| Site: | Tsukuba Advanced Computing Center - TACC/AIST | 
|---|---|
| Manufacturer: | Hitachi | 
| Cores: | 64 | 
| Processor: | Hitachi SR8000 250MHz | 
| Interconnect: | Multi-dimensional crossbar | 
| Installation Year: | 1999 | 
| Performance | |
| Linpack Performance (Rmax) | 449.00 GFlop/s | 
| Theoretical Peak (Rpeak) | 512.00 GFlop/s | 
| Nmax | 92,000 | 
| Nhalf | 9,160 | 
| Software | |
| Operating System: | HI-UX/MPP | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 11/2003 | 365 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 06/2003 | 216 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 11/2002 | 131 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 06/2002 | 99 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 11/2001 | 61 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 06/2001 | 48 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 11/2000 | 37 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 06/2000 | 28 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 11/1999 | 17 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 | |
| 06/1999 | 12 | SR8000/64 | Hitachi | 64 | 449.00 | 512.00 |