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revision 1.1596 by gforget, Mon Feb 13 23:45:41 2012 UTC revision 1.1642 by jmc, Tue Apr 3 02:41:22 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 :  o model/src:
8    - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula.EQ.    - start to implement clean wait to stop in initialization S/R (config_check.F,
9    1 or 2, using newly added run time parameter SEAICE_availHeatTaper.       packages_check.F and pkg/obcs/obcs_check.F + pkg/mypackage)
10    o folowing PRINT_MESSAGE changes:
11      - remove reminder multiple print to the same file (STDOUT) when multi-threads.
12    o pkg/bbl:
13      - modification so it can work with z*
14      - replace deltaT with dTtracerLev(k) for asynchronous time stepping
15      - global_with_exf/input.yearly verification; changes output.yearly.txt
16    o eesupp/src:
17      - PRINT_MESSAGE: use OpenMP critical instruction (similar to PRINT_ERROR);
18        writing to unit 0 (if unit=errorMessageUnit) extended to the case myThid=1
19      - CHECK_THREADS: specific code if using OpenMP threading: improve checking of
20        # of threads across processors (e.g., different env OMP_NUM_THREADS setting)
21      - improve special preliminary call to EESET_PARMS (if eedata is read 2 times).
22      - when using MPI, always set usingMPI=T ; set default accordingly and stop
23        if not consistent.
24      - ALL_PROC_DIE: add a BARRIER after MPI_FINALIZE call ; skip this when thread
25        argument is zero (in case called within single-thread section).
26    o pkg/fizhi:
27        clean-up turbulence cold-start switch: decided in fizhi_init_vars.F, stored
28        in common bloc (fizhi_coms.h) and then passed as argument up to S/R TURBIO.
29    o pkg/exch2:
30      - add argument "updateCorners" to S/R exch2_get_uv_bounds (enable to
31        activate EXCH_IGNORE_CORNERS in vector EXCH S/R).
32      - switch 1rst EXCH call to IGNORE_CORNERS (instead of UPDATE_CORNERS)
33        but keep the 2nd with UPDATE_CORNERS: this prevents overwriting good data
34        with bad ones coming from a not-yet-updated halo.
35        This should fix the problem when sNx <> sNy and GCD(sNx,sNy) < 2*Olx.
36    o pkg/frazil:
37        move FrzForcT diag from frazil_diagnostics_state.F to frazil_calc_rhs.F
38        http://mitgcm.org/pipermail/mitgcm-devel/2012-March/005384.html
39    o model/src/config_check.F: add a check for OLx>sNx/OLy>sNy
40    o verification/lab_sea
41      * #undef SEAICE_EXCLUDE_FOR_EXACT_AD_TESTING
42      * #define ALLOW_SST_CONTROL & ALLOW_SST_CONTROL
43      * nTimeSteps 3 -> 4
44      * changed reference output accordingly
45    o pkg/ctrl:
46      * fix ctrl_get_gen for xx_sst, xx_sss
47    o pkg/fizhi:
48      - fix 2 calls to S/R GRD2MSC (argument igrd) in update_earth_exports.F
49        update results of exp. fizhi-cs-32x32x40 (fail with only 6 digits for cg2d)
50      - by default, use new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE);
51        fix few out-of-bounds indices in referencing vars (initialise igrd to 1);
52        clean-up fizhi_turb.F (remove unused & uninitialised qdiaglsm array).
53    o pkg/gmredi:
54      - add diagnostic of Redi (main diagnonal) vertical diffusive flux of Temp
55    o pkg/fizhi:
56      - fix few initialisation and multi-tile Pb: aqualev & gridalt now pass the
57        (old)aces open64 tuv test.
58    o pkg/icefront: fix bug and reorder loop in icefront_init_varia.F
59    o pkg/mom_vecinv:
60      - fix 1 loop range in mom_vecinv.F to be like all the other loops which
61        set/update gu,gv/Diss (fix Pb of uninitialised fVerUkp in admom_vecinv
62        with non-lin free-surf).
63    o model/src: move k-loop outside of i/j-loops when (re-)computing R_low
64      in ini/update_masks_etc.F in order to avoid -O3 optimization problems with
65      some compilers (gfortran 4.6.0 on MacOS)
66    o momentum:
67      - separate fVer?(:,:,kUp) & fVer?(:,:,kDown) in argument list of MOM_FLUXFORM
68        & MOM_VECINV subroutines (to help TAF). This fixes Pb of uninitialised
69        fVer?(kUp) in admom_fluxform with non-lin free-surf or bottom control.
70    
71    checkpoint63k (2012/03/17)
72    o model/src:
73       - selectAddFluid (ALLOW_ADDFLUID): add missing term in horizontal momentum
74         flux-form (mom_fluxform.F) and vertical momentum (calc_gw.F) equations.
