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revision 1.1675 by heimbach, Mon Jun 25 19:25:41 2012 UTC revision 1.1793 by jmc, Thu Dec 27 17:20:52 2012 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o verification/offline_exf_seaice:
8      - add thermodynamics only test.
9    o verification/cheapAML_box:
10      - split the domain in 8 (2x4) tiles; add MPI and multi-threaded test;
11        keep same output (same 14 digits for cg2d).
12      - switch on "-r8" compiler option (some numerical values are missing
13        the "_d 0") and update output (only 6 digits for cg2d were preserved).
14    
15    checkpoint64b (2012/12/24)
16    o pkg/cheapaml:
17      - remove un-used variables (Qnet,EmPmR) from pickup files.
18      - store tendency of advected variables into cheapaml pickup file
19        and fix the AB-2 restart.
20    o verification/offline_exf_seaice and lab_sea adjoint:
21      - switch to new code (#undef SEAICE_GROWTH_LEGACY).
22      - switch to 4 time steps in offline, consistent with lab_sea.
23      - match parameters from SEAICE_GROWTH_LEGACY branch in data.seaice.
24      - update results after change of experiment seaice.
25    o pkg/seaice:
26      - remove option SEAICE_MULTICATEGORY; has been replaced with run-time
27        parameter SEAICE_multDim. Issue a warning if SEAICE_MULTICATEGORY is
28        still defined since SEAICE_multDim needs to be set to MULTDIM value (from
29        SEAICE_SIZE.h) to recover previous #define SEAICE_MULTICATEGORY default.
30    o model/src:
31      - add run-time parameter to select CG2D solver minimum-residual solution
32        (in case of a poor convergence).
33    o pkg/seaice/seaice_lsr.F
34      - move calculation of matrix coefficients into new
35        S/R SEAICE_CALC_LSR_COEFFS; for now this routine remains in the same
36        file; the main purpose of this change is to be able to reuse the code
37        in S/R SEAICE_PRECONDITIONER
38      - modify the computation of the residual so that the mass of sea-ice
39        is not used twice; this simplifies the calculations, but since
40        the residual is never used except when LSR_mixIniGuess.ge.4---and this is
41        not tested in testreport---this does not affect the testreport results.
42    o verification/seaice_obcs:
43      - disable SEAICE_GROWTH_LEGACY; reset input files to match those of
44        verification/lab_sea/input.salt_plume; changes results/output.txt*
45    o model/src:
46      - adapt quasi-hydrostatic formulation to work with p or p* coordinate.
47    o pkg/seaice:
48      - improve description of parameters in seaice_fgmres.F and start
49        cleaning up the code
50      - change name of SCALPROD to SEAICE_SCALPROD and modify meaning of
51        second argument
52      - add a metric based on grid cell area to SEAICE_SCALPROD; update
53        results of offline_exf_seaice.dyn_jfnk
54      - compute initial residual norm in seaice_jfnk based on SEAICE_SCALPROD
55    o pkg/aim_v23:
56      - fix an other bug in dissipation heating (grid-cell area was missing).
57    o model/src + pkg/seaice:
58      - add global (multi-tile) linear solver for pair of tri-diagonal system
59        along X and Y lines, respectively for U and V component.
60        Note: 1) MPI and cube-exchange not yet coded.
61            2) probably not accurate for poorly conditioned / large size problem.
62      - add option for SEAICE_LSR to use global (multi-tile) tri-diagonal solver;
63        default: not compiled and not used.
64    o pkg/seaice:
65      - first attempt at a multi-threaded fgmres solver for the JFNK solver:
66        introduce bi/bj loops and use global_sum_tile_rl instead of
67        mpi_allreduce in seaice_fgmres.F
68      - improve diagnostics output for fgmres solver (seaice_fgmres.F)
69      - replace a few unnecessary goto statements by if-blocks  (seaice_fgmres.F)
70      - add a verification experiment for JFNK in offline_exf_seaice
71    o verification:
72      - change (for now, only fwd test) offline_exf_seaice experiment:
73        use a re-entrant channel with idealized coastline (trapezoidal shape)
74        at southern boundary to explore seaice dynamics and thermodynamics
75        with simple forcing. Main set-up has dynamics+thermo and SST relaxation;
76        secondary test (input.thsice) use thermodynamics only with SST relaxation.
77      - add seaice-dynamics only secondary test using LSR and pkg/thsice advection.
78    o pkg/exf:
79      - disable "sstExtrapol" when Nr=1
80    o verification:
81      - add new experiment "cheapAML_box" (simple 1 layer set-up from Bruno Deremble)
82        to test pkg/cheapaml.
