UKESM model speeds (model years/day)

Nodes for ATMOS
1633 (1 for IOS)**65 (1 for IOS)
GC3.1 (UM dt=30mins) 4.235.337.29
GC3.1 3.644.52 & 4.41*6.63
UKESM0.4-CC 3.644.945.12
UKESM0.4 1.932.58**3.51
* Run on XCF, the others are on XCS
** Except UKESM0.4 which was 32 nodes and no IOS (it only used one thread)

Run details

  • N96 & ORCA1
  • Ocean nodes
    • 2 for GC3.1
    • 3 for UKESM0.4-CC & UKESM0.4
  • Run for one 3 month cylce (except UKESM0.4 which used a 2 month cycle)
  • 2 threads & 6 IO servers for UM nodes > 16 (except UKESM0.4 at 32 nodes, which used one thread)
  • Broadwell nodes (36 cores per node)