15.96 | 24.15 |
| 337 | PCSS Poznan Poland | Cluster Platform 3000 BL460c, Xeon 54xx 2.5 GHz, Infiniband Hewlett-Packard | 2048 | 15.95 | 20.48 |
| 338 | Financial Institution United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet Hewlett-Packard | 5696 | 15.91 | 29.62 |
| 339 | Data Processing United States | xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet IBM | 3416 | 15.9 | 31.88 |
| 340 | Banking (M) United States | BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet IBM | 3400 | 15.84 | 31.73 |
| 341 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2384 | 15.84 | 28.61 |
| 342 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2384 | 15.84 | 28.61 |
| 343 | Datacenter Germany | Cluster Platform 3000 BL460c, Xeon 54xx 2.5 GHz, GigEthernet Hewlett-Packard | 2944 | 15.81 | 29.44 |
| 344 | Datacenter Germany | Cluster Platform 3000 BL460c, Xeon 54xx 2.5 GHz, GigEthernet Hewlett-Packard | 2944 | 15.81 | 29.44 |
| 345 | University of Tokyo Japan | SR11000-J2 Hitachi | 128 | 15.81 | 18.84 |
| 346 | NASA/Goddard Space Flight Center United States | iDataPlex, Xeon QC 2.5 GHz, Infiniband IBM | 2048 | 15.81 | 20.48 |
| 347 | NASA/Goddard Space Flight Center United States | iDataPlex, Xeon QC 2.5 GHz, Infiniband IBM | 2048 | 15.81 | 20.48 |
| 348 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 2940 | 15.79 | 29.4 |
| 349 | CINECA Italy | eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband IBM | 10240 | 15.76 | 53.25 |
| 350 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 6400 | 15.76 | 28.16 |
| 351 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 6400 | 15.76 | 28.16 |
| 352 | Computacenter United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2368 | 15.75 | 28.42 |
| 353 | Semiconductor Company (C) United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet IBM | 3200 | 15.73 | 34.14 |
| 354 | Semiconductor Company (C) United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet IBM | 3200 | 15.73 | 34.14 |
| 355 | Financial Institution (U1) United States | BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet IBM | 3248 | 15.73 | 38.98 |
| 356 | University of Minnesota United States | SunBlade x2200, QC Opteron 2.3 GHz, Infiniband Sun Microsystems | 2304 | 15.71 | 21.09 |
| 357 | Actebis Peacock GmbH Germany | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 2720 | 15.65 | 28.94 |
| 358 | IBM Poughkeepsie Benchmarking Center United States | Power 575, p6 4.7 GHz, Infiniband IBM | 1024 | 15.65 | 19.25 |
| 359 | Financial Services (H) United States | BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet IBM | 3220 | 15.6 | 38.64 |
| 360 | Danish Meteorological Institute Denmark | Cray XT5 QC 2.3 GHz Cray Inc. | 2048 | 15.59 | 18.84 |
| 361 | Danish Meteorological Institute Denmark | Cray XT5 QC 2.3 GHz Cray Inc. | 2048 | 15.59 | 18.84 |
| 362 | Stanford University/Biomedical Computational Facility United States | PowerEdge 1950, 2.33 GHz, Infiniband Dell | 2208 | 15.57 | 20.58 |
| 363 | PGS Brazil | xSeries x3550 Cluster Xeon QC HT, 2.66 GHz, GigEthernet IBM | 2960 | 15.54 | 31.57 |
| 364 | Semiconductor Company (M) United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband Hewlett-Packard | 3876 | 15.52 | 20.16 |
| 365 | NOAA R&D/ National Centers for Environmental Prediction United States | eServer pSeries p5 575 1.9 GHz IBM | 2368 | 15.47 | 18 |
| 366 | NOAA R&D/ National Centers for Environmental Prediction United States | eServer pSeries p5 575 1.9 GHz IBM | 2368 | 15.47 | 18 |
| 367 | IT Services Provider (C) United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 3080 | 15.41 | 28.71 |
| 368 | Web Content Provider (W) United States | Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE Hewlett-Packard | 3072 | 15.37 | 28.63 |
| 369 | Web Content Provider (W) United States | Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE Hewlett-Packard | 3072 | 15.37 | 28.63 |
| 370 | Kaiser United States | Cluster Platform 3000 BL460c, Xeon 54xx 2 GHz, GigEthernet Hewlett-Packard | 3584 | 15.36 | 28.67 |
| 371 | Ufa State Aviation Technical University Russia | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband IBM | 2128 | 15.33 | 19.86 |
| 372 | US Army Research Laboratory (ARL) United States | Cray XT5 QC 2.3 GHz Cray Inc. | 2016 | 15.32 | 18.55 |
| 373 | Nasza Klasa Poland | Cluster Platform 3000 BL460c/BL2x220, L54xx 2.5 Ghz, GigE Hewlett-Packard | 2848 | 15.3 | 28.48 |
| 374 | Geoscience (Q) France | BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet IBM | 3120 | 15.27 | 35.32 |
| 375 | Financial Services (H) United States | BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet IBM | 3152 | 15.27 | 37.82 |
| 376 | Semiconductor Company (O) United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2280 | 15.25 | 27.36 |
