| Site: | Japan Meteorological Agency | 
|---|---|
| Manufacturer: | Hitachi | 
| Cores: | 4 | 
| Processor: | Hitachi 500MHz | 
| Interconnect: | |
| Installation Year: | 1995 | 
| Performance | |
| Linpack Performance (Rmax) | 28.40 GFlop/s | 
| Theoretical Peak (Rpeak) | 32.00 GFlop/s | 
| Nmax | 15,500 | 
| Nhalf | 830 | 
| Software | |
| Operating System: | VOS3/HAP/ES (IBM MVS compatible) and OSF/1 | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 06/1999 | 383 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 | |
| 11/1998 | 232 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 | |
| 06/1998 | 173 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 | |
| 11/1997 | 104 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 | |
| 06/1997 | 90 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 | |
| 11/1996 | 57 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 | |
| 06/1996 | 38 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 | |
| 12/1995 | 28 | S-3800/480 | Hitachi | 4 | 28.40 | 32.00 |