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