83    o pkg/aim_v23 & pkg/shap_filt:
84      - fix dissipation heating (erroneous gravity multiplication factor).
85    o pkg/seaice:
86      - remove unused field pressPre from jfnk solver
87      - rename two subroutines in seaice_preconditioner.F
88    o eesupp/src:
89       - S/R MDSFINDUNIT avoids reserved unit numbers (scrUnit1, eeDataUnit ...)
90    o pkg/seaice/seaice_preconditioner.F: fix preconditioner once again
91       - remove wrong parts of the rhs and the lhs (were in there
92         because I did not understand the concept of this preconditioner)
93       - add an exchange between u- and v-sweep. This increases communication
94         by a factor of two but improves the convergence of jfnk. Ideally,
95         one would like the u- and v-sweep to be independent. So far within
96         undocumented ifdefs
97       - reorganize the extra computations for printing the residuals
98    o tools/genmake2:
99      - comment out the "mpif.h" include in NetCDF test programm (for MPI built)
100        since it's not necessary (and was preventing to use MNC in some cases).
101    
102    checkpoint64a (2012/11/16)
103    o pkg/autodiff:
104      - improve pkg-internal logical parameter switch (inAd/inFwd mode) so that
105        autodiff_readparms.F no longer depends on calling order (within
106        packages_readparms.F) and no longer requires to include ${PKG}_PARMS.h):
107        rename param turnFreeDriftInAdMode to SEAICEuseFREEDRIFTswitchInAd
108        and change param SEAICEuseDYNAMICSinAdMode to SEAICEuseDYNAMICSswitchInAd.
109    o pkg/obcs:
110      - adding tidal velocity forcing capability to obcs
111        for usage example, see verification/seaice_obcs/input.tides
112    o pkg/seaice:
113      - turn the LSR-relaxation parameters WFAU/V into runtime parameters
114        SEAICE_LSRrelaxU/V
115      - introduce runtime parameter SEAICEetaZmethod (=0 by default)
116    o pkg/aim_v23:
117      - implement heating from friction (bottom friction and stratospheric drag).
118    o pkg/shap_filt:
119      - fix diagnostic "SHAP_dKE" (was 2 time smaller); implement heating from
120        dissipation but only for Shap_funct=2, active when addFrictionHeating=T.
121    o model/src:
122      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
123        time-constant addMass field from file (addMassFile);
124      - support for heating due to friction (and Kinetic Energy dissipation):
125        add option, run-time switch and 3-D field array + support code ; each pkg
126        or S/R can add heating contribution (if there is a sink of KE); the sum is
127        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
128    o pkg/seaice:
129      - complete merge of ITD code into seaice_growth.F
130        from MITgcm_contrib/torge/itd/code/
131        no verification so far, but Torge Martin tested
132        "1-D test case and Beaufort set up;
133        deliver okay results after 1 model year."
134      - complete merge of SEAICE_SIZE.h into all relevant routines
135      - move computation of eta at Z-points into calc_viscosities
136        + introduce global field etaZ
137        + add different methods for computing etaZ, for now the old
138          method (simple averages of eta to Z-points) is hardwired
139        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
140          seaice_preconditioner
141      - simplify computations for SEAICE_ZETA_SMOOTHREG
142      - seaice_preconditioner:
143        + replace one remaining press by pressLoc (mistake)
144        + adjust printing of residuals
145      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
146        + add (SEAICE.h) and rename some counters (initiliased in
147          seaice_init_fixed.F)
148        + add _BEGIN/END_MASTER (myThid)  around print statements
149        + print total number of iterations and failures over SEAICE_monFreq
150          interval to STDOUT
151      - move control over output-messages by fgmres to seaice_jfnk to save
152        some operations
153      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
154        in order to make restarts with sol .ne. zero (fgmres with restarts)
155        (seaice_jfnk.F, seaice_fgmres.F)
156      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
157        a serious convergence problem when open boundaries are involved
158    o pkg/ggl90: fix computation of control volumes for the case of
159      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
160      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
161    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
162    o pkg/autodiff
163      - Add inAdMode switch for SEAICEuseDYNAMICS:
164        SEAICEuseDYNAMICSinAdMode
165        (extend logic in ADAUTODIFF_INADMODE_SET)
166    o pkg/seaice
167      - Step 1 of merging ice-thickness distribution (ITD) code from
168        MITgcm_contrib/torge/itd/ (author: Torge Martin)
169        The code implements concept laid out in Thorndike et al. (1975);
170        code is enabled via CPP flag SEAICE_ITD
171        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
172        code is not complete yet!!
