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revision 1.2097 by mlosch, Fri Nov 28 14:19:20 2014 UTC revision 1.2164 by rpa, Tue Jun 16 21:43:10 2015 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/layers:
8      - move resetting of flux arrays to outside the iLa loop
9        (this caused layers_diapycnal to not work with more than one layer coord.)
10      - fix bug in calculation of layers_recip_delta in layers_init_fixed.F
11    o pkg/layers:
12      - remove from common block 3D layers fields (used to diagnose transport
13        in tracer coords) and declare them as local arrays in layers_calc.F
14    o pkg/seaice:
15      - Rename SEAICE_VECTORIZE_LSR_ZEBRA to SEAICE_LSR_ZEBRA and define it
16        in lab_sea forward experiment (changes results -> updated)
17      - update adjoint experiment lab_sea after cleaning up seaice_lsr_tridiagu/v
18    o pkg/seaice: modify seaice_lsr.F in order to improve the gradient
19      computations; for SEAICE_VECTORIZE_LSR
20      - move the loops over which the tridiagonal solvers (seaice_lsr_tridiagu/v)
21        sweep to the outside,
22      - remove store directives and add "CADJ loop sequential" directives
23        in analogy to model/src/solve_tridiagonal.F
24      - replace many "#ifdef SEAICE_VECTORIZE_LSR_ZEBRA" by variable loop
25        boundaries to yield more readable code. This has also the charming side
26        effect that your can use SEAICE_VECTORIZE_LSR_ZEBRA without
27        SEAICE_VECTORIZE_LSR (i.e. adjoint without recomputations in
28        seaice_lsr_tridiagu/v now requires either of these flags, vectorization
29        still requires SEAICE_VECTORIZE_LSR with SEAICE_VECTORIZE_LSR_ZEBRA as
30        an additional option)
31       The tridiagonal solvers are now completely analoguous to solve_tridiagonal.F
32       but the adjoint gradients (which are affected by this change) still explode.
33    o coupler (atm & ocn _compon_interf):
34      - avoid using Exch2 IO mapping if not suitable.
35    
36    checkpoint65m (2015/06/15)
37    o pkg/layers:
38      - clean-up old parameters setting (from Sep 2012):
39        + remove old parameters setting from common block (declared locally);
40        + stop if any old parameter is mixed with new parameters;
41        + check for valid or consistent parameter setting (e.g., layers_name)
42      - check that layers_bounds for Pot.Density are in the right range;
43        this is supposed to catch un-updated setting after recently shifting
44        potential density field "prho" by -1000 (now in "sigma" scale).
45    o pkg/layers:
46      - Added missing call to layers_fill for keeping track of tottend in
47        pkg/diagnostics/diagnostics_fill_state.F
48    o pkg/layers:
49      - added CPP flux LAYERS_FINEGRID_DIAPYCNAL to disable fine-grid binning
50        of diapycnal fluxes
51    o pkg/layers:
52      - reverted changes to interpolation to previous treatment; there
53        was never actually a problem
54    o pkg/layers:
55      - fix interpolation of layers tracers in the presence of partial cells
56      - add lots of new functionality to compute water mass transformation
57        (enabled by CPP flag LAYERS_THERMODYNAMICS)
58      - add new calls from main code (diags_oceanic_surf_flux.F,
59        thermodynamics.F, impldiff.F) and gad to save the necessary fields
60        for layers_thermodynamics calculations
61    o pkg/ptracers:
62      - add capability of stepping a passive tracer forward without advection
63        by setting PTRACERS_advScheme to 0.
64    o pkg/diagnostics:
65      - add few (threads) _BARRIER around any update of "diag_pkgStatus".
66    o pkg/layers:
67      - shift potential density field "prho" by -1000 for density layer averaging so
68        that it corresponds to usual "sigma" definition (i.e., rho(p=const)-1000);
69        Note that density bin boundaries (layers_bounds in data.layers) have
70        to be set accordingly (i.e., shifted, in sigma scale).
71    o pkg/layers:
72      - fix snap-shot output of layer thickness @ V.pt and output of pot.density
73      - fix calculation of layer non-weighted velocity and layer probability
74      - add diagnostics for pot.density used for layer averaging
75    o pkg/seaice:
76      - seaice_calc_viscosity.F: change computation of deltaC**2 to ensure
77        positiveness, modify a few comments and improve variable names,
78      - the changed computation of deltaC affects most seaice-related
79        experiments at the truncation level.
