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Small-scale Decomposition Map Files for Testing

  • Three small-scale cases of E3SM decomposition maps are available for testing. They are F, G, and I cases. The decomposition maps were generated from E3SM runs on 16 MPI processes.

    • F case uses 3 decomposition maps.
      • File map_f_case_16p.nc is in NetCDF classic CDF-5 format
      • File map_f_case_16p.h5 is in HDF5 format
      • File map_f_case_16p.nc4 is in NetCDF4 format
      • File map_f_case_16p.bp is in ADIOS BP format
    • G case uses 6 decomposition maps.
      • File map_g_case_16p.nc is in NetCDF classic CDF-5 format
      • File map_g_case_16p.h5 is in HDF5 format
      • File map_g_case_16p.nc4 is in NetCDF4 format
      • File map_g_case_16p.bp is in ADIOS BP format
    • I case uses 5 decomposition maps.
      • File map_i_case_16p.nc is in NetCDF classic CDF-5 format
      • File map_i_case_16p.h5 is in HDF5 format
      • File map_i_case_16p.nc4 is in NetCDF4 format
      • File map_i_case_16p.bp is in ADIOS BP format

  • Metadata (file header) of the three cases are available in text format.

    • F case produces 2 output files, namely h0 and h1.
      • File f_case_h0.txt
      • File f_case_h1.txt
    • G case produces 1 output file
      • File g_case_hist.txt
    • I case produces 2 output files, namely h0 and h1.
      • File i_case_h0.txt
      • File i_case_h1.txt

Dimensions in Decomposition Maps

F case G case I case
D1 ncol nCells lat x lon
D2 ncol nEdges (levgrnd or levdcmp) x lat x lon
D3 lev x ncol nCells x nVertLevels levlak x lat x lon
D4 nEdges x nVertLevels ltype x lat x lon
D5 nVertices x nVertLevels natpft x lat x lon
D6 nCells x nVertLevelsP1

Dimension sizes of decomposition maps available in this folder

map_f_case_16p map_g_case_16p map_i_case_16p
ncol = 866 nCells = 285 lat = 96
lev = 72 nEdges = 879 lon = 144
nVertLevels = 100 levgrnd = 15
nVertices = 593 levdcmp = 15
nVertLevelsP1 = 101 levlak = 10
ltype = 9
natpft = 17

Decomposition Map's dimension sizes used in production runs (standard resolution)

F case 21600p G case 9600p I case 1344p
ncol = 777602 nCells = 3693225 lat = 360
lev = 72 nEdges = 11135652 lon = 720
nVertLevels = 80 levgrnd = 15
nVertices = 7441216 levdcmp = 15
nVertLevelsP1 = 81 levlak = 10
ltype = 9
natpft = 17
  • For information about the statistics of decomposition maps and variables that are partitioned using the maps, readers are referred to ../docs/variables.md.