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revision 1.1239 by jmc, Mon Mar 22 22:09:17 2010 UTC revision 1.1438 by jmc, Fri May 20 21:48:43 2011 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/obcs:
8      - do not mask tracer when applying OB (tracer == 0 could generate problems)
9      - apply tracer OB values to tracer field only at OB location (instead of
10        over a band of OLx width)
11      - clean-up obcs_apply_w.F & obcs_apply_eta.F (since less calls to these S/R)
12      - remove OBCS_MULTIDIM_OLD_VERSION code in gad_advection.F and remove
13        obcs_apply_tloc.F & obcs_apply_sloc.F
14    o obcs in model/src:
15      - call OBCS_APPLY_W only if NonHydrostatic.
16      - call OBCS_APPLY_ETA only if NonLinFreeSurf.
17      - reset dEtaHdt and wVel to zero outside OB interior region ;
18      - leave tracer unchanged outside OB interior region: This has no effect
19        on the solution but just to prevent unrealistic tracer value outside OB.
20      - zero out velocity outside OB interior region: This has no effect on
21        the solution but just to prevent unrealistic velocity outside OB.
22    o obcs and non-lin free-surf:
23       move call to OBCS_APPLY_R_STAR from update_r_star.F to calc_r_star.F
24       and call to OBCS_APPLY_SURF_DR from update_surf_dr.F to calc_surf_dr.F
25       + add argument "etaFld" to OBCS_APPLY_R_STAR & OBCS_APPLY_SURF_DR:
26       this fixes missing EXCH + get consistent eta OB value (+ fix restart).
27       update results of test-exp. exp4(nlfs).
28    o exp4 (nlfs) test-exp:
29       use OBC for Eta at Western & Eastern OB (to test prescribing Eta
30       with NonLin-FreeSurf); update output.nlfs.txt
31    o obcs and 2d/3d solver norm:
32       use interior masks (maskInC) to cancel out cg2d & cg3d matrix coeff at OB
33       and outside OB interior region (will allow to place OB further inside the
34       domain). Depending on the domain, can affects cg2d-Norm (previous
35       cancellation outside OB was only partial), e.g. in exp4 & obcs_ctrl,
36       and cg3d-Norm (previous Norm was computed before canceling OB terms),
37       e.g. in tutorial_plume_on_slope.
38      - update output of exp.: exp4 (x2), obcs_ctrl and tutorial_plume_on_slope.
39    o pkg rbcs:
40      - split RBCS.h into 3 files: RBCS_SIZE.h, RBCS_PARAMS.h & RBCS_FIELDS.h
41      - add capability to apply relaxation to horizontal velocity uVel & vVel.
42    o pkg/grdchk: add gradient check for control variable xx_shifwflx
43    o pkg/shelfice/shelfice_init_fixed.F
44      fix CPP-flag combinations
45    o pkg/seaice: Merge iceage code of Pierre Rampal
46      * update/change/correct ice age calculations
47      * add age updates for pathological cases
48      Probably needs more testing...
49    
50    checkpoint62x (2011/05/13)
51    o pkg/mom_vecinv:
52       high-order vorticity scheme: use interior masks (maskInW & S)
53       to zero-out (outside OB) gradient of vorticity.
54    o verification exp.:
55       turn on "useEnergyConservingCoriolis" (better discretisation) in exp.
56       hs94.128x64x5 and seaice_obcs ; update results.
57    o pkg/obcs:
58      fix bug in OBeta for YZ sections in obcs_exf_load.F
59    o pkg/ctrl, pkg/shelfice, and optim:
60      - add new control variable xx_shifwflx (fresh water flux underneath ice
61        shelves). This is almost as tedious as obcs-ctrl, because the
62        variables needs its own mask.
