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revision 1.1725 by gforget, Tue Aug 28 19:44:16 2012 UTC revision 1.1762 by mlosch, Wed Nov 7 09:59:57 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 pkg/seaice:
8      - improve I/O of diagnostics of JFNK in seaice_jfnk.F:
9        + add (SEAICE.h) and rename some counters (initiliased in
10          seaice_init_fixed.F)
11        + add _BEGIN/END_MASTER (myThid)  around print statements
12        + print total number of iterations and failures over SEAICE_monFreq
13          interval to STDOUT
14      - move control over output-messages by fgmres to seaice_jfnk to save
15        some operations
16      - move resetting initial guess for fgmres outside of seaice_fgmres_driver
17        in order to make restarts with sol .ne. zero (fgmres with restarts)
18        (seaice_jfnk.F, seaice_fgmres.F)
19      - seaice_calc_l/rhs.F: replace maskW/S by maskInW/S; this fixes
20        a serious convergence problem when open boundaries are involved
21    o pkg/ggl90: fix computation of control volumes for the case of
22      ALLOW_GGL90_HORIZDIFF (probably not used very often): move control volumes
23      up half a grid cell from C-centered to W-centered (pointed out by C. Eden)
24    o pkg/seaice: simplify seaice_evp by avoiding use of extra fields u/vIceC
25    o pkg/autodiff
26      - Add inAdMode switch for SEAICEuseDYNAMICS:
27        SEAICEuseDYNAMICSinAdMode
28        (extend logic in ADAUTODIFF_INADMODE_SET)
29    o pkg/seaice
30      - Step 1 of merging ice-thickness distribution (ITD) code from
31        MITgcm_contrib/torge/itd/ (author: Torge Martin)
32        The code implements concept laid out in Thorndike et al. (1975);
33        code is enabled via CPP flag SEAICE_ITD
34        nITD (in SEAICE_SIZE.h) defines number of ice thickness categories;
35        code is not complete yet!!
36      - SEAICE_SIZE.h now included in almost all seaice routines
37    o verification (using seaice):
38      - switch back seaice-dynamics (+ lower SOLV_MAX_ITERS) in ADM exp.
39        global_ocean.cs32x15.seaice ; update results.
40      - compile B-grid dynamics in FW test exp 1D_ocean_ice_column ;
41      - compile C-grid dynamics with #define SEAICE_ALLOW_JFNK in FW test exp
42        offline_exf_seaice (previously compiling B-grid).
43    o pkg/exf:
44      - fix some STOP conditions in exf_check.F (from Aug 28, modifs did not allow
45        to specify neither just 1 comp of wind or wind-stress, nor no surface momentum
46        forcing): just replace CPP option ALLOW_ATM_WIND with run-time param useAtmWind.
47    o pkg/layers (adjust changes from Sept 19):
48      - do snap-shot output and fill diagnostics from inside iLa loop (layers_calc.F)
49        this allows to remove "layers_maxNum" dimension from all layers arrays.
50    o pkg/layers (adjust changes from Sept 19):
51      - remove ALLOW_LAYERS_OUTPUT ; fix snap-shot and time-ave output ;
52      - snap-shot extended to all type of layers (not just the 1rst type);
53      - remove layers variables when corresponding CPP option is undef.
54    o pkg/layers:
55      - rename pkg/layers variable and add new output (layer exist & un-weighted
56        velocity in layer)
57    o pkg/seaice:
58      - simplify (?) ocean-drag coefficent computations by using
59        the same routine in all three solvers (saves some code lines)
60      - remove global fields DRAGA and DRAGS from C-grid code and
61        declare them locally in lsr.F (the only place where they are
62        still used)
63      - update AD output of lab_sea.evp (very sensitive anyway).
64    o pkg/seaice: add Jacobian-free Newton Krylov solver for ice dynamics
65      (Lemieux et al. 2010, 2012). Turn on with the usual SEAICE_ALLOW_JFNK
66      and SEAICEuseJFNK=.true. A few things to note:
67      - involves a FGMRES, that is parallel but very inefficient,
68        because of many scalar products (global sums) in the Gram-Schmidt
69        orthogonalization method. Needs to be replaced. Original code
70        from J.-F. Lemieux
71      - preconditioner for FGMRES is a stripped down version of LSOR
72      - SOLV_MAX_ITERS is now used for LSOR as a solver and as a
73        preconditioner. For the preconditioner, the default is set to 10.
