BlueGene/L - eServer Blue Gene Solution
                    IBM
Jaguar - Cray XT4/XT3
                    Cray/HPE
Red Storm - Sandia/ Cray Red Storm, Opteron 2.4 GHz dual core
                    Cray/HPE
BGW - eServer Blue Gene Solution
                    IBM
New York Blue - eServer Blue Gene Solution
                    IBM
ASC Purple - eServer pSeries p5 575 1.9 GHz
                    IBM
eServer Blue Gene Solution
                    IBM
Abe - PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4
                    Dell EMC
MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet
                    IBM
HLRB-II - Altix 4700 1.6 GHz
                    HPE
Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband
                    Dell EMC
Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics
                    Atos
Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband
                    HPE
TSUBAME Grid Cluster - Sun Fire x4600 Cluster, Opteron 2.4/2.6 GHz and ClearSpeed Accelerator, Infiniband
                    NEC/Sun
Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband
                    Dell EMC
Jaws - PowerEdge 1955, 3.0 GHz, Infiniband
                    Dell EMC
Michael J. Muuss Cluster (MJM) - Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB
                    Linux Networx
JUBL - eServer Blue Gene Solution
                    IBM
Atlas - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband
                    Cray/HPE
Earth-Simulator
                    NEC
Sapphire - Cray XT3, 2.6 GHz dual Core
                    Cray/HPE
CEA-CCRT-Platine - Novascale 3045, Itanium2 1.6 GHz, Infiniband
                    Atos
Queen Bee - PowerEdge 1950, 2.33 GHz, Infiniband
                    Dell EMC
Cray XT3, 2.6 GHz dual Core
                    Cray/HPE
Topsail - PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband
                    Dell EMC
Stella - eServer Blue Gene Solution
                    IBM
Altix 4700 1.6 GHz
                    HPE
Altix 4700 1.6 GHz
                    HPE
CITerra - PowerEdge 1950, 2.33 GHz, Myrinet
                    Dell EMC
Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet
                    IBM
Blue Gene/P Solution
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
Thunder - Intel Itanium2 Tiger4  1.4GHz - Quadrics
                    California Digital Corporation
xSeries x3550 Cluster Xeon, 3 GHz, Infiniband
                    IBM
BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet
                    IBM
Blue Protein - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
Frontier - eServer Blue Gene Solution
                    IBM
KEK/BG Sakura - eServer Blue Gene Solution
                    IBM
KEK/BG MOMO - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet
                    IBM
Darwin - PowerEdge 1950, 3.0 GHz, Infinipath
                    ClusterVision/Dell
Calhoun - SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband
                    HPE
BigBen - Cray XT3, 2.6 GHz dual Core
                    Cray/HPE
T3 - PowerEdge 1955, 2.66 GHz, Infiniband
                    Dell EMC
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
MACH5 - Apple XServe, 2.0 GHz, Myrinet
                    Self-made
SR11000-J2
                    Hitachi
HPC - Pentium4 Xeon, EM64T, Opteron, Opteron dual core, Cluster, Myrinet
                    Oracle
Cray X1E (4GB)
                    Cray/HPE
Bio-X2 - PowerEdge 1950, 2.33 GHz, Infiniband
                    Dell EMC
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
Humvee - Evolocity II (LS Supersystem)
                    Linux Networx
Cray X1E (2GB)
                    Cray/HPE
Altix 4700 1.6 GHz
                    HPE
Cray XT3, 2.6 GHz dual Core
                    Cray/HPE
BladeCenter JS20 Cluster, PPC 970, 2.2 GHz, Myrinet
                    IBM
ASCI Q - AlphaServer SC45, 1.25 GHz
                    HPE
Intimidata - eServer Blue Gene Solution
                    IBM
Cray XT4, 2.8 GHz
                    Cray/HPE
eServer pSeries p5 575 1.5 GHz
                    IBM
BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband
                    IBM
BCX - eServer 326 Cluster, Opteron Dual Core 2.6 GHz, Infiniband
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
Marylou4 - PowerEdge 1955, 2.66 GHz, GigEthernet
                    Dell EMC
BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
                    IBM
System X - 1100 Dual 2.3 GHz Apple XServe/Mellanox Infiniband 4X/Cisco GigE
                    Self-made
Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband
                    HPE
Altix 4700 1.6 GHz
                    HPE
Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband
                    HPE
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
Huygens - eServer pSeries 575, p5+ 1.9 GHz, Infiniband
                    IBM
blueice - eServer pSeries p5 575 1.9 GHz
                    IBM
Deimos - Opteron dual core 2.6 GHz, Infiniband
                    Linux Networx
Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband
                    HPE
Endeavor - Intel Cluster, Xeon 3.0 GHz dual core, Infiniband
                    Intel
John Von Neumann - LNX Cluster, Xeon 3.6 GHz, Myrinet
                    Linux Networx
HP DL140, Xeon 53xx 2.33GHz, GigEthernet
                    HPE
HP DL140, Xeon 53xx 2.33GHz, GigEthernet
                    HPE
Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
                    HPE
PACS-CS - PACS-CS, low voltage Xeon 2.8 GHz,  3D Hyper-Crossbar
                    Hitachi/Fujitsu
eServer pSeries 655 (1.7 GHz Power4+)
                    IBM
eServer pSeries 655 (1.7 GHz Power4+)
                    IBM
Razor - PowerEdge 1950, 3 GHz, Voltaire Infiniband
                    Dell EMC
Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet
                    Dell EMC
Albert - Dalco Cluster, Intel Xeon 3.0 Ghz, Quadrics
                    DALCO AG Switzerland
eServer Blue Gene Solution
                    IBM
KEK/BG UME - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM/ LLNL
Ocracoke - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
Blue Fern - eServer Blue Gene Solution
                    IBM
xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet
                    IBM