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revision 1.1870 by jmc, Sat May 25 18:36:53 2013 UTC revision 1.1926 by dimitri, Sat Sep 28 19:09:38 2013 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint64o (2013/09/25)
8    o added SINGLE_DISK_IO option because reading of parameter files on
9      very large number of processors did not work with existing set-up
10    o pkg/atm_phys & atm_compon_interf:
11      - allows for coupling of gray-atmosphere (atm_phys) with ocean.
12    o tools/build_options:
13      - switch from "-fPIC" to "-mcmodel=medium" in optfiles: linux_amd64_gfortran
14        & linux_amd64_ifort11 and in linux_amd64_g77 & linux_amd64_open64 also
15        remove CPP setting (was identical to genmake2 default).
16    o pkg/gmredi & model/src: Some updating and work done on the residual model.
17      - created new file model/src/calc_eddy_stress.F to calculate the eddy stress.
18      - fixed up the calculation of the eddy stress and how it is added to the
19        external forcing via taueddy_external_forcing.F
20      - at the moment, it is very experimental and only works with the variable eddy
21        diffusivity calculated in gmredi_k3d.F
22    o pkg/seaice/seaice_check.F: add a check to catch the case of specifying
23        lw/swfluxfile instead of lw/swdownfile in data.exf together with pkg/seaice
24    o testreport (& tools/do_tst_2+2):
25      - for MPI test, set default COMMAND to 'mpirun -v -np TR_NPROC ./{executable}'
26    o tools/build_options: linux_amd64_gfortran & linux_amd64_ifort11:
27      - remove CPP='cpp -traditional -P' (this is genmake2 default)
28      - add switch (for big setups) to use 'medium' memory-model (but leave it
29        commented out for now). Note: needed with FC 19 to compile big setups.
30    o pkg/atm_compon_interf:
31      - regroup per field origin (model & pkgs) the coupling storage routines
32         (which accumalate in time each coupling field)
33      - move bi,bj loops inside atm_store_my_data.F and store also wind-stress;
34        update accordingly + simplify aim_do_physics.F
35    
36    checkpoint64n (2013/08/26)
37    o pkg/bbl:
38      - update formulation to reduce dispersion of tracer properties in bbl
39      - replaced horizontal and vertical transport parameters with velocities
40      - changes results for verification/global_with_exf.yearly
41    o verification/halfpipe_streamice:
42      - change to matrix construction; update both Fwd & AD output.
43    o verification/tutorial_tracer_adjsens:
44      - OpenAD test: switch to vector-invariant momentum since fluxform with
45        rStar causes problems with OpenAD; update output.
46    o tools:
47      - genmake2: define a common prefix for all temp-file names ; move them
48        to local /tmp disk (but would be easy to move them back);
49      - xmakedepend: apply the same switch for temp-files.
50    o pkg/offline:
51      - changes for use with rStar (NLFS): assume that we continue to provide
52        UVELMASS/hFacW_ini & VVELMASS/hFacS_ini (hFacWi,S_ini as written in grid
53        output files) and apply r* scaling at each time-step (function of the time
54        varying Eta field); use normal pickup files (needed for restart with NLFS).
55    o adjoint with OpenAD:
56      - move OpenAD-specific files from verification/OpenAD/code_oad_all to a new
57        package openad.  This package has to be compiled for all runs with OpenAD
58        instead of specifying code_oad_all as a modification directory.
59      - link the fortran templates from tools/OAD_support to the build directory
60        for preprocessing to avoid conflicts between different setups compiled
61        simultaneously and simplify cleanup.
62    o pkg/exf:
63      - in exf_getforcing.F: comment out most of the EXCH calls (fields used by
64        main model or other pkgs are exchanged in EXF_MAPFIELDS).
65    o model/src:
66      - do_stagger_fields_exchanges.F: skip EXCH calls when using pkg/offline
67        (similar to do_fields_blocking_exchanges.F).
68    o tools/genmake2:
69      - remove TAF output src code just before calling staf (when not doing a fresh
70        built, will stop if things go wrong with staf).
71      - fix target "adobj" (left from TAF version-2 transition)
72    o pkg/diagnostics:
73      - add a parameter to track the status of pkg/diagnostics activation;
74        this replace/extend the use of logical param "settingDiags" (to check
75        when adding diag to the list) to also check any DIAGNOSTICS_[]FILL* call.
76        New S/R to print error message and stop when pkgStatus is not right.
77      - to try: add a warning when "data.diagnostics" exist but useDiagnostics=F.
