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Piz Daint

All data presented here are based on measurements from realistic calculations executed on Piz Daint system, within PRACE grants.

Cost scalings

Static code (st-wslda-2d)

Time-dependent code (td-wslda-2d)

I/O performance

Reading checkpoint

# CHECKPOINT INFO: MODE=READ: DATA SIZE=     5539.54 GB
# CHECKPOINT INFO: MPI_NP_PER_IO_GROUP=24.
# CHECKPOINT INFO: READ TIME=       67.51 sec
# CHECKPOINT INFO: READ SPEED=      82.055 GB/sec

Writing checkpoint

# CHECKPOINT INFO: MODE=WRITE: DATA SIZE=     5539.54 GB
# CHECKPOINT INFO: MPI_NP_PER_IO_GROUP=24.
# CHECKPOINT INFO: WRITE TIME=       75.60 sec
# CHECKPOINT INFO: WRITE SPEED=      73.274 GB/sec