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revision 1.1726 by jmc, Tue Aug 28 21:13:08 2012 UTC revision 1.1766 by jmc, Sat Nov 10 00:16:11 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 model/src:
8      - move AddMass common block from DYNVARS.h to FFIELDS.h; allow to read-in
9        time-constant addMass field from file (addMassFile);
10      - support for heating due to friction (and Kinetic Energy dissipation):
11        add option, run-time switch and 3-D field array + support code ; each pkg
12        or S/R can add heating contribution (if there is a sink of KE); the sum is
13        accounted for as a Temperature tendency term (EXTERNAL_FORCING_T).
14    o pkg/seaice:
15      - complete merge of ITD code into seaice_growth.F
16        from MITgcm_contrib/torge/itd/code/
17        no verification so far, but Torge Martin tested
18        "1-D test case and Beaufort set up;
19        deliver okay results after 1 model year."
20      - complete merge of SEAICE_SIZE.h into all relevant routines
21      - move computation of eta at Z-points into calc_viscosities
22        + introduce global field etaZ
23        + add different methods for computing etaZ, for now the old
24          method (simple averages of eta to Z-points) is hardwired
25        + replace etaMeanZ by etaZ in seaice_lsr, seaice_calc_residual,
26          seaice_preconditioner
27      - simplify computations for SEAICE_ZETA_SMOOTHREG
28      - seaice_preconditioner:
29        + replace one remaining press by pressLoc (mistake)
30        + adjust printing of residuals
31      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
32        + add (SEAICE.h) and rename some counters (initiliased in
33          seaice_init_fixed.F)
34        + add _BEGIN/END_MASTER (myThid)  around print statements
35        + print total number of iterations and failures over SEAICE_monFreq
36          interval to STDOUT
37      - move control over output-messages by fgmres to seaice_jfnk to save
38        some operations
39      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
40        in order to make restarts with sol .ne. zero (fgmres with restarts)
41        (seaice_jfnk.F, seaice_fgmres.F)
42      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
43        a serious convergence problem when open boundaries are involved
44    o pkg/ggl90: fix computation of control volumes for the case of
45      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
46      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
47    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
48    o pkg/autodiff
49      - Add inAdMode switch for SEAICEuseDYNAMICS:
50        SEAICEuseDYNAMICSinAdMode
51        (extend logic in ADAUTODIFF_INADMODE_SET)
52    o pkg/seaice
53      - Step 1 of merging ice-thickness distribution (ITD) code from
54        MITgcm_contrib/torge/itd/ (author: Torge Martin)
55        The code implements concept laid out in Thorndike et al. (1975);
56        code is enabled via CPP flag SEAICE_ITD
57        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
58        code is not complete yet!!
59      - SEAICE_SIZE.h now included in almost all seaice routines
60    o verification (using seaice):
61      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
62        global_ocean.cs32x15.seaice ; update results.
63      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
64      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
65        offline_exf_seaice (previously compiling B-grid).
66    o pkg/exf:
67      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
68        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
69        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
70    o pkg/layers (adjust changes from Sept 19):
71      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
72        this allows to remove "layers_maxNum" dimension from all layers arrays.
73    o pkg/layers (adjust changes from Sept 19):
74      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
75      - snap-shot extended to all type of layers (not just the 1rst type);
76      - remove layers variables when corresponding CPP option is undef.
77    o pkg/layers:
78      - rename pkg/layers variable and add new output (layer exist & un-weighted
79        velocity in layer)
80    o pkg/seaice:
81      - simplify (?) ocean-drag coefficent computations by using
82        the same routine in all three solvers (saves some code lines)
83      - remove global fields DRAGA and DRAGS from C-grid code and
84        declare them locally in lsr.F (the only place where they are
85        still used)
86      - update AD output of lab_sea.evp (very sensitive anyway).
87    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
88      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
89      and SEAICEuseJFNK=.true. A few things to note:
90      - involves a FGMRES, that is parallel but very inefficient,
91        because of many scalar products (global sums) in the Gram-Schmidt
92        orthogonalization method. Needs to be replaced. Original code
93        from J.-F. Lemieux
94      - preconditioner for FGMRES is a stripped down version of LSOR
95      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
96        preconditioner. For the preconditioner, the default is set to 10.
97      - Jacobian times vector is computed with finite differences
98      - marginally related to JFNK-solver: add a smooth regularization for
99        zeta with tanh that will improve convergence (Lemieux and Tremblay,
100        2009) for any implicit solver (not implemented for EVP because EVP
101        does not need this regularization in the first place). Define
102        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
103    o eesupp/src:
104      - check in genmake2 that intrinsic S/R flush is available.
105      - add S/R to flush IO unit (if intrinsic S/R flush is available)
106      - flush standard & error msg unit before MPI termination
107      - if debugMode, flush IO unit after printing msg
108    o pkg/ctrl:
109      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
110        to ctrl_set_unpack_xyz.