78    
79    checkpoint64m (2013/08/13)
80    o model/inc:
81      - move FCORI_MACROS.h from PARAMS(_MACROS).h to GRID_MACROS.h (left from
82        8 yrs ago modif when Coriolis arrays were moved from PARAMS.h to GRID.h)
83    o pkg/kpp & aim_v23:
84      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
85    o pkg/seaice:
86      - restore (last time on 2011/12/24) ability to compile pkg/seaice with
87        undefined pkg/exf ALLOW_ATM_TEMP or ALLOW_RUNOFF CPP-options.
88      - only call DIAGNOSTICS_FILL when useDiagnostics=TRUE.
89    o eesupp/src:
90      - fix check for overlap-size argument (myOLn.GT.MAX_OLY_EXCH)
91        in exch1_rx[_ad].template (thanks to Francois Lefeuvre report).
92    o switch to TAF version-2:
93      - add flow directives to "freeze" naming convention for ad-routines that
94        are used in I/O routines of adjoint state and associated common blocks
95        that are used in adcommon.h (backward compatible with version-1)
96      - update all ad-optfiles (in tools/adjoint_options + few local to some
97        verification exp) to switch to latest TAF version (currently 2.5.5);
98        merge "*_mpi" adoptfiles into the corresponding non-mpi (but commented
99        out except for diva).
100      - the major change with TAF version-2 is that both the differentiated
101        routines and the forward routines (new) are returned as part of the TAF
102        output source code. Update genmake2 accordingly.
103      - new output for AD experiment tutorial_global_oce_biogeo (better AD gradient
104        with version-2 when compared to TLM or FWD gradient); other experiments
105        output show minor changes (machine truncation level); update the few AD &
106        TLM output with 12 matching digits only (some prior to version-2 switch).
107    
108    checkpoint64l (2013/08/05)
109    o model/src:
110      - in dynamics.F, skip the call to CALC_VISCOSITY if momViscosity=F
111      - main_do_loop.F: no longer includes additional (AUTODIFF) header files
112        when using TAF but only if using OpenAD.
113    o pkg/mom_common+fluxform+vecinv:
114      - always set horiz. viscosity arrays to background value before calling
115        MOM_CALC_VISC (in MOM_FLUXFORM & MOM_VECINV) and call S/R MOM_CALC_VISC
116        only when using variable horiz. viscosity (useVariableVisc=T);
117      - simplify mom_vecinv.F (only 1 block for momViscosity).
118    o pkg/mom_common: variable horiz. viscosity in NH code
119      - move horiz-viscosity 3-D arrays viscAh_W & viscA4_W (used in calc_gw.F)
120        from model/inc/NH_VARS.h to pkg/mom_common/MOM_VISC.h
121      - store in common block (in MOM_VISC.h) logical parameters: useHarmonicVisc,
122        useBiharmonicVisc & useVariableVisc.
123      - fix old bug (already in 1rst implementation of variable horizontal viscosity
124        in calc_gw.F, version 1.27, 2006/06/20):
125        horizontal bi-harmonic viscosity in gW was missing when wiscA4W=0
126        even if variable bi-harmonic viscosity (e.g., viscA4Grid) was non-zero.
127      - change background horiz viscosity in vertical momentum (gW) to always be
128        viscAhW,viscA4W (instead of switching to viscAhD, viscA4D when using
129        any type of variable viscosity, e.g., viscAh/4Grid)
130      - change default value of viscAhW,viscA4W to viscAhD,viscA4D (instead of
131        viscAh,viscA4) which default to viscAh,viscA4 :  this avoid missing
132        horiz. viscosity in W eq when just setting viscAhD/Z,viscA4D/Z (since
133        default viscAh,viscA4 is zero).
134    o model/src:
135      - extend length of drC & recip_drC from Nr to Nr+1.
136    o Divided Adjoint (DIVA) with MPI:
137      - genmake2: do not create local ./mpi_headers dir when no file to copy into.
138      - remove option ALLOW_DIVIDED_ADJOINT_MPI (replaced by ALLOW_DIVIDED_ADJOINT
139        and ALLOW_USE_MPI) from model/src code and from ECCO_CPPOPTIONS.h.
140    
141    checkpoint64k (2013/07/23)
142    o tools/OAD_support:
143      - avoid the need for file "oadtempflile" in insertTemplateDir.bash
144        and remove it from genmake2.
