| Site: | Meteorological Research Institute, Japan Meteorological Agency | 
|---|---|
| Manufacturer: | NEC | 
| Cores: | 248 | 
| Processor: | NEC 562MHz | 
| Interconnect: | Multi-stage crossbar | 
| Installation Year: | 2004 | 
| Performance | |
| Linpack Performance (Rmax) | 2,155.00 GFlop/s | 
| Theoretical Peak (Rpeak) | 2,232.00 GFlop/s | 
| Nmax | 220,224 | 
| Nhalf | 21,816 | 
| Software | |
| Operating System: | Super-UX | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 06/2006 | 458 | SX-6/248M31 (typeE, 1.778ns) | NEC | 248 | 2,155.00 | 2,232.00 | |
| 11/2005 | 294 | SX-6/248M31 (typeE, 1.778ns) | NEC | 248 | 2,155.00 | 2,232.00 | |
| 06/2005 | 159 | SX-6/248M31 (typeE, 1.778ns) | NEC | 248 | 2,155.00 | 2,232.00 | |
| 11/2004 | 89 | SX-6/248M31 (typeE, 1.778ns) | NEC | 248 | 2,155.00 | 2,232.00 | |
| 06/2004 | 68 | SX-6/248M31 (typeE, 1.778ns) | NEC | 248 | 2,155.00 | 2,232.00 |