74      - Jacobian times vector is computed with finite differences
75      - marginally related to JFNK-solver: add a smooth regularization for
76        zeta with tanh that will improve convergence (Lemieux and Tremblay,
77        2009) for any implicit solver (not implemented for EVP because EVP
78        does not need this regularization in the first place). Define
79        SEAICE_ZETA_SMOOTHREG in SEAICE_OPTIONS.h to use.
80    o eesupp/src:
81      - check in genmake2 that intrinsic S/R flush is available.
82      - add S/R to flush IO unit (if intrinsic S/R flush is available)
83      - flush standard & error msg unit before MPI termination
84      - if debugMode, flush IO unit after printing msg
85    o pkg/ctrl:
86      - ctrl_unpack.F, ALLOW_GENARR3D_CONTROL code: fix missing argument in call
87        to ctrl_set_unpack_xyz.
88    
89  o pkg/exf : added run time switch useAtmWind to replace ALLOW_ATM_WIND        checkpoint64 (2012/10/09)
90    cpp switch. ALLOW_ATM_WIND now just sets the useAtmWind default (see  o pkg/shelfice
91    exf_readparms.F) and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).    - in mom_fluxform.F, mom_vecinv.F:
92  o pkg/exf, autodiff, ctrl, ecco and seaice : remove ALLOW_ATM_WIND      CALL SHELFICE_V_DRAG(bi,bj,k,vFld,KE,KappaRU,vF,myThid)
93    brackets, or replace them with useAtmWind ones.      Bug fix KappaRU -> KappaRV
94  o pkg/ctrl, ecco : allow to compile both ALLOW_U/VSTRESS_CONTROL and      does not change verification/isomip but may change other setups
95    ALLOW_U/VWIND_CONTROL. Depending on useAtmWind, one is inactive,      (presumably constant KappaRU=KappaRV)
96    and the other is active (see exf_getffields.F/exf_getsurfacefluxes.F).    - fix diagnostics SHIU/Vdrag (thanks to Tom Millgate)
97    o pkg/obcs:
98      - fixed some indexing bugs in obcs_seaice_sponge.F
99      - added obcs relaxation subroutines for HSALT and HSNOW
100      - changes verification/seaice_obcs/results/obcs_seaice_sponge.F
101    o pkg/seaice:
102      - add "multicategory" parameterization for snow in analogy to ice,
103        default is off for now.
104    o pkg/obcs:
105      - added obcs_seaice_sponge.F for obcs relaxation of seaice variables;
106        see verification/seaice_obcs/input.seaiceSponge for example application.
107      - remove local commom bloc "OBCS_GLOBAL" in obcs_readparms.F and do all the OB
108        index setting by master-thread. This fix multi-threads Pb in previous modifs.
109    o pkg/layers :
110      - add diagnostics to pkg/layers
111      - move the meat of pkg/layers from layers_calc.F to layers_fluxcalc.F
112        (from R.Tulloch). Layers_calc.F now calls layers_fluxcalc.F accordingly.
113    o pkg/generic_advdiff/gad_implicit_r.F :
114      - fix ADVr diagnostics in case of both implicit vertical advection and diffusion.
115    o pkg/seaice/seaice_growth.F:
116      - fix SItflux diagnostics in virtual salt flux + balanceEmpmr case.
117    o pkg/obcs:
118      - change default setting of OBCS_UVICE_OLD from defined to undef;
119      - use new parameter OB_indexNone for null index value (instead of hard-coded 0)
120        in all pkg/obcs code and in other pkgs; remove k loop in obcs_check_depths.F;
121      - pass OB_indexNone as (new) argument to S/R CTRL_MASK_SET_[X,Y]Z;
122      - change OB null index value (OB_indexNone) to -99 ; this fix the problem
123        with Southern & Western OB at a tile edge (at least in a simple set-up).
124    o pkg/obcs:
125      - change settings of OB index in case OB coincides with tile edge (shared by
126        2 tiles), so that common OB location is registered by both tiles (instead of
127        only 1). However, for Southern and Western OB, index value = 0 is not
128        recognized as valid OB index (=default null value) and needs to be fixed.
129      - modify accordingly OBCS_BALANCE_FLOW and OBCS_MONITOR (avoid double counting)
130      - new parameter "OB_indexNone" for null index value (for now, still zero)
131        to replace hard-coded null index value of zero.
132    o pkg/exch2:
133      - improve W2_USE_E2_SAFEMODE (faster) and W2_E2_DEBUG_ON:
134        always check buffer-size (but outside the loop); move checking for valid
135        index from W2_USE_E2_SAFEMODE to W2_E2_DEBUG_ON; in W2_E2_DEBUG_ON,
136        print each tile and point connection only if |W2_printMsg|>= 2 and 3.
