| Site: | National Institute for Materials Science | 
|---|---|
| Manufacturer: | Hitachi | 
| Cores: | 56 | 
| Processor: | POWER4+ 2C 1.7GHz | 
| Interconnect: | Federation | 
| Installation Year: | 2004 | 
| Performance | |
| Linpack Performance (Rmax) | 3,319.00 GFlop/s | 
| Theoretical Peak (Rpeak) | 6,093.00 GFlop/s | 
| Nmax | 413,280 | 
| Nhalf | 52,920 | 
| Software | |
| Operating System: | AIX | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 11/2006 | 350 | SR11000-H1/56 | Hitachi | 56 | 3,319.00 | 6,093.00 | |
| 06/2006 | 235 | SR11000-H1/56 | Hitachi | 56 | 3,319.00 | 6,093.00 | |
| 11/2005 | 135 | SR11000-H1/56 | Hitachi | 56 | 3,319.00 | 6,093.00 | |
| 06/2005 | 105 | SR11000-H1/56 | Hitachi | 56 | 3,319.00 | 6,093.00 | |
| 11/2004 | 60 | SR11000-H1/56 | Hitachi | 56 | 3,319.00 | 6,093.00 |