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revision 1.966 by jmc, Fri Mar 7 19:25:48 2008 UTC revision 1.1049 by jmc, Sun Jan 4 01:25:32 2009 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/flt:
8     - do some cleaning and fix the restart ;
9     - add output.txt in flt_example/results to get this pkg tested.
10    o genmake2: add an EXTENDED_SRC option and flag.
11       for now, cannot be turned on on command line (only through genmake_local)
12    o pkg/mdsio: read/write vector:
13     - singleCpuIO: fix RL/RS in MDSWRITEVECTOR by calling new S/R MDS_BUFFERtoRL/RS
14     - singleCpuIO=F: fix arrType & filePrec & _BYTESWAPIO in both MDSREADVECTOR
15       & MDSWRITEVECTOR by calling new S/R MDS_RD/WR_VEC_RL/RS.
16     - affects gradient of test-exp "bottom_ctrl_5x5" (not due to _BYTESWAPIO)
17      (drop to 4 digits matching for grad). But this test does not look very
18      reliable (was already failling on eddy, fc5, at 6.digits). Update output.
19    
20    checkpoint61g
21    o pkg/flt:
22      - move FLT_CPPOPTIONS.h to FLT_OPTIONS.h (standard name)
23       + make OPTIONS file more standard.
24      - rename S/R MDSREADVECTOR_FLT to FLT_MDSREADVECTOR (to mach src file name)
25      - fix _BYTESWAPIO CPP-Flag
26      - standard reading of file-parameter "data.flt"
27      - fix argument list of S/R FLT_RESTART
28      still need to fix _BYTESWAPIO in pkg/mdsio/mdsio_writevector.F
29    o pkg/obcs: fix a CPP-flag, bug reported by Jeff Blundell
30    o gather_2d.F/scatter_2d.F: suppress vectorisation on NEC SX in respond to
31      a still unfixed compiler/optimization bug
32    
33    checkpoint61f
34    o pkg/seaice, LSR solver: fix bug in GLOBAL_MAX calls ;
35      update results of global_ocean.cs32x15.icedyn test.
36    o move getcon.F from model/src to pkg/fizhi.
37    o pkg/exf: add parameter for extrapolation of temp up to the surface
38       and option to prevent negative evap (in bulk_largeyeager04 only).
39    o Prather Advection scheme: fix tracer conservation for divergent flow
40      (e.g., when using NonLin Free-Surface).
41    o kpp: retire KPPmld diagnostics --> use MXLDEPTH instead
42    o gmredi (Visbeck-variable-K):
43     - add more parameters to Visbeck-variable-K.
44     - use a 5 points average for dSigmaR in Visbeck-K calculation
45       (more "homogenous": same stencil and same weights as in dSigmaH)
46     - update output of ideal_2D_oce experiment.
47    o fix CPP-flag REAL4_IS_SLOW, when _RS expands into real*4
48      (#undef REAL4_IS_SLOW)
49     - pkg/mnc/mnc_cw_cvars.F: write _RS-grid variable as netcdf-real*4
50       coordinate variable
51     - pkg/monitor/monitor.F: call mon_printstats_rs for _RS variables
52       (surface forcing fields), removes some of the functionality
53     - model/src/write_grid.F: write _RS variables as RS-netcdf variables
54     - model/src/diags_oceanic_surf_flux.F: fix a few diagnostics, but
55       probably not all: copy _RS surface flux fields to RL field before
56       calling DIAGNOSTICS_FILL
57     - model/inc/CPP_EEMACROS.h: make the _EXCH_*_RS macros expand into
58       real*4 (CALL EXCH_*_RS) versions.
59     - tested in 2 experiments: inverted_barometer & solid-body.cs-32x32x1
60       (generate new output).
61    
62    checkpoint61e
63    o gmredi (Visbeck-variable-K):
64      - fix the "OLD_VISBECK_CALC" option + move the #undef to GMREDI_OPTIONS.h
65      - change computation of Visbeck-K where Slope > Smax :        
66        now: N*min(Slope,Smax) (similar to OLD_VISBECK_CALC with gkw91 taperFct)
67        previously was: M*sqrt(min(Slope,Smax)) ; update ideal_2D_oce output.
68    o bottom-drag in P-coord.: change units of bottomDragLinear & bottomDragQuadratic
69      to be the same as with Z-coord. (i.e., m/s & no-units respectively).