137    o pkg/ctrl (pack & unpack):
138      - in ctrl_pack.F & ctrl_unpack.F, use the same local file-name variable
139        (locally defined) for different variables (+ remove the variable-specific
140        file name in CTRL_GENARR.h). For now, only implemented for GENARR2/3D_CONTROL
141        (to be extended to other local file names in ctrl.h).
142    o pkg/flt:
143      - add a FLT_Iter0 option (similar to PTRACERS_Iter0).
144    o pkg/mdsio:
145      - fix missing STOP in mdsio_readvec_loc.F (case ioUnit=0) when file is missing
146    o tools/genmake2:
147      - add similar dependences for target EXE_AD & EXE_FTL as we have for EXECUTABLE
148        (added by Alistair in version 1.51 for building without make depend);
149      - remove Header files list (H_SRC_FILES) from the dependence of targets
150         ad_input_code.f & ftl_input_code.f (not clear why it was added in the first
151        place in version 1.23): this save going through staf when unrelated header
152        file has been modified.
153       Note: for an intermediate target (e.g., ad_input_code.f or adtaf) without
154        "make depend" step, still need to do "make links" before "make adtaf".
155    o eesupp/src (+ few pkg src files) & genmake2:
156      - finish to remove ALWAYS_USE_MPI in source code that TAF does not see;
157      - no longer set ALWAYS_USE_MPI in Makefile (was done by genmake2).
158      - improve genmake2 checking for ALLOW_${PKG} in CPP_OPTIONS.h files (distinguish
159         upper/lower case ; account for space between "#" and undef/define)
160    o pkg/flt (with exch2):
161      - cleaning: fix so that it compiles; move remaining MPI calls out of flt_exch2.F;
162      - simplify threads synchronisation; fix (many issues) multi-threaded with MPI.
163    
164    checkpoint63s (2012/09/05)
165    o pkg/ecco:
166      - remove #ifdef ALLOW_SMOOTH_CORREL3D brackets.
167      - add more relevant #ifdef ALLOW_SMOOTH ones.
168      - sort out useAtmWind, useSMOOTH, ctrlSmoothCorrel2D.
169    o pkg/ctrl:
170      - CTRL_OPTIONS.h : document CPPs related to smoothing; ALLOW_SMOOTH_CORREL2D/3D,
171        ALLOW_CTRL_SMOOTH, ALLOW_SMOOTH_CTRL2D, ALLOW_SMOOTH_CTRL3D.
172      - ctrl.h : document run time params doInitXX, doMainPack, doMainUnpack, doPackDiag,
173        doSinglePrecTapelev (audodiff param!), ctrlSmoothCorrel2D (new) and
174        ctrlSmoothCorrel3D (new).
175        The added ctrlSmoothCorrel2D/3D replace the old ALLOW_SMOOTH_CORREL2D/3D CPP.
176      - ctrl_readparms.F : initialise ctrlSmoothCorrel2D/3D and read from namelist.
177      - ctrl_init.F ctrl_pack.F ctrl_unpack.F : switch off ustress/vstress
178        controls when useAtmWind, and vice versa.
179      - ctrl_map_ini_ecco.F : UVEL0, VVEL0, edtaux, edtauy cannot be smoothed as tracers.
180      - ctrl_get_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL2D with
181          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel2D, IF useSMOOTH.
182      - ctrl_map_ini_gen.F : replace #ifdef ALLOW_SMOOTH_CORREL3D with
183          #ifdef ALLOW_SMOOTH, IF ctrlSmoothCorrel3D, IF useSMOOTH.
184      - ctrl_set_pack_xy[z].F, ctrl_set_unpack_xy[z].F:
185        replace ALLOW_SMOOTH_CORREL2D/3D brackets with ctrlSmoothCorrel2D/3D.
186    o pkg/smooth:
187      - remove un-necessary includes.
188      - remove ALLOW_SMOOTH*D and ALLOW_SMOOTH_CORREL*D brakets.
189        Those CPP options were never defined, and not necessary.
190    o model/src:
191      - fix CPP brackets in ini_mixing.F (GM_background_K belongs to gmredi).
192      - standard treatment of useSMOOTH.
193    o pkg/autodiff:
194      - add LOGICAL useGGL90inAdMode, useGGL90inFwdMode, useSALT_PLUMEinAdMode,
195        useSALT_PLUMEInFwdMode allowing to switch off ggl90 and salt_plume adjoint.
