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revision 1.8 by adcroft, Wed Jul 1 22:49:29 1998 UTC revision 1.77 by jmc, Fri Jul 12 21:00:23 2002 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    checkpoint45d_post
6    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
7    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
8      (affects plume_on_slope "cg2d" output)
9    o add new parameter deltaTfreesurf for free-surface time stepping
10    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
11    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
12    o change phiMin in exp1 (to agree with documentation)
13    o add new flags:
14     - T,S forcing inside/outside Adams-Bashforth
15     - turn off temp,salt advection and/or forcing
16     - for each tracer, define internal flag for multiDimAdvection & A-B
17    o monitor: change definition of KE to check conservation of Energy
18    
19    checkpoint45c_post
20    o Removed f90 comments ("!")
21    o Modified initialisations to enable exf package for MITgcm
22      (without invoking ECCO_PACKAGE).
23    o modifications to gradient check package (Martin Losch)
24      - enable centered differences
25      - modified format of standard output
26    
27    checkpoint45b_post
28    o cleaned exchange calls in cg2d
29    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
30    o included CPP option SINGLE_LAYER_MODE in thermodynamics
31      to configure barotropic setup (Martin Losch)
32    o moved some initialisations within bi,bj loop in dynamics
33      (TAF flow dependency)
34    o in initialise_varia, moved call packages_init_variables
35      before convective_adjustment_init
36      (corresponding adjustment of TAF tape initialisation).
37    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
38    
39    checkpoint45a_post
40    o compute Rho over the whole domain (extend iMin,jMin indices)
41    o specific exchange for X-slice domain (case Ny=1)
42    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
43    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
44    
45    checkpoint44h_post = checkpoint45
46    o Fix to restore differentiability:
47      place at which packages_init_variables is called in
48      initialise_varia is crucial for reverse control flow.
49    o modifications in GMRedi to enable stable adjoint
50      (corresponding modif's in thermodynamics, dynamics)
51    o added missing hook for sponge layer code in external_forcing
52    o modified test cost functions
53    o storing in gad_advection (plus removal of write(0,*)!
54    o missing headers TR1.h added in convective_adjustment routines
55    o errorMessageUnit set non-equal zero in eeboot
56      (conflict on some platforms, e.g. IBM SP3)
57    o modified carbon verif.
58    
59    checkpoint44h_pre
60    o vertical grid option: allow to put the Interface at the middle between
61      2 cell-centers ; replace delZ in pkg/kpp by drF.
62    o GM Advective form: Tracers are advected using the residual transport (=
63      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
64    
65    checkpoint44g_post
66    o fix surface correction term in multiDimAdvection (affects plume_on_slope
67      results) ; ifdef missing in thermodynamics.F
68    
69    checkpoint44f_pre,checkpoint44f_post
70    o added PTRACERS package
71      This allows an arbitrary number of passive tracers to be integrated
72      forward simultaneously with the dynamicaly model.
73      + Implemented so far:
74        - basic forward algorithm (time-stepping, advection, diffusion, convection)
75        - I/O and checkpointing
76        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
77      + Not implemented so far:
78        - KPP
79        - OBCS
80      + No specific example supplied (yet) but global_ocean.90x40x15 has the
81        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
82        line in data.pkg.
83      + This package is disabled by default since it increases storage.
84    
85    
86    o testscript: added -cleanup option
87    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
88                 b) enable to filter 2D fields.
89    
90    checkpoint44e_pre,post
91    o re-wrote convective adjustment to use pre-calculated weights
92      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
93      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
94      Original calls to convect() still in place.
95    
96    chkpt44d_pre,post
97    o added missing EXCLUDE_MONITOR flags
98    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
99      (incompatible typ in MIN/MAX expressions caused problems
100      on IBM SP3)
101    o in genmake added variable MAKEDEPEND
102      plus resetting for case SunOS
103    o added timer_stats.c routine for IBM SP3
104    o removed variables in dynamics
105    !!! I forgot to create tag chkpt44d_pre !!!
106    !!! But chkpt44d_pre = chkpt44c_post    !!!
107    
108    o real fresh water flux implemented with non-linear free-surface.
