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revision 1.5 by cnh, Mon Jun 15 05:13:55 1998 UTC revision 1.244 by dimitri, Tue Jan 20 17:02:40 2004 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint52h_pre
7    o shortened offending lines in exch2_send_rx?.template
8    o modified W2_EXCH2_TOPOLOGY.h to reflect current topology generator
9    o genmake2: add build & execute test for NetCDF code
10    o modded aim.5l_cs and global_ocean.cs32x15 to use exch2, removed
11      old grid files, moved CPP_EEMACROS.h to pkg/exch2
12    o added useSingleCPUIO flag to monitor.F and mon_out.F
13    o added temporary hack for sea-ice dynamics on the cube:
14      metric terms are ignored and it is assumed that
15      there is no sea-ice on cube faces 1, 2, 4, and 5.
16    
17    checkpoint52f_post
18    o added exch2 cube routines to pkg/exch2
19    o modified hs94.cs-32x32x5 to use it
20    o added new grid files to hs94.cs-32x32x5
21    checkpoint52f_pre
22    
23    checkpoint52e_post
24    o first attempt to solve vertical advection (momemtum & T,S) Implicitly
25      for now, only implemented with Lax-Wendroff (tracer) and VectInv (mom)
26    o step.1 : rewrite (as in MultiDimAdvec) explicit tracer stepping (gad_calc_rhs.F)
27      to work with implicit vertical advection and AB ;
28    o Implic. vert. advect. implemented with flux-limiter, c2, u3 and c4 scheme.
29    o update output (gad_calc_rhs.F changes affect truncation error) of exp:
30     front_relax, global_ocean .cs32x15 & _pressure, internal_wave, lab_sea, natl_box
31    checkpoint52e_pre
32    
33    o fix bug in impldiff when Nr=1 or Nr=2.
34    o change the albedo in pkg/thsice (as GISS model); update output_thsice.txt
35    o little changes (fftpack, aim/phy_suflux ...) to pass the "checkbounds" test.
36    o fix deltaTfreesurf in update_cg2d.F (left from c45d_post): affects 2
37      ocean exp. that use NLFS: global_ocean.cs32x15 & global_ocean_pressure
38    o added exf_offset_atemp for Celsius to Kelvin conversion of atemp
39    o eesupp/inc/EEPARAMS.h: MAX_NO_PROCS=1024
40    o pkg/cal/cal_toseconds.F fix for long (>60 years) integrations
41    
42    checkpoint52d_post
43    o re-tiled many expts to allow comparison in multi-processor mode
44      - updated output accordingly
45      - changed hs94.128x64x5 to use intial T from file rather than use the
46        random number generator
47    o add infrastructure in model routines for fizhi and gridalt packages
48    o change global_ocean.cs32x15 because of Pb with GM on CS-grid.
49    o changes to permit hi-res, cubed-sphere, configuration
50      - added useSingleCpuIO capability to mdsio_readfield.F and exf_interp.F
51      - added "#undef ALLOW_USE_MPI" support to eesupp/src/scatter_2d.F
52      - added pkg/exf/exf_set_uv.F for on-the-fly interpolation and rotation
53        of surface winds for the cube
54      (A verification experiment, based on global_ocean.cs32x15, but with
55       pkg/seaice turned on and with on-the-fly interpolation from the NCEP
56       Gaussian grid is described in MITgcm_contrib/high_res_cube/README_ice,
57       complete with example surface forcing files and matlab scripts to look
58       at the output and compare it with that of global_ocean.cs32x15.)
59    o packages pickup: $PKG_write_pickup called from packages_write_pickup ;
60       but call to $PKG_read_pickup remains in $PKG_ini_vars: change CD_code
61       to conform to the common rule.
62    o check-in the first version of the coupler + interfaces for multi-components
63       set-up (Chris's version, adapted to work on cubed-sphere grid); use MPI.
64       - imply modification in eesupp (MPI_COMM_MODEL < MPI_COMM_WORLD).
65       - atmosphere: use pkg aim_v23 ; no sea-ice for now.
66       - ocean and atmos. share the same horizontal grid (no interpolation).
67       - exchanges between component and coupler is done in forward_step
68    o new verification experiment, cpl_aim+ocn:
69       coupled ocean - AIM atmosphere on cs32 grid.
70    
71    checkpoint52d_pre
72    o surface flux time-av diagnostic modified for NLFS & RealFreshWater
73    o add call to AIM pendant S/R in external_forcing & external_fields_load.F
74    
75    checkpoint52c_post
76    o Fixing OPTIONS files for use of exf:
77      - ALLOW_ECCO not needed
78      - ECCO_CPPOPTIONS.h should not be included from
79        EXF_OPTIONS.h/CAL_OPTIONS.h, but from CPP_OPTIONS.h
80        as has been the case in the past
81      - All cal/exf related options are currently set in
82        single header file. Should remain so until we
83        agree on a consistent new policy.
84    o Removed all CPP options for cal package.
85      cal has no more CPP options.
86    o modified STOREs in GAD_ADVECTION
87    o corrected key comp. for passkey
88    
89    checkpoint52b_post
90    o new version: "thsice" of thermodynamic sea-ice pkg:
91     - only 1 call from "forward_step"; conserve energy, fresh-water & salt.
92     - modify fluxes but do not change theta directly;
93     - light cleaning of bulk_force pkg (still needed with thsice).
94     - add forcing fields + data files in global_ocean.cs32x15/inp_thsice
95       + output_thsice.txt to test thsice & bulk_force pkgs.
96    o put back grid & coriolis monitor output.
97    checkpoint52b_pre
98    
99    o call "do_the_model_io" at the beginning (=> dump initial state)
100    o use rhoConstFresh to define convertEmP2rUnit (was done only in ocean-P)
101    o sort out interplay between tamc.h and PTRACERS_OPTIONS.h
102      (need info on NUMBER_OF_PTRACERS)
103    o missing PTRACERS headers in some routines
104    o default tamc.h in pkg/autodiff supposed to crash
105      to ensure proper customization
106    
107    checkpoint52a_post
108    o modifications to make FREEZE (_SURFACE) flux visible to pkg/kpp
109      - moved surfaceTendencyTice from pkg/seaice to main code
110      - subroutine FREEZE_SURFACE now limits only surface temperature
111        and is called in FORWARD_STEP (if allowFreezing=.TRUE.)
112        => new output.txt for global_ocean.cs32x15 & global_with_exf
113      - keep the old version of FREEZE for backward compatibility;
114        global_ocean.90x40x15 left unchanged using useOldFreezing=.TRUE.
115      - corresponding modifs for TAF directives
116    o added surface flux output variables to TIMEAVE_STATVARS
117    o time-averaged output for pkg/ptracers
118    o fix problem with ECCO-related divided adjoint
119      snapshot file was missing some ad-variables,
120      but no warning issued by TAF
121    
122    checkpoint52a_pre
123    o some bug fixes for #undef REAL4_IS_SLOW
124    
125    checkpoint52 = ecco_c52_e35
126    o after testing adjoints of checkpoint51u_post
127    
128    checkpoint51u_post
129    o this is the post-merge tag of the ecco-branch
130      (needs another clean checkout and re-testing)
131    o various natl_box_adjoint configs and results
132      but no input fields
133    o obcs adjoint not yet merged!
134    o adding ECCO global 1x1 and 2x2 degree configs
135    o updated/extended some store directives for seaice
136    o pkg/ecco now containes ecco-specific part of cost function
137    o top level routines the_main_loop, forward_step
138      supersede those in model/src/
139      previous input data.cost now in data.ecco
140      (new namelist ecco_cost_nml)
141    o in ctrl/ cleaned some cross-dependencies and updated CPP options
142    
143    checkpoint51t_post
144    o this is the pre-merge tag of the ecco-branch
145    
146    checkpoint51s_post
147    o cleanup: removed various obsolete #define-s
148    o pkg/grdchk
149      - renamed 'ph-grd 3' to 'grad-res'
150      - merged from ecco-branch
151        (remaining bug fixes for obcs gradient checks)
152      - additional high-precision output for testreport
153        (grep for 'precision_grdchk_result')
154    
155    checkpoint51r_post
156    o cleaned up or removed CPP_OPTIONS.h files
157    o updated results for some of the tests to reflect the new
158      optfiles (-ieee: -O0 instead of -O3)
159    
160    checkpoint51q_post
161    o cd_code:
162      - moved cd_scheme.F -> cd_code_scheme.F
163      - separate read_checkpoint from cd_code_ini_vars.F
164      - separated cd_code part from write_checkpoint
165      - updated AD_SOURCE, generated .flow
166      - added CD_CODE_VARS.h to the_main_loop
167      - Moving cd_code specific store dir.s to pkg/cd_code
168    o ctrl package totally restructured
169      - pack/unpack now optional and decoupled from
170        xx_/adxx_ I/O
171      - ctrl_pack/unpack cleaned
172        (new routines ctrl_init_ctrlvar.F, pkg/ctrl/ctrl_init_wet.F)
173      - confined inclusion of AD_CONFIG.h to where necessary.
