Oscar Technical Specifications

IBM iDataPlex system designed for high reliability and reduced power consumption
234 nodes with dual Intel Xeon 5540 (2.53 GHz) quad-core Nehalem processors and 24 GB of DDR-3 memory (1333 GHz)
30 nodes with Intel Xeon 5650 (2.67 GHZ) quad-core Nehalem processors and 48 GB of DDR-3 memory (1333 GHZ)
4 nodes with Intel Xeon 5650 (2.67 GHz) quad-core Nehalem processors and 96 GB of DDR-3 memory (1333 GHz)
1 ScaleMP node Intel Xeon 5540 (2.53 GHz) quad-core Nehalem processors and 1.5 TB of DDR-3 memory.
40 Gb/s Quad-Data-Rate (QDR) Infiniband interconnect
Diskless nodes with I/O provided by an IBM GPFS parallel filesystem
Two login nodes provide access for application development, debugging and batch job management
CentOS 5.4 Linux operating system
xCAT open-source cluster management software
Moab Cluster Suite for managing, queuing and scheduling batch jobs

2 x NVIDIA Tesla M2050 GPUs (Fermi architecture), each with 448 CUDA cores and 3GB GDDR5 memory (44 nodes)

Seven nodes with 16 cores at 2.6Ghz (four quad-core AMD Opteron Shanghai-series processors)
Two nodes with 16 cores at 2.3Ghz (two 8-core Intel Xeon X7560 processors)
64GB to 128GB of memory
40 Gb/s Quad-Data-Rate (QDR) Infiniband interconnect
Local hard drives, plus I/O provided by an IBM GPFS parallel filesystem
CentOS 5.4 Linux operating system
Configured for running VNC, serial jobs or interactive large-memory jobs