109    
110    chkpt44c_pre,post
111    o few fix (mask in shap_s2, EmPmR in external_field_load,
112      USE_NATURAL_BCS in solve_for_P);
113    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
114    
115    checkpoint44b_pre/_post
116    o merge of relevant stuff from the ecco-branch:
117      - genmake: removed $S64 overwrite for case SunOS
118      - pkg/exf: update and corrections for field swapping and obcs
119      - pkg/ecco: parameter lists for the_model_main, the_main_loop
120                  harmonized between ECCO and MITgcm
121      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
122                      updated checkpointing_lev... lists for obcs
123      - model/src: minor changes in forward_step, plot_field
124                   added directive for divided adjoint in the_main_loop
125      - pkg/mdsio: added mdsio_gl_slice
126    
127    o check parameters & config (chkpt44a_pre,post)
128    o OBC and NonLin_FrSurf.
129    
130    checkpoint44
131    o fix bug in mom_vi_del2uv
132    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
133    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
134    o update AIM experiments (NCEP input files)
135    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
136    o added some stuff for AD
137    
138    checkpoint43
139    o added two new advection tests
140    o added global 4x4 degree ocean test
141    o added test of H&S94 with free surface on cube
142    o some final mods for gradient check, adjoint,...
143    
144    checkpoint42
145      Fixed AD-related problems:
146    o Store directives up-to-date with re-arranged Adams-Bashforth
147      (mainly thermodynamics.F)
148    o New store directives for multi-dim. advection schemes
149      * new CPP flag ALLOW_MULTI_DIM_ADVECTION
150      * new common block and key passkey
151      (mainly gad_advection.F)
152    o Modified store directives for split of dynamics/thermodynamics
153      for the case ALLOW_KPP
154    o Cleaned argument list for timestep_tracer.F
155    
156    checkpoint41
157    o re-formatted/added comments in prologues of key subroutines
158      to work with protex
159    
160    checkpoint40
161    o moved calc_gs, calc_gt and calc_tr1 back to model/src
162    o added FLT (floats) package from Arne along with demo. experiment
163    o re-arranged Adams-Bashforth scheme for tracers to allow easier
164      implementation of forward-in-time forcing terms
165    o more mods for non-linear free-surface including new variable
166    o modified multi-dim method to work on cube
167    o bug fix in KPP (from DM)
168    
169    checkpoint40pre9
170    o added DST advection schemes
171    o fix MPI bug on SGI's
172    o modifications for non-linear free-surface
173    o fixed conditionals for fixed flow/passive tracer only mode
174    o added tension/strain form of stress tensor
175    o changes to commenting of arguments for TAF/TAMC
176    o added/updated many matlab scripts
177    o added multi-dimensional advection method for tracers
178      
179    checkpoint40pre8
180    o new package rw/
181      Added method for dumping intermediate local arrays:
182      mdsio_writetile - same as mdsio_writefield except works from inside
183                        bi,bj loop
184      mdsio_writelocal - same as mdsio_writetile except works for local
185                         arrays
186      write_local_r? - higher-level wrapper for mdsio_writelocal
187      Controlled by diagFreq. Defaults to zero (ie. no dumps)
188      Example given at end of mom_vecinv.F that dumps some local arrays.
189    o replaced calc_mom_rhs.F by mom_fluxform.F/mom_vecinc.F to
190      control flux-form versus vector invariant code.
191      Switch is runtime flag vectorInvariantMomentum (defaults to false)
192      or genmake -DISABLE ...
193    o TAMC-related update to cope with mom_fluxform.F/mom_vecinc.F
194      (additional storing is now needed for case vecinv;
195      currently nothing implemented to switch this storing off
196      in case fluxform is used since no CPP flag available).
197    
198    checkpoint40pre7
199    o bug fix in dynamics.F
200      calc_viscosity called before k=1,Nr loop.
201    o added some #ifdef's ALLOW_PASSIVE_TRACER
202    o cleaned initialisations in ctrl_map_ini
203      related to TAF
204    
205    checkpoint40pre6
206    o split dynamics into thermodynamics & dynamics
207    o corresponding split of calc_diffusivity into
208      calc_diffusivity, calc_viscosity
209      (kpp_calc_diff, kpp_calc_visc).