196    o pkg/exch2:
197      - add "if usingMPI" where it was missing (in exch2_rx?_cube*.template)
198        + start to remove ALWAYS_USE_MPI in source code that TAF does not see.
199      - make new S/R W2_MAP_PROCS out of w2_eeboot.F to setup exch2 CommonFlag
200        and tiles to process mapping.
201      - re-arrange 3 header files (W2_EXCH2_PARAMS.h, _BUFFER.h & _TOPOLOGY.h)
202        moving /EXCH2_FILLVAL_RX/ & /W2_EXCH2_COMMFLAG/ to W2_EXCH2_TOPOLOGY.h;
203        rename "exch2_tProc" to "W2_tileProc" and move seting of e2FillValue_RX
204        from w2_eeboot.F to w2_readparms.F.
205    o eesupp/src:
206      - set exchNeedsMemsync & exchUsesBarrier according to "usingMPI" (instead of
207        ALWAYS_USE_MPI) + moved from ini_communication_patterns.F to eeset_parms.F;
208        also move setting of exchCollectStatistics from exch_init.F to eeset_parms.F
209      - in eedie.F and all_proc_die.F, always call MPI_FINALIZE when ALLOW_USE_MPI
210        is defined (remove condition on usingMPI) to match cases where MPI_INIT
211        has been called.
212      - fix bug I put in previous modif of exch_sm_3d_rx.template (not much used);
213      - change default (non-MPI) value of myPid (from 1 to 0) to match MPI settings
214        (so that on 1 proc, get same myPid independently of usingMPI)
215      - add a stop if multi-procs but usingMPI=F ; stop also if usingMPI=T and
216        useCubedSphereExchange with EXCH-1 (safer).
217      - add "if usingMPI" where it was missing (+ start to remove ALWAYS_USE_MPI).
218    o pkg/ggl90:
219      - fix bug in filling corner mask array "mskCor" (FILL_CS_CORNER_TR_RL call)
220        used in ALLOW_GGL90_SMOOTH code.
221    o pkg/flt:
222      - fix typo in FLT_WITHOUT_Y_PERIODICITY (the effect was to ignore stopping
223        floats at the Southern end of the domain).
224    o eesupp/inc:
225      - add a list of CPP-options which can be set by Makefile (DEF_IN_MAKEFILE.h);
226        but not used (and not to be used) anywhere, just for documentation.
227    o pkg/autodiff, exf, ptracers & seaice (AD & TL output):
228      - comment out the very nasty "writeBinaryPrec = writeStatePrec" line, since:
229        a) can damage previously written records in any other multi-record files.
230        b) if needed, can easily do it cleanly, by calling S/R WRITE_REC_3D_RL/S.
231    o tools/genmake2:
232      - define variable MAKE within Makefile and use it in place of 'make';
233      - update AD_CONFIG.h (if needed) before building any of the executable
234        (forward, adjoint or tangent-lin); this involves a 2nd invocation of make;
235        and add the usual #ifndef/#define AD_CONFIG_H in AD_CONFIG.h;
236      - always print usual warning comment 'this file is automatically generated'
237        from script convert_cpp_cmd2defines (+ remove this warning from genmake2).
238    o pkg/cheapaml:
239      - updated to correspond to the code used in accepted paper (Nico Wienders).
240    o pkg/exf:
241        added run time switch useAtmWind to replace ALLOW_ATM_WIND cpp switch.
242        ALLOW_ATM_WIND now just sets the useAtmWind default (see exf_readparms.F)
243        and force defines ALLOW_BULKFORMULAE (EXF_OPTIONS.h).
244    o pkg/exf, autodiff, ctrl, ecco and seaice:
245        remove ALLOW_ATM_WIND brackets, or replace them with useAtmWind ones.
246    o pkg/ctrl, ecco:
247        allow to compile both ALLOW_U/VSTRESS_CONTROL and ALLOW_U/VWIND_CONTROL.
248        Depending on useAtmWind, one is inactive, and the other is active (see
249        exf_getffields.F/exf_getsurfacefluxes.F).
250  o tools/genmake2:  o tools/genmake2:
251    - improve error msg when failing in 2nd test of check_for_broken_Ff    - improve error msg when failing in 2nd test of check_for_broken_Ff
252    - fix option '-makefile' short-name (-mf according to genmake2 -help)    - fix option '-makefile' short-name (-mf according to genmake2 -help)

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