174    o genmake2: changed AD dependencies from SRCFILES to AD_FILES
175    
176    checkpoint51p_post
177    o create initial cd_code package
178      - WARNING: the initialization of fields within packages
179        is broken because INI_FIELDS (where READ_CHECKPOINT is
180        called) is called *before* PACKAGES_INIT_VARIABLES.
181        This seems to be backwards since
182        1) its important to initially zero the entire field including
183           the "halo" region
184        2) zeroing needs to be done *before* reading pickup info
185           and the pickup call might or might not happen in any
186           particular run
187      - this needs an overhaul for R2
188    o cleanup verification/*/code/GMREDI_OPTIONS.h
189    o cleanup testreport
190    
191    checkpoint51o_post
192    o bringing AD-related verif's up to date with genmake2
193      - carbon/
194      - global_ocean.90x40x15/
195      - hs.94.1x64x5/
196      - (front_relax/ )
197    o (more) consistent directory structure for AD-related verif.'s
198    o cleaning ALLOW_GRADIENT_CHECK -> ALLOW_GRDCHK
199    o cleaning some ALLOW_TANGENTLINEAR_RUN -> ALLOW_AUTODIFF
200    o bug fix in find_alpha.F for MDJWF:
201      - modif. to alpha = 1/D*( dN/dT - rho*dD/Dt) to account for
202        change rho -> rho-rhoConst
203      - replace call find_rho to find_rhonum
204    o initialisation of rFlx extended to full array (required by TAF)
205      and shifted to thermodynamics
206    o removed PTRACERS.h in ptracers routine
207    o added surfacetendencyPtr to S/R parameter list pracers_forcing
208    o Correcting initialisations for fVerU, fVerV.
209    o helping TAF to recognize dependency on kUp for
210      fVerU, fVerV
211    o Replacing delZ by delR in pkg/ctrl/
212    checkpoint51o_pre
213    
214    o undid all of cp51 pending some cleanups and discussion
215    o added the [#include "AD_CONFIG.h"] statement to all files that need
216       it for adjoint/tl #defines
217     o re-worked the build logic in genmake2 to support AD_CONFIG.h
218     o removed tools/genmake since it no longer works
219    
220    checkpoint51n_post
221    o modifications to make FREEZE flux visible to pkg/kpp
222      - moved surfaceTendencyTice from pkg/seaice to main code
223      - FREEZE & EXTERNAL_FORCING_SURF moved to FORWARD_STEP
224      - subroutine FREEZE now limits only surface temperature
225        (this means new output.txt for global_ocean.90x40x15,
226         global_ocean.cs32x15, and global_with_exf)
227    o added surface flux output variables to TIMEAVE_STATVARS
228    
229    checkpoint51n_pre
230    o added "#undef ALLOW_USE_MPI" support to eesupp/src/gather_2d.F
231    o added [#include "AD_CONFIG.h"] to all files that use the following
232      defines:
233      - ALLOW_ADJOINT_RUN
234      - ALLOW_TANGENTLINEAR_RUN
235      - ALLOW_ECCO_OPTIMIZATION
236    
237    checkpoint51m_post
238    o incorporating changes to get TAMC/TAF working in genmake2
239      - added new TAMC/TAF targets to the Makefile
240      - various cleanups related to package handling
241      - these changes should have no impact on the forward model
242    
243    checkpoint51l_post
244    o changes to pkg/cal and pkg/exf that allow and speed-up long integrations
245     - faster algorithm for cal_addtime.F
246     - higher precision arithmetic, where needed
247     - pkg/exf *startdate variables changed from calendar date to
248       model integration time
249    
250    checkpoint51l_pre
251    o add salt flux to forcing fields (used when salty sea-ice forms or melts)
252    o enable to apply restoring on S & T only in a latitude band.
253    o update output (external_forcing_surf modif. change truncation errors)
254       global_ocean.cs32x15, global_ocean_pressure, lab_sea, natl_box
255    
256    checkpoint51k_post
257    o change default to: useNHMTerms=.FALSE.
258     - new output.txt for atmos. exp (NHMTerms were wrong but now turned off):
259       adjustment.128x64x1, aim.5l_Eq_Ch, aim.5l_LatLon, hs94.128x64x5, hs94.1x64x5
260     - new output.txt for idealized oceanic exp (NHMTerms are now turned off):
261        exp1, ideal_2D_oce
262     - change data file of oceanic exp (leave the results unchanged for now)
263       exp2, global_ocean[90x40x15,pressure,with_exf], lab_sea, natl_box
264    o set gravitySign automatically according to the vertical coordinate used
265      (and change sign: back to "logical" value: +1 when R increases downward)
266    o added an include barrier to the default CPP_OPTIONS.h and
267      removed the #include "PACKAGES_CONFIG.h" from it
268    o fix a bug in mom_fluxform (from chk51j_post)
269    
270    checkpoint51j_post
271    o Added some AD-related initialisations in mom_vecinv/ mom_fluxform/
272    o adjusted some flow directives (dynamics, thermodynamics)
273    o added cubed-sphere case to test cost function
274    o heckpoint_lev?_directives.h now include
275      pkg-specific directives, whenever those are enabled.
276    o Moving pkg-specific flow directives to corresponding pkg
277      Moving pkg-specific differentiation list to corresponding pkg
278      Moving pkg-specific checkpoint-lev storing to corresponding pkg
279      ---> conventions are
280           - pkg_ad.flow
281           - pkg_ad_diff.list
282           - pkg_ad_check_lev?_dir.h
283    
284    checkpoint51i_post
285    o merge of the branch-genmake2
286      - knowingly breaks the older genmake
287      - automatic generation of all ALLOW_${PKG_NAME} defines
288      - new testreport supersedes older testscript
289    o large number of package inclusion and header cleanups
290    checkpoint51i_pre
291    
292    o new output for adjoin of global ocean vector invariant
293    o fix for checkpoint of thermodynamic seaice and bulk_force
294    o Steph gchem various cleanups
295    
296    checkpoint 51h_pre
297    o fixed some single quotes
298    o modify gchem pkg to be more versatile
299    o modifications to clean up dic pkg
300    o add pkg/cfc
301    
302    checkpoint51g_post
303    o provide links for ARPACK and ADM*TLM
304    o start removing verification/vero/
305    o update AD-related stuff
306      (in particular some IF-statements in model/src/ routines)
307    o adding to verification/global_ocean.90x40x15/ adjoint of
308      vector invariant setup
309    
310    checkpoint51f_post
311    o update advect_xz/output.txt (left from chekpoint50f_pre, ini_vel modif)
312    o Mods and bug fixes to pkg/cal, pkg/exf, etc., needed for computation
313      of tracer Green's fucntions for ocean inversion project.
314    
315    checkpoint51f_pre
316    o Added on-the-fly spatial interpolation capability
317        "USE_EXF_INTERPOLATION" to pkg/exf.
318      - This is a temporary Cartesian-grid hack until
319        the super-duper ESMF coupler becomes available.
320      - See verification/global_with_exf/README for usage example.
321      - Removed obsolete EXFwindOnBgrid and SEAICEwindOnCgrid
322        flags and modified pkg/seaice accordingly.
323    o Bug fix to pkg/ptracers, pkg/generic_advdiff/gad_calc_rhs.F,
324        and pkg/kpp/kpp_transport_ptr.F for dealing with tracer
325        non-local transport term.
326    
327    checkpoint51e_post
328    o pkg/mom_vecinv:
329      - changes related to hFac: use S/R from aim.5l_cs/code (coriolis & vort.advec)
330      - add time-ave diagnostic of vorticity advection.
331    o add diagnostic (instantaneous) of Shapiro Filter effect for T,S & UV.
332    o atmospheric geopotential: - include water vapor effect;
333                                - use p^kappa in p* scaling.
334    o land pkg: read initial state from files.
