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revision 1.163 by jmc, Thu Jun 12 21:25:24 2003 UTC revision 1.270 by edhill, Mon Mar 22 05:10:10 2004 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o MNC:
6      - make myThid the last argument for all subroutines
7      - new default for the grid files: NO halos
8      - add useMNC and other run-time flags
9      - separate per-file-group handling of the unlimited dimension
10      - early initialization of MNC w/ flags read at the eeboot stage
11        and lookup tables set in initialize_fixed
12      - write all MNC output to a freshly-created directory
13    o thermodynamics sea-ice (thsice) is now tested with testreport.
14    o test exp. advect_cs: use the standard cs32 grid ; update output.
15    
16    checkpoint52l_post
17    o new land formulation:
18      a) use ground enthalpy as prognostic variable to ensure exact
19         energy conservation.
20      b) account for water temperature and for latent heat of freezing
21         in all processes (rain, run-off, ground storage)
22      c) compute surface and ground temperature implicitly.
23    o aim_v23 modification for new land model:
24      a) Treat separately land / ocean / sea-ice surface fluxes
25         to allow implicit computation of land & sea-ice surface temp.
26      b) add snow precipitation.
27    checkpoint52l_pre
28    
29    o fix problem (when 1 tile is empty) in min/max monitor.
30    o fix bug in timeAve (u,vZetatave in common block)
31    o no restoring terms under ice for pkg/seaice
32    o moved SEAICE_DO_DIAGS to S/R do_the_model_io
33    o bug fix for pkg/seaice pickups
34    o change MNC call locations and add coordinate attributes
35    o mask vorticity at the corner ; affects global_ocean.cs output
36    o fix ini_curvilinear_grid ; test CS experiments with mpi
37    o aim.5l_cs: modify sea-ice fraction input file ; update output
38    o exf: Adding simple range check routine for exf fields after read
39    
40    checkpoint52k_post
41    o removed top-level directory "diags"
42      - we migrated these functions to pkg/timeave a long time ago
43    o fixed bug introduced in pkg/monitor
44    o accuracy ctrlprec = 32 insuffient for gradient checks using
45      averaged fields (I/O via cost_averages)
46      -> use ctrl.h in active_file*.F to control I/O precision.
47    o paramter list of CALL ADTHE_MAIN_LOOP
48    o added initial do_the_model_io to ecco
49    o set all ...Freq to zero after cost_final
50      taveFreq, dumpFreq, pChkptFreq
51    o MAIN and ECCO differentiability restored
52    
53    checkpoint52j_post
54    o fix nchklev in tamc.h for global_ocean...
55    o Bringing flow and store directives up-to-date
56    o Really weird thing!
57      call do_the_model_io from the_main_loop with parameters
58      starttime, niter0, instead of mytime, myiter, screws up the adjoint:
59      TAF places a faulty re-call of initialise_varia
60      after cost_final call which should not be there!
61    checkpoint52j_pre
62    
63    o tweaked pkg/mdsio/mdsio_readfield.F to have more useful logic and
64      error messages
65    o fix errorMessageUnit problem. remove old version of mdsio from eesup/src
66    o modified pkg/mdsio/mdsio_readfield.F -- commented out diskspace-eating
67      debug output
68    o modfied mdsio_writefield.F to handle non-global files under exch2
69    o update AIM Cubed-Sphere exp (aim.5l_cs):
70      use land, p*, and Franco.M forcing fields with fractional land-sea mask.
71    o update AIM Equatorial Channel exp:
72      use standard aim_v23 pkg and change the SST fields to be more realistic.
73    o globalFile now works with exch2
74    o merged mom_vi_calc_relvort3.F, mom_vi_del2uv.F and
75      mon_vort3.F to make exch2 friendly with >1 tile per cube face
76    o limit timeave output for hi-res integrations
77    
78    checkpoint52i_post
79    o removed CPP_EEOPTIONS.h from verification/*/code
80    o updated the tiling for global_ocean_pressure
81    checkpoint52i_pre
82    
83    o update aim.5l_LatLon using the standard aim_v23 pkg (instead of
84      the old pkg/aim).
