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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
============================== |
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o eesupp (global_max & global_sum): |
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- add one more element to buffer (start at index 0) for GL_MAX/SUM output; |
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- remove starting & endding barrier (no longer needed) |
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o pkg/mdsio, writelocal: |
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works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined |
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(remove the STOP): uses shared buffer IO to store data from all threads |
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and then let master-thread write nThreads tiles. |
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o pkg/mdsio (read/write field): |
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- tiled IO done in 1 piece (all levels at a time); |
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- new header file "MDSIO_BUFF_3D.h" with 3-D buffers. |
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- multi-threaded: allow to read/write local (non-shared) array |
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(was already working with singleCpuIO ; now works also without); |
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=> no longer needs barrier call after reading a file (added inside |
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mds_read/write field). |
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- move barrier calls outside gather/scatter_2d to mds_read/write_field |
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o pkg/obcs/exf |
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- exf_getffieldrec.F: add a few ". _d 0" and |
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add code to catch the case fldperiod = 0. |
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- obcs_precribe_read.F: change if statements so that they match |
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the variable type (_RL) |
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- add a separate exf_iprec_obcs to exf_set_obcs (by default equal to |
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exf_iprec) as part of namelist EXF_NML_01 |
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o pkg/mdsio: |
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- read/write tiled (local) files: read/write 1-level tile chunk at a time |
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(instead of segment of length sNx); expected to speed up tiled IO. |
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o pkg/exch2: |
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- take buffer copy from/to array out of S/R exch2_send/recv into new |
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S/R exch2_put/get ; Exch of local variable now works with MPI+MTH |
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(tested by removing commom block statement in SOLVE_FOR_PRESSURE.h). |
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- ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get) |
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- simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds |
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(which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by |
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including Topology header file (and common blocks). |
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- implement EXCH_IGNORE_CORNERS in scalar exchange (rx1); |
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remove 2nd exch call in exch2_s3d_rx (no longer needed). |
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- document S/R arg. list (+ update some comments) |
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o pkg/seaice: |
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- added SEAICE_CLIM_AIR code, which permits modulation of surface air |
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temperature and humidity over sea ice based on climatological values. |
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- clean up computation of Hibler+Bryan (1987) stress coupling for the case |
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of LSR (this change is expected to change the results slightly because now |
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it uses slightly difference moduli from the second last LSR solution, but |
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that is more consistent with the stress computations; this part of the code |
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is not tested in the verification experiments) |
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- fix diagnostics for flux of ice in case of B-grid |
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- turn strain rates eij and press into global fields within global |
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common block in SEAICE.h for more straighforward diagnostics |
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- fix diagnostics for principal stress components, press, zeta, eta |
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to give something meaning full |
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o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate |
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new output (all 4 tests) using default rotationPeriod. |
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o pkg KPP: |
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- add flag (LimitHblStable) to avoid limiting BL depth under stable conditions |
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- fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1 |
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and normal grid from 1 to Nr) |
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o Fix computations of L4rdt in mom_calc_visc.F |
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o eesupp: |
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new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg): |
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should be called before a "stop" if we know that all process are going |
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to stop; if one Proc does call this S/R, will hang in MPI_FINALISE. |
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checkpoint61o |
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o pkg/exch2: change check_depths to issue just a warning (instead of error+stop) |
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o model/src/ini_curvilinear_grid.F: |
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compute angleSin/CosC when they are not read from a file |
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o pkg/seaice: |
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add pseudo time stepping for LSOR |
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o pkg/exch2: |
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temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW |
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o pkg/seaice: |
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Adding separate sea ice albedo, drag coefficients, and HO in Southern |
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Ocean from those in Arctic Ocean. See *_south in SEAICE_PARAMS.h |
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o SingleCpuIO: |
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fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used. |
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o pkg/seaice: |
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put exchanged variable in (local) common block for MPI+Multi-Threads |
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to work (necessary with exch1, and for now with exch2 too). |
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o verification: to get more experiments tested with mpi, mth and mpi+mth, |
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change tiling of: |
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aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15, |
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hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope |
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update output of exp: |
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exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5), |
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tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod) |
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+ ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU |
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(note: output.txt generated on faulks using only 1 tile) |
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o eesupp & mdsio (SingleCpuIO): |
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- remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time |
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parameter "W2_useE2ioLayOut" (read from file "data.exch2"). |
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Note: was not effective for globalFile & useSingleCpuIO=F; now fixed. |
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- move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc). |
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- fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same |
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gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array). |
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o pkg/exch2: |
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- new code to set-up W2-Exch2 topology (replace matlab-topology-generator): |
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read parameter file "data.exch2" if it exists; otherwise try default regular |
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cube without blank-tile; new header file "W2_EXCH2_SIZE.h"; |
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- update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible |
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with new code (not to be used, just as a backup solution). |
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- add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2" |
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in utils/exch2/input. |
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checkpoint61n |
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o eesupp & mdsio (SingleCpuIO): |
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- move mapping to global io-buffer inside gather_2d/scater_2d: this save |
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memory (1 less 2D global RL array); skip 1 buffer copy; and only send/ |
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receive real*4 array (instead of real*8) to read/write 32.bit files. |
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(new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S |
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and remove new mapping S/R) |
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o pkg/mdsio: in preparation for topology-generator within pkg/exch2: |
o pkg/mdsio: in preparation for topology-generator within pkg/exch2: |
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- Change declaration of SingleCpuIO buffer, reduced to only 1 dim.: |
- Change declaration of SingleCpuIO buffer, reduced to only 1 dim.: |
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xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h |
xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h |
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