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revision 1.10 by cnh, Wed Jul 8 15:40:09 1998 UTC revision 1.78 by heimbach, Sat Jul 13 05:00:16 2002 UTC
# Line 3  $Header$ Line 3  $Header$
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    
6    checkpoint46
7    further merges from release1_p5
8    o new ctrl package
9      - adopted from ECCO environment to enable optimization
10      - added Eliassen Palm fluxes to controls
11    o added Eliassen Palm flux controls to gradient check package
12    o cost package
13      - Compatible with new ctrl package
14      - added Eliassen Palm cost hooks
15      - modif's of existing cost functions
16    o Adjoint-related bug fixes in kpp:
17      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
18      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
19    o autodiff package
20      - flow directives:
21        + new for S/R do_the_model_io
22        + enhanced for S/R checkpoint
23        + new gmredi.flow
24      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
25        disable adcommon.h/g_common.h by default.
26      - fixed problem for adjoint of global_max
27    o modified verification/carbon/
28    o New setup for adjoint of global_ocean
29    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
30    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
31    o incorporated hooks for sponge layer code (external_forcing.F)
32    
33    checkpoint45d_post
34    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
35    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
36      (affects plume_on_slope "cg2d" output)
37    o add new parameter deltaTfreesurf for free-surface time stepping
38    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
39    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
40    o change phiMin in exp1 (to agree with documentation)
41    o add new flags:
42     - T,S forcing inside/outside Adams-Bashforth
43     - turn off temp,salt advection and/or forcing
44     - for each tracer, define internal flag for multiDimAdvection & A-B
45    o monitor: change definition of KE to check conservation of Energy
46    
47    checkpoint45c_post
48    o Removed f90 comments ("!")
49    o Modified initialisations to enable exf package for MITgcm
50      (without invoking ECCO_PACKAGE).
51    o modifications to gradient check package (Martin Losch)
52      - enable centered differences
53      - modified format of standard output
54    
55    checkpoint45b_post
56    o cleaned exchange calls in cg2d
57    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
58    o included CPP option SINGLE_LAYER_MODE in thermodynamics
59      to configure barotropic setup (Martin Losch)
60    o moved some initialisations within bi,bj loop in dynamics
61      (TAF flow dependency)
62    o in initialise_varia, moved call packages_init_variables
63      before convective_adjustment_init
64      (corresponding adjustment of TAF tape initialisation).
65    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
66    
67    checkpoint45a_post
68    o compute Rho over the whole domain (extend iMin,jMin indices)
69    o specific exchange for X-slice domain (case Ny=1)
70    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
71    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
72    
73    checkpoint44h_post = checkpoint45
74    o Fix to restore differentiability:
75      place at which packages_init_variables is called in
76      initialise_varia is crucial for reverse control flow.
77    o modifications in GMRedi to enable stable adjoint
78      (corresponding modif's in thermodynamics, dynamics)
79    o added missing hook for sponge layer code in external_forcing
80    o modified test cost functions
81    o storing in gad_advection (plus removal of write(0,*)!
82    o missing headers TR1.h added in convective_adjustment routines
83    o errorMessageUnit set non-equal zero in eeboot
84      (conflict on some platforms, e.g. IBM SP3)
85    o modified carbon verif.
86    
87    checkpoint44h_pre
88    o vertical grid option: allow to put the Interface at the middle between
89      2 cell-centers ; replace delZ in pkg/kpp by drF.
90    o GM Advective form: Tracers are advected using the residual transport (=
91      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
92    
93    checkpoint44g_post
94    o fix surface correction term in multiDimAdvection (affects plume_on_slope
95      results) ; ifdef missing in thermodynamics.F
96    
97    checkpoint44f_pre,checkpoint44f_post
98    o added PTRACERS package
99      This allows an arbitrary number of passive tracers to be integrated
100      forward simultaneously with the dynamicaly model.