80        seaice_itd.thermo is affected by far the most, with
81        only 7 digits of agreement remaining; update experiments.
82    
83    checkpoint65l (2015/05/04)
84    o pkg/shelfice:
85      - in shelfice_thermodynamics.F, if SHELFICEBoundaryLayer=.true., then set
86        factor drKp1 to zero where it is negative (ie. do not use
87        SHELFICEBoundaryLayer if hFacC>1)
88      - the same for factor drLoc in shelfice_forcing.F
89    o tools/genmake2: move FEXTRAFLAGS from FFLAGS to FOPTIM to avoid a problem
90        with modules in ptracers, when using testreport option "-small_f"
91    o pkg/seaice/seaice_growth.F (in case of SEAICE_ITD)
92      - replace tmpscal1**1.36 by faster exp(1.36*log(tmpscal1))
93    o verification/testreport
94      - add new option -small_f
95        with this option testreport first makes the target small_f (*.f files)
96        before running make (all). This is useful for explicit inlining when
97        all sources need to be full available.
98    o pkg/exf/exf_interp.F:
99        remove previous changes related to reverse (decreasing) input grids latitude
100    
101    checkpoint65k (2015/04/01)
102    o pkg/ecco:
103        fix missing cosphi initialization; use eccoiter in place of optimcycle;
104        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
105        instead of active read/write
106    o pkg/ctrl:
107        if autodiff is not compiled then use READ_REC_XY_RL/READ_REC_XYZ_RL
108        instead of active read/write.
109    o pkg/autodiff: make autodiff_readparms.F and autodiff_whtapeio_sync.F
110        return if .NOT.useAUTODIFF
111    o pkg/seaice: add CPP brackets (cost function related).
112    o model/src:
113        add useAUTODIFF run time switch.
114    o pkg/exf/exf_interp.F:
115        add code to allow input grids with latitude starting in the north (i.e. when
116        j=1 corresponds to northern edge of field); modify global_with_exf to test
117        this feature.
118    o verification/testreport:
119      - replace "grep -A3" with POSIX conformal sed command, because there are
120        implementations of grep that cannot do contextual searches
121      - replace "cat -n" by "nl" (two occurrences), because not all implementations
122        of "cat" have the option "-n"
123    o model/src:
124        add new file gsw_teos10.F that contains 3 functions, more or less a copy
125        of the gsw_toolbox.f90 of the TEOS-10 fortran interface, that are used to
126        convert from conservative to potential temperature. For now they are not
127        called anywhere.
128    o pkg/ggl90: make "useIDEMIX" useful
129      - re-organize code in s/r ggl90_calc a little to move computations that
130        are different for idemix into separate loops (changes verification
131        experiment idemix at truncation level, 12 digits remain -> updated)
132      - requires 2 new 2D fields KappaM, verticalShear
133      - make hFacI and recip_hFacI local 3D variables that are passed to
134        s/r ggl90_idemix
135      - fix and improve some comments
136    
137    checkpoint65j (2015/02/25)
138    o pkg/openad
139      - synchronize seawater.F with version in model/src: replace routine
140        body of sw_temp by calling sw_ptmp and fix/add a few comments.
141    o pkg/mnc:
142      - change default value of pickup_read/write_mnc params to FALSE
143        (since few features are missing in reading MNC pickup files).
144    o model/src:
145      - change default (background) vertical diffusivity for salt to be the
146        temperature (background) vertical diffusivity.
147      - change background vertical diffusivity in vertical mixing pkgs ggl90,
148        kl10, my82 and pp81 from temperature diffusivity to salinity diffusivity.
149        This makes ptracers default diffusivity (that uses salt diffKr) more
150        consistent with vertical mixing schemes.
151    o verification/testreport:
152      - fix typo in "-pcls" option ;
153      - put temp files in /tmp (instead of in local dir)
154      - add option "-ncad" to use genmake2 new option "-nocat4ad"
155      - allow to use "-j" option (for multi-procs make) for AD, OAD and TLM.
156    o pkg/ggl90 (idemix code):
157      - apply few fixes ; add some missing "_d 0" ; update output of exp.
