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Based on:
#183
CICE with dynamics allocatable through namelist
Developer(s): Mads Hvid Ribergaard, DMI
Please suggest code Pull Request reviewers in the column at right.
Tony?
Are the code changes bit for bit, different at roundoff level, or more substantial?
Yes: BIT for BIT identical
Is the documentation being updated with this PR? (Y/N): NO
If not, does the documentation need to be updated separately at a later time? (Y/N): ?
Note: "Documentation" includes information on the wiki and .rst files in doc/source/,
which are used to create the online technical docs at https://readthedocs.org/projects/cice-consortium-cice/.
Other Relevant Details:
One of my test using GX3 (24 iterations):
CICE_v6/GX3> md5sum history./icednc
1b47affe3502c4e9354691c22785c916 history.AllocDyn/iced.1998-01-02-00000.nc
1b47affe3502c4e9354691c22785c916 history.master/iced.1998-01-02-00000.nc
--o--
INFO:
New namelist info (and default values):
&domain_nml
nprocs = -1
max_blocks = -1 ! MXBLCK
block_size_x = -1 ! BLCKX
block_size_y = -1 ! BLCKY
nx_global = -1 ! NXGLOB
ny_global = -1 ! NYGLOB
...
CICE stops with ERROR if the namelist settings are <1 - except for max_blocks. If max_blocks is <1 it is automatically calculated/estimated as:
max_blocks=( ((nx_global-1)/block_size_x + 1) * ((ny_global-1)/block_size_y + 1) ) / nprocs
--o--
affected files:
cicecore/shared/ice_domain_size.F90
cicecore/shared/ice_arrays_column.F90
cicecore/drivers/cice/CICE_InitMod.F90
cicecore/drivers/hadgem3/CICE_InitMod.F90
cicecore/drivers/cesm/CICE_InitMod.F90
cicecore/cicedynB/infrastructure/ice_grid.F90
cicecore/cicedynB/infrastructure/ice_restoring.F90
cicecore/cicedynB/general/ice_flux.F90
cicecore/cicedynB/general/ice_state.F90
cicecore/cicedynB/general/ice_forcing.F90
cicecore/cicedynB/general/ice_forcing_bgc.F90
cicecore/cicedynB/general/ice_flux_bgc.F90
configuration/scripts/ice_in (setup to GX3)
--o--
TIP: If you want to keep the CPPDEFS to specify blocks, grid size etc., You can add a "sed" command similar to this:
cat ice_in_tmp | sed s/'^.nprocs.$'/" nprocs = ${nprocs}"/g
| sed s/'^.max_blocks.$'/" , max_blocks = ${MXBLCK}"/g
| sed s/'^.block_size_x.$'/" , block_size_x = ${BLCKX}"/g
| sed s/'^.block_size_y.$'/" , block_size_y = ${BLCKY}"/g
| sed s/'^.nx_global.$'/" , nx_global = ${NXGLOB}"/g
| sed s/'^.ny_global.$'/" , ny_global = ${NYGLOB}"/g > ice_in
MXBLCK can be set to 0. The it is calculated as:
max_blocks = (nx_global/block_size_x)*(ny_global/block_size_y) / nprocs
(as suggested within ice_domain_size.F90)