85    
86    checkpoint52h_pre
87    o shortened offending lines in exch2_send_rx?.template
88    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
89    o genmake2: add build & execute test for NetCDF code
90    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
91      old grid files, moved CPP_EEMACROS.h to pkg/exch2
92    o added useSingleCPUIO flag to monitor.F and mon_out.F
93    o added temporary hack for sea-ice dynamics on the cube:
94      metric terms are ignored and it is assumed that
95      there is no sea-ice on cube faces 1, 2, 4, and 5.
96    
97    checkpoint52f_post
98    o added exch2 cube routines to pkg/exch2
99    o modified hs94.cs-32x32x5 to use it
100    o added new grid files to hs94.cs-32x32x5
101    checkpoint52f_pre
102    
103    checkpoint52e_post
104    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
105      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
106    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
107      to work with implicit vertical advection and AB ;
108    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
109    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
110     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
111    checkpoint52e_pre
112    
113    o fix bug in impldiff when Nr=1 or Nr=2.
114    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
115    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
116    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
117      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
118    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
119    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
120    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
121    
122    checkpoint52d_post
123    o re-tiled many expts to allow comparison in multi-processor mode
124      - updated output accordingly
125      - changed hs94.128x64x5 to use intial T from file rather than use the
126        random number generator
127    o add infrastructure in model routines for fizhi and gridalt packages
128    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
129    o changes to permit hi-res, cubed-sphere, configuration
130      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
131      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
132      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
133        of surface winds for the cube
134      (A verification experiment, based on global_ocean.cs32x15, but with
135       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
136       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
137       complete with example surface forcing files and matlab scripts to look
138       at the output and compare it with that of global_ocean.cs32x15.)
139    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
140       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
141       to conform to the common rule.
142    o check-in the first version of the coupler + interfaces for multi-components
143       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
144       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
145       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
146       - ocean and atmos. share the same horizontal grid (no interpolation).
147       - exchanges between component and coupler is done in forward_step
148    o new verification experiment, cpl_aim+ocn:
149       coupled ocean - AIM atmosphere on cs32 grid.
150    
151    checkpoint52d_pre
152    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
153    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
154    
155    checkpoint52c_post
156    o Fixing OPTIONS files for use of exf:
157      - ALLOW_ECCO not needed
158      - ECCO_CPPOPTIONS.h should not be included from
159        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
160        as has been the case in the past
161      - All cal/exf related options are currently set in
162        single header file. Should remain so until we
163        agree on a consistent new policy.
164    o Removed all CPP options for cal package.
165      cal has no more CPP options.
166    o modified STOREs in GAD_ADVECTION
167    o corrected key comp. for passkey
168    
169    checkpoint52b_post
170    o new version: "thsice" of thermodynamic sea-ice pkg:
171     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
172     - modify fluxes but do not change theta directly;
173     - light cleaning of bulk_force pkg (still needed with thsice).
174     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
175       + output_thsice.txt to test thsice & bulk_force pkgs.
176    o put back grid & coriolis monitor output.
177    checkpoint52b_pre
178    
179    o call "do_the_model_io" at the beginning (=> dump initial state)
180    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
181    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
182      (need info on NUMBER_OF_PTRACERS)
183    o missing PTRACERS headers in some routines
184    o default tamc.h in pkg/autodiff supposed to crash
185      to ensure proper customization
186    
187    checkpoint52a_post
188    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
189      - moved surfaceTendencyTice from pkg/seaice to main code
190      - subroutine FREEZE_SURFACE now limits only surface temperature
191        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
192        => new output.txt for global_ocean.cs32x15 & global_with_exf
193      - keep the old version of FREEZE for backward compatibility;
194        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
195      - corresponding modifs for TAF directives
196    o added surface flux output variables to TIMEAVE_STATVARS
197    o time-averaged output for pkg/ptracers
198    o fix problem with ECCO-related divided adjoint
199      snapshot file was missing some ad-variables,
200      but no warning issued by TAF
201    
202    checkpoint52a_pre
203    o some bug fixes for #undef REAL4_IS_SLOW
204    
205    checkpoint52 = ecco_c52_e35
206    o after testing adjoints of checkpoint51u_post
207    
208    checkpoint51u_post
209    o this is the post-merge tag of the ecco-branch
210      (needs another clean checkout and re-testing)
211    o various natl_box_adjoint configs and results
212      but no input fields
213    o obcs adjoint not yet merged!