63      - add a cost function term that penalizes the deviation of xx_shifwflx
64        from the first guess (zero) in analogy to other control variables
65    o pkg/shelfice:
66      - start basic adjoint
67    o pkg/ctrl:
68      - remove extra 2D field "for good measure" when initializing in
69        ctrl_set_globfld_[xy/xz/yz].F
70      - replace hard coded precision 32 (a bug) in ctrl_map_ini_gen by ctrlprec
71      - improve error messages in ctrl_set_unpack_*
72    o OBC implementation in momentum:
73       use interior masks (maskInC,W & S) in momentum S/R:
74       - multiply divergence, tension and some del^i.u or del^j.v by maskInC
75       - multiply del2u,del2v by maskInW/S (biharmonic viscosity)
76       - multiply horiz. grad of vorticity by maskInW/S (in Leith scheme)
77       - multiply gradient of wVel by maskInW/S in del2w calculation (NonHyd)
78       Motivation: fix/clean implementation of OBC with biharmonic-viscosity
79        (and also with Leith/Smagorinsky harmonic-viscosity).
80       Update output of experiment dome and exp4 (+nlfs).
81    o exp4 test-exp:
82      - turn on: nonHydrostatic, exactConserv, viscA4 (with momDissip_In_AB=F)
83        and prescribe time-varying OB (without pkg/exf) for zonal-velocity
84        at Western & Eastern Boundaries (+/- 1 per-cent); Also prescribe
85        time-varying OB at Western-side for wVel (NonHyd); update output.
86      - add secondary set-up (.nlfs) using NonLin FreeSurf (z*) + mom_vecinv
87        and biharmonic-viscosity ; also use prescribed time varying OB.
88    o pkg/obcs:
89      fix bug in OBWeta,OBWeta indices in obcs_apply_r_star.F
90    o model/src:
91      - fix startTime setting when baseTime<>0 & nIter0=0 are specified ;
92      - initialise startTime & nIter0 with unlikely values: allows to set one
93        from the other without ambiguity.
94    o seaice_obcs test-exp.:
95      add small diffK4T,S to test biharmonic diffusivity with OBCS ; update output.
96    o pkg/obcs:
97      - remove calls to OBCS_COPY_TRACER after EXCH for T,S & pTracer:
98        no longer needed with maskInC,W,S in pkg/generic_advdiff.
99    o pkg/seaice:
100      - retired SEAICE_SALINITY and SEAICE_salinity in favor of
101        SEAICE_VARIABLE_SALINITY and SIsalFRAC, respectively.
102      - fixed bug in the initialization of sea ice salinity variable HSALT
103        in seaice_init_varia.F  (removed dependence on ICE2WATR)
104    o fizhi-cs test exp.:
105       switch reference output convention for these 2 non-standard test-exp,
106        from: pgi  6.1-5 on faulks (FC.6, -of linux_ia32_pgf77+authors_fc5)
107          to: ifort 11.1 on baudelaire (FC.13, -of linux_amd64_ifort11)
108       reason: faulks might get retired soon and pkg/fizhi has still Pb with gfortran
109    o model/inc:
110      - change type of PmEpR array (from _RS to _RL) to fix restart (with "-use_r4")
111        of exp. global_ocean.90x40x15 (Suncronous time-stepping + Real-FW + NonLin-FS)
112    o pkg/seaice:
113      - fix calculation of saltFlux and saltPlumeFlux when using SEAICE_SALINITY
114    o verification/lab_sea, 1D_ocean_ice_column, seaice_obcs, global_ocean.cs32x15
115      - updated output*.txt files due to bug fixes in salt, saltPlumeFlux,
116        and initial HSALT
117    
118    checkpoint62w (2011/04/26)
119    o pkg/mom_fluxform:
120      - fix calculation of del2u & del2v (no-slip BC) when using Non-Lin Free-Surf.
121      - use parameter "sideDragFactor" in no-slip BC side-drag part.
