High Performance Systems
| Big Red | Libra | Quarry | RDC | RDC WWW | |
|---|---|---|---|---|---|
| Function | Research | Research | General purpose |
Research Database Servers | WWW Server for RDC |
| Architecture | IBM JS21 BladeCenter Cluster PPC970MP |
IBM JS20 Blades IBM p575s PPC970 & Power5 |
IBM HS21 BladeCenter Cluster EMT64 |
IBM p575s Power5 |
Dell 2950 Xeon |
| Peak GFLOPs | 30.72 TeraFlops | 905 | 8.96 TeraFlops | 43 | N/A |
| Operating System |
SuSE Linux Enterprise Server 9 | AIX 5.3 | RedHat Enterprise Linux 4 | AIX 5.3 | Linux 2.6 |
| Clock Speed |
2.5GHz | 2.2GHz and 1.9Ghz | 2.0 GHz | 1.9GHz | 1.6GHz |
| CPUs | 1536 | 140 | 280 | 16 | 8 |
| Memory Type | distributed and shared | distributed and shared | distributed and shared | distributed and shared | N/A |
| Total Memory | 6144 GB | 440 GB | 1472 GB | 128 GB | 8 GB |
| Memory per Node |
8 GB | 4GB 16GB (libra43) 32GB (libra43-50) 64GB (libra45-46) |
8 GB and 16GB | 64 GB | 8 GB |
| Network | Myrinet | GigE | GigE | GigE | Ethernet |
| Scratch Disk | /scratch /N/gpfs/username /N/dc/scratch/username |
/shscr1 /shscr2/N/gpfs/username |
/scratch /N/gpfs/username /N/dc/scratch/username |
/shscr1 /shscr2/N/gpfs/username |
N/A |
| Job Type | serial, parallel, interactive |
serial, interactive |
serial, parallel, interactive |
serial, interactive |
N/A |
| Batch System |
LoadLeveler Moab |
LoadLeveler Moab |
PBS TORQUE Moab |
LoadLeveler Moab |
none |
| Batch Jobs per User |
fairshare with some restrictions | fairshare with 4 maximum | Users are limited to 128 cores 1 job on 128 cores or 128 jobs on 1 core |
fairshare with 4 maximum | N/A |
| Users |
Faculty, Students, Staff |
Faculty, Students, Staff |
Faculty, Students, Staff |
Faculty, Students, Staff |
Faculty, Students, Staff |
| Accounts |
4200 | 800 | 2400 | 30 | 25 |
| Acquire Date | 4/06 | 7/05 | 07/07 | 01/08 | 01/08 |