214    o adding ECCO global 1x1 and 2x2 degree configs
215    o updated/extended some store directives for seaice
216    o pkg/ecco now containes ecco-specific part of cost function
217    o top level routines the_main_loop, forward_step
218      supersede those in model/src/
219      previous input data.cost now in data.ecco
220      (new namelist ecco_cost_nml)
221    o in ctrl/ cleaned some cross-dependencies and updated CPP options
222    
223    checkpoint51t_post
224    o this is the pre-merge tag of the ecco-branch
225    
226    checkpoint51s_post
227    o cleanup: removed various obsolete #define-s
228    o pkg/grdchk
229      - renamed 'ph-grd 3' to 'grad-res'
230      - merged from ecco-branch
231        (remaining bug fixes for obcs gradient checks)
232      - additional high-precision output for testreport
233        (grep for 'precision_grdchk_result')
234    
235    checkpoint51r_post
236    o cleaned up or removed CPP_OPTIONS.h files
237    o updated results for some of the tests to reflect the new
238      optfiles (-ieee: -O0 instead of -O3)
239    
240    checkpoint51q_post
241    o cd_code:
242      - moved cd_scheme.F -> cd_code_scheme.F
243      - separate read_checkpoint from cd_code_ini_vars.F
244      - separated cd_code part from write_checkpoint
245      - updated AD_SOURCE, generated .flow
246      - added CD_CODE_VARS.h to the_main_loop
247      - Moving cd_code specific store dir.s to pkg/cd_code
248    o ctrl package totally restructured
249      - pack/unpack now optional and decoupled from
250        xx_/adxx_ I/O
251      - ctrl_pack/unpack cleaned
252        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
253      - confined inclusion of AD_CONFIG.h to where necessary.
254    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
255    
256    checkpoint51p_post
257    o create initial cd_code package
258      - WARNING: the initialization of fields within packages
259        is broken because INI_FIELDS (where READ_CHECKPOINT is
260        called) is called *before* PACKAGES_INIT_VARIABLES.
261        This seems to be backwards since
262        1) its important to initially zero the entire field including
263           the "halo" region
264        2) zeroing needs to be done *before* reading pickup info
265           and the pickup call might or might not happen in any
266           particular run
267      - this needs an overhaul for R2
268    o cleanup verification/*/code/GMREDI_OPTIONS.h
269    o cleanup testreport
270    
271    checkpoint51o_post
272    o bringing AD-related verif's up to date with genmake2
273      - carbon/
274      - global_ocean.90x40x15/
275      - hs.94.1x64x5/
276      - (front_relax/ )
277    o (more) consistent directory structure for AD-related verif.'s
278    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
279    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
280    o bug fix in find_alpha.F for MDJWF:
281      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
282        change rho -> rho-rhoConst
283      - replace call find_rho to find_rhonum
284    o initialisation of rFlx extended to full array (required by TAF)
285      and shifted to thermodynamics
286    o removed PTRACERS.h in ptracers routine
287    o added surfacetendencyPtr to S/R parameter list pracers_forcing
288    o Correcting initialisations for fVerU, fVerV.