145    o tools/build_options:
146      - remove MPI_HEADER_FILES_INC setting (no longer used) and comment out
147        MPI_HEADER_FILES list (let genmake2 find the missing headers)
148    o verification/halfpipe_streamice:
149      - change to driving stress formulation; update both Fwd & AD output.
150    o tools/genmake2 and Divided Adjoint with MPI:
151      - remove default setting of MPIINCLUDEDIR from $MPIHOME (always been broken);
152      - only create local ./mpi_headers dir if using MPI and MPIINCLUDEDIR is set;
153      - add new variable (LOCAL_MPI_HEADERS, replace MPI_HEADER_FILES_INC) in
154        Makefile, which is set by genmake2, and check which mpi-headers are needed.
155        Note: need to update adjoint_options/adjoint_diva_mpi accordingly.
156      - update target "CLEAN" (to also remove ./mpi_headers/ dir).
157    o testreport:
158      - changes for Divided Adjoint Run: when file "run_ADM_DIVA" is present,
159        perform additional runs (number of additional runs is "add_DIVA_runs" taken
160        from file run_ADM_DIVA ; should match "nchklev_3" in file "code_ad/tamc.h").
161    o verification/lab_sea (AD test):
162      - change to test Divided Adjoint Run in this set-up (both standard AD test
163        and 2 secondary AD test: noseaice + noseaicedyn); drop the evp AD test.
164    o pkg atm_ & ocn_compon_interf:
165      - remove cpl_earlyExpImpCall=F option (was mainly a hack added for the old
166        staggerTimeStep implementation) and disable (retired) corresponding
167        parameter.
168    o pkg/offline:
169      - comment out unused field-array: ICEM, ConvectCount, hflx[01], icem[01];
170      - add S/R OFFLINE_CHECK to print offline parameter summary
171        and stop if loading a file that is not used;
172      - enable to calculate GMRedi tensor, KPP mixing and convective index
173        when the corresponding file(s) is/are not specified (but pkg is used).
174      - comment out resetting of monitorFreq (to endTime) since it still useful
175        for monitoring CFL numbers and checking offline fields.
176    o OpenAD:
177      - do not define OAD_DEBUG (in tools/adjoint_options/adjoint_oad) to get
178        smaller standard output) and generate new (smaller) output (on baudelaire
179        using gfortran with -ieee) for exp. tutorial_tracer_adjsens
180    o model/src:
181      - call EXTERNAL_FORCING_SURF outside bi,bj loops (in do_oceanic_phys.F),
182        (where external_forcing_adjust was called) and change list of arguments;
183      - merge external_forcing_adjust.F into external_forcing_surf.F
184      - put surface relaxation of SST & SSS in new S/R (forcing_surf_relax.F)
185        which also contains balancing surface relaxation (ALLOW_BALANCE_RELAX,
186        previously in file "balance_relax.F", now removed); remove corresponding
187        arrays in FFIELDS.h.
188      - EXTERNAL_FORCING_SURF is now called when using pkg/offline; implement
189        a hack for getting back surfaceForcingS (loaded from file) when using
190        ALLOW_OLD_VIRTUALFLUX (pkg/dic, in DIC_OPTIONS.h) in offline set-up.
191      - update output of AD test experiment global_ocean.cs32x15.seaice_dynmix
192        (was getting only 11 digits for AD-grad, due to different truncation
193         error in AD code).
194    
195    checkpoint64j (2013/07/04)
196    o pkg/offline:
197      - to enable the use of other features with pkg offline (e.g., obcs),
198        also call S/R DO_OCEANIC_PHYS in offline run - more modifs to come.
199      - comment out "allowFreezing" (now active) in 2 offline testing exp.
200    o pkg/exf ALLOW_RUNOFTEMP
201      - fix sign and make compatible with temp_EvPrRn .NE. UNSET_RL
202      - ahdded RUNOFTEMP test to verification/global_ocean.cs32x15/input.seaice
203      - changes verification/global_ocean.cs32x15/results/output.seaice.txt
204    o pkg/atm_phys:
205      - allows to add some damping on uVel,vVel (strength only function of k).
206    o verification, ad-tests:
207      - reduce length of the simulation for AD test: global_ocean.cs32x15.seaice,
208        global_ocean_ebm and offline_exf_seaice.thsice.
209    o verification/halfpipe_streamice:
210      - found a bug in s/r pkg/streamice/streamice_advect_thickness which caused
211        flux input boundary conditions to be ignored; a fix for this bug changed
212        verification results for forward test.
213      - add adjoint test.
214    o pkg/ptracers:
215      - allow to restart without SOM pickup (resetting SOM to zero).