| 377 | Bank (S1) Spain | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 3040 | 15.21 | 28.33 |
| 378 | US Army Research Laboratory (ARL) United States | Evolocity II (LS Supersystem) Linux Networx | 3368 | 15.2 | 19.66 |
| 379 | Financial Services (N) United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet IBM | 3152 | 15.16 | 33.63 |
| 380 | Kyushu University Japan | PRIMERGY RX200S3, Xeon Dual Core 3.0 GHz, Infiniband Fujitsu | 1536 | 15.09 | 18.43 |
| 381 | Zeta Ass. United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2248 | 15.07 | 26.98 |
| 382 | Financial Institution () United States | xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet IBM | 3168 | 15.03 | 29.56 |
| 383 | Financial Institution () United States | xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet IBM | 3168 | 15.03 | 29.56 |
| 384 | Telecommunication Company Japan | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2232 | 14.98 | 26.78 |
| 385 | Automotive Manufacturer Japan | Cluster Platform 3000 BL460c, Xeon 52xx 3 GHz, GigEthernet Hewlett-Packard | 2216 | 14.94 | 26.59 |
| 386 | Financial Services (O) United Kingdom | BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, Infiniband IBM | 1792 | 14.91 | 19.07 |
| 387 | Telecommunication Company China | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 2560 | 14.9 | 27.24 |
| 388 | IT Service Provider (C) United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 2976 | 14.9 | 27.74 |
| 389 | DLR - CASE Germany | Sun Blade x4200, Opteron DC 3.0 GHz, Infiniband Sun Microsystems | 3072 | 14.86 | 18.43 |
| 390 | Financial Institution () France | BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet IBM | 3120 | 14.86 | 29.12 |
| 391 | Financial Institution United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2368 | 14.85 | 26.81 |
| 392 | Financial DCCoD (B) United Kingdom | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 6000 | 14.78 | 26.4 |
| 393 | Network Company China | xSeries x3550 Cluster Xeon QC HT, 2.5 GHz, GigEthernet IBM | 3200 | 14.72 | 32 |
| 394 | Taganrog Institute of Technology / Hewlett Packard United Kingdom | Cluster Platform 4000 BL685c, Opteron QC 2.3GHz, Infiniband Hewlett-Packard | 2048 | 14.68 | 18.84 |
| 395 | Adam Opel AG Germany | Power 575, p6 4.7 GHz, Infiniband IBM | 960 | 14.67 | 18.05 |
| 396 | Centro Euro-Mediterraneo per i Cambiamenti Climatici Italy | Power 575, p6 4.7 GHz, Infiniband IBM | 960 | 14.67 | 18.05 |
| 397 | Japan Marine Science and Technology Japan | Altix 4700 1.6 GHz SGI | 2560 | 14.59 | 16.38 |
| 398 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 399 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 400 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 401 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 402 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 403 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 404 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 405 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2944 | 14.53 | 35.33 |
| 406 | Naval Research Laboratory (NRL) United States | SGI Altix ICE 8200, 3.0 GHz SGI | 1536 | 14.52 | 18.43 |
| 407 | IT Service Provider (B) United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband Hewlett-Packard | 1568 | 14.49 | 18.82 |
| 408 | Financial Institution United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet Hewlett-Packard | 2472 | 14.47 | 26.3 |
| 409 | IT Service Provider () France | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2872 | 14.38 | 26.77 |
| 410 | Information Agency France | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 2864 | 14.34 | 26.69 |
| 411 | Kaiser Foundation United States | Cluster Platform 3000 BL460c, Xeon 54xx 2 GHz, GigEthernet Hewlett-Packard | 3336 | 14.31 | 26.69 |
| 412 | Financial Institution (M) United States | Cluster Platform 3000 BL460c, Xeon E54xx 2.4GHz, GigEthernet Hewlett-Packard | 2760 | 14.29 | 26.5 |
| 413 | Web Services United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet IBM | 2888 | 14.25 | 30.81 |
| 414 | Cerner Corp. United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 2408 | 14.25 | 25.69 |
| 415 | Swiss Scientific Computing Center (CSCS) Switzerland | Cray XT3, 2.6 GHz dual Core Cray Inc. | 3328 | 14.22 | 17.31 |
| 416 | Banking (M) United States | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 2880 | 14.21 | 26.88 |
| 417 | Banking (M) United States | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 2880 | 14.21 | 26.88 |
| 418 | Banking (M) United States | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 2880 | 14.21 | 26.88 |
| 419 | Banking (M) United States | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 2880 | 14.21 | 26.88 |
| 420 | Banking (M) United States | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet IBM | 2880 | 14.21 | 26.88 |
