The e-infrastructure accessible to researchers consists of:

• Cluster 1 (2002 with an update in 2005): 14 nodes (28 cores)

• Cluster 2 (2006): 7 nodes (28 cores)

• Cluster 3 (2008): 8 nodes (32 cores)

• Cluster 4 (2008): 4 nodes (16 cores)

• IBM Cluster (2010): 50 servers, 400 cores