I/O Interconnect Performance
- Low latency and high bandwidth on GSN
- Support for clusters up to 48 hosts x 128 cpus
- Support for fast packet error checking and retransmit.
- Multi-NIC support
- Array Services expedites job launch
- NUMA placement coordinates with cluster placement
- MPI collectives optimized for cluster of SMPs.
- Internal MPI statistics reporting
- Hierarchical job startup
- Environment variables tune MPI for maximum performance