| Site: | IBM/DOE | 
|---|---|
| System URL: | http://www.research.ibm.com/bluegene/ | 
| Manufacturer: | IBM | 
| Cores: | 32,768 | 
| Processor: | PowerPC 440 2C 700MHz | 
| Interconnect: | Proprietary | 
| Installation Year: | 2004 | 
| Performance | |
| Linpack Performance (Rmax) | 70,720.00 GFlop/s | 
| Theoretical Peak (Rpeak) | 91,750.00 GFlop/s | 
| Nmax | 933,887 | 
| Software | |
| Operating System: | Linux | 
| List | Rank | System | Vendor | Total Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | Power (kW) | 
|---|---|---|---|---|---|---|---|
| 11/2004 | 1 | BlueGene/L DD2 beta-System (0.7 GHz PowerPC 440) | IBM | 32,768 | 70,720.00 | 91,750.00 |