US Army Research Laboratory (ARL)
In June 2011, 4 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 74 | SGI Altix ICE 8200 Enhanced LX, Xeon Nehalem quad core 2.8 GHz | 10752 | 32768 | 109300 | 120422 | SGI |
| 120 | Cray XT5 QC 2.3 GHz | 10400 | N/A | 76800 | 95680 | Cray Inc. |
| 139 | SGI Altix ICE 8200 Enhanced LX, Xeon X5560 quad core 2.8 GHz | 6656 | 20480 | 70000 | 74547.2 | SGI |
| 484 |
Michael J. Muuss Cluster (MJM) Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB |
4416 | 8832 | 40610 | 52992 | LNXI |