70    o calc_viscosity: fix index range (was wrong for CD-Scheme & explicit Visc)
71    o pkg gmredi, linear & fm07 tapering: put an upper limit on Slope^2 so that Kwz
72      does not become too large (to avoid precision problems in implicit-diffusion
73      solver); update ideal_2D_oce output.
74    o pkg ggl90:
75      - in ggl90_cal.F: compute only one set of visc/diff, used to
76        step forward TKE/T/S/momentum
77      - default value of GGL90viscMax/GGL90diffMax larger and equal (to
78        have Prandlt =1)
79    o gmredi (fm07):
80      - add lower limit on Transition layer thickness + lower limit on 1/lambda
81      - allow to set few more params from data.gmredi
82    o pkg ggl90:
83          - add missing sqrt(2) factor in computation of mixing length
84            scale in ggl90_calc.F
85            (see Eq. (2.35) in Blanke and Delecluse, JPO, 1993)
86    
87    checkpoint61d
88    o adjoint modifs
89      - adapt to new field rhoInSitu
90      - allow to revert from StoreDynVars2D, StoreDynVars3D
91        to individual fields
92        (switches AUTODIFF_USE_OLDSTORE_2D, AUTODIFF_USE_OLDSTORE_3D)
93    o store 3-D (in-situ) density in commom block (DYNVARS.h)
94     - save 1 rho computation.
95     - no longer modify T & S inland when using down_slope pkg.
96    o gad_som : allow to switch to SOM advection for T & S without corresponding
97      pickup files (using new S/R: MDS_CHECK4FILE).
98    o keep removing _BEGIN/_END_MASTER between MDSIO S/R call
99      (for useSingleCpuIO to work in multi-threaded)
100    o pkg/shelfice:
101     - disentangle parameters: retire shelfIceFile in data/PARM05 and substitute
102       with SHELFICEtopoFile in data.shelfice
103     - move code for reading ice shelf topography and modifying hFacC into separate
104       subroutines of the shelfice package
105     - separate initialisation of "fixed" and "variable" variables
106     - kTopC is not (yet) replaced by kSurfC, although this is possible
107    o fix broken diagnostic SIatmFW and changed the units from m/s to kg/m^2/s
108    o add initialisation of deepFac if using Pcoords (new S/R set_grid_factors)
109      and rename:
110      ini_phiref.F          --> set_ref_state.F  (+ set anelastic factors)
111      ini_reference_state.F --> load_ref_files.F (- set anelastic factors)
112    o change FIND_RHO_SCALAR : return rho (instead of rho - rhoConst)
113    
114    checkpoint61c
115    o add option ALLOW_ADDFLUID and run-time selector "selectAddFluid"
116      to add mass source/sink of fluid in the interior (3-D generalisation
117      of oceanic real-fresh water flux).
118    o pkg/monitor: fix recip_dr argument in mon_advcflw2 call (-> advcfl_W_hf_max)
119    o vermix test experiment: switch from LINEAR EOS to MDJWF (not tested before)
120    o new pkg: down_slope
121      density-driven downsloping flow parameterisation (Tellus, 1999, 412-430).
122      - presently, modify T & S inland (dwnslp_calc_rho.F).
123        can be avoided if rho was stored in common bloc and used in calc_phi_hyd.
124      - implementation for ocean in P-coords not tested.
125      - add secondary test to global_ocean.90x40x15 (input.dwnslp) to check this pkg.
126    o move kSurfC,kSurfW & kSurfS from SURFACE.h to GRID.h (next to kLowC)
127      (to facilitate conversion of oceanic pkg to p-coordinate).
128    o change FIND_RHO to FIND_RHO_2D :
129      pass arguments tFld & sFld as local (tile) 2D-arrays ; +fix EOS_CHECK.
130    o new pkg: cheapaml
131    
132    checkpoint61b
133    o exch2:
134      change index bounds in rx2_cube exchanges (new S/R: EXCH2_GET_UV_BOUNDS)
135      - no longer depend on the order sequence (N,S,E,W).
136      - 3rd exchange no longer needed (tested with 24 tiles).
137      - same modif to hand-written adjoint S/R (global_ocean.cs32x15: zero diff)
138      - exch_UV_A-grid readily available (but not yet tested).
139      comment out 3rd exch call and remove copy of V to U at SE & NE face-corners
140      (both are no longer needed) in exch_uv: no effect in forward run; but
141       get truncation error differences with adjoint exch.
142    o exch2:
143     - change index-bounds storage (moved from target to local tile,
144       more intuitive this way) ; rename/remove some variables.
145     - change utils/exch2/matlab-topology-generator & code_mods accordingly.