216    o pkg/gmredi:
217      - New parameterisation for the calculation of K and (GM_PsiX,GM_PsiY) added.
218      - It uses mixing length theory and suppression by steering level effects to
219        calculate a diffusivity used in the Redi tensor (see Bates et al., submitted
220        to JPO, for more details).
221      - It also uses the diffusivity to calculate an eddy induced streamfunction
222        based on a PV closure (rather than a buoyancy closure as in GM).
223      - New files added to pkg/gmredi:
224        gmredi_k3d.F calculates the diffusivity for the Redi tensor and the eddy
225          induced overturning streamfunction (called from gmredi_calc_tensor)
226        gmredi_calc_eigs.F calculates the eigenvalues and eigenvectors required
227          for use in gmredi_k3d
228        gmredi_calc_urms.F calculates the the rms eddy velocity used to calculate
229          the eddy diffusivity
230    
231    checkpoint64i (2013/06/18)
232    o pkg/cheapaml:
233      - take src files from MITgcm_contrib/verification_other/offline_cheapaml/code
234        that enable the use of seaice (pkg/thsice thermo & pkg/seaice dynamics)
235        with pkg/cheapaml.
236    o utils/python: add subpackage for cubed sphere function, first example is
237        simple cs.pcol to plot 2D fields on a map
238    o pkg/streamice:
239      - This is a new package in MITgcm, which solves dynamic equations for ice
240         sheets and ice streams
241      - At the moment it is independent of atmosphere/ocean dynamics, or any
242        other physical packages in MITgcm, even ShelfIce (although it is anticipat-
243        ed that this will change)
244      - There is a new verification exercise that tests it, halfpipe_streamice,
245        evolves a 40x80 km ice stream/ice shelf (at coarse resolution) in a
246        rectangular embayment
247      - halfpipe_streamice is forward-only for now, will have TAF test soon
248      - for questions, email dgoldber@mit.edu
249    o pkg/thsice:
250      - fix filling of snow-precip diagnostic (SIsnwPrc) (left from the removing
251        of snowPrc from common bloc, on May 2nd, thsice_step_fwd.F revision 1.40);
252      - remove diagnostics 'SI_FrcFx' ( now identical to 'SI_Fract' with new
253         call sequence: ice-Thermo(thsice),ice-Dyn,ice-Advect );
254      - allow precip from pkg/cheapaml to make snow over seaice.
255    o pkg/cfc:
256      - move in separated header file (CFC_ATMOS.h) time-serie arrays of Atmos CFC
257      - remove atmos CFC 2-D arrays from common bloc (now local variables)
258      - change some hard-coded constant to run time parameter for reading and
259        and interpolating atmospheric CFC ; keep same default as previously.
260      - more flexible reading of Atmos CFC (number of records no longer hard-coded)
261      - put arguments in standard order: myTime, myIter, myThid
262      - use standard S/R GET_PERIODIC_INTERVAL for time interpolation of
263        atmospheric CFC ; fix for the case myIter < PTRACERS_iter0.
264      - fix calculation of surf tendencys for partial-cell and/or Non-Lin Free-Surf
265      - new routine to print summary of CFC params and check for consistency.
266    o pkg/seaice: add uice/vice to the parameter list of s/r seaice_advdiff,
267      similar to thsice_advdiff.
268      Note that for the B-grid case the routine parameters uc/vc are overwritten.
269    o pkg/cfc:
270      - change time interpolation for atmospheric CFC-11 (now same as for CFC-12);
271        update output (CFC-11) of experiment cfc_example and tutorial_cfc_offline.
272      - fix interpolation of atmphspheric CFC between Sorthern and Northern
273        hemisphere value.
274    o pkg/seaice:
275      - allow to use seaice dynamics without pkg/exf (e.g., using pkg/cheapaml)
276    o pkg/seaice: add Adams-Bashforth2 time discretization for ice dynamics;
277                  so far only for JFNK-solver, turn on with SEAICEuseAB2 = .TRUE.
278      - requires an additional time level that is stored in the pickup
279      - you can start with AB2 from a pickup without this time level with
280        pickupStrictlyMatch = .false.
281    
282    checkpoint64h (2013/05/26)
283  o pkg/cheapaml:  o pkg/cheapaml:
284    - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);    - replace one ()**.5 with SQRT + use temp var "cdu = tau/Du" (coare3_flux);
285      affect machine truncation (but exp cheapAML_box still pass with 13 digits).      affect machine truncation (but exp cheapAML_box still pass with 13 digits).

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