335    o AIM : add stratospheric drag in the upper level
336    
337    checkpoint51d_post
338    o change function ILNBLNK (=> last non-blank char.) to return zero
339      (instead of the string length) when the string. char is empty
340    o fix bug in dxV,dyU definition of cubed-sphere grid (ini_curvilinear_grid)
341    o modif's to restore TAMC compatibility
342      - avoid "_d" constructs in PARAMETER declarations
343      - avoid interrupting lines by comment lines
344    o Use cluster local disks for purely local I/O
345      vs. globally visible disks needed for ctrl stuff
346      (merged from ecco-branch)
347      - new active_file_loc... and mdsio_..._loc routines
348      - affected packages: autodiff, ctrl, grdchk, mdsio
349    
350    checkpoint51c_post
351    o introducing integer flag debugLevel
352      - debLevZero: suppress all output
353      - debLevA: standard
354      - debLevB: equivalent to current debugMode=.TRUE.
355    o introducing pathname variable mdsioLocalDir for mdsio
356      that can be specified at runtime
357      (relevant for cluster I/O to local disk)
358    `
359    >>>checkpoint51b_post
360    adjoint of ptracers
361    o disentangled ALLOW_PTRACERS using new ALLOW_GCHEM
362    o extended state in checkpoint_lev?, etc.
363    o alternative ctrl/cost with tr1 or ptracer
364    o new comlev1_bibj_ptracers
365    o new ptracers.flow
366    o made ptracers_forcing same as external_forcing_s
367    o added verification for adjoint with ptracers
368      - adm. grdchk fail so far
369      - tlm. grdchk OK
370      - checked tapelev/comlev recomputations: OK
371    <<<checkpoint51b_pre
372    
373    checkpoint51a_post
374    o added code for biogeochemistry package
375      - new pkgs: dic, gchem
376      - new subroutine in ptracers
377    o modify code for biogeo packages
378      - in model/src and pkg/ptracers
379    
380    checkpoint51
381    o merged improved packages from ecco-branch (ecco_c51_e34) to MAIN
382      - autodiff, ctrl, exf, grdchk, seaice
383      kept separate packages
384      - cost, ecco, obcs
385    o updating verification/internal_wave, verification/lab_sea
386      (all verif's pass on faulks.lcs.mit.edu RH7.3, g77)
387    
388    checkpoint50i_post
389    o Preparing next differentiable checkpoint and sync
390      of MAIN vs. ecco-branch
391      - 1st step: this one is differentiable
392      - 2nd step: next(! not this) checkpoint will have updated packages
393                  from ecco-branch)
394    
395    checkpoint50h_post
396    o new package "land": provide surface BC for AIM.
397    o pkg/ptracers: apply exchange to all tracers after reading a pickup.
398    o AIM: use true log-P extrapolation for near surface temp (= as in
399        F.Molteni paper) ; update aim.5l_cs output.
400    o New variable in PARM03 for more flexible pickups
401    o somewhat cleaned package initialisation sequence for
402      ctrl/ cost/ ecco/ in packages_... routines
403    
404    checkpoint50g_post
405    o merged with release1_p17 (pkg/seaice and verification/lab_sea)
406      - added SEAICE_MULTILEVEL for 8-category sea-ice thermodynamics
407      - LSR sea-ice dynamic solver moved to SouthWest B-grid location and
408        made the default because of faster convergence than ADI
409    
410    checkpoint50f_post
411    o exf totally restructured
412      - replaced all exf_set_ routines by one generic exf_set_gen.F
413        and made sure it's still differentiable
414      - split exf_getffields.F into new exf_bulkformulae.F
415      - exf_inscal_/exf_outscal_ suffixes consistent with field names
416      - updated adjoint/makefile and relevant verif. accordingly
417    
418    checkpoint50f_pre
419     o AIM: near surface temp evaluated from Pot.Temp: fixed for Part Cell ;
420          + change Evap over land. (update aim.5l_cs output)
421     o added missing .cvsignores and made uniform across expts
422     o changed configuration of tidal_basin_2d expt
423     o added pkg/debug functions for tracing code in fatal crashes
424     o tidied pkg/monitor to use MONITOR_OPTIONS.h
425     o new fn in pkg/monitor to stop model if solution grows too big
426     o removed lots of single quotes from comments
427    
428    checkpoint50e_post
429    o make KPP work with PTRACERS
430     - fix gad_calc_rhs to call new routine kpp_transport_ptr, which is
431       nearly a copy of kpp_transport_s
432     - there is no analogue to SurfaceTendencyS, so I have to use
433       gPtr(of the surface layer) instead
434    o add a new platform SunFire+mpi (SunFire 15000) to genmake
435    checkpoint50e_pre
436    
437    checkpoint50d_post
438    o change kpp output from multiple-record state files to single-record state
439      files analogous to write_state.F
440    o reduce the output frequency of cg3d-related stuff to the monitor frequency,
441      analogous to the cg2d-related output.
442    o fix small problem with in ptracers_write_checkpoint.F: len(suff)=512,
443      so that writing to internal file fn (with length 512) fails.
444    checkpoint50d_pre
445    
446    checkpoint50c_post
447    o fix problem in ini_procs.F when using MPI (was there since checkpoint48f)
448    o add monitor diagnostic of vorticity (mon_vort3.F) and potential energy.
449    o add time-average diagnostic of U*V and vertical diffusive flux for theta.
450    o bug fixed in convective adjustment diagnostic (multi-tile set-up).
451    o 4th Order Adv scheme: return to previous (c40pre7) masking near boundaries.
452    
453    checkpoint50c_pre
454    Merging from release1_p13:
455    o bug fix for pkg/seaice dynamic solver
456    o Added SEAICE_initialHEFF to pkg/seaice
457    
458    checkpoint50b_post
459    o store u*,v* in gU,V instead of in guNm1,gvNm1
460    o in order to put the momForcing out of the Adams-Bashforth:
461      move forcing & CD-scheme calls from mom_fluxform & mom_vecinv
462      to timestep.F
463    o new flag "useCDscheme" (default=F); replace guCD,gvCD by local arrays
464    o re-generate output for highly sensitive test-exp:
465       global_ocean_pressure, ideal_2D_oce, lab_sea, natl_box
466    
467    checkpoint50b_pre
468    o restore the use of momAdvection & useCoriolis flags (mom_vecinv)
469    o corrected CPP option mismatch in exf_Bulk... functions for case
470      #define ALLOW_ATM_WIND && #undef ALLOW_ATM_TEMP
471    
472    checkpoint50a_post
473    o Bug fix for merging between c50 and KPP.
474      ikey was passed from thermodynamics to kpp_calc via
475      common block rather than being recomputed in kpp_calc,
476      in contradiction with new key itdkey.
477      New key ikppkey created, and tamc.h headers updated.
478    
479    checkpoint50
480    - 2nd step of merge with ecco-branch:
481      merge changes in ecco-branch back into main trunk
482    - bug fix in find_alpha
483    - more storing in gmredi_calc_tensor.F, kpp_routines.F
484    - avoid iterative loop in ini_pressure for ALLOW_AUTODIFF_TAMC
485    - merged some sliced AD support routines
486    
487    checkpoint49
488    merged from ecco-branch:
489    o exf:
490      - Enable initialisation of forcing fields to constant
491        (runtime) values.
492      - in exf_getffields.F
493        Reduce i-/j-loop to interior domain, discarding overlaps.
494        That also fixes wrong TAF-key computations for key_1, key_2
495        with bulf formulae.
496      - exf_init.F modify #ifdef for exf_init_evap
497      - exf_getffieldrec.F, ctrl_getrec.F
498        The following INT-usages are not safe:
499          fldsecs  = int(fldsecs/fldperiod)*fldperiod
500          fldcount = int(fldsecs/fldperiod) + 1
501        and were modified.
502    o autodiff: checkpoint_lev...
503      - updated storing for bulk formulae (some arrays were missing)
504      - added state for seaice package
505      - synchronized with main branch
506    o DIVA:
507      Modif.s in
508      - the_main_loop.F
509      - the_model_main.F
510      and added cost_final_restore.F cost_final_store.F
511      o With these changes, it is possible to fully separate
512        the first forward run to compute the cost function (mdthe_main_loop)
513        and adjoint runs over individual DIVA intervals (adthe_main_loop)
514        into separate model executions.
515        This enables better tuning of DIVA to given queue sizes.
516      o Loss of cost function value in consecutive DIVA runs is
517        fixed by storing to 'costfinal' file.
518      o Appropriate call of ctrl_unpack/_pack,grdchk_main at
519        beginning/end of adjoint integration is accounted for.
520      The current changes apply to TAF-1.4.26.
521      TAF has one remaining bug, requiring one manual change
522      (see MITgcm manual).
523    o cal: synchronized between MAIN and ecco-branch
524    
525    checkpoint48i_post
526    o Changes to restore differentiability of code w.r.t. previous tag
527      (mostly adding new routines to make list and replacing
528      pressure by totPhiHyd).