101      + Implemented so far:
102        - basic forward algorithm (time-stepping, advection, diffusion, convection)
103        - I/O and checkpointing
104        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
105      + Not implemented so far:
106        - KPP
107        - OBCS
108      + No specific example supplied (yet) but global_ocean.90x40x15 has the
109        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
110        line in data.pkg.
111      + This package is disabled by default since it increases storage.
112    
113    
114    o testscript: added -cleanup option
115    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
116                 b) enable to filter 2D fields.
117    
118    checkpoint44e_pre,post
119    o re-wrote convective adjustment to use pre-calculated weights
120      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
121      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
122      Original calls to convect() still in place.
123    
124    chkpt44d_pre,post
125    o added missing EXCLUDE_MONITOR flags
126    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
127      (incompatible typ in MIN/MAX expressions caused problems
128      on IBM SP3)
129    o in genmake added variable MAKEDEPEND
130      plus resetting for case SunOS
131    o added timer_stats.c routine for IBM SP3
132    o removed variables in dynamics
133    !!! I forgot to create tag chkpt44d_pre !!!
134    !!! But chkpt44d_pre = chkpt44c_post    !!!
135    
136    o real fresh water flux implemented with non-linear free-surface.
137    
138    chkpt44c_pre,post
139    o few fix (mask in shap_s2, EmPmR in external_field_load,
140      USE_NATURAL_BCS in solve_for_P);
141    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
142    
143    checkpoint44b_pre/_post
144    o merge of relevant stuff from the ecco-branch:
145      - genmake: removed $S64 overwrite for case SunOS
146      - pkg/exf: update and corrections for field swapping and obcs
147      - pkg/ecco: parameter lists for the_model_main, the_main_loop
148                  harmonized between ECCO and MITgcm
149      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
150                      updated checkpointing_lev... lists for obcs
151      - model/src: minor changes in forward_step, plot_field
152                   added directive for divided adjoint in the_main_loop
153      - pkg/mdsio: added mdsio_gl_slice
154    
155    o check parameters & config (chkpt44a_pre,post)
156    o OBC and NonLin_FrSurf.
157    
158    checkpoint44
159    o fix bug in mom_vi_del2uv
160    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
161    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
162    o update AIM experiments (NCEP input files)
163    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
164    o added some stuff for AD
165    
166    checkpoint43
167    o added two new advection tests
168    o added global 4x4 degree ocean test
169    o added test of H&S94 with free surface on cube
170    o some final mods for gradient check, adjoint,...
171    
172    checkpoint42
173      Fixed AD-related problems:
174    o Store directives up-to-date with re-arranged Adams-Bashforth
175      (mainly thermodynamics.F)
176    o New store directives for multi-dim. advection schemes
177      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
178      * new common block and key passkey
179      (mainly gad_advection.F)
180    o Modified store directives for split of dynamics/thermodynamics
181      for the case ALLOW_KPP
182    o Cleaned argument list for timestep_tracer.F
183    
184    checkpoint41
185    o re-formatted/added comments in prologues of key subroutines
186      to work with protex
187    
188    checkpoint40
189    o moved calc_gs, calc_gt and calc_tr1 back to model/src
190    o added FLT (floats) package from Arne along with demo. experiment
191    o re-arranged Adams-Bashforth scheme for tracers to allow easier
192      implementation of forward-in-time forcing terms
193    o more mods for non-linear free-surface including new variable
194    o modified multi-dim method to work on cube
195    o bug fix in KPP (from DM)
196    
197    checkpoint40pre9
198    o added DST advection schemes
199    o fix MPI bug on SGI's
200    o modifications for non-linear free-surface
201    o fixed conditionals for fixed flow/passive tracer only mode
202    o added tension/strain form of stress tensor
203    o changes to commenting of arguments for TAF/TAMC
204    o added/updated many matlab scripts
205    o added multi-dimensional advection method for tracers
206      
207    checkpoint40pre8
208    o new package rw/
209      Added method for dumping intermediate local arrays:
210      mdsio_writetile - same as mdsio_writefield except works from inside
211                        bi,bj loop
212      mdsio_writelocal - same as mdsio_writetile except works for local
213                         arrays
214      write_local_r? - higher-level wrapper for mdsio_writelocal
215      Controlled by diagFreq. Defaults to zero (ie. no dumps)
216      Example given at end of mom_vecinv.F that dumps some local arrays.
217    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
218      control flux-form versus vector invariant code.
