Oak Ridge National Laboratory
In June 2005, 4 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 11 | Cray XT3, 2.4 GHz | 3748 | N/A | 14170 | 17990 | Cray Inc. |
| 50 | Cray X1 | 504 | N/A | 5895 | 6451 | Cray Inc. |
| 143 | pSeries 690 Turbo 1.3GHz | 864 | N/A | 2310 | 4492.8 | IBM |
| 376 | SGI Altix 1.5 GHz | 256 | N/A | 1409.02 | 1536 | SGI |