210    o Added diffkr, kapgm to control variables
211    o bug fix in gmredi_slope_limit for ldd97
212    
213    checkpoint40pre5
214    o proper initialization of Adams-Bashforth time stepping
215      + uses forward step for very first step of model (iter=0)
216    o re-generated *all* output since almost all output is modified by this
217      change (sorry but we've been putting this one off for about 2 years)
218      + natl_box, aim.5l_Equatorial_Channel and aim.5l_zon-ave were
219        *not* regenerated since they are already out of date and I don't
220        want to create the impression that they are suddenly working.
221    o removed KAP stuff for DEC's
222    o modified/added many .cvsignore files in */code and */input
223    o added new expt "solid-body.cs-32x32x1"
224      + this uses an alternative form of ini_curvilinear_grid.F which
225        is not necessarily any better than the current one...
226    
227    checkpoint40pre4
228    o added re-initialisations of utrans,vtrans,rtrans in
229      calc_common_factors which are crucial for TAF.
230    o extended iMin,jMin range for calc_common_factors,
231      calc_diffusivity
232    o added option ALLOW_PASSIVE_TRACER
233    o a few minor updates and fixes
234    
235    checkpoint40pre3
236    o created calc_gtr1.F for gad package
237    o split the_main_loop and re-introduced forward_step
238    o some recomputations of nIter0 for TAMC
239    
240    checkpoint40pre2
241    o Updated to latest branch of AJA, JMC
242    o Added gradient check package
243    o Added routines for passive tracer handling
244    o Added carbon sequestration sensitivity experiment
245    
246    checkpoint39
247     o Modifications and fixes to support TAMC
248       (mainly missing or wrong directives)
249     o Corrected common blocks when fooling TAMC to produce adjoint I/O
250       in addummy_in_stepping
251     o Updated verification/vero/ (bug fixes in code/, correct pickups in input/)
252     o Enabled "sliced" (xz-,yz-) exchanges, needed for obcs.
253     o Included following packages:
254       cal: calendar
255       exf: external forcing
256       ecco: essential routines to control use of cal, exf
257             (NB: this is not the full ECCO environment)
258     o disabled some packages by default in genmake
259    
260    checkpoint38
261     o see notes_c37_adj.txt
262     o corrected wrong layer index in external_forcing_t
263     o replaced the_main_loop/forward_step by the_main_loop
264     o removed forceoutput from write_state
265       (replaced criteria for initial/final state)
266     o added runtime flag for pre-C35 pickups: usePickupBeforeC35
267    
268    checkpoint37
269     o mdsio.F routine split and packaged in pkg/mdsio
270       (mdsio.F and mdsio_gl.F still exist in eesupp/src but are not
271        used unless genmake -disable=mdsio)
272     o allow a more precise surface-geopotential gradient for the atmosphere
273       taking into account the change in space of Alpha (=1/rho) at the surface.
274     o variable "etaN" (replace cg2d_x) is the surface R-anomaly [r unit]
275       (ocean: sea surface height [m] / atmos: surface pressure anomaly [Pa])
276     o Change units: Phi_Hydrostatic (=phiHyd), Phi_Surface(=cg2d_x) and
277       Phi_NonHydrostatic (=cg3d_x), all have now the dimension of a potential
278       [m2/s2] (pressure/rhoConst in the ocean ; Geo-Potential in the atmosphere).
279     o Time-Average diagnostics defined as a pseudo package "timeave".
280     o pickup files : old pickup (before c35) did not work with new code (c35
281       and after) unless activating 2 commented lines in initialise-varia.
282     o Non-Hydrostatic pickup file Pb fixed.
283     o bug with Rigid-lid version (since c35) fixed.  
284    
285    checkpoint36
286     o implement Crank-Nickelson barotropic time-stepping
287     o recover Time-Average diagnostics
288     o fix Pb in checkpoint (PR#19)
289     o AIM become a standard package ; clean unused CPP_kees
290    
291    checkpoint35
292     o subtantial rewrite of dynamics.f
293     o allows staggered time-stepping
294     o packaged obcs, aim (Atmospheric Physics), zonal_filt, shap_filt
295     o added bottom drag (linear + quadratic)
296    
297    checkpoint34
298     o Modified exchange routines for correct reverse simulation.
299     o Added verification output to comply with bug fix in impldiff.F
300       as of c33 (exp2, natl_box).
