Roadrunner - BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Voltaire Infiniband
                    IBM
Jaguar - Cray XT5 QC 2.3 GHz
                    Cray/HPE
JUGENE - Blue Gene/P Solution
                    IBM
Pleiades - SGI Altix ICE 8200EX, Xeon QC 3.0/2.66 GHz
                    HPE
BlueGene/L - eServer Blue Gene Solution
                    IBM
Kraken XT5 - Cray XT5 QC 2.3 GHz
                    Cray/HPE
Intrepid - Blue Gene/P Solution
                    IBM
Ranger - SunBlade x6420, Opteron QC 2.3 Ghz, Infiniband
                    Oracle
Dawn - Blue Gene/P Solution
                    IBM
JUROPA - Sun Constellation, NovaScale R422-E2, Intel Xeon X5570, 2.93 GHz, Sun M9/Mellanox  QDR Infiniband/Partec Parastation
                    Atos
Franklin - Cray XT4 QuadCore 2.3 GHz
                    Cray/HPE
Jaguar - Cray XT4 QuadCore 2.1 GHz
                    Cray/HPE
Red Storm - Sandia/ Cray Red Storm, XT3/4, 2.4/2.2 GHz dual/quad core
                    Cray/HPE
Shaheen - Blue Gene/P Solution
                    IBM
Magic Cube - Dawning 5000A, QC Opteron 1.9 Ghz, Infiniband, Windows HPC 2008
                    Sugon
GPC - iDataPlex, Xeon E55xx QC 2.53 GHz, GigE
                    IBM/Lenovo
Encanto - SGI Altix ICE 8200, Xeon quad core 3.0 GHz
                    HPE
EKA - Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband
                    HPE
Juno - Appro XtremeServer 1143H, Opteron QC 2.2Ghz, Infiniband
                    Cray/HPE
Jade - SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz
                    HPE
Athena - Cray XT4 QuadCore 2.3 GHz
                    Cray/HPE
Earth Simulator - SX-9/E/1280M160
                    NEC
Monte Rosa - Cray XT5 QC 2.4 GHz
                    Cray/HPE
Blue Gene/P Solution
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Fujitsu FX1, Quadcore  SPARC64 VII  2.52 GHz, Infiniband DDR
                    Fujitsu
SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz
                    HPE
Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband
                    HPE
DeepComp 7000, HS21/x3950 Cluster, Xeon QC HT 3 GHz/2.93 GHz, Infiniband
                    Lenovo
Hera - Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband
                    Cray/HPE
VIP - Power 575, p6 4.7 GHz, Infiniband
                    IBM
Chinook - Cluster Platform 4000 DL185G5, Opteron QC 2.2 GHz, Infiniband DDR
                    HPE
Cluster Platform 3000 BL2x220, E54xx 3.0 Ghz, Infiniband
                    HPE
Frontier2 BG/L - Blue Gene/P Solution
                    IBM
BGW - eServer Blue Gene Solution
                    IBM
GENCI-CCRT-Titane - BULL Novascale R422-E2
                    Atos
Cray XT5 QC 2.3 GHz
                    Cray/HPE
PRIMERGY RX200S5 Cluster, Xeon X5570 2.93GHz, Infiniband QDR
                    Fujitsu/SNI
TSUBAME Grid Cluster with CompView TSUBASA - Sun Fire x4600/x6250, Opteron 2.4/2.6 GHz, Xeon E5440 2.833 GHz, ClearSpeed CSX600, nVidia GT200; Voltaire Infiniband
                    NEC/Sun
T2K Open Supercomputer (Todai Combined Cluster) - Hitachi Cluster Opteron QC 2.3 GHz, Myrinet 10G
                    Hitachi
SGI Altix ICE 8200EX, Xeon X5570 quad core 2.93 GHz
                    HPE
SGI Altix ICE 8200EX, Xeon X5570 quad core 2.93 GHz
                    HPE
New York Blue - eServer Blue Gene Solution
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
T2K Open Supercomputer - Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband
                    Cray/HPE
Cray XT5 QC 2.3 GHz
                    Cray/HPE
Cray XT5/XT4 QC 2.3 GHz
                    Cray/HPE
ASC Purple - eServer pSeries p5 575 1.9 GHz