146    
147    checkpoint61a
148    o exch2/matlab-topology-generator:
149      fix bug in index bounds for N-S internal exchange (hard to tell if this
150      had any effect on the solution).
151    o pkg/mnc: small fix in mnc_handle_err: make sure that length of msgbuf
152      is exceeded
153    o testreport: modify syntax of awk, so that it works also with
154      awk, and not only with nawk and gawk
155    
156    checkpoint61
157    o autodiff
158      Change default for TAF usage by removing argument '-nonew_arg'
159      This changes TAF subroutine argument list (ordering of active var.)
160      Omission of this flag leads to incompatibility w.r.t. TAMC
161      To restore TAMC-compatibility, need following modifs:
162      * use adoptfile tools/adjoint_options/adjoint_tamc_compatibility
163      * use CPP option #define AUTODIFF_TAMC_COMPATIBILITY
164      Tested TAF version is 1.9.22
165      N.B.: exch2 hand-written adjoint code currently not TAMC compatible
166    
167    checkpoint60
168    --->>> This is the last checkpoint for which generating the adjoint
169    --->>> is done via the TAMC-compatibility TAF-flag "-nonewarg"
170    --->>> by default.
171    --->>> Future checkpoints will ommit this flag by default.
172    o pkg/generic_advdiff, os7mp: simplify and avoid division by zero.
173    o pkg/grdchk: Add gradient check to etan0 perturbations.
174    o pkg/exf: read ice area from file (#ifdef ALLOW_ICE_AREAMASK).
175    o pkg/autodiff: more flexibility in zeroadj.
176      model/src: modifying do_oceanic_phys.F accordingly.
177    o pkg/ctrl: Bounds for (kapgm,kapredi,eddypsi) parameter estimation.
178    o model/src and pkg/gmredi: GMREDI_WITH_STABLE_ADJOINT CPP option
179      special setup of gmredi for which the adjoint is stable
180      enough for parameter optimization.
181    o bridging the gap between eddy stress and GM.
182      -> eddyTau is replaced with eddyPsi (eddyTau = f x rho0 x eddyPsi)
183          along with a change in CPP option (now ALLOW_EDDYPSI).
184      -> when using GM w/ GM_AdvForm:
185          The total eddy streamfunction (Psi = eddyPsi + K x Slope)
186          is applied either in the tracer Eq. or in momentum Eq.
187          depending on data.gmredi (intro. GM_InMomAsStress).
188      -> ALLOW_EDDYPSI_CONTROL for estimation purpose.
189      The key modifications are in model/src/taueddy_external_forcing.F
190      pkg/gmredi/gmredi_calc_*F pkg/gmredi/gmredi_*transport.F
191    
192    checkpoint59r
193    o new S/R (pkg/mdsio/mdsio_facef_read.F) reading of sNx+1 x sNy+1 array
194      from per-face file (take S/R READSYMTILE_RS out of ini_curvilinear_grid.F);
195      fix option to read coriolis(@ cell-corner) from files with CS-grid.
196    o pkg/mnc: add some attributes to standard 1D-coordinate variables
197    o pkg/diagnostics: enforce missing_value attribute for scalar variables at
198      mass points, when using mnc for output
199      - add runtime parameter (missing_value, missing_value_int) to override
200        default (which is the value of getcon('UNDEF'))
201    o pkg/mnc: prepare mnc for the actual use of missing values with the
202      diagnostics package: small fix in mnc_cw_readwrite.template and more
203      initialisation of never used fields
204      - replace mnc_common.h and mnc_id_header.h with corresponding upper case
205      versions
206    o pkg/thsice/thsice_ini_vars.F added default initial values so that
207      thermodynamics sea ice solver does not blow up when some initial fields
208      are missing.
209    o move from external_forcing_surf.F to ini_forcing.F
210      the p-coord. hack consisting in using pLoad to set phi0surf ;
211      update output of tutorial_global_oce_in_p (affected @ truncation level).
212    o Freshen up a bit hs94.1x64x5, notably:
213      remove rotationPeriod and tRef=5*0. (adjoint only), and add
214      exactConserv=.TRUE.
215    o pkg/generic_advdiff:
216      change option GAD_ALLOW_SOM_ADVECT to GAD_ALLOW_TS_SOM_ADV which only
217      applies to files where Temperature & Salinity 2nd Order moments are used.