301     o Corrected store directives in dynamics.F
302     o Corrected array boundaries in impldiff.F
303     o Corrected array dimensions in gmredi.
304       Added temporary scalars to avoid storage by TAMC (gmredi, kpp).
305     o Added routine GLOBAL_SUM_INT to global_sum.F
306     o Added mdsio_gl.F for ECCO purposes.
307    
308    checkpoint33
309     o Fixed bug in lower BC in impldiff.F
310     o Fixed confusion about units of forcing arrays in FFIELDS.h
311       namely Fu,Fv,Qnet,Qsw,EmPmR:
312       - Removed verification/natl_box/code/external_fields_scale.F
313         (did not differ from that in model/src)
314       - Changed units of fu,fv,Qnet,Qsw,EmPmR back to proper units
315         (see FFIELDS.h for description)
316       - Scale fu,fv,Qnet,Qsw,EmPmR when used in external_forcing_surf.F,
317         kpp_calc.F and kpp_transport_t.F
318       - Removed model/src/external_fields_scale.F and calls to it
319       - verification/natl_box uses flux data with "atmospheric" sign so
320         a special version of external_fields_load.F is used to
321         change the data as it's read in. This way, the arrays
322         have the right units and signs at all times tha a user could
323         possibly use them.
324     o Corrected genmake to delete a temporary file during configuration
325    
326    checkpoint32
327     o Scaling of forcing fields moved from external_forcing.F to
328       external_fields_scale.F, called directly after loading fields.
329     o Surface relaxation terms added to surface tendency fields in
330       extra subroutine.
331     o impldiff.F changed to avoid storing by TAMC of huge intermediate
332       fields.
333     o Changes in GMRedi to comply with packaging structure.
334     o Modifications and bug fixes in KPP package.
335     o Verification experiment for KPP added (verification/nat_box/)
336    
337    checkpoint31
338     o Packages interface brought in line with defined standard
339       -> new routines packages_...F
340       -> changes in initialise_fixed.F, initialise_varia.F
341       -> enables initialisation interface for ECCO package
342     o Rescaling of external forcing fields immediately after read
343       (removed from external_forcing.F)
344       -> new: surface_fields_scale.F
345       -> affects ini_foorcing.F, external_fields_load.F
346     o Computation of surface tendencies before tendency updates.
347       -> new: external_forcing_surf.F
348     o Change of variable names useGMRedi, useKPP, useECCO
349     o Further changes in dynamics.F, impldiff.F for TAMC
350     o Tested for experiments 0, 2, 4.
351       - not yet tested for GMRedi.
352       - not yet tested for KPP.
353    
354    checkpoint30
355     o Updates for OBCs
356     o New experiment for test OBCs (internal_wave)
357     o New output.txt in verification/exp4/results/
358     o Updates for KPP: calculation of viscosity corrected, new variables
359       kpp_dumpFreq and kpp_taveFreq
360     o CPP'd calls to system routines for TARGET_CRAY_VECTOR (P.H.)
361       and entry for T90 in genmake
362    
363    checkpoint29
364     o packaged KPP and GM/Redi
365    
366    checkpoint28
367     o Corrected initialization of hFacMin for difference vertical coordinates
368     o Modified calculation of partial cell thickness to more robust algorithm
369     o config_summary.F: replaced write_1D_... by write_0D_...
370       read_write.F: added subroutines write_0D_...
371     o routines calc_common_factors, calc_gs, calc_gt, calc_phi_hyd, find_rho:
372       included some initialisations required for TAMC.
373     o routine calc_isoslopes: modified sqrt computation to make it
374       differentiable for zero argument.
375     o routines dynamics, impldiff:
376       included store directives and tape key computations required for TAMC.
377     o ALL TAMC related changes are between ifdef ALLOW_AUTODIFF_TAMC
378    
379    checkpoint27
380     o fixed calc_isoslopes() to so that cancellation of terms in tensor
381       formulation works properly with variable resolution.
382     o restructured the calling tree between the_model_main() and dynamics()
383     o split initialise() into initialise_fixed() and initialise_varia()
384     o introduced initialization file pSurfInitFile for free surface (cg2d_x)
385       in new routine ini_psurf()
386    
387    checkpoint26
388     o moved some #ifdef in optional routines to encompass everything
389       except the argument declarations. This was using up some memory.