158        global_ocean.90x40x15.idemix
159    o OpenAD
160      - enable active file I/O and begin removal of work-around code
161        for OpenAD for handling control variables (memory vs. active files)
162      - new CPP options file OPENAD_OPTIONS.h
163      - revert to genarr2d gradient check for hs94.1x64x5
164      - (genarr3d tested by tutorial_global_oce_biogeo, tutorial_tracer_adjsens)
165      - gentim2d works for halfpipe_streamice but not yet hs94.1x64x5
166    o tools/genmake2:
167      - add option for an alternative Makefile (from Martin) where multiple
168        source files are sent to TAF (instead of all in one file).
169    o pkg/ggl90: add IDEMIX (Olbers and Eden, 2013)
170      - code provided by Carsten Eden as an extension of ggl90
171      - so far the code is turned on within ggl90 by setting a CPP-flag at
172        compile time; a runtime flag implementation is not yet complete
173      - tested in new verification experiment global_ocean.90x40x15.idemix
174    o verification:
175      - reduce length of the AD test run by half for experiments
176        global_ocean.cs32x15 (std + thsice) and isomip
177      - enable active file I/O for OpenAD, adjust verifications accordingly
178      - halfpipe_streamice: change gradient check from genarr2d to gentim2d
179    o verification/testreport:
180      - fix two non-POSIX sed statements so that there are no error messages
181        on Mac OS X
182      - replace hostname -s with hostname | sed 's/\..*$//'
183    o model/src/seawater.F:
184      - simplify SW_TEMP to just calling SW_PTMP with P and PR exchanged
185        (following the matlab code), which would have avoided the bug caught
186        by Matt (see below) in the first place
187    o pkg/shelfice:
188      - implement alternative discretisation of quadratic drag (selectBotDragQuadr)
189        and true distance in no-slip BC (bottomVisc_pCell) similar to bottom-drag.
190      - fix sign of friction tendency (no-slip BC) and fix u,v drag for thin
191        ice-shelf case (i.e., within surface level).
192      - add config summary in shelfice_check.F
193      - remove global variable recip_SHELFICElatentHeat and replace by a local
194        variable recip_latentHeat
195      - introduce diagnostics for friction velocity uStar (in case of
196        SHELFICEuseGammaFrict)
197      - change verification experiment isomip.htd:
198        + start from pickup (as input_ad at nIter0=8640)
199        + start from SHELFICEmassFile instead of SHELFICEloadAnomaly file
200        + test SHELFICEuseGammaFrict = .TRUE.
201        + test SHELFICEadvDiffHeatFlux = .TRUE.
202    o model/src:
203      - fix bug (Thanks to Matt) in function SW_TEMP (to convert Pot.Temp to
204        in-situ Temp) and in routine SW_TEMP (in pkg/openad);
205        update output of experiments global_with_exf.yearly and isomip (all 6).
206    o pkg/shelfice:
207      - change setting of kTopC to also be zero where there is no ice-shelf.
208      - zero out surface forcing arrays (for now, for T & S + EmPmR) where
209        ice-shelf is.
210      - first attempt to get RealFreshWaterFlux effects: for now, only without
211        SHELFICEboundaryLayer ; not consistent if using synchronous time-stepping.
212    o pkg/seaice: add the option to prescribe a fixed thickness PDF
213      for thermodynamic calculations
214      - because of divisions of the type 7/7 not exactly equal to 1, this change
215        affects results of some verification experiments by up to 4 digits:
216        global_ocean.cs32x15.seaice, lab_sea, lab_sea.fd, lab_sea.salt_plume,
217        seaice_obcs, seaice_obcs.seaiceSponge, seaice_obcs.tides
218        adjoint: lab_sea, lab_sea.noseaicedyn
219        -> updated
220    
221    checkpoint65i (2015/01/23)
222    o model/src:
223      - change units of frictionHeating field from W to W/m^2
224      - fix bug in frictional heating from stratospheric drag in
225        S/R ATM_PHYS_TENDENCY_APPLY_V
226      - with synchronous time-stepping: move resetting to zero of frictionHeating
227        field from load_fields_driver.F to thermodynamics.F ;
228      - add diagnostics for frictional heating.
229    o model/src & gmredi K3D:
230      - add frictionHeating field to pickup-files (for synchronous time-stepping)
231      - move ALLOW_EDDYPSI block out of DYNVARS.h and merge it into FFIELDS.h
232      - rename uMean,vMean --> uEulerMean,vEulerMean (+ change diagnostics name
233        and name in pickup file).