111    
112    checkpoint64 (2012/10/09)
113    o pkg/shelfice
114      - in mom_fluxform.F, mom_vecinv.F:
115        CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
116        Bug fix KappaRU -> KappaRV
117        does not change verification/isomip but may change other setups
118        (presumably constant KappaRU=KappaRV)
119      - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
120    o pkg/obcs:
121      - fixed some indexing bugs in obcs_seaice_sponge.F
122      - added obcs relaxation subroutines for HSALT and HSNOW
123      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
124    o pkg/seaice:
125      - add "multicategory" parameterization for snow in analogy to ice,
126        default is off for now.
127    o pkg/obcs:
128      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
129        see verification/seaice_obcs/input.seaiceSponge for example application.
130      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
131        index setting by master-thread. This fix multi-threads Pb in previous modifs.
132    o pkg/layers :
133      - add diagnostics to pkg/layers
134      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
135        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
136    o pkg/generic_advdiff/gad_implicit_r.F :
137      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
138    o pkg/seaice/seaice_growth.F:
139      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
140    o pkg/obcs:
141      - change default setting of OBCS_UVICE_OLD from defined to undef;
142      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
143        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
144      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
145      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
146        with Southern & Western OB at a tile edge (at least in a simple set-up).
147    o pkg/obcs:
148      - change settings of OB index in case OB coincides with tile edge (shared by
149        2 tiles), so that common OB location is registered by both tiles (instead of
150        only 1). However, for Southern and Western OB, index value = 0 is not
151        recognized as valid OB index (=default null value) and needs to be fixed.
152      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
153      - new parameter "OB_indexNone" for null index value (for now, still zero)
154        to replace hard-coded null index value of zero.
155    o pkg/exch2:
156      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
157        always check buffer-size (but outside the loop); move checking for valid
158        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
159        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
160    o pkg/ctrl (pack & unpack):
161      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
162        (locally defined) for different variables (+ remove the variable-specific
163        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
164        (to be extended to other local file names in ctrl.h).
165    o pkg/flt:
166      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
167    o pkg/mdsio:
168      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
169    o tools/genmake2:
170      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
171        (added by Alistair in version 1.51 for building without make depend);
172      - remove Header files list (H_SRC_FILES) from the dependence of targets
173         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
174        place in version 1.23): this save going through staf when unrelated header
175        file has been modified.
176       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
177        "make depend" step, still need to do "make links" before "make adtaf".
178    o eesupp/src (+ few pkg src files) & genmake2:
179      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
180      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
181      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
182         upper/lower case ; account for space between "#" and undef/define)
183    o pkg/flt (with exch2):
184      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
185      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
186    
187    checkpoint63s (2012/09/05)
188    o pkg/ecco:
189      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
190      - add more relevant #ifdef ALLOW_SMOOTH ones.
191      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
192    o pkg/ctrl:
193      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
194        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
195      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
196        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
197        ctrlSmoothCorrel3D (new).
198        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
199      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
200      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
201        controls when useAtmWind, and vice versa.
202      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
203      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
204          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
205      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
206          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
207      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
208        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
209    o pkg/smooth:
210      - remove un-necessary includes.
211      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
212        Those CPP options were never defined, and not necessary.
213    o model/src:
214      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
215      - standard treatment of useSMOOTH.
216    o pkg/autodiff:
217      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
218        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
219    o pkg/exch2:
220      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
221        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
222      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
223        and tiles to process mapping.
224      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
225        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
226        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
227        from w2_eeboot.F to w2_readparms.F.
228    o eesupp/src:
229      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
230        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
231        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
232      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
233        is defined (remove condition on usingMPI) to match cases where MPI_INIT
234        has been called.
235      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
236      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
237        (so that on 1 proc, get same myPid independently of usingMPI)
238      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
239        useCubedSphereExchange with EXCH-1 (safer).
240      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
241    o pkg/ggl90:
242      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
243        used in ALLOW_GGL90_SMOOTH code.
244    o pkg/flt:
245      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
246        floats at the Southern end of the domain).
247    o eesupp/inc:
248      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
249        but not used (and not to be used) anywhere, just for documentation.
250    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
251      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
252        a) can damage previously written records in any other multi-record files.
253        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
254  o tools/genmake2:  o tools/genmake2:
255    - define variable MAKE within Makefile and use it in place of 'make';    - define variable MAKE within Makefile and use it in place of 'make';
256    - update AD_CONFIG.h (if needed) before building any of the executable    - update AD_CONFIG.h (if needed) before building any of the executable
# Line 11  o tools/genmake2: Line 258  o tools/genmake2:
258      and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;      and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
259    - always print usual warning comment 'this file is automatically generated'    - always print usual warning comment 'this file is automatically generated'
260      from script convert_cpp_cmd2defines (+ remove this warning from genmake2).      from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
261    o pkg/cheapaml:
262      - updated to correspond to the code used in accepted paper (Nico Wienders).
263  o pkg/exf:  o pkg/exf:
264      added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.      added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
265      ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)      ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)

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