| Site: | Japan Atomic Energy Research Institute | 
|---|---|
| Manufacturer: | HP | 
| Cores: | 812 | 
| Processor: | EV68 833MHz | 
| Interconnect: | Quadrics | 
| Installation Year: | 2002 | 
| Performance | |
| Linpack Performance (Rmax) | 1,007.00 GFlop/s | 
| Theoretical Peak (Rpeak) | 1,352.80 GFlop/s | 
| Nmax | 252,700 | 
| Nhalf | 39,954 | 
| Software | |
| Operating System: | Tru64 UNIX | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 11/2004 | 387 | AlphaServer SC40, 833 MHz | HP | 812 | 1,007.00 | 1,352.80 | |
| 06/2004 | 238 | AlphaServer SC40, 833 MHz | HP | 812 | 1,007.00 | 1,352.80 | |
| 11/2003 | 130 | AlphaServer SC40, 833 MHz | HP | 812 | 1,007.00 | 1,352.80 | |
| 06/2003 | 58 | AlphaServer SC40, 833 MHz | HP | 812 | 1,007.00 | 1,352.80 | |
| 11/2002 | 47 | AlphaServer SC40, 833 MHz | HP | 812 | 1,007.00 | 1,352.80 |