234      - fix arguments of few DIAGNOSTICS_FILL calls in gmredi_k3d.F
235    o model/src:
236      - move (from ini_forcing.F) initialisation of all arrays in header file
237        FFIELDS.h into new S/R ini_ffields.F ; this fix broken restart
238        (since Nov 2012) with option selectAddFluid=1.
239    o pkg/shelfice:
240      - change units (+ document) of newly added field "shelfIceMassDynTendency"
241      - upgrade from _RS to _RL shelficeMass & shelficeLoadAnomaly arrays.
242    o pkg/obcs: re-organize obcs_calc_stevens.F to prepare for passive tracers
243    o pkg/seaice: two new runtime parameters:
244      - SEAICE_cStar replaces the hard wired "20" in the strength formulation,
245        long overdue
246      - SEAICE_tensilFac: preparation for Koenig-Beatty+Holland (2012)
247        parameterization of tensil stress for fast ice (does not do anything yet)
248    o pkg/seaice/seaice_check.F: left over from restricted addtive Schwarz method
249        for LSR: move checking overlaps out of JFNK-if-block
250    o pkg/atm_phys:
251      - move copy of grid and dynamical fields out of atm_phys_driver.F into
252        new S/R ATM_PHYS_DYN2PHYS.
253      - fix level height for Linear Free-Surf case (to be consistent with
254        fixed-in-time pressure levels).
255    o pkg/mom_common (bottomdrag):
256      - average bottomDragFld (ALLOW_BOTTOMDRAG_CONTROL) from grid-cell center
257        to correct location (U & V point) in S/R MOM_U/V_BOTTOMDRAG;
258        update output (adm & tlm) of experiment global_ocean.90x40x15.bottomdrag.
259    o pkg/shelfice (u/v_drag):
260      - add one argument (the other velocity component) to S/R SHELFICE_U/V_DRAG;
261      - use SHELFICEDragLinear & SHELFICEDragQuadratic in shelfice_v_drag.F
262        (now similar to shelfice_u_drag.F)
263      - remove condition on bottomDragTerms when calling SHELFICE_U/V_DRAG
264        from mom_vecinv.F (similar to mom_fluxform calls).
265    o pkg/mom_common (bottomdrag):
266      - add one argument (the other velocity component) to S/R MOM_U/V_BOTTOMDRAG;
267      - add options for alternative discretisation of velocity norm in quadratic
268        bottom drag: averaging of grid-cell-center KE to U.point and V.point
269        (selectBotDragQuadr=0, original code) can produce noisy patterns; this
270        improves when averaging only the other component (e.g. vVel for U bottom
271        drag) using wet-point method (selectBotDragQuadr=2) or not (=1).
272      - add options (bottomVisc_pCell) to account for partial-cell in bottom
273        friction (no-slip BC) thus getting the true distance from the bottom;
274        off by default since this also reduces model stability (explicit bottom
275        friction). Changes produce different machine truncation with linear-drag
276        + no-slip BC: update output of experiments exp4.stevens (10 digits) and
277        front_relax (bvp & mxl, 10 & 11 digits).
278    o model/src & mom pkgs:
279      - add one more level to vertical viscosity local arrays (Nr+1, previously Nr)
280        since no-slip bottom BC uses viscosity @ k+1 to update velocity @ level k
281      - for now and until vertical mixing scheme are updated to fill up level Nr+1,
282        just copy level Nr value to level Nr+1.
283    o doc:
284      - add notes form Abhisek Chakraborty on how to close Heat & Salt budgets.
285    o pkg/streamice:
286      - shelfice_init_varia.F, shelfice_init_fixed.F, shelfice_readparms.F,
287        SHELFICE.h: move array shelficemass to init_varia, initialise
288        from array shelficemassinit, which is set in init_fixed and
289        has option to be set from file; introduce array
290        shelficeMassDynTend array, set thru file in init_fixed
291      - NEW FILE: shelfice_step_icemass.F: update shelficemass from either
292        shelfIceFreshWaterFlux and shelficeMassDynTend or H_streamice in
293        pkg/streamice
294      - shelfice_thermodynamics.F: call shelfice_step_icemass if
295        SHELFICEMassStepping = .true.
296      - shelfice_ad_diff.list: add new subroutine shelfice_step_icemass.f
297    
298    checkpoint65h (2014/12/17)
299    o verification/global_ocean.90x40x15, global_ocean_ebm:
300      - update to generic controls.