390     o fixed macros like _ADT to work with both versions of Linux cpp
391     o cleaned up some unused and uninitialized variables
392       (helps when debugging with strict compile options)
393     o split up CPP_EEOPTIONS.h into options and macros
394       (macros are now in eesupp/inc/CPP_EEMACROS.h)
395     o patch for 2 processor JAM mode
396    
397    checkpoint25
398     o updates for OBCs and NH
399     o dramatically reduced memory usage
400     o added "JAM" routines for use on Artic network
401     o parameterization of convection by implicit vertical diffusion
402     o added a diagnostic of convective index
403     o moved call to calc_divg_hat() from dynamics() to solve_for_pressure()
404       (this is was partly for OBCs and NH but also in anticipation of
405        an explicit free-surface option)
406     o initial state input files for U and V
407    
408    checkpoint24
409     o Removed some spurious "REAL"s
410     o Updated KPP to latest version from JPL
411     o Added a COS(latitude) in horizontal viscosity
412    
413    checkpoint23
414     o Added del^4 diffusion for salt and temperature
415     o Multiple minor fixes (implicit none's, arguments to global_sum, etc.)
416    
417    checkpoint22
418     o Made many small changes: implicit none, format(i5), etc...
419     o Introduced KPP mixing scheme (compiles and runs but *not* tested)
420    
421    checkpoint21
422     o Introduced new I/O package that supports direct-access records (mdsio.F)
423     o Split-up mid-level I/O routines
424     o Updated input data for experiments 0,1,2,4 and 5
425     o Finally removed the genmake.* scripts (everyone seems happy with genmake)
426    
427    checkpoint20
428     o Tidied up open-boundaries some more
429     o Added non-hydrostatic code
430     o Fixed some input data
431     o Modified MPI start-up to work in "coupled" context.
432    
433    checkpoint19
434     o Tidied up directory structure for verification experiments.
435     o Added new code for open boundaries.
436     o Corrected advective terms near boundaries.
437     o Added CPP flag for "old UV" geometry and corrected spherical geometry.
438     o Implemented free-slip/no-slip BCs and del^4 dissipation.
439     o Split default parameters out of ini_parms.F into set_defaults.F.
440    
441    checkpoint18
442     o Further changes for optional code generation with
443       CPP - ugh!
444    
445    checkpoint17
446     o Beginning to incorporating modularity
447       for supporting atmos. and ocean configs.
448     o Small changes for TAMC complinace
449     o New ultra simple test case. Barotropic box
450       configuration "exp0".
451    
452    checkpoint16
453     o Minor changes to exchange routines to support
454       accumulation in reverse mode. Adjoint of an
455       assignment is an addition.
456     o Changes to support compilation by TAMC (LR(1)
457       syntax) and by g77 under Linux ( 72 character
458       limit ).
459    
460    checkpoint15
461     Rewrote exchange routines to allow
462     o General tile <-> tile connectivity.
463     o TAMC reverse mode flag ( is this really needed? )
464     o Variable width overlap and exchange region widths.
465     o Hooks for sharing data via DMA, Arctic, Memory Channel,
466       shmput/shmget, VIA, SYSV shmem and every other cool
467       communication method.
468    
469    checkpoint14
470     Consistent isomorphism chages made. These allow dynamical core
471     to support both pressure and meters as a vertical coordinate.
472    
473    checkpoint13
474     Release which corrects global_max problem and a couple
475     of KGM time-averaging diagnostic errors. Also contains
476     a double-gyre experiment setup as well as the baseline
477     4 degree global template. The double gyre template is
478     organised to allow it to be applied automatically to
479     the baseline configuration.
480    
481    branch-point-rdot
482     A few tidy-ups have been made bt the real point of this
483     check-point (excuse the pun) is to allow a branch to be
484     made for the purposes of adding the rDot alterations.
485     I don't want to commit the rDot to the main-trunk until
486     we've actually tested it...
487    
488    checkpoint12
489     Tidy up and added generic genmake script (formerly
490     configure script).
491     Released to testers.
492    
493    checkpoint11
494     Re-arranged initialise() and introduced ini_vertical_grid()
495     and ini_masks_etc().
496    
497  checkpoint10  checkpoint10
498   Introduced the configure script.   Introduced the configure script.

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