122      - update output of exp. global_ocean.90x40x15
123    o pkg/mom_vecinv:
124      mask del2u & del2v (no effect on results, but cleaner & closer to mom_fluxform)
125    o update seaice exp.:
126      use more consistent parameter values (remove "backward compatability only":
127       ICE2WATR, SEAICE_lhSublim, SEAICE_cpAir, SEAICE_rhoAir + set rhoConstFresh)
128      related to thermodynamics seaice. Update output (fwd+AD) of exp.:
129       1D_ocean_ice_column (x2), lab_sea (x8), ioffline_exf_seaice (x2) & seaice_obcs
130    o update test-exp global_ocean.90x40x15:
131      o use default CD_CODE_OPTIONS file (Adams-Bashforth on CD Mom & Coriolis).
132      o increase Overlap size from 2 to 3 (to allow to test bi-harmonic Visc.)
133      o new pickup-files from a 100.yr run with pkg/down_slope (input.dwnslp params)
134      o turn on zStar & viscA4 in standard set-up (dir input/)
135        and update output files: output.txt & output.dwnslp.txt
136    o new AD-test experiment: obcs_ctrl
137      (From Matt MITgcm_Contrib/SOSE/BoxAdj) to test OBCS as control vector.
138    o pkg/dic:
139      fix two bugs in handling water vapour pressure in carbonate chemistry
140      and air-sea fluxes. Found by Val Bennington and Galen McKinley
141      (add DIC Option = WATERVAP_BUG to recover old results)
142      update output of tutorial_global_oce_biogeo (fwd+AD) & tutorial_dic_adjoffline
143    o adding allowInteriorFreezing option to check for water below freezing point
144      at depth and bring the negative heat anomaly to the surface level
145    o pkgs _fields_load:
146      - extend GET_PERIODIC_INTERVAL to deal with non-periodic case (from pkg/rbcs)
147      - use new S/R GET_PERIODIC_INTERVAL in pkgs:
148        bulk_force, cheapaml, cfc, dic, obcs (+ ctrl/ctrl_get_gen_rec), offline and
149        rbcs to get interpolation weights and time reccord number.
150      - fix multi-threading in aim_fields_load.F
151      - apply EXCH to temp arrays [0,1] after reading in dic_fields_load.F
152    o external_fields_load:
153      new S/R GET_PERIODIC_INTERVAL to calculate which time-record (and linear
154       interpolation weights) to use in a periodic time-series ; do not divide by
155       time-step to convert to integer:
156       - this fixes case where externForcingPeriod is not multiple of time-step
157          (Thanks to Christopher L. Wolfe)
158       - this fixes case where externForcingPeriod is an odd multiple of time-step
159         (was wrong by half of time-step); update results of tutorial_global_oce_in_p.
160      store index of time-record which is currently loaded:
161       - works without any assumption on sequence of calls to EXTERNAL_FIELDS_LOAD ;
162       - needed for the adjoint but not yet used because of extensive recomputations;
163         (to be fixed soon)
164    
165    checkpoint62v (2011/04/02)
166    o verification/1D_ocean_ice_column added to test Ian Fenty's
167      pkg/seaice_growth.F modifications for improving sea ice code differentiability
168    o update output of exp4, internal_wave, seaice_obcs, tutorial_plume_on_slope
169      (new velocity statistics after changing maskInW & maskInS definition)
170    o pkg/generic_advdiff with OBCS:
171      use maksInW & maskInS in advective flux and in biharmonic diffusion calculation:
172      equivalent to assumption of no tracer gradient outside the OB region.
173      This will affect the results if using obcs+biharmonic diffusion.
174      update output_adm.txt of experiment bottom_ctrl_5x5 (not expected since no obc)
175    o pkg/obcs:
176      change definition of maskInW & maskInS: leave OB edges inside (maskIn=1)
177      (e.g., maskInW(OB_Ie)=1 ) so that velocity normal-component at OB is still
178      in Interior region. No impact on solution but affects Velocity monitor stats.
179    o pkg/ptracers (adjoint)
180      New option AUTODIFF_PTRACERS_SPLIT_FILES for writing separate
181      tape file for each tracer
182    o model/inc/src and pkg/autodiff: add parameters that allow to turn
183      of parts of the adjoint code at run time. For now, there are only
184      useKPPinAdMode, useGMrediInAdMode, and useSEAICEinAdMode. These
185      parameters are set in data.pkg.
