Japan Atomic Energy Research Institute
In November 1999, 3 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 97 | XP/S-MP 125 | 2502 | N/A | 103.5 | 125.1 | Intel |
| 170 | VPP500/42 | 42 | N/A | 59.6 | 67.2 | Fujitsu |
| 491 | VPP300/16 | 16 | N/A | 34.1 | 35.2 | Fujitsu |