218    o pkg/ptracers: add second-order moment advection schemes (80 and 81);
219      this uses a dynamically allocated internal state data structure
220      (#define PTRACERS_ALLOW_DYN_STATE in PTRACERS_OPTIONS.h)
221      and requires a fortran 90 compiler
222    
223    checkpoint59q
224    o pkg/mom_vecinv: Add energy & enstrophy conserving scheme (selectVortScheme=3)
225       (from Sadourny, described by Burridge & Haseler, ECMWF Rep.4, 1977)
226    o Refresh tutorial_global_oce_biogeo, notably:
227      - change bathymetry (put back seamounts in ACC, use hFacs)
228      - change EOS (POLY3 --> JMD95Z)
229      - use Bryan-Lewis vertical diffusivity
230      - use multidimensional advection
231      - remove old virtual virtual in dic pkg, now done through ptracer pkg
232      - change a couple of parameters in dic pkg
233    o pkg/ctrl: change formula in adctrl_bound.F and add a parameter to ctrl_map_ini_gen.F
234    o pkg/obcs: change default to OBCSfixTopo = .true.,
235      - set OBCSfixTopo=.false. in exp4/input/data.obcs to reproduce old result
236      - replace "debugMode" with "debugLevel .GE. debLevB"
237    o implementation of TAF directives for gchem,cfc,dic
238    o remove "exp5" (replaced by tutorial_deep_convection).
239    o pkg/obcs: add code to fix topography gradients normal to open boundaries;
240      this requires computing the index fields OB_Jn/Js/Ie/Iw in obcs_readparms;
241      the code can be turned on by setting OBCSfixTopo = .true. in data.obcs
242      --> changes results in exp4, seaice_obcs
243    o tutorial_deep_convection :
244      update the set-up and increase resolution and domain size ; start
245      from pseudo initial conditions = output at t=120mn in order to see
246      something happening when running testreport.
247    o pkg/seaice: add os7mp as an advection scheme
248                  add check for advection schemes
249                  add a flag for restoring T and S underneath sea ice
250    o pkg/my82: add netcdf-support and diagnostics
251    o thsice pkg:
252      - Now hsMax limits snow height by turning it into ice following
253        flooding scheme (and now conserving energy)
254      - Slight rewriting of the formula in thsice_calc_thick.F
255      - Parameter rhowi eliminated to be replaced by floodFac = (rhosw-rhoi)/rhos
256      --> changes results of global_ocean.cs32x15.icedyn and global_ocean.cs32x15.thsice
257    
258    checkpoint59p
259    o gchem / dic / cfc :
260      - add useDIC, useCFC , read from "data.gchem" (& hold in GCHEM.h);
261      - add new parameter files: "data.dic" & "data.cfc" ;
262      - various re-arrangement in initialisation & header file ;
263      - fix tutorial_global_oce_biogeo for multi-threaded test.
264    o pkg/dic: test for "pickup_dic" file when restarting ;
265      if no pickup-file, can restart with a re-initialised pH (same as it did
266      before) providing pickupStrictlyMatch is set to False.
267    o change argument list of S/R PTRACERS_WRITE_PICKUP & MYPACKAGE_WRITE_PICKUP
268      + fix call to S/R GGL90_WRITE_PICKUP & DIC_WRITE_PICKUP
269    o add a "warning" (to Error msg file) when an Active Tracer is not using AB-2
270      and staggerTimeStep is off (needed for stability of Internal-wave dynamics).
271    o move out of PARAMS.h & data the last pieces of old-ptracer code: tauTr1ClimRelax,
272     & lambdaTr1ClimRelax ; put those 2 params in PTRACERS_PARAMS.h & data.ptracers
273       (note: not clear to me what lambdaTr1ClimRelax is still used for ...)
274    o pkg/mom_vecinv: - new parameter "selectVortScheme" to select which
275       scheme to use for vorticty-term ;
276     - compute upwindVorticity=T case within mom_vi_u/v_coriolis_c4.F
277       (with default selectVortScheme, return to original discretisation)
278     - remove weird combination (e.g.: upwindVorticity & highOrderVorticity)
279    o pkg/seaice: add a line to the summary to indicate grid type (B/C)
280    o in mom_calc_visc, fix average value of viscAh_W & viscA4_W next to the
281      bottom ; only used with variable horizontal viscosity and non-hydrostatic.
282      also fix diagnostics VISCAHW & VISCA4W.
283    
284  checkpoint59o  checkpoint59o
285  o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).  o dome/code/obcs_calc.F: avoid division by zero (detected using gfortran).
286  o change the loop ordering in most gad_*_adv_x.F to improve vectorization:  o change the loop ordering in most gad_*_adv_x.F to improve vectorization:

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