529    o Updated and merged grdchk package
530      - has both ADM and TLM checks
531      - works for single- and multi-proc.
532      - output cleaned
533      - worked successfully for parallel DIVA
534    o genmake:
535      - Adding -platform=SP4
536      - Modif. for DEC Alpha (many don't have makedepend; use mkdep instead).
537    o Modif. for DIVA:
538      ctrl_unpack should not be called in intermediate DIVA interval.
539      (similar thing would apply for active files such as
540      tbar, sbar, psbar, which should not be reinitialised;
541      only relevant for ecco-branch)
542    
543    checkpoint48h_post
544    o improve "ini_p_ground" when using finite difference form for calc_phi_hyd
545    o Added net flux to downward flux conversion to pkg/exf/exf_getffields.F
546    o Added SEAICE_initialHEFF to pkg/seaice
547    o ecco_the_model_main.F: SEAICE_WRITE_PICKUP must precede WRITE_CHECKPOINT
548    
549    checkpoint48g_post
550    --- EOS:
551    o compute locally the pressure for use in EOS: UNESCO, JMD95P, MDJWF
552      store total Potential in totPhyHyd for diagnostics & EOS.
553    o fix restart and overlap Pb when using Z-coord and EOS funct. of P
554    --- Pressure/geopotential gradient:
555    o use Ro_surf & R_low instead of hFac in cal_phi_hyd:
556    o NLFS + p-coord.: eta*Alpha' is not longer lagging 1.time-step behind
557      ( changes results of global_ocean_pressure )
558    o NLFS + z-coord.: add eta*Rho' contribution.
559    o accurate phiHyd when using interface-W at the middle between 2 centers
560     ( changes results of ideal_2D_oce )
561    o includes r* 2nd term in potential gradient.
562    
563    checkpoint48f_post
564    Merging from release1_p12:
565    o Modifications for using pkg/exf with pkg/seaice
566      - improved description of the various forcing configurations
567      - added basic radiation bulk formulae to pkg/exf
568      - units/sign fix for evap computation in exf_getffields.F
569      - updated verification/global_with_exf/results/output.txt
570    o Added pkg/sbo for computing IERS Special Bureau for the Oceans
571      (SBO) core products, including oceanic mass, center-of-mass,
572      angular, and bottom pressure (see pkg/sbo/README.sbo).
573    o Lower bound for viscosity/diffusivity in pkg/kpp/kpp_routines.F
574      to avoid negative values in shallow regions.
575      - updated verification/natl_box/results/output.txt
576      - updated verification/lab_sea/results/output.txt
577    o MPI gather, scatter: eesupp/src/gather_2d.F and scatter_2d.F
578    o Added useSingleCpuIO option (see PARAMS.h).
579    o Updated useSingleCpuIO option in mdsio_writefield.F to
580      work with multi-field files, e.g., for single-file pickup.
581    o pkg/seaice:
582      - bug fix in growth.F: QNET for no shortwave case
583      - added HeffFile for specifying initial sea-ice thickness
584      - changed SEAICE_EXTERNAL_FLUXES wind stress implementation
585    o Added missing /* */ to CPP comments in pkg/seaice, pkg/exf,
586      kpp_transport_t.F, forward_step.F, and the_main_loop.F
587    o pkg/seaice:
588      - adjoint-friendly modifications
589      - added a SEAICE_WRITE_PICKUP at end of the_model_main.F
590    
591    checkpoint48e_post
592    o New S/R for diagnostic of bottom pressure (phi0surf was missing in c48d_post)
593    o dynamics: change definition of computational domain & adapt mom_fluxform
594      accordingly ; when viscA4=0, allows to run the dynamics with Olx=Oly=2.
595    o following exp works with Olx=Oly=2 (and pass through checkbounds option):
596        adjust_nlfs.cs-32x32x1 adjustment.128x64x1 adjustment.cs-32x32x1
597        exp0 exp1 exp2 exp4 exp5 hs94.cs-32x32x5 hs94.128x64x5 hs94.1x64x5
598        global_ocean.90x40x15 global_with_exf global_ocean_pressure
599        inverted_barometer solid-body.cs-32x32x1
600      (high order AdvScheme and/or multiDimAd works with Olx=Oly=2 ? not sure)
601    
602    checkpoint48d_post
603    o in preparation for r*:
604     a) use pre-computed gradient of hydrostatic potential:
605        changes in timestep.F & mom_cdscheme.F affects results of ideal_2D_oce
606     b) move phi0surf from calc_phi_hyd to calc_grad_phi_hyd:
607        => affects results of glob_oce_pressure (different truncation error)  
608      update output.txt of ideal_2D_oce & global_ocean_pressure
609    
610    checkpoint48d_pre
611    o in preparation for r*:
612      new S/R (calc_grad_phi_hyd.F) to compute Hydrostatic potential gradient.
613      pass the 2 comp. of the grad. as arguments to momentum S/R.
614      but for the moment, only used if it does not change the results.
615    o add finite volume form of calc_phi_hyd for buoyancyRelation OCEANIC & OCEANICP
616    
617    checkpoint48c_post
618    Modifications in treatment of initial flux forcing controls
619    to avoid extra storing of flux fields.
620    
621    checkpoint48c_pre
622    o Added tidal_basin_2d experiment (currently 1D!)
623    o can use r* Coordinate with OBC (but Orlanski Rad. BC not yet implemented)
624    
625    checkpoint48b_post
626    o r* coordinate added in #ifdef NONLIN_FRSURF block.
627     (modification to pressure gradient not yet implemented)
628    o mom_fluxform: new S/R mom_calc_rtrans.F computes vertical transports
629      (for U & V) that are used for vertical advection of momentum.
630    
631    checkpoint48a_post
632    o In preparation for r*, use temp. array to compute vertical transport
633       in flux-form momentum pkg. => change results of few test-exp.
634      Update output of: exp4, exp5, front_relax, global_ocean_pressure,
635                        lab_sea, natl_box & plume_on_slope
636    
637    checkpoint48
638    o fix small bug that was causing lot of warning (TIMER_STOP 'UPDATE_CG2D')
639    
640    checkpoint47j_post
641    o add new exp. (ideal_2D_oce) to test "exotic" parameters and options.
642    o moved adexch from forward_step to addummy_in_stepping
643    o added exch in ctrl_map_...
644    o aveFreq.=0. at end of cost_final to avoid overwrite in
645      reverse checkpointing loop
646    o Yet more changes in gmredi:
647      * adgmredi_calc_tensor
648        avoiding all recomputation of gmredi_slope_limit
649      * adgmredi_x/y/rtransport
650        added flag for excessive storing to avoid recomp. of
651        u/v/rtans, dTdx/y/z
652        -> this is not really necessary and very memory-consuming
653      * adgmredi_slope_psi:
654        consistency with gmredi_slope_limit in treatment of GM_slopeSqCutoff
655      * gmredi_slope_limit
656        re-activated full calculation of taperfct for case 'ac02'
657    o updating verification/ adjoints of carbon, global_ocean.90x40x15
658    
659    checkpoint47i_post
660    o GM_EXCLUDE_() replace GM_TAPER_(): by default, all the code is compiled.
661    o add GM_Small_Number & GM_slopeSqCutoff as run-time parameters (data.gmredi)
662      default values = 1.D-12 & 1.D+48 (=> give same results as checkpoint47f_post)
663    o cg2dTargetResWunit: define tolerance using deltaTmom (and not deltaTfreesurf)
664    o gmredi: fix few bugs.
665    
666    checkpoint47h_post (duplicate tag for PH's c48 tag, in order to move c48)
667    This will be a good checkpoint to plug into the ecco-branch.
668    o few modif.'s to get latest version adjointed
669      (mainly kick out code in ini_linear_phisurf)
670    o modif's to run adjoint with exactConserv
671    o case GM_BOLUS_ADVEC should be cleaned
672      S/R gmredi_slope_psi should be cleaned
673    o verification/carbon now has exactConserv=.TRUE.
674    
675    checkpoint47g_post
676    o time-average AIM output: becomes independent from statvars time-average
677      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
678    o After TAF bug fix:
679      Tested adjoint of gmredi package.
680      Tests were done with checkpoint47 rather than with latest
681      checkpoint47f_post since the latter is broken for the adjoint
682      verification/carbon/ contains both ADM and TLM gradient checks.
