| Site: | DOE/SC/Argonne National Laboratory | 
|---|---|
| Manufacturer: | IBM | 
| Cores: | 2,048 | 
| Processor: | PowerPC 440 2C 700MHz | 
| Interconnect: | Proprietary | 
| Installation Year: | 2005 | 
| Performance | |
| Linpack Performance (Rmax) | 4.73 TFlop/s | 
| Theoretical Peak (Rpeak) | 5.73 TFlop/s | 
| Nmax | 233,471 | 
| Software | |
| Operating System: | CNK/SLES 9 | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 06/2007 | 377 | eServer Blue Gene Solution | IBM | 2,048 | 4.71 | 5.73 | 22.00 | 
| 11/2006 | 140 | eServer Blue Gene Solution | IBM | 2,048 | 4.71 | 5.73 | 22.00 | 
| 06/2006 | 98 | eServer Blue Gene Solution | IBM | 2,048 | 4.71 | 5.73 | 22.00 | 
| 11/2005 | 73 | eServer Blue Gene Solution | IBM | 2,048 | 4.71 | 5.73 | 22.00 | 
| 06/2005 | 59 | eServer Blue Gene Solution | IBM | 2,048 | 4.71 | 5.73 | 22.00 |