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
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
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
Magic Cube - Dawning 5000A, QC Opteron 1.9 Ghz, Infiniband, Windows HPC 2008
                    Sugon
JUGENE - Blue Gene/P Solution
                    IBM
Encanto - SGI Altix ICE 8200, Xeon quad core 3.0 GHz
                    HPE
EKA - Cluster Platform 3000 BL460c, Xeon 53xx 3GHz, Infiniband
                    HPE
Jade - SGI Altix ICE 8200EX, Xeon quad core 3.0 GHz
                    HPE
Athena - Cray XT4 QuadCore 2.3 GHz
                    Cray/HPE
Blue Gene/P Solution
                    IBM
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
Chinook - Cluster Platform 4000 DL185G5, Opteron QC 2.2 GHz, Infiniband DDR
                    HPE
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Power 575, p6 4.7 GHz, Infiniband
                    IBM
VIP - Power 575, p6 4.7 GHz, Infiniband
                    IBM
Frontier2 BG/L - Blue Gene/P Solution
                    IBM
BGW - eServer Blue Gene Solution
                    IBM
Cray XT5 QC 2.3 GHz
                    Cray/HPE
T2K Open Supercomputer (Todai Combined Cluster) - Hitachi Cluster Opteron QC 2.3 GHz, Myrinet 10G
                    Hitachi
New York Blue - eServer Blue Gene Solution
                    IBM
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
Cray XT5 QC 2.3 GHz
                    Cray/HPE
Cray XT5/XT4 QC 2.3 GHz
                    Cray/HPE
T2K Open Supercomputer - Appro Xtreme-X3 Server - Quad Opteron Quad Core 2.3 GHz, Infiniband
                    Cray/HPE
ASC Purple - eServer pSeries p5 575 1.9 GHz
                    IBM
eServer Blue Gene Solution
                    IBM
MVS-100K - Cluster Platform 3000 BL460c/BL2x220, Xeon 54xx 3 Ghz, Infiniband
                    HPE
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Abe - PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4
                    Dell EMC
Power 575, p6 4.7 GHz, Infiniband
                    IBM
Columbia - SGI Altix 1.5/1.6/1.66 GHz, Voltaire 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
bluefire - Power 575, p6 4.7 GHz, Infiniband
                    IBM
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
Thunderbird - PowerEdge 1850, 3.6 GHz, Infiniband
                    Dell EMC
Tera-10 - NovaScale 5160, Itanium2 1.6 GHz, Quadrics
                    Atos
Hawk - Altix 4700 1.6 GHz
                    HPE
Power 575, p6 4.7 GHz, Infiniband
                    IBM
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
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
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
HPC - PowerEdge 1950/SunFire X2200 Cluster Intel 53xx 2.33Ghz, Opteron 2.3 Ghz, Myrinet 10G
                    Dell/Oracle
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
R Smarr - Dell DCS CS23-SH, QC HT 2.8 GHz, Infiniband
                    Dell EMC
Galera - ACTION Cluster Xeon E5345 Infiniband
                    ACTION
"PARAM Yuva" Cluster - PARAMcluster, Xeon 73xx 2.93 Ghz, Infiniband
                    HPE
JUBL - eServer Blue Gene Solution
                    IBM
Cluster Platform 4000 BL465c, Opteron QC 2.3GHz, Infniband DDR
                    HPE
BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, Infiniband
                    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
Blue Gene/P Solution
                    IBM
Queen Bee - PowerEdge 1950, 2.33 GHz, Infiniband
                    Dell EMC
Cray XT3, 2.6 GHz dual Core
                    Cray/HPE
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
ATLAS - Pyramid Cluster Xeon QC 32xx 2.4 GHz, GigEthernet
                    Pyramid Computer
Odyssey - PowerEdge M600 Cluster, Xeon E5410 2.3Ghz, Infiniband
                    Dell EMC
Stallo - Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet
                    HPE
Saguaro 2 - PowerEdge M100e/M600, E54xx/X5355 2.83/2.66 GHz, Infiniband
                    Dell EMC
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, Infiniband
                    IBM
Seis-3 - Dalco r2164i Cluster, X54xx 3.0 Ghz, Quadrics
                    DALCO AG Switzerland
BlueCrystal - xSeries x3450 Cluster Xeon quad core, 2.8 GHz, Infiniband
                    ClusterVision/IBM
Topsail - PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband
                    Dell EMC
Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR
                    HPE
Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR
                    HPE
PowerEdge 1950, Xeon E54xx, 2 GHz, Infiniband
                    Dell EMC
Intel-SCTO-HPC2A - Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet
                    HPE
Stella - eServer Blue Gene Solution
                    IBM
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet
                    HPE
Minos - Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband
                    Cray/HPE
Arev - SunBlade x6250, Xeon L5420 2.5GHz, Infiniband DDR
                    Oracle