683    Here they are, before they get changed/lost/stolen.
684    Mostly modif.'s to fix numerical sensitivities.
685    Gradient checks OK for
686    - GM_taper_scheme:
687      * clipping
688      * ac02
689      * linear
690      * glw91
691      * dm95
692      * ldd97
693    - GMREDI_OPTIONS:
694      * GM_VISBECK_VARIABLE_K
695      * GM_NON_UNITY_DIAGONAL
696      * GM_EXTRA_DIAGONAL
697      * GM_BOLUS_ADVEC
698    in conjunction with data.gmredi parameters to be checked in
699    in a few minutes under verification/carbon/code/
700    
701    checkpoint47f_post
702    Merging from release1_p10:
703    o modifications for using pkg/exf with pkg/seaice
704      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
705        and SEAICE_EXTERNAL_FLUXES
706      - pkg/exf CPP options EXF_READ_EVAP and
707        EXF_NO_BULK_COMPUTATIONS
708      - usage examples are Experiments 8 and 9 in
709        verification/lab_sea/README
710      - verification/lab_sea default experiment now uses
711        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
712    
713    checkpoint47e_post
714    o created a tag prior to creating a branch
715    
716    checkpoint47d_post
717    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
718      at the bottom boundary had an erroneous half slip boundary condition
719    o added bottom drag and no slip boundary condition capabilities to
720      oceanic pressure coordinates code
721    o added new verification experiment global_ocean_pressure, this experiment is
722      also described in the tutorial section of the manual
723    checkpoint47d_pre
724    
725    checkpoint47c_post
726    o Added a verification experiment for a global cubed-sphere ocean run
727      -  verification/global_ocean.cubed32x32x30
728      -  uses pkg/therm_seaice and pkg/bulk_forcing
729    
730    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
731    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
732      when using P-coordinate; only implemented for atmospheric config.
733    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
734      NOTES: requires option NONLIN_FRSURF to be "#define".
735    o update advect_xz/results/output.txt (left from checkpoint44g_post)
736    
737    checkpoint47b_post
738    Merging from release1_p9:
739    o pkg/seaice
740      - removed GOTO's and added taf directives
741      - double precision constants to reduce the g77 (Linux)
742        to F77 (SGI) differences reported in release1_p8
743    o tools/genmake
744      - added SGI options
745    o verification/testscript
746      - updated to that of checkpoint47a_post
747    o verification/global_ocean.90x40x15/input/eedata
748      - modified for SGI f77 compatibility
749    o verification/lab_sea
750      - added description of sea-ice model
751      - added missing matlab routines
752      - added test of thermodynamics parallelization
753    
754    checkpoint47a_post
755    o new pkg: aim_v23
756     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
757       for now, keep the same surface forcing as before.
758     - Part-Cell implemented into AIM; check that Heat & Water are conserved
759     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
760     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
761    o add diagnostic of surface correction term in monitor output
762    
763    o bulk_force and therm_seaice
764    - Two packages:  bulk_force (Bulk forcing)
765      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
766    - Earlier integration from Stephaine Dutkiewicz
767      and Patrick Heimbach.
768    - Two ifdef statements for compile time,
769       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
770    
771    checkpoint47
772    differentiable version of checkpoint46n_post
773    o bug fix in quasihydrostaticterms
774    o * "clean" adjoint code (in terms of extensive recomputations)
775        can now be obtained for all GMREDI options (i.e. for
776        - GM_VISBECK_VARIABLE_K
777        - GM_NON_UNITY_DIAGONAL
778        - GM_EXTRA_DIAGONAL
779        - GM_BOLUS_ADVEC )
780      * However, wrong gradient check problem remains unsolved.
781      * New CPP options have been introduced for different
782        tapering schemes
783    o external_fields_load now part of differentiation list
784    o pressure needs multiple storing;
785      would be nice to have store_pressure at beginning or
786      end of forward_step, e.g. by having phiHyd global (5-dim.)
787      (NB: pressure is needed for certain cases in find_rho,
788      which is also invoked through convective_adjustment).
789    o recomputations in find_rho for cases
790     'JMD95'/'UNESCO' or 'MDJWF' are OK.
791    o #define ATMOSPHERIC_LOADING should be differentiable
792    o ini_forcing shifted to begining of initialise_varia
793    o Incorporating QNVS line search routines into MITgcm
794      (this is separate code, and therefore not under pkg)
795      lsopt/, optim/
796    o Updated verification/carbon/
797      - #define GM_VISBECK_VARIABLE_K
798      - GM_taper_scheme    = 'ldd97'    
799    
800    checkpoint46n_post
801    Merging from release1_p8:
802    o verification/natl_box:
803      updating new external_fields_load routine
804    o New package: pkg/seaice
805      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
806      The sea-ice code is based on Hibler (1979-1980).
807      Two sea-ice dynamic solvers, ADI and LSR, are included.
808      In addition to computing prognostic sea-ice variables and diagnosing
809      the forcing/external data fields that drive the ocean model,
810      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
811      The implied surface heat flux is then stored in variable
812      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
813      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
814      non-local transport term.  Because this call precedes model
815      thermodynamics, temperature under sea-ice may not be "exactly" at
816      the freezing point by the time theta is dumped or time-averaged.
817      N.B.: fairly large differences in accuracy occur across
818            different platforms/compilers; comparison between
819            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
820            generated output gives:
821       T           S           U           V
822      C D M    c        m  s        m  s        m  s        m  s
823      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
824      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
825      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
826    
827      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
828    o GAD:
829      - generated new common blocks to account for call of
830        same gad routines with differing traceridentities
831        (needed to modify tracerIdentity indices in GAD.h)
832      - generated separate common blocks for case useCubedSphereExchange
833        (Department of Futurology)
834      - parameter lists to gmredi_?transport: added tracerIdentity
835      - added new key indices to tamc.h
836    o external_fields_load:
837      - added this routine to TAF list
838      - needed to make some common blocks global and additional storing
839        along the same lines as exf package (checkpoint_lev?_directives.h)
840    o exf:
841      updated external forcing package
842      - bug fixes carried over from ecco-branch
843        (missing OBCS_OPTIONS.h in two routines)
844      - enable easy to use "no forcing".
845      - added exf I/O for atmospheric loading
846      - added exf I/O for runoff data
847      - transfered scaling between exf <-> MITgcm to exf namelist
848    o Adding new verification experiment global_with_exf.
849      This verification experiment is almost identical to the
850      global_ocean.90x40x15 experiment, except that it uses
851      the exf (and cal) package instead of the
852      external_fields_load routine (cf README file).
853    
854    checkpoint46m_post
855    o modified testscript to return -- when there are no lines of "%MON" output
856    o added new flag "quasiHydrostatic" for QH mode
857      and new routine quasihydrostaticterms()
858    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
859      New routine: mom_u_coriolis_nh()
860    o fixed sign of non-hydrostatic metric terms in u and v equations.
861      Depend on correct sign of gravitySign.
862    o added work.pc* to .cvsignore in aim directories using ifc
863    o introduced flag for controllin non-hydrostatic metric terms
864    o removed gravitySign from PARM04
865    o switched to g77/ifc from pgf77 in aim experiments
866    
867    checkpoint46l_post
868    o made convective adjustment work with pressure coordinates:
869     - changed the direction of k-loop in convective_adjustment.F for the
870       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
871     - adjusted the reference pressure k-index in convective_adjustment.F
872     - adjusted the convection condition in convect.F (in analogy to
873       calc_ivdc.F)
874     - convective_adjustment no longer computes anything on the halos
875     - removed the warnings about negative salinity from find_rho.F and
876       find_alpha.F; instead the new routine look_for_neg_salinity, called
877       at the beginning of find_rho, find_alpha, and find_beta, does a
878       check of the entire slice, if CPP-option
879       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
880    checkpoint46l_pre
881    
882    checkpoint46k_post
883    o fixed the verification/global_ocean.90x40x15 experiment:
884     - new bathymetry (the world according to A., JMC, and M.)
885     - new initial fields and forcing fields (*.bin files)
886     - new POLY3.COEFFS (for the next release one should switch to a full
887       equation of state: JMD95P or MDJWF)
888     - fixed several errors and redundancies in the data file
889     - experiment uses looped cells
890     - added matlab directory with diagnostic scripts for plotting of output
891    
892    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
893     - read AIM physics parameters from a file (data.aimphys)
894     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
895    
896    checkpoint46j_post
897    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
898    o move wVel computation at the end of the time step, in S/R integr_continuity
899    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
900    o update timeave pkg for wVel diagnostic.
901    checkpoint46j_pre
902    
903    checkpoint46i_post
904    o Clean up AIM package (and keep the results unchanged):
905      include CPP_OPTION and use IMPLICT NONE in all routines ;
906      declare all the variables _RL ; use _d 0 for all numerical constants.
907      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
908    
909    checkpoint46h_post
910    o cleaned up the use of rhoNil and rhoConst.