219      Switch is runtime flag vectorInvariantMomentum (defaults to false)
220      or genmake -DISABLE ...
221    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
222      (additional storing is now needed for case vecinv;
223      currently nothing implemented to switch this storing off
224      in case fluxform is used since no CPP flag available).
225    
226    checkpoint40pre7
227    o bug fix in dynamics.F
228      calc_viscosity called before k=1,Nr loop.
229    o added some #ifdef's ALLOW_PASSIVE_TRACER
230    o cleaned initialisations in ctrl_map_ini
231      related to TAF
232    
233    checkpoint40pre6
234    o split dynamics into thermodynamics & dynamics
235    o corresponding split of calc_diffusivity into
236      calc_diffusivity, calc_viscosity
237      (kpp_calc_diff, kpp_calc_visc).
238    o Added diffkr, kapgm to control variables
239    o bug fix in gmredi_slope_limit for ldd97
240    
241    checkpoint40pre5
242    o proper initialization of Adams-Bashforth time stepping
243      + uses forward step for very first step of model (iter=0)
244    o re-generated *all* output since almost all output is modified by this
245      change (sorry but we've been putting this one off for about 2 years)
246      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
247        *not* regenerated since they are already out of date and I don't
248        want to create the impression that they are suddenly working.
249    o removed KAP stuff for DEC's
250    o modified/added many .cvsignore files in */code and */input
251    o added new expt "solid-body.cs-32x32x1"
252      + this uses an alternative form of ini_curvilinear_grid.F which
253        is not necessarily any better than the current one...
254    
255    checkpoint40pre4
256    o added re-initialisations of utrans,vtrans,rtrans in
257      calc_common_factors which are crucial for TAF.
258    o extended iMin,jMin range for calc_common_factors,
259      calc_diffusivity
260    o added option ALLOW_PASSIVE_TRACER
261    o a few minor updates and fixes
262    
263    checkpoint40pre3
264    o created calc_gtr1.F for gad package
265    o split the_main_loop and re-introduced forward_step
266    o some recomputations of nIter0 for TAMC
267    
268    checkpoint40pre2
269    o Updated to latest branch of AJA, JMC
270    o Added gradient check package
271    o Added routines for passive tracer handling
272    o Added carbon sequestration sensitivity experiment
273    
274    checkpoint39
275     o Modifications and fixes to support TAMC
276       (mainly missing or wrong directives)
277     o Corrected common blocks when fooling TAMC to produce adjoint I/O
278       in addummy_in_stepping
279     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
280     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
281     o Included following packages:
282       cal: calendar
283       exf: external forcing
284       ecco: essential routines to control use of cal, exf
285             (NB: this is not the full ECCO environment)
286     o disabled some packages by default in genmake
287    
288    checkpoint38
289     o see notes_c37_adj.txt
290     o corrected wrong layer index in external_forcing_t
291     o replaced the_main_loop/forward_step by the_main_loop
292     o removed forceoutput from write_state
293       (replaced criteria for initial/final state)
294     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
295    
296    checkpoint37
297     o mdsio.F routine split and packaged in pkg/mdsio
298       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
299        used unless genmake -disable=mdsio)
300     o allow a more precise surface-geopotential gradient for the atmosphere
301       taking into account the change in space of Alpha (=1/rho) at the surface.
302     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
303       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
304     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
305       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
306       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
307     o Time-Average diagnostics defined as a pseudo package "timeave".
308     o pickup files : old pickup (before c35) did not work with new code (c35
309       and after) unless activating 2 commented lines in initialise-varia.
310     o Non-Hydrostatic pickup file Pb fixed.
311     o bug with Rigid-lid version (since c35) fixed.  