75       - SOLVE_DIAGONAL: switch default to use adjoinable & vectorized version
76         (#undef SOLVE_DIAGONAL_LOWMEMORY); update output of exp. front_relax.bvp.
77    o model/src: solve_*diagonal.F
78       - replace division with multiplication by inverse (similar to original version)
79         update output of AD exp. global_ocean.90x40x15.
80       - fix pkg/gmredi/gmredi_calc_psi_bvp.F & pkg/ggl90/ggl90_calc.F
81         to enable the use of the vectorized & differentiable solve_tridiagonal.F
82       - test exp. global_ocean.90x40x15/input_ad: switch to advection scheme 20 for
83         vertical advection (to get solve_tridiagonal tested in AD mode).
84    o pkg/seaice: ECCO-CLIVAR merge:
85      1. seaice AREA relaxation
86         * CPP option: SEAICE_ALLOW_AREA_RELAXATION
87         * runtime flag: SEAICE_tauAreaObsRelax
88      2. modified global mean cost imbalance code: CPP option
89          ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION
90    o another iteration on solve_*diagonal.F
91       Make choices independent of AUTODIFF
92       Default will be the adjoinable vectorized version.
93       Alternative choices are:
94       * non-adjoinable original version with low memory footprint:
95         #define SOLVE_DIAGONAL_LOWMEMORY
96       * still adjoinable but does not vectorize (k as inner-most loop):
97         #define SOLVE_DIAGONAL_KINNER (keeping SOLVE_DIAGONAL_LOWMEMORY undef)
98    o testreport
99     - add option to use a home made wrapper around "make"
100     - remove MITGCM_IEEE env. variable (no longer active)
101    o pkg/shelfice
102     - improve computation of friction velocity for velocity dependent
103       exchange coefficients: include velocities into SHELFICEBoundaryLayer
104       block to average velocities vertically
105     - add TAF store directives for SHI_ALLOW_GAMMAFRICT
106    o Modify diagonal solvers, now three versions (upon request):
107      #ifndef SOLVE_DIAGONAL_AUTODIFF
108        1. default version (dating back a while ago)
109      #else /* def SOLVE_DIAGONAL_AUTODIFF */
110      # ifdef SOLVE_DIAGONAL_KINNER
111        2. adjoinable version with k-innermost loop (G. Forget)
112      # else
113        3. adjoinable vectorized version of 2.
114      # endif
115      #endif /* SOLVE_DIAGONAL_AUTODIFF */
116      All flags are currently set within routines, but could/should be moved to CPP-options.
117      Array bounds for 1. are as before, for 2.,3. cover the entire domain
118      (could be changed for 1. too).
119    o verification/lab_sea (fwd):
120      - update the 4 fwd lab_sea test experiment: no longer SEAICE_GROWTH_LEGACY,
121        use 7 categories (except hb87), new solve4temp params (except salt_plume),
122        constant salinity (=4) or variable salinity (salt_plume) done through
123        SItracer.
124    o pkg/seaice:
125      - rename parameters: SIsalFrac to SEAICE_saltFrac & SIsal0 to SEAICE_salt0;
126      - remove old parameters ( SEAICE_freeze, SEAICEturbFluxFormula, SEAICE_gamma_t,
127         SEAICE_gamma_t_frz, SEAICE_availHeatTaper & SEAICE_availHeatFracFrz)
128        from SEAICE_PARMS.h ; still need to fix seaice_cost_sst.F (broken when
129        SEAICE_freeze got retired) but already better than previously with
130        SEAICE_freeze=123456.7 deg.C;
131      - move setting of facOpenGrow/Melt from SEAICE_INIT_FIXED to SEAICE_READPARMS
132        (safer multi-threaded setting); always set SEAICEuseEVP;
133      - setting of ocean-ice turb. flux coeff: moved from SEAICE_CHECK to
134        SEAICE_READPARMS & SEAICE_INIT_FIXED (this fixes wrong summary report);
135        stop if multiple specifications for the same coeff; make sure default
136        SEAICE_mcPheePiston is compatible with drF(1) & deltaT.
137    o pkg/obcs:
138      - allow to switch to upwind 1rst order advection scheme for the advective
139        flux computation at the open-boundary; disabled for adjoint built.
140    o pkg/ptracers:
141      - rename PTRACERS_RESTART.h -> PTRACERS_START.h
142      - rename ptracers_fields_blocking_exchanges.F -> ptracers_fields_blocking_exch.F
143      - add parameter to decide when to start a tracer; use internal flag to
144        know which tracer to step-forward; switch this internal flag at the top
145        of forward_step.F (new S/R PTRACERS_SWITCH_ONOFF); for now, not enabled
146        for adjoint built.