911      - rhoNil should only appear in the LINEAR equation of state, everywhere
912        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
913        and the dynamical equations are all divided by rhoConst
914    o introduced new parameter rhoConstFresh, a reference density of fresh
915      water, to remove the fresh water flux's dependence on rhoNil. The default
916      value is 999.8 kg/m^3
917    o cleanup up external_forcing.F and external_forcing_surf.F
918      - can now be used by both OCEANIC and OCEANICP
919    checkpoint46h_pre
920    
921     Added code to convert surface volume flux (fresh water) into
922     a mass flux when using P coordinates in the ocean (OCEANICP).
923     Note: It assumes you have set rho0=rhoConst=density of fresh water.
924    
925    checkpoint46g_post
926    o Include a new diagnostic variable phiHydLow for the ocean model
927      - in z-coordinates, it is the bottom pressure anomaly
928      - in p-coordinates, it is the sea surface elevation
929      - in both cases, these variable have global drift, reflecting the mass
930        drift in z-coordinates and the volume drift in p-coordinates
931      - included time averaging for phiHydLow, be aware of the drift!
932    o depth-dependent computation of Bo_surf for pressure coordinates
933      in the ocean (buoyancyRelation='OCEANICP')
934      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
935        Theta, Salinity, and Pressure in the parameter list. This routine is
936        presently contained in find_rho.F. This routine does not give the
937        correct density for 'POLY3', which would be a z-dependent reference
938        density.
939    o cleaned up find_rho
940      - removed obsolete 'eqn' from the parameter list.
941    o added two new verification experiments: gop and goz
942      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
943    checkpoint46g_pre
944    
945    checkpoint46f_post
946    o Enable tangent linear (forward mode) gradient checks:
947      - extended active file handling to g_... files
948      - added TANGENT_SIMULATION to theSimulationMode
949      - extended grdchk package accordingly
950    o added tangent linear setup in verification/carbon/code_ftl
951    o added adjoint setup in verification/front_relax/code_ad
952    
953    checkpoint46e_post
954    o Added new equation of state -> MDJWF
955      - EOS of McDougall et al., 2002, JAOT, submitted
956      - caveat: the equation of state is only valid for a smaller (more
957        realistic?) range of values than JMD95P/Z and UNESCO
958      - added masks to the calculation of pressure in store_pressure
959      - added more check values for density in check_eos (ini_eos.F), some of
960        the old check values are out of the range of the MDJWF-eos, so don't
961        expect perfect matches for those
962    checkpoint46e_pre
963    
964    checkpoint46d_post
965    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
966      'OCEANICP', also initialised field pressure correctly in ini_eos in the
967      case of pressure coordinates. eosType='JMD95Z' in
968      combination with buoyancyRelation='OCEANICP' now causes an error.
969    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
970      in find_alpha/beta.
971    checkpoint46d_pre
972    
973    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
974      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
975    
976    checkpoint46c_post
977    o Changes necessary for ocean in p-coordinates
978     -  Added new buoyancy relation = 'OCEANICP'
979     -  Added new parameters = gravitySign (this used to be contained inside
980        the factor dRdZ which I added when we first switched to R coordinates).
981     X GM/Redi is not compatible (yet)
982     X bottom drag and no-slip need to be debugged.
983    checkpoint46c_pre
984    
985    checkpoint46b_post
986    o Added new equation of state -> JMD95Z and JMD95P
987      - EOS of Jackett and McDougall, 1995, JAOT
988      - moved all EOS parameters into EOS.h
989      - new routines ini_eos.F, store_pressure.F
990    o Added UNESCO EOS, but not recommended because it requires
991      in-situ temperature (see JMD95)
992    o Modified formatting for knudsen2.f in utils/knudsen2 and added
993      unesco.f to be used with POLY3
994    checkpoint46b_pre
995    
996    checkpoint46a_post
997    o Added (atmospheric) pressure loading
998      - new field in FFIELDS.h, etc...
999      - new cpp flag ATMOSPHERIC_LOADING
1000    o Changed hFacC to _hFacC in calc_phi_hyd.F
1001    o Added SHORTWAVE_HEATING to some files for consistency
1002    checkpoint46a_pre
1003    
1004    checkpoint46
1005    further merges from release1_p5
1006    o new ctrl package
1007      - adopted from ECCO environment to enable optimization
1008      - added Eliassen Palm fluxes to controls
1009    o added Eliassen Palm flux controls to gradient check package
1010    o cost package
1011      - Compatible with new ctrl package
1012      - added Eliassen Palm cost hooks
1013      - modif's of existing cost functions
1014    o Adjoint-related bug fixes in kpp:
1015      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
1016      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
1017    o autodiff package
1018      - flow directives:
1019        + new for S/R do_the_model_io
1020        + enhanced for S/R checkpoint
1021        + new gmredi.flow
1022      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
1023        disable adcommon.h/g_common.h by default.
1024      - fixed problem for adjoint of global_max
1025    o modified verification/carbon/
1026    o New setup for adjoint of global_ocean
1027    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
1028    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
1029    o incorporated hooks for sponge layer code (external_forcing.F)
1030    
1031    checkpoint45d_post
1032    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
1033    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
1034      (affects plume_on_slope "cg2d" output)
1035    o add new parameter deltaTfreesurf for free-surface time stepping
1036    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
1037    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
1038    o change phiMin in exp1 (to agree with documentation)
1039    o add new flags:
1040     - T,S forcing inside/outside Adams-Bashforth
1041     - turn off temp,salt advection and/or forcing
1042     - for each tracer, define internal flag for multiDimAdvection & A-B
1043    o monitor: change definition of KE to check conservation of Energy
1044    
1045    checkpoint45c_post
1046    o Removed f90 comments ("!")
1047    o Modified initialisations to enable exf package for MITgcm
1048      (without invoking ECCO_PACKAGE).
1049    o modifications to gradient check package (Martin Losch)
1050      - enable centered differences
1051      - modified format of standard output
1052    
1053    checkpoint45b_post
1054    o cleaned exchange calls in cg2d
1055    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
1056    o included CPP option SINGLE_LAYER_MODE in thermodynamics
1057      to configure barotropic setup (Martin Losch)
1058    o moved some initialisations within bi,bj loop in dynamics
1059      (TAF flow dependency)
1060    o in initialise_varia, moved call packages_init_variables
1061      before convective_adjustment_init
1062      (corresponding adjustment of TAF tape initialisation).
1063    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
1064    
1065    checkpoint45a_post
1066    o compute Rho over the whole domain (extend iMin,jMin indices)
1067    o specific exchange for X-slice domain (case Ny=1)
1068    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
1069    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
1070    
1071    checkpoint44h_post = checkpoint45
1072    o Fix to restore differentiability:
1073      place at which packages_init_variables is called in
1074      initialise_varia is crucial for reverse control flow.
1075    o modifications in GMRedi to enable stable adjoint
1076      (corresponding modif's in thermodynamics, dynamics)
1077    o added missing hook for sponge layer code in external_forcing
1078    o modified test cost functions
1079    o storing in gad_advection (plus removal of write(0,*)!
1080    o missing headers TR1.h added in convective_adjustment routines
1081    o errorMessageUnit set non-equal zero in eeboot
1082      (conflict on some platforms, e.g. IBM SP3)
1083    o modified carbon verif.
1084    
1085    checkpoint44h_pre
1086    o vertical grid option: allow to put the Interface at the middle between
1087      2 cell-centers ; replace delZ in pkg/kpp by drF.
1088    o GM Advective form: Tracers are advected using the residual transport (=
1089      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
1090    
1091    checkpoint44g_post
1092    o fix surface correction term in multiDimAdvection (affects plume_on_slope
1093      results) ; ifdef missing in thermodynamics.F
1094    
1095    checkpoint44f_pre,checkpoint44f_post
1096    o added PTRACERS package
1097      This allows an arbitrary number of passive tracers to be integrated
1098      forward simultaneously with the dynamicaly model.
1099      + Implemented so far:
1100        - basic forward algorithm (time-stepping, advection, diffusion, convection)
1101        - I/O and checkpointing
1102        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
1103      + Not implemented so far:
1104        - KPP
1105        - OBCS
1106      + No specific example supplied (yet) but global_ocean.90x40x15 has the
1107        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
1108        line in data.pkg.
1109      + This package is disabled by default since it increases storage.
1110    
1111    
1112    o testscript: added -cleanup option
1113    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
1114                 b) enable to filter 2D fields.