173      - SEAICE_SIZE.h now included in almost all seaice routines
174    o verification (using seaice):
175      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
176        global_ocean.cs32x15.seaice ; update results.
177      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
178      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
179        offline_exf_seaice (previously compiling B-grid).
180    o pkg/exf:
181      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
182        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
183        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
184    o pkg/layers (adjust changes from Sept 19):
185      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
186        this allows to remove "layers_maxNum" dimension from all layers arrays.
187    o pkg/layers (adjust changes from Sept 19):
188      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
189      - snap-shot extended to all type of layers (not just the 1rst type);
190      - remove layers variables when corresponding CPP option is undef.
191    o pkg/layers:
192      - rename pkg/layers variable and add new output (layer exist & un-weighted
193        velocity in layer)
194    o pkg/seaice:
195      - simplify (?) ocean-drag coefficent computations by using
196        the same routine in all three solvers (saves some code lines)
197      - remove global fields DRAGA and DRAGS from C-grid code and
198        declare them locally in lsr.F (the only place where they are
199        still used)
200      - update AD output of lab_sea.evp (very sensitive anyway).
201    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
202      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
203      and SEAICEuseJFNK=.true. A few things to note:
204      - involves a FGMRES, that is parallel but very inefficient,
205        because of many scalar products (global sums) in the Gram-Schmidt
206        orthogonalization method. Needs to be replaced. Original code
207        from J.-F. Lemieux
208      - preconditioner for FGMRES is a stripped down version of LSOR
209      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
210        preconditioner. For the preconditioner, the default is set to 10.
211      - Jacobian times vector is computed with finite differences
212      - marginally related to JFNK-solver: add a smooth regularization for
213        zeta with tanh that will improve convergence (Lemieux and Tremblay,
214        2009) for any implicit solver (not implemented for EVP because EVP
215        does not need this regularization in the first place). Define
216        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
217    o eesupp/src:
218      - check in genmake2 that intrinsic S/R flush is available.
219      - add S/R to flush IO unit (if intrinsic S/R flush is available)
220      - flush standard & error msg unit before MPI termination
221      - if debugMode, flush IO unit after printing msg
222    o pkg/ctrl:
223      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
224        to ctrl_set_unpack_xyz.
225    
226    checkpoint64 (2012/10/09)
227    o pkg/shelfice
228      - in mom_fluxform.F, mom_vecinv.F:
229        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
230        Bug fix KappaRU -> KappaRV
231        does not change verification/isomip but may change other setups
232        (presumably constant KappaRU=KappaRV)
233      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
234    o pkg/obcs:
235      - fixed some indexing bugs in obcs_seaice_sponge.F
236      - added obcs relaxation subroutines for HSALT and HSNOW
237      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
238    o pkg/seaice:
239      - add "multicategory" parameterization for snow in analogy to ice,
240        default is off for now.
241    o pkg/obcs:
242      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
243        see verification/seaice_obcs/input.seaiceSponge for example application.
244      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
245        index setting by master-thread. This fix multi-threads Pb in previous modifs.
246    o pkg/layers :
247      - add diagnostics to pkg/layers
248      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
249        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
250    o pkg/generic_advdiff/gad_implicit_r.F :
251      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
252    o pkg/seaice/seaice_growth.F:
253      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
254    o pkg/obcs:
255      - change default setting of OBCS_UVICE_OLD from defined to undef;
256      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
257        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
258      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
259      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
260        with Southern & Western OB at a tile edge (at least in a simple set-up).
261    o pkg/obcs:
262      - change settings of OB index in case OB coincides with tile edge (shared by
263        2 tiles), so that common OB location is registered by both tiles (instead of
264        only 1). However, for Southern and Western OB, index value = 0 is not
265        recognized as valid OB index (=default null value) and needs to be fixed.
266      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
267      - new parameter "OB_indexNone" for null index value (for now, still zero)
268        to replace hard-coded null index value of zero.
269    o pkg/exch2:
270      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
271        always check buffer-size (but outside the loop); move checking for valid
272        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
273        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
274    o pkg/ctrl (pack & unpack):
275      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
276        (locally defined) for different variables (+ remove the variable-specific
277        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
278        (to be extended to other local file names in ctrl.h).
279    o pkg/flt:
280      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
281    o pkg/mdsio:
282      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
283    o tools/genmake2:
284      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
285        (added by Alistair in version 1.51 for building without make depend);
286      - remove Header files list (H_SRC_FILES) from the dependence of targets
287         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
288        place in version 1.23): this save going through staf when unrelated header
289        file has been modified.
