| Site: | Caltech | 
|---|---|
| Manufacturer: | DELL | 
| Cores: | 4,096 | 
| Processor: | Xeon E5345 4C 2.33GHz | 
| Interconnect: | Myrinet | 
| Installation Year: | 2007 | 
| Performance | |
| Linpack Performance (Rmax) | 22.59 TFlop/s | 
| Theoretical Peak (Rpeak) | 37.70 TFlop/s | 
| Nmax | 761,392 | 
| Software | |
| Operating System: | Linux | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 11/2009 | 438 | PowerEdge 1950, 2.33 GHz, Myrinet | DELL | 4,096 | 22.59 | 37.70 | |
| 06/2009 | 271 | PowerEdge 1950, 2.33 GHz, Myrinet | DELL | 4,096 | 22.59 | 37.70 | |
| 11/2008 | 141 | PowerEdge 1950, 2.33 GHz, Myrinet | DELL | 4,096 | 22.59 | 37.70 | |
| 06/2008 | 78 | PowerEdge 1950, 2.33 GHz, Myrinet | DELL | 4,096 | 22.59 | 37.70 | |
| 11/2007 | 39 | PowerEdge 1950, 2.33 GHz, Myrinet | DELL | 4,096 | 22.59 | 37.70 | |
| 06/2007 | 29 | PowerEdge 1950, 2.33 GHz, Myrinet | DELL | 4,096 | 22.59 | 37.70 |