| Site: | Institute for Materials Research, Tohoku University (IMR) |
|---|---|
| Manufacturer: | Hitachi |
| Cores: | 64 |
| Processor: | Hitachi SR8000 450MHz |
| Interconnect: | Multi-dimensional crossbar |
| Installation Year: | 2001 |
| Performance | |
| Linpack Performance (Rmax) | 790.70 GFlop/s |
| Theoretical Peak (Rpeak) | 921.60 GFlop/s |
| Nmax | 110,000 |
| Nhalf | 8,504 |
| Software | |
| Operating System: | HI-UX/MPP |
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) |
|---|---|---|---|---|---|---|---|
| 06/2004 | 333 | SR8000-G1/64 | Hitachi | 64 | 790.70 | 921.60 | |
| 11/2003 | 174 | SR8000-G1/64 | Hitachi | 64 | 790.70 | 921.60 | |
| 06/2003 | 85 | SR8000-G1/64 | Hitachi | 64 | 790.70 | 921.60 | |
| 11/2002 | 67 | SR8000-G1/64 | Hitachi | 64 | 790.70 | 921.60 | |
| 06/2002 | 41 | SR8000-G1/64 | Hitachi | 64 | 790.70 | 921.60 | |
| 11/2001 | 26 | SR8000-G1/64 | Hitachi | 64 | 790.70 | 921.60 | |
| 06/2001 | 21 | SR8000-G1/64 | Hitachi | 64 | 790.70 | 921.60 |