290       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
291        "make depend" step, still need to do "make links" before "make adtaf".
292    o eesupp/src (+ few pkg src files) & genmake2:
293      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
294      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
295      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
296         upper/lower case ; account for space between "#" and undef/define)
297    o pkg/flt (with exch2):
298      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
299      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
300    
301    checkpoint63s (2012/09/05)
302    o pkg/ecco:
303      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
304      - add more relevant #ifdef ALLOW_SMOOTH ones.
305      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
306    o pkg/ctrl:
307      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
308        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
309      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
310        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
311        ctrlSmoothCorrel3D (new).
312        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
313      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
314      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
315        controls when useAtmWind, and vice versa.
316      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
317      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
318          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
319      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
320          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
321      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
322        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
323    o pkg/smooth:
324      - remove un-necessary includes.
325      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
326        Those CPP options were never defined, and not necessary.
327    o model/src:
328      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
329      - standard treatment of useSMOOTH.
330    o pkg/autodiff:
331      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
332        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
333    o pkg/exch2:
334      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
335        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
336      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
337        and tiles to process mapping.
338      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
339        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
340        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
341        from w2_eeboot.F to w2_readparms.F.
342    o eesupp/src:
343      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
344        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
345        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
346      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
347        is defined (remove condition on usingMPI) to match cases where MPI_INIT
348        has been called.
349      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
350      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
351        (so that on 1 proc, get same myPid independently of usingMPI)
352      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
353        useCubedSphereExchange with EXCH-1 (safer).
354      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
355    o pkg/ggl90:
356      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
357        used in ALLOW_GGL90_SMOOTH code.
358    o pkg/flt:
359      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
360        floats at the Southern end of the domain).
361    o eesupp/inc:
362      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
363        but not used (and not to be used) anywhere, just for documentation.
364    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
365      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
366        a) can damage previously written records in any other multi-record files.
367        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
368    o tools/genmake2:
369      - define variable MAKE within Makefile and use it in place of 'make';
370      - update AD_CONFIG.h (if needed) before building any of the executable
371        (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
372        and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
373      - always print usual warning comment 'this file is automatically generated'
374        from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
375    o pkg/cheapaml:
376      - updated to correspond to the code used in accepted paper (Nico Wienders).
377    o pkg/exf:
378        added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
379        ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
380        and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
381    o pkg/exf, autodiff, ctrl, ecco and seaice:
382        remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
383    o pkg/ctrl, ecco:
384        allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
385        Depending on useAtmWind, one is inactive, and the other is active (see
386        exf_getffields.F/exf_getsurfacefluxes.F).
387    o tools/genmake2:
388      - improve error msg when failing in 2nd test of check_for_broken_Ff
389      - fix option '-makefile' short-name (-mf according to genmake2 -help)
390      - source local config file "genmake_local" just after processing the genmake2
391        command arguments (previously done before processing arg).
392    o pkg/grdchk:
393      - add a call to TURNOFF_MODEL_IO for Tangent-Linear run (in this case, call
394        to this routine from cost_final has been dropped in g_cost_final)
395      - improve printed information (more explicit msg, no longer using "print *,"
396         fix fcpertminus printed value).
397    o model/src:
398      - move call to COST_INIT_VARIA out of packages_init_variables.F directly
399        into initialise_varia.F (just after calling PACKAGES_INIT_VARIABLES):
400        this prevents getting cost-funct reset in adinitialise_varia recomputations.
401    o pkg/dic:
402      - move initialisation of "freefe" array from from dic_biotic_forcing.F to
403        fe_chem.F: this prevents TAF from dropping this initialisation in TLM code.
404    o pkg/grdchk:
405      - grdchk_main.F : added CALL GLOBAL_SUM_INT( ierr , myThid )
406      - grdchk_getadxx.F etc. : omit I/O if ierr.EQ.0
407    o pkg/autodiff/ctrl/grdchk :
408      - attempt to sort out what works and what does not,
409        with regard to I/O, and to warn/stop accordingly.
410    o pkg/grdchk:
411      - attempt to fix grdchk in the case of useSingleCpuIO.
412      - "if ( myProcId .EQ. grdchkwhichproc .AND. ierr .EQ. 0 )"
413       statements were moved from grdchk_main.F and into
414       grdchk_getadxx.F grdchk_getxx.F grdchk_setxx.F.
415      - a global sum is applied to record numbers icvrec/layer
416       out of grdchk_loc so that they be passed to I/O routines.