289    o helping TAF to recognize dependency on kUp for
290      fVerU, fVerV
291    o Replacing delZ by delR in pkg/ctrl/
292    checkpoint51o_pre
293    
294    o undid all of cp51 pending some cleanups and discussion
295    o added the [#include "AD_CONFIG.h"] statement to all files that need
296       it for adjoint/tl #defines
297     o re-worked the build logic in genmake2 to support AD_CONFIG.h
298     o removed tools/genmake since it no longer works
299    
300    checkpoint51n_post
301    o modifications to make FREEZE flux visible to pkg/kpp
302      - moved surfaceTendencyTice from pkg/seaice to main code
303      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
304      - subroutine FREEZE now limits only surface temperature
305        (this means new output.txt for global_ocean.90x40x15,
306         global_ocean.cs32x15, and global_with_exf)
307    o added surface flux output variables to TIMEAVE_STATVARS
308    
309    checkpoint51n_pre
310    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
311    o added [#include "AD_CONFIG.h"] to all files that use the following
312      defines:
313      - ALLOW_ADJOINT_RUN
314      - ALLOW_TANGENTLINEAR_RUN
315      - ALLOW_ECCO_OPTIMIZATION
316    
317    checkpoint51m_post
318    o incorporating changes to get TAMC/TAF working in genmake2
319      - added new TAMC/TAF targets to the Makefile
320      - various cleanups related to package handling
321      - these changes should have no impact on the forward model
322    
323    checkpoint51l_post
324    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
325     - faster algorithm for cal_addtime.F
326     - higher precision arithmetic, where needed
327     - pkg/exf *startdate variables changed from calendar date to
328       model integration time
329    
330    checkpoint51l_pre
331    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
332    o enable to apply restoring on S & T only in a latitude band.
333    o update output (external_forcing_surf modif. change truncation errors)
334       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
335    
336    checkpoint51k_post
337    o change default to: useNHMTerms=.FALSE.
338     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
339       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
340     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
341        exp1, ideal_2D_oce
342     - change data file of oceanic exp (leave the results unchanged for now)
343       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
344    o set gravitySign automatically according to the vertical coordinate used
345      (and change sign: back to "logical" value: +1 when R increases downward)
346    o added an include barrier to the default CPP_OPTIONS.h and
347      removed the #include "PACKAGES_CONFIG.h" from it
348    o fix a bug in mom_fluxform (from chk51j_post)
349    
350    checkpoint51j_post
351    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
352    o adjusted some flow directives (dynamics, thermodynamics)
353    o added cubed-sphere case to test cost function
354    o heckpoint_lev?_directives.h now include
355      pkg-specific directives, whenever those are enabled.
356    o Moving pkg-specific flow directives to corresponding pkg
357      Moving pkg-specific differentiation list to corresponding pkg
358      Moving pkg-specific checkpoint-lev storing to corresponding pkg
359      ---> conventions are
360           - pkg_ad.flow
361           - pkg_ad_diff.list
362           - pkg_ad_check_lev?_dir.h
363    
364    checkpoint51i_post
365    o merge of the branch-genmake2
366      - knowingly breaks the older genmake
367      - automatic generation of all ALLOW_${PKG_NAME} defines
368      - new testreport supersedes older testscript
369    o large number of package inclusion and header cleanups
370    checkpoint51i_pre
371    
372    o new output for adjoin of global ocean vector invariant
373    o fix for checkpoint of thermodynamic seaice and bulk_force
374    o Steph gchem various cleanups
375    
376    checkpoint 51h_pre
377    o fixed some single quotes
378    o modify gchem pkg to be more versatile
379    o modifications to clean up dic pkg
380    o add pkg/cfc
381    
382    checkpoint51g_post
383    o provide links for ARPACK and ADM*TLM
384    o start removing verification/vero/
385    o update AD-related stuff
386      (in particular some IF-statements in model/src/ routines)
387    o adding to verification/global_ocean.90x40x15/ adjoint of
388      vector invariant setup
389    
390    checkpoint51f_post
391    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
392    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
393      of tracer Green's fucntions for ocean inversion project.