312    
313    checkpoint36
314     o implement Crank-Nickelson barotropic time-stepping
315     o recover Time-Average diagnostics
316     o fix Pb in checkpoint (PR#19)
317     o AIM become a standard package ; clean unused CPP_kees
318    
319    checkpoint35
320     o subtantial rewrite of dynamics.f
321     o allows staggered time-stepping
322     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
323     o added bottom drag (linear + quadratic)
324    
325    checkpoint34
326     o Modified exchange routines for correct reverse simulation.
327     o Added verification output to comply with bug fix in impldiff.F
328       as of c33 (exp2, natl_box).
329     o Corrected store directives in dynamics.F
330     o Corrected array boundaries in impldiff.F
331     o Corrected array dimensions in gmredi.
332       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
333     o Added routine GLOBAL_SUM_INT to global_sum.F
334     o Added mdsio_gl.F for ECCO purposes.
335    
336    checkpoint33
337     o Fixed bug in lower BC in impldiff.F
338     o Fixed confusion about units of forcing arrays in FFIELDS.h
339       namely Fu,Fv,Qnet,Qsw,EmPmR:
340       - Removed verification/natl_box/code/external_fields_scale.F
341         (did not differ from that in model/src)
342       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
343         (see FFIELDS.h for description)
344       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
345         kpp_calc.F and kpp_transport_t.F
346       - Removed model/src/external_fields_scale.F and calls to it
347       - verification/natl_box uses flux data with "atmospheric" sign so
348         a special version of external_fields_load.F is used to
349         change the data as it's read in. This way, the arrays
350         have the right units and signs at all times tha a user could
351         possibly use them.
352     o Corrected genmake to delete a temporary file during configuration
353    
354    checkpoint32
355     o Scaling of forcing fields moved from external_forcing.F to
356       external_fields_scale.F, called directly after loading fields.
357     o Surface relaxation terms added to surface tendency fields in
358       extra subroutine.
359     o impldiff.F changed to avoid storing by TAMC of huge intermediate
360       fields.
361     o Changes in GMRedi to comply with packaging structure.
362     o Modifications and bug fixes in KPP package.
363     o Verification experiment for KPP added (verification/nat_box/)
364    
365    checkpoint31
366     o Packages interface brought in line with defined standard
367       -> new routines packages_...F
368       -> changes in initialise_fixed.F, initialise_varia.F
369       -> enables initialisation interface for ECCO package
370     o Rescaling of external forcing fields immediately after read
371       (removed from external_forcing.F)
372       -> new: surface_fields_scale.F
373       -> affects ini_foorcing.F, external_fields_load.F
374     o Computation of surface tendencies before tendency updates.
375       -> new: external_forcing_surf.F
376     o Change of variable names useGMRedi, useKPP, useECCO
377     o Further changes in dynamics.F, impldiff.F for TAMC
378     o Tested for experiments 0, 2, 4.
379       - not yet tested for GMRedi.
380       - not yet tested for KPP.
381    
382    checkpoint30
383     o Updates for OBCs
384     o New experiment for test OBCs (internal_wave)
385     o New output.txt in verification/exp4/results/
386     o Updates for KPP: calculation of viscosity corrected, new variables
387       kpp_dumpFreq and kpp_taveFreq
388     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
389       and entry for T90 in genmake
390    
391    checkpoint29
392     o packaged KPP and GM/Redi
393    
394    checkpoint28
395     o Corrected initialization of hFacMin for difference vertical coordinates
396     o Modified calculation of partial cell thickness to more robust algorithm
397     o config_summary.F: replaced write_1D_... by write_0D_...
398       read_write.F: added subroutines write_0D_...
399     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
400       included some initialisations required for TAMC.
401     o routine calc_isoslopes: modified sqrt computation to make it
402       differentiable for zero argument.
403     o routines dynamics, impldiff:
404       included store directives and tape key computations required for TAMC.
405     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
406    
407    checkpoint27
408     o fixed calc_isoslopes() to so that cancellation of terms in tensor
409       formulation works properly with variable resolution.