147    o pkg/seaice:
148      - add SEAICE_SIZE.h anywhere in the code where SEAICE.h is included ;
149      - move MULTDIM declaration and setting from SEAICE.h to SEAICE_SIZE.h ;
150      - keep experiment offline_exf_seaice truly single category (set MULTDIM=1).
151    o pkg/ecco:
152      - fix writing of output file DiagnosCost_ClimSalt/Theta
153        and DiagnosCost_DriftSalt/Theta (if multi-tiles per proc).
154    o pkg/seaice:
155      - add missing initialisation of COR_ICE array in dynsolver.F
156      - merging SEAICE_MULTICATEGORY define and undef cases. Now the same code is
157        compiled either way, and is tested in all exps (multidim was only tested
158        in lab_sea ad before).
159      - cosmetic change to prepare for future addition of ITD. no change to results.
160        no defaults change.
161      - added run time param SEAICE_multDim (7 for SEAICE_MULTICATEGORY, 1 otherwise).
162      - by lack of adequate verification experiments, I further used custom versions
163        of global_ocean.cs32x15 to test multicat or not, with pickup or not. All
164        should be correct.
165      - avoid recomputations in ad.
166    o array initialisation in adjoint mode:
167      1) pkg/mom_common/mom_calc_ke.F:
168        add full array initialisation of KE inside mom_calc_ke.F (ALLOW_AUTODIFF_TAMC):
169        The S/R which calls MOM_CALC_KE initialises KE but in some recomputation
170        part this initialisation is gone, resulting in Floating Point Exception
171        (caught by open64 compiler with debug option).
172      2) model/src/convective_weights.F
173        set output convectCount over the full array range (instead of doing
174        an update): this fix a similar issue when called within recomputation (adjoint)
175        which could by-pass the initialisation (normally done in the caller S/R).
176    o pkg/seaice:
177      - final version of turbulent flux params, as agreed at MIT ice meet:
178           SEAICE_mcPheePiston (default is ~ 0.000875)
179           SEAICE_mcPheeTaper (default is 0.)
180           SEAICE_frazilFrac (defualt is 1.)
181           SEAICE_mcPheeStepFunc (default is false)
182      - changes results at trunction error level
183      - ifdef SEAICE_EXTERNAL_FLUXES, disallow SEAICE_waterAlbedo
184    o added pkg/frazil:
185      - see frazil_description.tex for details
186      - verification experiment is global_with_exf/input.yearly; changes output.yearly.txt
187    o pkg/shelfice/shelfice_thermodynamics.F
188      - fix exponents for velocity dependent exchange coefficients: change
189        from 2/3(=0) to 0.66666666666666667
190      - move computation of velocity dependent exchange coefficients into
191        separate loop, so that it applies to both thermodynamics
192      - move some divisions by constants out of loops
193    
194    checkpoint63j (2012/02/16)
195    o pkg/seaice:
196      - overhaul of seaice_summary.F after feb 2012 clean-up of seaice_growth.F etc.
197      - SItracer:  added run time params, and allow coupling to ocn salinity.
198    o pkg/seaice: remove (almost) all divisions by constants within loops
199      in seaice_growth.F and seaice_solve4temp.F, this changes (only) the cg2d
200      results of global_ocean.cs32x15.seaice from 16 to 11 digits (but only
201      those, caused by 1/QI -> recip_QI) -> update output.seaice.txt,
202      output_adm.seaice_dynmix.txt and also lab_sea: output_adm.evp.txt
203    o pkg/seaice :
204      - simplify McPhee tapering, and allow to use it with SEAICEturbFluxFormula
205        = 1 or 2, using newly added run time parameter SEAICE_availHeatTaper.
206    - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.    - fix d_AREAbyATM, d_AREAbyOCN, d_AREAbyICE diags I broke in r1.148.
207    - add permanent SItflux diag that corresponds to TFLUX but includes    - add permanent SItflux diag that corresponds to TFLUX but includes
208    ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.      ice+snow. Hence SItflux-TFLUX should match the ice+snow heat budget.
209    - allow activation/testing of a fix for suspected missing term in    - allow activation/testing of a fix for suspected missing term in
210    ocn-ice heat budget (to be confirmed). To test this, you want to      ocn-ice heat budget (to be confirmed). To test this, you want to
211    undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param      undef SEAICE_DISABLE_HEATCONSFIX, and then set the run time param
212    SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.      SEAICEheatConsFix to .TRUE. that also allows the 'SIaaflux' diagnostic.
213    - no change in results, fwd or ad.    - no change in results, fwd or ad.
214  o global_ocean.cs32x15/results: three changes following from the pkg/seaice commit below.  o global_ocean.cs32x15/results: 3 changes following from the pkg/seaice commit below:
215    - switch to variable freezing point.    - switch to variable freezing point.
