| Site: | University of Tokyo | 
|---|---|
| System URL: | http://www.cc.u-tokyo.ac.jp | 
| Manufacturer: | Hitachi | 
| Cores: | 1,024 | 
| Processor: | HARP-1E 150MHz | 
| Interconnect: | Hyper crossbar | 
| Installation Year: | 1996 | 
| Performance | |
| Linpack Performance (Rmax) | 232.40 GFlop/s | 
| Theoretical Peak (Rpeak) | 307.20 GFlop/s | 
| Nmax | 155,520 | 
| Nhalf | 34,560 | 
| Software | |
| Operating System: | HI-UX/MPP | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 11/2000 | 85 | SR2201/1024 | Hitachi | 1,024 | 232.40 | 307.20 | |
| 06/2000 | 63 | SR2201/1024 | Hitachi | 1,024 | 232.40 | 307.20 | |
| 11/1999 | 45 | SR2201/1024 | Hitachi | 1,024 | 232.40 | 307.20 | |
| 06/1999 | 34 | SR2201/1024 | Hitachi | 1,024 | 232.40 | 307.20 | |
| 11/1998 | 22 | SR2201/1024 | Hitachi | 1,024 | 232.40 | 307.20 | |
| 06/1998 | 14 | SR2201/1024 | Hitachi | 1,024 | 232.40 | 307.20 | |
| 11/1997 | 6 | SR2201/1024 | Hitachi | 1,024 | 232.40 | 307.20 | |
| 06/1997 | 4 | SR2201/1024 | Hitachi | 1,024 | 220.40 | 307.20 | |
| 11/1996 | 3 | SR2201/1024 | Hitachi | 1,024 | 220.40 | 307.20 | |
| 06/1996 | 1 | SR2201/1024 | Hitachi | 1,024 | 220.40 | 307.20 |