| 421 | Financial Institution (Q) France | BladeCenter LS21, Opteron Dual Core 2.2 GHz, GigEthernet, Windows IBM | 6400 | 14.18 | 28.16 |
| 422 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet Hewlett-Packard | 2400 | 14.17 | 25.54 |
| 423 | Software Company (M) United States | Cluster Platform 3000 BL460c, Xeon L54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2816 | 14.1 | 26.25 |
| 424 | Lockheed United States | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband IBM | 1952 | 14.08 | 18.22 |
| 425 | DOE/NNSA/LANL United States | xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband IBM | 4608 | 14.07 | 20.28 |
| 426 | DOE/NNSA/LANL United States | xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband IBM | 4608 | 14.07 | 20.28 |
| 427 | DOE/NNSA/LANL United States | xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband IBM | 4608 | 14.07 | 20.28 |
| 428 | Centro de Supercomp. de Galicia Spain | Integrity rx5670 Itanium2 Cluster Hewlett-Packard | 2528 | 14.01 | 16.18 |
| 429 | Research Agency India | BL460c, Xeon E54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2208 | 14 | 24.99 |
| 430 | Repsol YPF United States | BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband IBM | 1800 | 13.99 | 21.76 |
| 431 | Repsol YPF United States | BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband IBM | 1800 | 13.99 | 21.76 |
| 432 | Repsol YPF United States | BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband IBM | 1800 | 13.99 | 21.76 |
| 433 | Vyatsky State University Russia | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, Infiniband Hewlett-Packard | 1920 | 13.96 | 17.89 |
| 434 | Cray Inc. United States | Cray XT4 QuadCore 2.2 GHz Cray Inc. | 1984 | 13.94 | 17.46 |
| 435 | IT Service Provider (D) United States | Cluster Platform 4000 BL465c, Opteron QC 2.3GHz, GigE Hewlett-Packard | 2816 | 13.92 | 25.91 |
| 436 | IT Service Provider (D) United States | Cluster Platform 4000 BL465c, Opteron QC 2.3GHz, GigE Hewlett-Packard | 2816 | 13.92 | 25.91 |
| 437 | Institute of Information Technology Madras India | Cluster Platform 3000 DL160, Xeon 54xx 3.0 GHz, GigE Hewlett-Packard | 2048 | 13.92 | 24.58 |
| 438 | Financial Institution (U) United Kingdom | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 2768 | 13.9 | 25.8 |
| 439 | Financial Institution Sweden | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2044 | 13.89 | 24.53 |
| 440 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2184 | 13.87 | 24.72 |
| 441 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2184 | 13.87 | 24.72 |
| 442 | IT Service Provider (D) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2760 | 13.87 | 25.72 |
| 443 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet Hewlett-Packard | 2324 | 13.79 | 24.73 |
| 444 | UCSD/San Diego Supercomputer Center United States | eServer Blue Gene Solution IBM | 6144 | 13.78 | 17.2 |
| 445 | IT Service Provider (B) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2016 | 13.73 | 24.19 |
| 446 | Semiconductor Company Taiwan | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet Hewlett-Packard | 2000 | 13.68 | 24 |
| 447 | Actebis Peacock GmbH Germany | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2008 | 13.68 | 24.1 |
| 448 | IT Service Provider (B) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 2008 | 13.68 | 24.1 |
| 449 | Omniture United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 2304 | 13.68 | 24.58 |
| 450 | Telecommunication Company Italy | Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet Hewlett-Packard | 2304 | 13.68 | 24.58 |
| 451 | Roshydromet Russia | SGI Altix ICE 8200, Xeon quad core 2.83 GHz SGI | 1416 | 13.68 | 16.03 |
| 452 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2764 | 13.64 | 33.17 |
| 453 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2764 | 13.64 | 33.17 |
| 454 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2764 | 13.64 | 33.17 |
| 455 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2764 | 13.64 | 33.17 |
| 456 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2764 | 13.64 | 33.17 |
| 457 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2764 | 13.64 | 33.17 |
| 458 | Geoscience (P) United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet IBM | 2764 | 13.64 | 33.17 |
| 459 | Financial Institution Japan | Cluster Platform 3000 BL460c, Xeon 52xx 3 GHz, GigEthernet Hewlett-Packard | 1992 | 13.64 | 23.9 |
| 460 | CASPUR Italy | ClusterVision Cluster, QC Opteron 2.1 GHz, Infiniband ClusterVision | 2064 | 13.6 | 17.34 |
| 461 | Information Agency France | Cluster Platform 3000 BL460c, Xeon E54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2128 | 13.57 | 24.09 |
| 462 | Cerner Corp. United States | Cluster Platform 3000 BL460c, Xeon 54xx 2 GHz, GigEthernet Hewlett-Packard | 3152 | 13.53 | 25.22 |