301    o pkg/ctrl:
302      - ctrl_map_ini_genarr.F: test for igen>0
303      - ctrl_init_variables.F: add call to CTRL_MAP_INI_GENTIM2D.
304      - move gentim2d part of ctrl_map_ini_genarr.F to
305        new separate routine : ctrl_map_ini_gentim2d.F
306      - ctrl_cost_driver.F,ctrl_init.F ctrl_map_ini_genarr.F:
307        add time variable weights and cyclic controls (time mean,
308        seasonal cycle, etc) capabilities to gentim2d
309    o pkg/ecco:
310      - move reading of error, conversion to weights from
311        ecco_cost_init_fixed.F to ecco_toolbox.F (ecco_readwei)
312    o global_oce_llc90, cs32:
313      - activte sbo.
314      - CTRL_SIZE.h : add maxCtrlProc.
315      - activate the new genctrl capabilities.
316      - update following reorganization of global_oce_input_fields.tar.gz  
317    o pkg/ctrl/ctrl_ad_diff.list:
318      - add missing ctrl_init_rec.f
319    o tools/OAD_support/keepOriginal:
320      - add ctrl_init_rec.F
321    o model/src/the_main_loop.F, pkg/ctrl/ctrl_map_ini_genarr.F:
322      - avoid recomputations of xx_gentim2d_dummy.
323    o momentum diagnostics:
324      - move filling of diagnostics Um_Diss & Vm_Diss from mom_fluxform.F and
325        mom_vecinv.F to timestep.F (to include Smag-3D contribution).
326    o pkg/seaice/seaice_lsr.F:
327      - fix computation of BU/BV, make sure they are non-zero, only necessary
328        for cubed sphere exchanges and SEAICE_OLx/y>0.
329        This makes calling s/r fill_cs_corner_rl obsolete (removed).
330    o verification/global_ocean.cs32x15/input.seaice
331      - add test for strong implicit coupling and restricted addtive Schwarz
332        methods for LSR
333      - update results/output.seaice.txt
334    o verification/tutorial_global_oce_biogeo:
335      - AD & OAD set-up: switch off ALLOW_OLD_VIRTUALFLUX (like in fwd set-up)
336        and set PTRACERS_EvPrRn(1,2) to zero (for DIC & ALK);
337        update output_adm,_oadm,_tlm.txt
338    o pkg/dic:
339      - change default to "#undef ALLOW_OLD_VIRTUALFLUX" in DIC_OPTIONS.h
340      - add a stop when ALLOW_OLD_VIRTUALFLUX is defined and PTRACERS_EvPrRn
341        for tracer 1 & 2 is set (to avoid double counting of dilution effect).
342    o verification/tutorial_global_oce_biogeo:
343      - AD & OAD set-up: do not set PTRACERS_EvPrRn for tracer 1 & 2 since
344        dilution is already added by pkg/dic ALLOW_OLD_VIRTUALFLUX ;
345        update output_adm,_oadm,_tlm.txt
346    o eesupp/src:
347      - add fill_cs_corner_rl.F (_RL-copy of fill_cs_corner_rs.F)
348        and call it in seaice_lsr when using nonzero SEAICE_OLx/y
349    o pkg/seaice: introduce strongly implicit coupling, intended for stabilizing
350      LSR (following Hutchings et al. 2004)
351      - introduce zetaZ as a global variable (requires adjustments in
352        seaice_evp.F and seaice_jfnk.F) and compute analoguously to etaZ
353        in seaice_calc_viscosities.F
354      - new flag SEAICEuseStrImpCpl (default off)
355      - add new terms zetaZ*du/dy and zetaZ*dv/dx on both sides of the
356        momentum equations
357      - JFNK-solver (preconditioner) adjusted to allow using this method
358        (where it does not have any positive effect)
359    o pkg/seaice
360      - add overlap for restrictive additive Schwartz method also to LSR, but
361        turn it off by default (because it only seems to work for non-cubed
362        sphere/llc topologies)
363  o pkg/autodiff  o pkg/autodiff
364    - add extra exchanges in addummy_in_steppging also for mnc output    - add extra exchanges in addummy_in_steppging also for mnc output
365  o pkg/seaice:  o pkg/seaice:

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