394    
395    checkpoint51f_pre
396    o Added on-the-fly spatial interpolation capability
397        "USE_EXF_INTERPOLATION" to pkg/exf.
398      - This is a temporary Cartesian-grid hack until
399        the super-duper ESMF coupler becomes available.
400      - See verification/global_with_exf/README for usage example.
401      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
402        flags and modified pkg/seaice accordingly.
403    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
404        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
405        non-local transport term.
406    
407    checkpoint51e_post
408    o pkg/mom_vecinv:
409      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
410      - add time-ave diagnostic of vorticity advection.
411    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
412    o atmospheric geopotential: - include water vapor effect;
413                                - use p^kappa in p* scaling.
414    o land pkg: read initial state from files.
415    o AIM : add stratospheric drag in the upper level
416    
417    checkpoint51d_post
418    o change function ILNBLNK (=> last non-blank char.) to return zero
419      (instead of the string length) when the string. char is empty
420    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
421    o modif's to restore TAMC compatibility
422      - avoid "_d" constructs in PARAMETER declarations
423      - avoid interrupting lines by comment lines
424    o Use cluster local disks for purely local I/O
425      vs. globally visible disks needed for ctrl stuff
426      (merged from ecco-branch)
427      - new active_file_loc... and mdsio_..._loc routines
428      - affected packages: autodiff, ctrl, grdchk, mdsio
429    
430    checkpoint51c_post
431    o introducing integer flag debugLevel
432      - debLevZero: suppress all output
433      - debLevA: standard
434      - debLevB: equivalent to current debugMode=.TRUE.
435    o introducing pathname variable mdsioLocalDir for mdsio
436      that can be specified at runtime
437      (relevant for cluster I/O to local disk)
438    `
439    >>>checkpoint51b_post
440    adjoint of ptracers
441    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
442    o extended state in checkpoint_lev?, etc.
443    o alternative ctrl/cost with tr1 or ptracer
444    o new comlev1_bibj_ptracers
445    o new ptracers.flow
446    o made ptracers_forcing same as external_forcing_s
447    o added verification for adjoint with ptracers
448      - adm. grdchk fail so far
449      - tlm. grdchk OK
450      - checked tapelev/comlev recomputations: OK
451    <<<checkpoint51b_pre
452    
453    checkpoint51a_post
454    o added code for biogeochemistry package
455      - new pkgs: dic, gchem
456      - new subroutine in ptracers
457    o modify code for biogeo packages
458      - in model/src and pkg/ptracers
459    
460    checkpoint51
461    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
462      - autodiff, ctrl, exf, grdchk, seaice
463      kept separate packages
464      - cost, ecco, obcs
465    o updating verification/internal_wave, verification/lab_sea
466      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
467    
468    checkpoint50i_post
469    o Preparing next differentiable checkpoint and sync
470      of MAIN vs. ecco-branch
471      - 1st step: this one is differentiable
472      - 2nd step: next(! not this) checkpoint will have updated packages
473                  from ecco-branch)
474    
475    checkpoint50h_post
476  o new package "land": provide surface BC for AIM.  o new package "land": provide surface BC for AIM.
477  o pkg/ptracers: apply exchange to all tracers after reading a pickup.  o pkg/ptracers: apply exchange to all tracers after reading a pickup.
478  o AIM: use true log-P extrapolation for near surface temp (= as in  o AIM: use true log-P extrapolation for near surface temp (= as in
479      F.Molteni paper) ; update aim.5l_cs output.      F.Molteni paper) ; update aim.5l_cs output.
480  o New variable in PARM03 for more flexible pickups  o New variable in PARM03 for more flexible pickups
481    o somewhat cleaned package initialisation sequence for
482      ctrl/ cost/ ecco/ in packages_... routines
483    
484  checkpoint50g_post  checkpoint50g_post
485  o merged with release1_p17 (pkg/seaice and verification/lab_sea)  o merged with release1_p17 (pkg/seaice and verification/lab_sea)

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