| 463 | University of Arizona United States | SGI Altix ICE 8200, Xeon quad core 2.83 GHz SGI | 1392 | 13.48 | 15.76 |
| 464 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2664 | 13.48 | 24.83 |
| 465 | Jefferson Lab United States | KOI Quad Core Opteron 1.9GHz, Infiniband Koi Computers | 3040 | 13.46 | 23.1 |
| 466 | Computacenter United Kingdom | Cluster Platform 4000 BL465c, Opteron DC 2.4GHz, GigEthernet Hewlett-Packard | 5200 | 13.42 | 24.96 |
| 467 | Financial Institution (D) Germany | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 2640 | 13.38 | 24.6 |
| 468 | Financial Institution (D) Germany | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 2640 | 13.38 | 24.6 |
| 469 | Retail United States | xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet IBM | 2700 | 13.32 | 32.4 |
| 470 | Retail United States | xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet IBM | 2700 | 13.32 | 32.4 |
| 471 | Financial Institution () France | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet IBM | 2672 | 13.28 | 24.94 |
| 472 | Hewlett Packard United Kingdom | Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet Hewlett-Packard | 3328 | 13.28 | 24.76 |
| 473 | Telecommunication Company France | Cluster Platform 3000 BL680c, Xeon 73xx 1.86 Ghz, GigabitEth Hewlett-Packard | 3312 | 13.22 | 24.64 |
| 474 | Financial Institution United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2064 | 13.22 | 23.36 |
| 475 | Financial Institution United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet Hewlett-Packard | 2064 | 13.22 | 23.36 |
| 476 | Lockheed Martin United States | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband IBM | 1832 | 13.21 | 17.1 |
| 477 | Insight Direct United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband Hewlett-Packard | 1904 | 13.2 | 20.31 |
| 478 | Sony. Information Technologies Laboratories. Japan | Cluster Platform 3000 BL460c, Xeon 54xx 3 GHz, Infiniband Hewlett-Packard | 1408 | 13.17 | 16.89 |
| 479 | Paprikaas Interactive Services India | BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 1920 | 13.16 | 23.04 |
| 480 | IT Service Provider (B) United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet Hewlett-Packard | 2200 | 13.16 | 23.47 |
| 481 | Food Industry United Kingdom | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 1912 | 13.11 | 22.94 |
| 482 | Digital Media Company (G) India | BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet IBM | 2400 | 13.08 | 25.6 |
| 483 | Siberian National University Russia | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband IBM | 1808 | 13.06 | 16.87 |
| 484 | Financial Institution United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2560 | 13.05 | 23.86 |
| 485 | Financial Institution United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2560 | 13.05 | 23.86 |
| 486 | Government Classified United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2560 | 13.05 | 23.86 |
| 487 | Government Classified United States | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2560 | 13.05 | 23.86 |
| 488 | Logistic Services (E) United States | Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet Hewlett-Packard | 1896 | 13.02 | 22.75 |
| 489 | Financial Institution (D) Germany | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet Hewlett-Packard | 2544 | 12.98 | 23.71 |
| 490 | Semiconductor Company (P) United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet Hewlett-Packard | 2152 | 12.96 | 22.96 |
| 491 | HPCx United Kingdom | eServer pSeries p5 575 1.5 GHz IBM | 2560 | 12.94 | 15.36 |
| 492 | Logistic Services China | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2528 | 12.91 | 23.56 |
| 493 | Semiconductor Company (O) United Kingdom | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband Hewlett-Packard | 1392 | 12.86 | 16.7 |
| 494 | University of Kentucky United States | BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband IBM | 1360 | 12.83 | 16.32 |
| 495 | Communications Company (P1) Poland | Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet Hewlett-Packard | 2304 | 12.82 | 23.04 |
| 496 | IT Services Provider (C) Sweden | Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet Hewlett-Packard | 2480 | 12.71 | 23.11 |
| 497 | Universiteit Gent Belgium | BladeCenter HS21 Cluster, Xeon QC L54xx 2.5 GHz, Infiniband ClusterVision/IBM | 1568 | 12.7 | 15.68 |
| 498 | Scientific Supercomputing Center Karlsruhe Germany | Transtec Xeon Cluster Transtec AG | 1616 | 12.64 | 17.19 |
| 499 | Institute Francais du Petrole France | Supermicro QC Opteron 2.3 GHz, Infiniband ServiWare | 1824 | 12.6 | 16.78 |
| 500 | Lawrence Berkeley National Laboratory United States | PowerEdge 1950, Xeon E54xx, 2.66 GHz, Infiniband Dell | 1584 | 12.6 | 16.85 |