1115    
1116    checkpoint44e_pre,post
1117    o re-wrote convective adjustment to use pre-calculated weights
1118      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
1119      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
1120      Original calls to convect() still in place.
1121    
1122    chkpt44d_pre,post
1123    o added missing EXCLUDE_MONITOR flags
1124    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
1125      (incompatible typ in MIN/MAX expressions caused problems
1126      on IBM SP3)
1127    o in genmake added variable MAKEDEPEND
1128      plus resetting for case SunOS
1129    o added timer_stats.c routine for IBM SP3
1130    o removed variables in dynamics
1131    !!! I forgot to create tag chkpt44d_pre !!!
1132    !!! But chkpt44d_pre = chkpt44c_post    !!!
1133    
1134    o real fresh water flux implemented with non-linear free-surface.
1135    
1136    chkpt44c_pre,post
1137    o few fix (mask in shap_s2, EmPmR in external_field_load,
1138      USE_NATURAL_BCS in solve_for_P);
1139    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
1140    
1141    checkpoint44b_pre/_post
1142    o merge of relevant stuff from the ecco-branch:
1143      - genmake: removed $S64 overwrite for case SunOS
1144      - pkg/exf: update and corrections for field swapping and obcs
1145      - pkg/ecco: parameter lists for the_model_main, the_main_loop
1146                  harmonized between ECCO and MITgcm
1147      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
1148                      updated checkpointing_lev... lists for obcs
1149      - model/src: minor changes in forward_step, plot_field
1150                   added directive for divided adjoint in the_main_loop
1151      - pkg/mdsio: added mdsio_gl_slice
1152    
1153    o check parameters & config (chkpt44a_pre,post)
1154    o OBC and NonLin_FrSurf.
1155    
1156    checkpoint44
1157    o fix bug in mom_vi_del2uv
1158    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
1159    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
1160    o update AIM experiments (NCEP input files)
1161    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
1162    o added some stuff for AD
1163    
1164    checkpoint43
1165    o added two new advection tests
1166    o added global 4x4 degree ocean test
1167    o added test of H&S94 with free surface on cube
1168    o some final mods for gradient check, adjoint,...
1169    
1170    checkpoint42
1171      Fixed AD-related problems:
1172    o Store directives up-to-date with re-arranged Adams-Bashforth
1173      (mainly thermodynamics.F)
1174    o New store directives for multi-dim. advection schemes
1175      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
1176      * new common block and key passkey
1177      (mainly gad_advection.F)
1178    o Modified store directives for split of dynamics/thermodynamics
1179      for the case ALLOW_KPP
1180    o Cleaned argument list for timestep_tracer.F
1181    
1182    checkpoint41
1183    o re-formatted/added comments in prologues of key subroutines
1184      to work with protex
1185    
1186    checkpoint40
1187    o moved calc_gs, calc_gt and calc_tr1 back to model/src
1188    o added FLT (floats) package from Arne along with demo. experiment
1189    o re-arranged Adams-Bashforth scheme for tracers to allow easier
1190      implementation of forward-in-time forcing terms
1191    o more mods for non-linear free-surface including new variable
1192    o modified multi-dim method to work on cube
1193    o bug fix in KPP (from DM)
1194    
1195    checkpoint40pre9
1196    o added DST advection schemes
1197    o fix MPI bug on SGI's
1198    o modifications for non-linear free-surface
1199    o fixed conditionals for fixed flow/passive tracer only mode
1200    o added tension/strain form of stress tensor
1201    o changes to commenting of arguments for TAF/TAMC
1202    o added/updated many matlab scripts
1203    o added multi-dimensional advection method for tracers
1204      
1205    checkpoint40pre8
1206    o new package rw/
1207      Added method for dumping intermediate local arrays:
1208      mdsio_writetile - same as mdsio_writefield except works from inside
1209                        bi,bj loop
1210      mdsio_writelocal - same as mdsio_writetile except works for local
1211                         arrays
1212      write_local_r? - higher-level wrapper for mdsio_writelocal
1213      Controlled by diagFreq. Defaults to zero (ie. no dumps)
1214      Example given at end of mom_vecinv.F that dumps some local arrays.
1215    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
1216      control flux-form versus vector invariant code.
1217      Switch is runtime flag vectorInvariantMomentum (defaults to false)
1218      or genmake -DISABLE ...
1219    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
1220      (additional storing is now needed for case vecinv;
1221      currently nothing implemented to switch this storing off
1222      in case fluxform is used since no CPP flag available).
1223    
1224    checkpoint40pre7
1225    o bug fix in dynamics.F
1226      calc_viscosity called before k=1,Nr loop.
1227    o added some #ifdef's ALLOW_PASSIVE_TRACER
1228    o cleaned initialisations in ctrl_map_ini
1229      related to TAF
1230    
1231    checkpoint40pre6
1232    o split dynamics into thermodynamics & dynamics
1233    o corresponding split of calc_diffusivity into
1234      calc_diffusivity, calc_viscosity
1235      (kpp_calc_diff, kpp_calc_visc).
1236    o Added diffkr, kapgm to control variables
1237    o bug fix in gmredi_slope_limit for ldd97
1238    
1239    checkpoint40pre5
1240    o proper initialization of Adams-Bashforth time stepping
1241      + uses forward step for very first step of model (iter=0)
1242    o re-generated *all* output since almost all output is modified by this
1243      change (sorry but we've been putting this one off for about 2 years)
1244      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
1245        *not* regenerated since they are already out of date and I don't
1246        want to create the impression that they are suddenly working.
1247    o removed KAP stuff for DEC's
1248    o modified/added many .cvsignore files in */code and */input
1249    o added new expt "solid-body.cs-32x32x1"
1250      + this uses an alternative form of ini_curvilinear_grid.F which
1251        is not necessarily any better than the current one...
1252    
1253    checkpoint40pre4
1254    o added re-initialisations of utrans,vtrans,rtrans in
1255      calc_common_factors which are crucial for TAF.
1256    o extended iMin,jMin range for calc_common_factors,
1257      calc_diffusivity
1258    o added option ALLOW_PASSIVE_TRACER
1259    o a few minor updates and fixes
1260    
1261    checkpoint40pre3
1262    o created calc_gtr1.F for gad package
1263    o split the_main_loop and re-introduced forward_step
1264    o some recomputations of nIter0 for TAMC
1265    
1266    checkpoint40pre2
1267    o Updated to latest branch of AJA, JMC
1268    o Added gradient check package
1269    o Added routines for passive tracer handling
1270    o Added carbon sequestration sensitivity experiment
1271    
1272    checkpoint39
1273     o Modifications and fixes to support TAMC
1274       (mainly missing or wrong directives)
1275     o Corrected common blocks when fooling TAMC to produce adjoint I/O
1276       in addummy_in_stepping
1277     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
1278     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
1279     o Included following packages:
1280       cal: calendar
1281       exf: external forcing
1282       ecco: essential routines to control use of cal, exf
1283             (NB: this is not the full ECCO environment)
1284     o disabled some packages by default in genmake
1285    
1286    checkpoint38
1287     o see notes_c37_adj.txt
1288     o corrected wrong layer index in external_forcing_t
1289     o replaced the_main_loop/forward_step by the_main_loop
1290     o removed forceoutput from write_state
1291       (replaced criteria for initial/final state)
1292     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
1293    
1294    checkpoint37
1295     o mdsio.F routine split and packaged in pkg/mdsio
1296       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
1297        used unless genmake -disable=mdsio)
1298     o allow a more precise surface-geopotential gradient for the atmosphere
1299       taking into account the change in space of Alpha (=1/rho) at the surface.
1300     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
1301       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
1302     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
1303       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
1304       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
1305     o Time-Average diagnostics defined as a pseudo package "timeave".
1306     o pickup files : old pickup (before c35) did not work with new code (c35
1307       and after) unless activating 2 commented lines in initialise-varia.
1308     o Non-Hydrostatic pickup file Pb fixed.
1309     o bug with Rigid-lid version (since c35) fixed.  
1310    
1311    checkpoint36
1312     o implement Crank-Nickelson barotropic time-stepping
1313     o recover Time-Average diagnostics
1314     o fix Pb in checkpoint (PR#19)
1315     o AIM become a standard package ; clean unused CPP_kees
1316    
1317    checkpoint35
1318     o subtantial rewrite of dynamics.f
1319     o allows staggered time-stepping
1320     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
1321     o added bottom drag (linear + quadratic)
1322    
1323    checkpoint34
1324     o Modified exchange routines for correct reverse simulation.
1325     o Added verification output to comply with bug fix in impldiff.F
1326       as of c33 (exp2, natl_box).
1327     o Corrected store directives in dynamics.F
1328     o Corrected array boundaries in impldiff.F
1329     o Corrected array dimensions in gmredi.
1330       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
1331     o Added routine GLOBAL_SUM_INT to global_sum.F
1332     o Added mdsio_gl.F for ECCO purposes.