417    o pkg/smooth:
418      - fix recomputation that appeared with nlfs : use smooth_recip_hFacC,
419        smooth_hFacW, smooth_hFacS (copied at init_fixed) in 3d case.
420    o verification/testreport:
421      - add option '-tlm' for Tangent-Linear test (-adm,-oad,-tlm are all exclusive);
422      - can also use compressed (gzip) reference output file;
423      - change format (in pkg/grdchk) of TLM output (+ add forward gradient)
424        to be easier to collect by testreport.
425      - update existing TLM output (half out-of-date by more than 3 yrs).
426      - report NETCDF & LAPACK settings (from genmake2) in output dir.
427      - report run-time in each individual summary (previously only for AD test);
428        for TLM test, add also TAF version.
429      - add daily TLM test on (old) aces cluster + weekly test on baudelaire.
430    
431    checkpoint63r (2012/08/15)
432    o tools/genmake2:
433      - fix Makefile for target ftlall (+ update files to clean after make ftlall)
434    o pkg/ecco/ecco_cost_final.F :
435      - fix fc print statements (to stdout and costfunction0000) so
436        that the printed value is always after the global sum.
437    o pkg/seaice/seaice_dynsolver.F :
438      - fix ice strength assymptote at SEAICE_area_max<1
439        (no change for the standard case of SEAICE_area_max=1)
440    o some cleaning:
441      - pkg source files: ensure that all *.F files from each pkg included the
442        corresponding ${PKG}_OPTIONS.h file (except stand-alone src file which
443        only includes CPP_EEOPTIONS.h); fix S/R CTRL_SMOOTH ; update AD experiment
444        code_ad/*.F src files; add new option-file in pkg/admtlm + corresponding
445        includes;
446      - model/src: add PACKAGES_CONFIG.h wherever ALLOW_AUTODIFF[_TAMC] is used.
447      - ALLOW_DIFFKR_CONTROL: add a stop in S/R CTRL_CHECK in case ALLOW_3D_DIFFKR
448        is undef; also define /DYNVARS_DIFFKR/ common block in DYNVARS.h when
449        ALLOW_DIFFKR_CONTROL is defined, to allow to compile and reach this stop.
450      - update option-file CPP_OPTIONS.h of all AD experiments:
451        * no longer include PACKAGES_CONFIG.h ;
452        * includes ECCO_CPPOPTIONS.h if PACKAGES_CONFIG.h has been included ;
453        * def/undef ALLOW_3D_DIFFKR independently of ALLOW_DIFFKR_CONTROL (before
454          including ECCO_CPPOPTIONS.h).
455    o pkg/cost, pkg/ctrl, pkg/ecco option-file:
456      - clean-up and split content of old pkg/ecco/ECCO_CPPOPTIONS.h file into
457        separated pkg option-file (done according to old doc from ECCO_CPPOPTIONS.h,
458        not necessary accurate).
459      - add a template for option-file ECCO_CPPOPTIONS.h, mostly empty, in
460        pkg/autodiff, i.e., the 1rst pkg to compile for adjoint built, with lines to
461        deliberately break compilation (a remainder that it needs to be customized)
462      - in pkg/ecco, includes ECCO_OPTIONS.h instead of COST_OPTIONS.h
463      - rename COST_CPPOPTIONS.h to COST_OPTIONS.h
464      - rename CTRL_CPPOPTIONS.h to CTRL_OPTIONS.h
465    o tools/genamke2:
466      - check for lapack.
467    o pkg/cost and pkg/ecco : attempt to sort out some of the limiting intricacies.
468      - pkg/cost.cost_final.F : allow for use of pkg/ecco and pkg/cost cost functions
469        jointly. The exclusive ifdefs were removed, to add costs terms (when defined)
470        from both packages.
471      - the fc global sum in pkg/ecco/ecco_cost_final.F was removed accordingly.
472      - for objf_atl we use either the pkg/ecco or the pkg/cost term depending on CPPs.
473      - pkg/ecco and model/src : add CPP brackets around pkg/cost and pkg/ctrl includes
474        of "CTRL_SIZE.h" "ctrl.h" "ctrl_dummy.h" "optim.h" / "cost.h" accordingly.
475    o pkg/cost : add comments to explain special and/or untested setups.
476    o pkg/exf:
477      - use EXF_OPTIONS.h to set pkg/exf options except if done in ECCO_CPPOPTIONS.h
478        (previously, ALLOW_AUTODIFF_TAMC was controling this switch).
