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Netfinity Linux Cluster Hardware Information
Netfinity is an IBM Netfinity cluster of two different kinds of compute nodes.
Hardware and Configuration
- 51 compute nodes
- 1 interactive node
- 2 file server nodes
- 3 server nodes
- 102 total compute processors
- 146 GB total memory
The compute nodes are divided as follows:
Forty IBM xSeries 330 nodes
- Two Intel Pentium III, 1.26 GHz processors with 512KB full-speed L2 cache
- Memory: 3.25 GB per node
- Suitable for: MPI jobs
Eleven IBM xSeries 330 nodes
- Two Intel Pentium IV, 2.6 GHz processors with 512KB full-speed L2 cache
- Memory: 1.5 GB per node
- Suitable for: serial jobs
Network
All of the xSeries 330 nodes within the Netfinity cluster are interconnected with a non-blocking Myrinet fabric used for interprocess communication (IPC). The Myrinet fabric is a very low latency, high bandwidth network with peak performance of 2 GB/second in unidirectional and 4 GB/second in bi-direction bandwidth, the intent of which is to accomodate high-speed communication for MPI jobs.