The Stokes machine was the second generation of general purpose HPC National Service system, replacing Walton. Installed in December 2008, a processor upgrade in August 2010 enabled its operational lifespan to be extended out to five years. The system was hosted in the Daedalus datacentre in UCD.
The SGI ICE 8200EX cluster entered service in December 2008. In August 2010, a mid-cycle upgrade replaced the compute nodes with the latest Westmere processors thus giving the system a 50% bump in performance.
- (Dec '08 - Aug '10) - 320 nodes each with:
- 2 x 4 core Intel Xeon E5462 (Harpertown)
- 16GB RAM
- (Aug '10 - Nov '13) - 320 nodes each with:
- 2 x 6 core Intel Xeon E5650 (Westmere)
- 24GB RAM
- DDR InfiniBand hypercube interconnect
- 84TiB Panasas storage