479    o verification/*/code_ad:
480      mimimal cleaning of AD experiments ECCO_CPPOPTIONS.h option-file:
481      - reccord when this file is included (define ECCO_CPPOPTIONS_H)
482      - remove the most obvious obsolete features (e.g., #define ALLOW_COST not
483        allowed since Oct 2003 in any option-file except in PACKAGES_CONFIG.h)
484    o pkg/seaice :
485      - added possibility to change ice strength/PRESS0 relationship to
486        HEFF, according to the following run time parameters
487        SEAICEpresPow0 :: HEFF exponent for ice strength below SEAICEpresH0 (integer, >0)
488        SEAICEpresPow1 :: HEFF exponent for ice strength above SEAICEpresH0 (integer, >0)
489        SEAICEpresH0   :: HEFF threshold for ice strength            (m)
490    o pkg/ggl90 :
491      - added run time flag mxlSurfFlag to include the code that ensure
492        mixing between first and second level (previously included as a comment)
493    o verification/1D_ocean_ice_column/input_ad/data.autodiff :
494      - add test of newly added dumpAdByRec=T option where
495        we write all records to one file per variable.
496    o verification/global_ocean.cs32x15/code_ad/CPP_OPTIONS.h :
497      - switch to #define ALLOW_BALANCE_RELAX and ALLOW_BALANCE_FLUXES
498        to check that this code is ok with taf and compiles in adjoint.
499    o pkg/autodiff :
500      - added run time param dumpAdByRec : ad dump format switch.
501        If true then write all records to one file per variable.
502        Else write one file per record (remains the default).
503      - revise seaice_ad_dump.F and exf_adjoint_snapshots_ad.F accordingly.
504    o pkg/seaice:
505     - Added SEAICEuseTILT run time switch : if set to
506       false then omit the tilt term in seaice dynamics.
507     - Fix free drift calculation.
508    o pkg/shelfice:
509      When initializing SHELFICEDragQuadratic, set default to be
510      consistent with shiCdrag in case SHELFICEuseGammaFrict is used,
511      but retain option to set it independently
512      (inconsistenty spotted by Veronique Dansereau)
513    o eesupp/inc:
514      - in EEPARAMS.h, add real-type constant for some frequently used simple number
515         (0,1,2,1/2), with name explicitly referring to RS/RL type.
516    o model/src:
517      - move balancing of relaxation terms to new S/R balance_relax.F.
518    o pkg/autodiff:
519      re-write active I/O high-level (control) S/R:
520      - rename  S/R ACTIVE_READ/WRITE_RL to ACTIVE_READ/WRITE_3D_RL
521      - add 1 more argument (useCurrentDir) to replace the "_LOC" 2nd set of S/R.
522      - use standard pkg/mdsio I/O routines (MDS_READ/WRITE_SEC_XZ/YZ  and
523        MDS_READ/WRITE_FIELD); change loops to multi-threads.
524      - update and merge active_file_control_slice.flow into active_file_control.flow
525      - update the calls in lower level S/R (active_file.F, active_file_g.F and
526        active_file_ad.F) keeping the argument list and function unchanged.
527      - also update lower-level "_LOC" version (call same S/R with "useCurrentDir
528        =.TRUE.") and remove high-level (control) _loc version (not called anymore).
529      - new low-level active I/O routines, one for each type (RL/RS), for active var
530        of various (XY,XZ,YZ) shape and level number (arguments: arrShape, myNr);
531        fix ctrl_init_wet.F & ecco_cost_weights.F by calling the new S/R with the
532        right type.
533    o autodiff and RS=real*4:
534      - call the right type (_RS instead of _RL) of S/R in few output S/R (pkg/exf
535        ad-monitor and snapshots); disable arrType='RS' in mdsio_gl*.F ;
536      - change argument type of 3-D mask argument to _RS to match type in the call
537        (in seaice_cost*.F, ctrl_*_gen.F and *ctrl_bound.F); to be continued.
538    o pkg/thsice:
539      - re-anable balanceEmPmR when useSEAICE=T with useThSIce=T.
540      - option to correct ocean fresh-water flux for imbalance of Atmos+Land
541        fresh-water flux: uniform correction or proportional to local precip.
542    o pkg/ctrl:
543      - new header file CTRL_SIZE.h for parameters maxCtrlArr2D, maxCtrlArr3D
544      - redefine CPP option ALLOW_BOTTOMDRAG_CONTROL to
545                            ALLOW_BOTTOMDRAG_CONTROL_NONGENERIC
546      - verification/hs94.1x64x5/ tests ALLOW_GENARR{2D,3D}_CONTROL
547    
548    checkpoint63q (2012/07/30)
549    o pkg/autodiff:
550      note about monitor and snap-shot of ad-variables:
551      a) need to apply ADEXCH before monitor or output of ad-vars to include
552       overlap contributions (was done for adjDump but missing for monitor).
