BlueGene/L - eServer Blue Gene Solution
                    IBM
BGW - eServer Blue Gene Solution
                    IBM
ASC Purple - eServer pSeries p5 575 1.9 GHz
                    IBM
Columbia - SGI Altix 1.5 GHz, Voltaire Infiniband
                    HPE
Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics
                    Atos
Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband
                    Dell EMC
TSUBAME Grid Cluster - Sun Fire x4600 Cluster, Opteron 2.4/2.6 GHz, Infiniband
                    NEC/Sun
JUBL - eServer Blue Gene Solution
                    IBM
Red Storm Cray XT3, 2.0 GHz
                    Cray/HPE
Earth-Simulator
                    NEC
MareNostrum - JS20 Cluster, PPC 970, 2.2 GHz, Myrinet
                    IBM
Stella - eServer Blue Gene Solution
                    IBM
Jaguar - Cray XT3, 2.4 GHz
                    Cray/HPE
Thunder - Intel Itanium2 Tiger4  1.4GHz - Quadrics
                    California Digital Corporation
Blue Protein - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
KEK/BG MOMO - eServer Blue Gene Solution
                    IBM
KEK/BG Sakura - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
Sapphire - Cray XT3, 2.6 GHz
                    Cray/HPE
MACH5 - Apple XServe, 2.0 GHz, Myrinet
                    Self-made
Cray X1E (4GB)
                    Cray/HPE
Big Red - BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet
                    IBM
Cray X1E (2GB)
                    Cray/HPE
ASCI Q - AlphaServer SC45, 1.25 GHz
                    HPE
HPC - Pentium4 Xeon, EM64T, Opteron, Opteron dual core, Cluster, Myrinet
                    Oracle
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
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
Cray XT3, 2.6 GHz
                    Cray/HPE
BlueGene/L DD1 Prototype (0.5GHz PowerPC 440 w/Custom)
                    IBM/ LLNL
John Von Neumann - LNX Cluster, Xeon 3.6 GHz, Myrinet
                    Linux Networx
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
Tungsten - PowerEdge 1750, P4 Xeon 3.06 GHz, Myrinet
                    Dell EMC
KEK/BG UME - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM/ LLNL
eServer pSeries 690 (1.9 GHz Power4+)
                    IBM
eServer pSeries 690 (1.9 GHz Power4+)
                    IBM
DataStar - eServer pSeries 655/690 (1.5/1.7 GHz Power4+)
                    IBM
SR11000-K1/80
                    Hitachi
SR11000-K1/80
                    Hitachi
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
SX8/576M72
                    NEC
RIKEN Super Combined Cluster
                    Fujitsu
Mpp2 - Cluster Platform 6000 rx2600 Itanium2 1.5 GHz, Quadrics
                    HPE
BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet
                    IBM
CITerra - PowerEdge 1850, 3.2 GHz, Myrinet
                    Dell EMC
Dawning 4000A, Opteron 2.2 GHz, Myrinet
                    Dawning
Lightning - Opteron 2 GHz, Myrinet
                    Linux Networx
BigBen - Cray XT3, 2.4 GHz
                    Cray/HPE
Cluster Platform 4000 DL145 Opteron 2.8 GHz Infiniband
                    HPE
U2 - PowerEdge SC1425 3.2 GHz, Myrinet
                    Dell EMC
MCR Linux Cluster Xeon 2.4 GHz - Quadrics
                    Linux Networx/Quadrics
eServer pSeries p5 575 1.5 GHz
                    IBM
ASCI White, SP Power3 375 MHz
                    IBM
Seaborg - SP Power3 375 MHz 16 way
                    IBM
TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet
                    IBM
eServer Opteron 2.2 GHz. Myrinet
                    IBM
Cray XT3, 2.6 GHz
                    Cray/HPE
Lonestar2 - PowerEdge 1855, 3.2 GHz, Infiniband
                    Dell EMC
Mp - PowerEdge SC1425 3.6 GHz- Infiniband
                    Dell EMC
PRIMEPOWER HPC2500 (2.08 GHz)
                    Fujitsu
Endeavor - Intel Cluster, Xeon 3.0 GHz dual core, Infiniband
                    Intel
Coyote A - Opteron 2.6 GHz, Infiniband
                    Linux Networx
MVS-15000BM, eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
                    IBM
xSeries Cluster Xeon 2.4 GHz - Quadrics
                    IBM/Quadrics
Bassi - eServer pSeries p5 575 1.9 GHz
                    IBM
Explore - SGI Altix 3700 Bx2, 1.5 GHz, NUMAlink, Infiniband
                    HPE
Topsail - PowerEdge 1855, 3.6 GHz, Infiniband
                    Dell EMC
Lilac - xSeries x335 Cluster, Xeon 3.06 GHz, Quadrics
                    IBM
eServer pSeries 690 (1.7 GHz Power4+)
                    IBM
AIST Super Cluster P-32 - AIST Super Cluster P-32, Opteron 2.0 GHz, Myrinet
                    IBM
Tungsten 2 - PowerEdge 1850, 3.6 GHz, Infiniband
                    Dell EMC
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink
                    HPE
Whale - Cluster Platform 4000 DL145 Opteron 2.2 GHz Dual Core GigEthernet
                    HPE
SGI Altix 3700 Bx2, 1.6 GHz, NUMALink, 10GigEthernet
                    HPE
Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
                    HPE
Requin - Cluster Platform 4000 DL145, Opteron 2,6 GHz, Quadrics
                    HPE
eServer pSeries p5 575 1.9 GHz
                    IBM
eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
                    IBM
JUMP - eServer pSeries 690 (1.7 GHz Power4+)
                    IBM
Marylou4 - PowerEdge 1855, 3.6 GHz, GigEthernet
                    Dell EMC
Topdawg - PowerEdge 1850, 3.2 GHz, Infiniband
                    Dell EMC
PRIMEPOWER HPC2500 (1.3 GHz)
                    Fujitsu
SSC_V40z+x4100 - Fire V40x/X4100 Cluster Opteron 2.4GHz dual core, Infiniband
                    Oracle
Lenngren - PowerEdge 1850, 3.4 GHz, Infiniband
                    Dell EMC
SR11000-J1/50
                    Hitachi
BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
                    IBM
BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
                    IBM
eServer pSeries p5 575 1.9 GHz
                    IBM
Coyote B - Opteron 2.6 GHz, Infiniband
                    Linux Networx
eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM
CyBlue - eServer Blue Gene Solution
                    IBM
eServer Blue Gene Solution
                    IBM