1333    
1334    checkpoint33
1335     o Fixed bug in lower BC in impldiff.F
1336     o Fixed confusion about units of forcing arrays in FFIELDS.h
1337       namely Fu,Fv,Qnet,Qsw,EmPmR:
1338       - Removed verification/natl_box/code/external_fields_scale.F
1339         (did not differ from that in model/src)
1340       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
1341         (see FFIELDS.h for description)
1342       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
1343         kpp_calc.F and kpp_transport_t.F
1344       - Removed model/src/external_fields_scale.F and calls to it
1345       - verification/natl_box uses flux data with "atmospheric" sign so
1346         a special version of external_fields_load.F is used to
1347         change the data as it's read in. This way, the arrays
1348         have the right units and signs at all times tha a user could
1349         possibly use them.
1350     o Corrected genmake to delete a temporary file during configuration
1351    
1352    checkpoint32
1353     o Scaling of forcing fields moved from external_forcing.F to
1354       external_fields_scale.F, called directly after loading fields.
1355     o Surface relaxation terms added to surface tendency fields in
1356       extra subroutine.
1357     o impldiff.F changed to avoid storing by TAMC of huge intermediate
1358       fields.
1359     o Changes in GMRedi to comply with packaging structure.
1360     o Modifications and bug fixes in KPP package.
1361     o Verification experiment for KPP added (verification/nat_box/)
1362    
1363    checkpoint31
1364     o Packages interface brought in line with defined standard
1365       -> new routines packages_...F
1366       -> changes in initialise_fixed.F, initialise_varia.F
1367       -> enables initialisation interface for ECCO package
1368     o Rescaling of external forcing fields immediately after read
1369       (removed from external_forcing.F)
1370       -> new: surface_fields_scale.F
1371       -> affects ini_foorcing.F, external_fields_load.F
1372     o Computation of surface tendencies before tendency updates.
1373       -> new: external_forcing_surf.F
1374     o Change of variable names useGMRedi, useKPP, useECCO
1375     o Further changes in dynamics.F, impldiff.F for TAMC
1376     o Tested for experiments 0, 2, 4.
1377       - not yet tested for GMRedi.
1378       - not yet tested for KPP.
1379    
1380    checkpoint30
1381     o Updates for OBCs
1382     o New experiment for test OBCs (internal_wave)
1383     o New output.txt in verification/exp4/results/
1384     o Updates for KPP: calculation of viscosity corrected, new variables
1385       kpp_dumpFreq and kpp_taveFreq
1386     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
1387       and entry for T90 in genmake
1388    
1389    checkpoint29
1390     o packaged KPP and GM/Redi
1391    
1392    checkpoint28
1393     o Corrected initialization of hFacMin for difference vertical coordinates
1394     o Modified calculation of partial cell thickness to more robust algorithm
1395     o config_summary.F: replaced write_1D_... by write_0D_...
1396       read_write.F: added subroutines write_0D_...
1397     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
1398       included some initialisations required for TAMC.
1399     o routine calc_isoslopes: modified sqrt computation to make it
1400       differentiable for zero argument.
1401     o routines dynamics, impldiff:
1402       included store directives and tape key computations required for TAMC.
1403     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
1404    
1405    checkpoint27
1406     o fixed calc_isoslopes() to so that cancellation of terms in tensor
1407       formulation works properly with variable resolution.
1408     o restructured the calling tree between the_model_main() and dynamics()
1409     o split initialise() into initialise_fixed() and initialise_varia()
1410     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
1411       in new routine ini_psurf()
1412    
1413    checkpoint26
1414     o moved some #ifdef in optional routines to encompass everything
1415       except the argument declarations. This was using up some memory.
1416     o fixed macros like _ADT to work with both versions of Linux cpp
1417     o cleaned up some unused and uninitialized variables
1418       (helps when debugging with strict compile options)
1419     o split up CPP_EEOPTIONS.h into options and macros
1420       (macros are now in eesupp/inc/CPP_EEMACROS.h)
1421     o patch for 2 processor JAM mode
1422    
1423    checkpoint25
1424     o updates for OBCs and NH
1425     o dramatically reduced memory usage
1426     o added "JAM" routines for use on Artic network
1427     o parameterization of convection by implicit vertical diffusion
1428     o added a diagnostic of convective index
1429     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
1430       (this is was partly for OBCs and NH but also in anticipation of
1431        an explicit free-surface option)
1432     o initial state input files for U and V
1433    
1434    checkpoint24
1435     o Removed some spurious "REAL"s
1436     o Updated KPP to latest version from JPL
1437     o Added a COS(latitude) in horizontal viscosity
1438    
1439    checkpoint23
1440     o Added del^4 diffusion for salt and temperature
1441     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
1442    
1443    checkpoint22
1444     o Made many small changes: implicit none, format(i5), etc...
1445     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
1446    
1447    checkpoint21
1448     o Introduced new I/O package that supports direct-access records (mdsio.F)
1449     o Split-up mid-level I/O routines
1450     o Updated input data for experiments 0,1,2,4 and 5
1451     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
1452    
1453    checkpoint20
1454     o Tidied up open-boundaries some more
1455     o Added non-hydrostatic code
1456     o Fixed some input data
1457     o Modified MPI start-up to work in "coupled" context.
1458    
1459    checkpoint19
1460     o Tidied up directory structure for verification experiments.
1461     o Added new code for open boundaries.
1462     o Corrected advective terms near boundaries.
1463     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
1464     o Implemented free-slip/no-slip BCs and del^4 dissipation.
1465     o Split default parameters out of ini_parms.F into set_defaults.F.
1466    
1467    checkpoint18
1468     o Further changes for optional code generation with
1469       CPP - ugh!
1470    
1471    checkpoint17
1472     o Beginning to incorporating modularity
1473       for supporting atmos. and ocean configs.
1474     o Small changes for TAMC complinace
1475     o New ultra simple test case. Barotropic box
1476       configuration "exp0".
1477    
1478    checkpoint16
1479     o Minor changes to exchange routines to support
1480       accumulation in reverse mode. Adjoint of an
1481       assignment is an addition.
1482     o Changes to support compilation by TAMC (LR(1)
1483       syntax) and by g77 under Linux ( 72 character
1484       limit ).
1485    
1486    checkpoint15
1487     Rewrote exchange routines to allow
1488     o General tile <-> tile connectivity.
1489     o TAMC reverse mode flag ( is this really needed? )
1490     o Variable width overlap and exchange region widths.
1491     o Hooks for sharing data via DMA, Arctic, Memory Channel,
1492       shmput/shmget, VIA, SYSV shmem and every other cool
1493       communication method.
1494    
1495    checkpoint14
1496     Consistent isomorphism chages made. These allow dynamical core
1497     to support both pressure and meters as a vertical coordinate.
1498    
1499    checkpoint13
1500     Release which corrects global_max problem and a couple
1501     of KGM time-averaging diagnostic errors. Also contains
1502     a double-gyre experiment setup as well as the baseline
1503     4 degree global template. The double gyre template is
1504     organised to allow it to be applied automatically to
1505     the baseline configuration.
1506    
1507    branch-point-rdot
1508     A few tidy-ups have been made bt the real point of this
1509     check-point (excuse the pun) is to allow a branch to be
1510     made for the purposes of adding the rDot alterations.
1511     I don't want to commit the rDot to the main-trunk until
1512     we've actually tested it...
1513    
1514    checkpoint12
1515     Tidy up and added generic genmake script (formerly
1516     configure script).
1517     Released to testers.
1518    
1519    checkpoint11
1520     Re-arranged initialise() and introduced ini_vertical_grid()
1521     and ini_masks_etc().
1522    
1523    checkpoint10
1524     Introduced the configure script.
1525     Separated out the diags package.
1526     Added template for writing time-averages of tile/intermediate quantities.
1527     Updated SIZE.h in exp2 and made the data big-endian.
1528    
1529    checkpoint9
1530     MPI fix. Filename changes (meta/data). salbin*y stuff.
1531     General tidy-up.
1532     SST.bin SSS.bin added to verification/exp2
1533    
1534    checkpoint8
1535     Inludes time-dependant forcing and time-averaging.
1536     Works at 4x4 and 2.8125x2.8125 global
1537    
1538    checkpoint7-4degree-ref
1539     Branch from checkpoint7. Released for application to
1540     global modeling and general modeling - process studies, regional
1541     model etc..
1542     Configured for verification/exp2 - 4 degree global, two process.
1543    
1544  checkpoint7  checkpoint7
1545   Created by cnh   Created by cnh
1546   Simple 4 degree global simulation   Simple 4 degree global simulation

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