wiki:Projects/UM-NetCDF/NcTest2

Version 1 (modified by jeff, 3 months ago) (diff)

Test Unified Model data output for high resolution atmosphere model

  • 10 day run
  • N1280L85 (2560x1920x85) resolution
  • 72x50 processor decomposition
  • 2 OpenMP threads per core

Results of using different model output formats/data packing

Wallclock time (hh:mm) Total output size (Gbytes) Size of p9 file (Gbytes) Number of IO server processors Model output Notes
08:18 1325 232 36 Fieldfiles output, 'New Climate' packing profile
08:50 1325 232 0 Fieldfiles output, 'New Climate' packing profile
08:51 1314 234 36 NetCDF output 32 bit Time and total output size estimated from 2 day run
09:20 1314 234 0 NetCDF output 32 bit
10:03 2630 468 0 NetCDF output 64 bit
11:51 689 126 36 NetCDF output 32 bit, 'New Climate' packing profile, deflate level 1 Time and total output size estimated from 2 day run
20:05 689 126 0 NetCDF output 32 bit, 'New Climate' packing profile, deflate level 1 Time and total output size estimated from 2 day run