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
eServer Blue Gene Solution
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
MVS-100K - Cluster Platform 3000 BL460c/BL2x220, Xeon 54xx 3 Ghz, Infiniband
                    HPE
SGI Altix ICE 8200 Enhanced LX, Xeon X5560 quad core 2.8 GHz
                    HPE
Abe - PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4
                    Dell EMC
Shark - Cray XT5 QC 2.4 GHz
                    Cray/HPE
Columbia - SGI Altix 1.5/1.6/1.66 GHz, Voltaire Infiniband
                    HPE
Cluster Platform 3000 BL280c G6, Xeon X55xx 2.8Ghz, Infiniband
                    HPE
MareNostrum - BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet
                    IBM
Cerrillos - BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Infiniband
                    IBM
BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz, Infiniband
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
bluefire - Power 575, p6 4.7 GHz, Infiniband
                    IBM
Plasma Simulator - Hitachi SR16000 Model L2/128, Power6 4.7Ghz, Infiniband
                    Hitachi
HLRB-II - Altix 4700 1.6 GHz
                    HPE
Jade - Cray XT4 QuadCore 2.1 GHz
                    Cray/HPE
HECToR - Cray XT4, 2.8 GHz
                    Cray/HPE
SHIROKANE - SunBlade x6250, Xeon E5450 3GHz, Infiniband
                    Oracle
Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband
                    Dell EMC
Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics
                    Atos
Power 575, p6 4.7 GHz, Infiniband
                    IBM
UKMO B - Power 575, p6 4.7 GHz, Infiniband
                    IBM
UKMO A - Power 575, p6 4.7 GHz, Infiniband
                    IBM
Hawk - Altix 4700 1.6 GHz
                    HPE
HPC - PowerEdge 1950/SunFire X2200 Cluster Intel 53xx 2.33Ghz, Opteron 2.3 Ghz, Myrinet 10G
                    Dell/Oracle
Baku - NEC HPC 140Rb-1 Cluster, Xeon X5560 2.8Ghz, Infiniband
                    NEC
T2K Open Supercomputer/Kyodai - Fujitsu Cluster HX600, Opteron Quad Core, 2.3 GHz, Infiniband
                    Fujitsu
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
SKIF MSU - T-Platforms T60, Intel Quadcore 3Ghz, Infiniband DDR
                    SKIF/T-Platforms
Neolith - Cluster Platform 3000 DL140 Cluster, Xeon 53xx 2.33GHz Infiniband
                    HPE
Blue Gene/P Solution
                    IBM
Blue Gene/P Solution
                    IBM
Genius - Blue Gene/P Solution
                    IBM
Lonestar - PowerEdge 1955, 2.66 GHz, Infiniband
                    Dell EMC
Akka - BladeCenter HS21 Cluster, Xeon QC HT 2.5 GHz, IB, Windows HPC 2008/CentOS
                    IBM
Palmetto - PowerEdge 1950/SunFire X2200 Cluster Intel 53xx/54xx 2.33Ghz, Opteron 2.3 Ghz, Myrinet 10G
                    Dell/Oracle
Cluster Platform 3000 BL460c G1, Xeon L5420 2.5 GHz, GigE
                    HPE
xSeries x3455 Cluster Opteron, DC 2.6 GHz/QC 2.5 GHz, Infiniband
                    IBM
Cluster Platform 3000 BL460c G1, Xeon E5450 3.0 GHz, GigE
                    HPE
SGI Altix ICE 8200EX, Xeon X5560 quad core 2.8 GHz
                    HPE
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
Jaws - PowerEdge 1955, 3.0 GHz, Infiniband
                    Dell EMC
CEA-CCRT-Platine - Novascale 3045, Itanium2 1.6 GHz, Infiniband
                    Atos
Michael J. Muuss Cluster (MJM) - Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB
                    Linux Networx
Cray XT4 QuadCore 2.3 GHz
                    Cray/HPE
Cluster Platform 3000 BL460c, Xeon 54xx 3 GHz, Infiniband
                    HPE
Cluster Platform 3000 BL460c, Xeon 54xx 3 GHz, Infiniband
                    HPE