553      b) since ADEXCH implies adding overlap values to interior array, machine
554       truncation error is expected when adding an ADEXCH call in the middle of
555       the time-stepping (although mathematically identical).
556      modifs:
557      - fix some incorrect type (RL/RS, UV/scalar) in ADEXCH calls and ad-vars
558        declaration (adEddyPsiX,adEddyPsiY in adcommon.h).
559      - add new run-time params (dumpAdVarExch & mon_AdVarExch) to select how  to
560        apply ADEXCH before monitor or snap-shot of ad-variables:
561           =0 : no ADEXCH ; =1 : do ADEXCH ; =2 : apply ADEXCH on a local copy.
562      - implement new method (copy+adexch) for snap-shot and monitor of main model
563        ad-vars (initially not used by default -> output unchanged).
564      - change default (set to 2) to use new method and update few output_adm.txt
565        with accurate ad-monitor (global_ocean.90x40x15, tutorial_global_oce_biogeo
566        and both tutorial_tracer_adjsens tests).
567      - switch 2 global_ocean.cs32x15 AD-tests to AB-2 (seaice_dynmix & thsice)
568        and turn off momDissip_In_AB in the 2 other (needed for stable AB-3).
569    o pkg/ctrl:
570      enable the use of a variable number (maxCtrlArr2D, maxCtrlArr3D) of
571      generic control variables via
572      #define ALLOW_GENARR2D_CONTROL and/or #define ALLOW_GENARR3D_CONTROL
573      Only required customization should be S/R ctrl_map_ini_genarr.F
574      (routine in repository contains example)
575    o pkg/exf:
576      - fix and refine checking of surface-relaxation setting when using EXF
577    o verification (adjoint exp):
578      - reduce length of simulation by half for experiment global_ocean.cs32x15
579        (std, seaice & seaice_dynmix) and exp tutorial_dic_adjoffline; update output.
580    o pkg/mom_common (mom_u/v_bottomdrag), pkg/shelfice (shelfice_u/v_drag)
581      - replace if statements KE.ne.0 with KE.gt.0 to avoid sqrt of negative numbers
582        of KE that can occur with aggressive optimization
583      + put quadratic bottom drag calculation in separated loops (only done if
584        using bottomDragQuadratic)
585    o model/src: CG2D_NSA
586      - clean-up:  stop if cg2dNormaliseRHS=T and AUTODIFF
587         and replace GLOBAL_SUM calls with GLOBAL_SUM_TILE.
588      - in test-exp that uses CG2D_NSA (bottom_ctrl & tutorial_tracer_adjsens),
589         change cg2d residual target to be expressed in Wunits (=> do not normalise
590         RHS ; this fix global_max Pb with TAF); update output.
591    o verification/tutorial_tracer_adjsens:
592       improve parameter consistency (and get rid of warnings):
593       - use deltaTFreeSurf=deltaTtracer (better with NonLin FreeSurf);
594       - switch Temp Adv Scheme from 81 to 80 (no limiter since theta < 0 is physical)
595       - use staggerTimeStep (for stability) in som81; use default rotation period.
596    o pkg/exch2:
597      - with empty facet: fix compact-format (W2_mapIO=1) definition (was previously
598        reset to 0 = 1 long line in X)
599    o pkg/mdsio:
600      - fix reading of dimensions from meta file for large-size domain
601    o model/src:
602      - fix saltIsActiveTr setting for IdealGas eosType (eosType is 6 character long);
603      - to refine CS-grid check, add logical flag "hasWetCSCorners": true if using
604        Cubed-Sphere Exch with CS-corners inside the domain;
605        make new S/R INI_GLOBAL_DOMAIN from code in ini_linear_phisurf.F to calculate
606        globalArea and to set hasWetCSCorners.
607      - add warning if usingCurvilinearGrid and momAdvection in flux-form (missing
608        metric terms); stop if hasWetCSCorners=T and momAdvection in flux-form.
609      - re-activate the stop if useCDscheme and hasWetCSCorners=T (previously if
610        useCDscheme and useCubedSphereExchange).
611    o pkg/seaice/seaice_growth.F :
612      - compute the SEAICE_DISABLE_HEATCONSFIX term accordingly
613        for the (.NOT.useRealFreshWaterFlux).OR.(nonlinFreeSurf.EQ.0)
614        when the previous code was not correct.