410     o restructured the calling tree between the_model_main() and dynamics()
411     o split initialise() into initialise_fixed() and initialise_varia()
412     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
413       in new routine ini_psurf()
414    
415    checkpoint26
416     o moved some #ifdef in optional routines to encompass everything
417       except the argument declarations. This was using up some memory.
418     o fixed macros like _ADT to work with both versions of Linux cpp
419     o cleaned up some unused and uninitialized variables
420       (helps when debugging with strict compile options)
421     o split up CPP_EEOPTIONS.h into options and macros
422       (macros are now in eesupp/inc/CPP_EEMACROS.h)
423     o patch for 2 processor JAM mode
424    
425    checkpoint25
426     o updates for OBCs and NH
427     o dramatically reduced memory usage
428     o added "JAM" routines for use on Artic network
429     o parameterization of convection by implicit vertical diffusion
430     o added a diagnostic of convective index
431     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
432       (this is was partly for OBCs and NH but also in anticipation of
433        an explicit free-surface option)
434     o initial state input files for U and V
435    
436    checkpoint24
437     o Removed some spurious "REAL"s
438     o Updated KPP to latest version from JPL
439     o Added a COS(latitude) in horizontal viscosity
440    
441    checkpoint23
442     o Added del^4 diffusion for salt and temperature
443     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
444    
445    checkpoint22
446     o Made many small changes: implicit none, format(i5), etc...
447     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
448    
449    checkpoint21
450     o Introduced new I/O package that supports direct-access records (mdsio.F)
451     o Split-up mid-level I/O routines
452     o Updated input data for experiments 0,1,2,4 and 5
453     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
454    
455    checkpoint20
456     o Tidied up open-boundaries some more
457     o Added non-hydrostatic code
458     o Fixed some input data
459     o Modified MPI start-up to work in "coupled" context.
460    
461    checkpoint19
462     o Tidied up directory structure for verification experiments.
463     o Added new code for open boundaries.
464     o Corrected advective terms near boundaries.
465     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
466     o Implemented free-slip/no-slip BCs and del^4 dissipation.
467     o Split default parameters out of ini_parms.F into set_defaults.F.
468    
469    checkpoint18
470     o Further changes for optional code generation with
471       CPP - ugh!
472    
473    checkpoint17
474     o Beginning to incorporating modularity
475       for supporting atmos. and ocean configs.
476     o Small changes for TAMC complinace
477     o New ultra simple test case. Barotropic box
478       configuration "exp0".
479    
480    checkpoint16
481     o Minor changes to exchange routines to support
482       accumulation in reverse mode. Adjoint of an
483       assignment is an addition.
484     o Changes to support compilation by TAMC (LR(1)
485       syntax) and by g77 under Linux ( 72 character
486       limit ).
487    
488    checkpoint15
489     Rewrote exchange routines to allow
490     o General tile <-> tile connectivity.
491     o TAMC reverse mode flag ( is this really needed? )
492     o Variable width overlap and exchange region widths.
493     o Hooks for sharing data via DMA, Arctic, Memory Channel,
494       shmput/shmget, VIA, SYSV shmem and every other cool
495       communication method.
496    
497    checkpoint14
498     Consistent isomorphism chages made. These allow dynamical core
499     to support both pressure and meters as a vertical coordinate.
500    
501    checkpoint13
502     Release which corrects global_max problem and a couple
503     of KGM time-averaging diagnostic errors. Also contains
504     a double-gyre experiment setup as well as the baseline
505     4 degree global template. The double gyre template is
506     organised to allow it to be applied automatically to
507     the baseline configuration.
508    
509    branch-point-rdot
510     A few tidy-ups have been made bt the real point of this
511     check-point (excuse the pun) is to allow a branch to be
512     made for the purposes of adding the rDot alterations.
513     I don't want to commit the rDot to the main-trunk until
514     we've actually tested it...
515    
516  checkpoint12  checkpoint12
517   Tidy up and added generic genmake script (formerly   Tidy up and added generic genmake script (formerly
518   configure script).   configure script).

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