216         Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.         Results change : cg2d -> 1 digits; ad -> 3-6-6 digits.
217    - bug fix : the sublimation term that was missing is now activated.    - bug fix : the sublimation term that was missing is now activated.
218         Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.         Results change : cg2d -> 2 digits; ad -> 8-6-6 digits.
219    - bug fix : flooding sign term for SIsal0.NE.0.    - bug fix : flooding sign term for SIsal0.NE.0.
220         Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.         Result change : cg2d -> 8 digits; ad -> 11-12-9 digits.
221  o pkg/seaice:  o pkg/seaice:
222    - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT    - unified freezing point treatment : the old SEAICE_VARIABLE_FREEZING_POINT
223   is now the default, and the old default constant freezing point is recovered with      is now the default, and the old default constant freezing point is recovered
224   SEAICE_tempFrz0    = -1.96,      with SEAICE_tempFrz0    = -1.96,
225   SEAICE_dTempFrz_dS = 0.,           SEAICE_dTempFrz_dS = 0.,
226    - retire SEAICE_freeze that was the old way of specifycing the constant freezing point.    - retire SEAICE_freeze (= the old way of specifycing the constant freezing point)
227    - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.    - remove ALLOW_SEAICE_FLOODING brackets; run time switch is already there.
228    - bug fix (thanks to M. Losch) : the sublimation term that was missing is now    - bug fix (thanks to M. Losch) : the sublimation term that was missing is now
229   activated. To reproduce old results that had this bug define SEAICE_DISABLE_SUBLIM.      activated. To reproduce old results with this bug define SEAICE_DISABLE_SUBLIM.
230    - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)    - bug fix (silly me) : flooding sign term (seaice_growth.F r 1.149line 1211)
231   was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).      was wrong for SIsal0.NE.0. Changes cs32x15 results (see above item for detail).
232    - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in    - bug fix (thanks to O. Jahn) : area loss for melting  got messed up in
233   seaice_growth r149 for legacy branch (no results change).      seaice_growth r149 for legacy branch (no results change).
234    - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code from I. Fenty).    - introduce SEAICE_CAP_SUBLIM : caps sublimation heat flux in solve4temp (code
235    - results did not change except for global_ocean.cs32x15, mostly due to the switch      from I. Fenty).
236    to variable freezing point (see above item for detail).    - results did not change except for global_ocean.cs32x15, mostly due to the
237        switch to variable freezing point (see above item for detail).
238  o pkg/thsice:  o pkg/thsice:
239    - fix and simplify interface to salt_plume pkg ; diagnose directly amount of    - fix and simplify interface to salt_plume pkg ; diagnose directly amount of
240      seawater freezing in thsice_calc_thickn (not used).      seawater freezing in thsice_calc_thickn (not used).
241  o pkg/seaice: turbulent flux term specification via run time params.  o pkg/seaice: turbulent flux term specification via run time params.
242    - replace CPP switches with run time switches to facilitate testing    - replace CPP switches with run time switches to facilitate testing
243    - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX, GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR    - retired CPPs : MCPHEE_OCEAN_ICE_HEAT_FLUX,
244                       GRADIENT_MIXED_LAYER_TURBULENCE_FACTOR
245    - added runtime parameter : SEAICEturbFluxFormula    - added runtime parameter : SEAICEturbFluxFormula
246    - move Mcphee constants to SEAICE_PARAMS.h    - move Mcphee constants to SEAICE_PARAMS.h
247    - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;    - seaice_readparms.F : read turbulent flux term params (SEAICEturbFluxFormula;
248      SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply); remove               SEAICE_availHeatFrac/Frz, or SEAICE_gamma_t/_frz if apply);
249      seaice_summary call (moved to seaice_init_fixed)               remove seaice_summary call (moved to seaice_init_fixed)
250    - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on    - seaice_init_fixed.F : set SEAICE_availHeatFrac/Frz depending on
251      SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)      SEAICEturbFluxFormula, and seaice_summary call (moved from seaice_readparms)
252    - seaice_summary.F : add missing report of read turbulent flux term set up (and SITRACER).    - seaice_summary.F : add missing report of read turbulent flux term set up
253    - seaice_check.F : check range; inform and stop if retired CPPs are used (incl. SEAICE_AGE).                         and SITRACER.
254      - seaice_check.F : check range; inform and stop if retired CPPs are used
255                         (incl. SEAICE_AGE).
256    - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without    - seaice_growth.F : unified use of SEAICE_availHeatFrac/Frz, without
257          CPP switch, same computation as before for the different options.           CPP switch, same computation as before for the different options.
258    - change results at the truncation level.    - change results at the truncation level.
259  o pkg/seaice:  o pkg/seaice:
260    - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:    - remove un-used parameters LAD & MAX_TICE ; add new run-time parameters:
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