615      - in all cases diagnoze the boundary condition mismatch to SIaaflux
616      - in the case of useRealFreshWaterFlux.AND.(nonlinFreeSurf.GT.0) add
617        that term to QNET (essentially to set the melt/freeze water to 0degC).
618        when SEAICEheatConsFix is true, so that the ocean+ice budget heat is closed.
619    o verification/global_ocean.cs32x15/input.seaice :
620      - add SEAICEheatConsFix in data.seaice, ensuring closed ocean+ice heat budget.
621      - add diagnostics (commented out) for budget test using my matlab codes (gcmfaces).
622      - update results (output.seaice.txt) accordingly.
623    o verification/lab_sea/input/data.seaice :
624      - remove SEAICEheatConsFix, which is now be tested
625        in global_ocean.cs32x15. The presently coded fix
626        is only consistent with real fresh water + nlfs.
627      - update results (output.txt) accordingly.
628    o pkg/salt_plume: added diagnotic for salt tendency (oceSPtnd).
629    o AD_CONFIG.h file:
630      - in genmake2: remove "#undef ALLOW_ECCO_OPTIMIZATION" from AD_CONFIG.h;
631      - remove #include "AD_CONFIG.h" from all included OPTIONS files and
632        add it explicitly in each fortran src file where it is needed.
633        motivation: header file AD_CONFIG.h is generated/modified after "make depend"
634        thus introducing potentially wrong dependency; therefore, better to include
635        it only where it's really needed, and after any other included OPTIONS file
636        (less tempting to bring conditional includes according to ALLOW_ADJOINT_RUN
637        or ALLOW_TANGENTLINEAR_RUN).
638    
639    checkpoint63p (2012/07/06)
640    o pkg/autodiff:
641      - rename S/R INI_AUTODIFF to AUTODIFF_INIT_VARIA ;
642      - create new header file "AUTODIFF_PARAMS.h" for pkg/autodiff parameters
643        which are now read from new parameter file "data.autodiff" (inAdExact
644        previously in "data", use{KPP/GMRedi/SEAICE}inAdMode previously in data.pkg)
645      - add file "data.autodiff" in all verification/*/input_ad/ directories.
646      - add run-time parameter to turn On/Off SEAICEuseFREEDRIFT in adjoint/forward
647        mode (used in global_ocean.cs32x15.seaice_dynmix test exp.)
648    o verification/tutorial_tracer_adjsens/
649      - add extra sub-verification which uses "SOM" advection scheme
650        (2nd Order-Moment Advection Scheme, Prather Limiter) with
651          #define GAD_ALLOW_TS_SOM_ADV in GAD_OPTIONS.h
652        and in data:
653          multiDimAdvection=.TRUE.,
654          tempAdvScheme=81,
655          saltAdvScheme=81,
656    o model/src:
657      - introduce ALLOW_BALANCE_RELAX which allow the removal
658       of the global mean of relaxation terms by setting
659       balanceThetaClimRelax and balanceSaltClimRelax
660      - disable balanceEmPmR and balanceQnet in the case when useSeaice.
661       This case is now treated appropriately in seaice_growth.F
662    o pkg/seaice:
663      - do balanceEmPmR and balanceQnet based on the net fluxes
664        (SItflux) that enter the ocean+ice system rather than QNET
665        and EMPMR. Works best in real fresh water.
666      - SIatmFW, SIatmQnet, and SItflux computations had to be moved
667        out of the diagnotics bloc, and stored in global arrays.
668    
669    checkpoint63o (2012/06/29)
670    o vertical mixing schemes:
671      - remove unused S/R CALC_BUOYANCY (left from branch-atmos merging)
672      - replace computation of density (in Function STATE1, opps_calc.F) by a call
673        to S/R FIND_RHO_SCALAR
674      - pass sigmaR to S/R PP81_CALC, MY82_CALC (but not yet used) and to GGL90_CALC
675        and use it for N^2 calculation in ggl90_calc.F (save 2 density computations);
676        affects output (vermix.ggl90) at truncation level.
677    o testreport:
678      - change adjustment of SIZE.h for mpi+mth testing: preserve enough tiles
679        (nSx,nSy) for the number of threads (from eedata.mth)
680    o model/src:
681      - remove 2nd set of calls at the top of initialise_varia.F (Adjoint part)
682        related to Non_Lin Free-Surf or Bottom-Control (but not longer necessary).
683  o verification/tutorial_tracer_adjsens/  o verification/tutorial_tracer_adjsens/
684    - compile with ALLOW_CG2D_NSA    - compile with ALLOW_CG2D_NSA
685    - run with nonlinFreeSurf=3    - run with nonlinFreeSurf=3

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