186      This is the lazy coward's version of doing this, but still useful for
187      debugging. In order to do it right, everything needs to be moved to
188      pkg/autodiff.
189    o pkg/autodiff: fix global_sum_tile_ad.F by resetting adsumPhi at
190      the end; this fixes the adjoint balancing code for open boundaries.
191    o pkg/ctrl:
192      - change behavior of xx_${varname}period to be analogous to exf-conventions:
193        xx_${varname}period =   0.,  means time-independent control part
194        xx_${varname}period = -12., means one-year-periodic monthly control part
195      - introduce helper routine ctrl_init_rec (part of ctrl_init.F) to
196        clean up ctrl_init a little, remove unused variables
197      - ctrl_init: fixed the handling of the start/endrec for obcs-variables
198      - move "call cal_GetMonthsRec" from s/r ctrl_get_gen to s/r ctrl_get_gen_rec
199    
200    checkpoint62u (2011/03/15)
201    o model/src:
202      - for the adjoint, change NonLin-FreeSurf initialisation sequence: fill-in
203        h0Fac from INITIALISE_FIXED and reset hFac to h0Fac in INITIALISE_VARIA ;
204      - in initialise_varia.F (except for ALLOW_DEPTH_CONTROL) remove 2nd call to
205        INI_DEPTHS, INI_MASKS_ETC & INI_LINEAR_PHISURF.
206    o pkg/ctrl/obcs/ecco:
207      - remove obsolete, unused, and partially broken code:
208        ctrl_obcsvol/ctrl_obcsbal/ctrl_volflux and code within
209        ALLOW_CTRL_OBCS_BALANCE
210      - put a stop statement into ecco/cost_obcsvol.F, but also add
211        cost_obcsvol to ecco_ad_diff.list
212    o pkg/ecco: fix counting cost function contributions for obcs (code
213      by Matt M.) and diffkr for diagnostics
214    o pkg/ecco, pkg/ctrl, pkg/grdchk:
215      add cost penalty terms for initial uvel, vvel, eta controls
216      and I/O for prior error files
217    o pkg/mdsio:
218       move mds_check4file.F from eesupp/src to mdsio_check4file.F ; add option
219       (new argument) to check for tiled file in mdsioLocalDir : this fix the
220       restart from pickup_som , pickup_dic (& dic_co2atm) with mdsioLocalDir.
221    o pkg/ctrl:
222     - ctrl_obcsbal.F, ctrl_obcsvol.F: replace last calls of ctrl_getrec by
223       ctrl_get_gen_rec, put a stop statement into ctrl_getrec. Remove
224       unused and superfluous variables
225     - ctrl_get_gen_rec.F: catch the case of xx_genperiod=0.
226    o pkg/ecco
227     - enable adjoint of Stevens OB
228    o pkg/ctrl/ecco/grdchk:
229      - remove global declaration of tmpfldx/yz and tmpfldx/yz2.
230        Fortunately, we do not have any tests for the numerous cpp-flagged
231        option of "obcs as control parameters" so we will never know
232        if this is an improvement (but at least now things compile).
233      - remove an obsolete initialization from ecco_cost_init_barfiles.F
234      - fix some problems within never used ifdefs to make the code compile
235    o pkg/obcs:
236     - Refine Interior mask definition to work with more complex OB (e.g.
237       if OB_Ie < OB_Iw); In case default setting is not sufficient, allows to
238       read in Interior mask from file. Check if Interior mask is consistent
239       with OB list of indices.
240    o pkg/seaice
241     - beginning code for a seaice tracer package,
242       but currently only used for seaice age: SEAICE_AGE
243       SEAICE_num = 4
244       iTracer = 1: area-weighted ice age
245               = 2: volume-weighted ice age
246               = 3, 4: template for one-year vs. multi-year ice
247       data.seaice has new namelist SEAICE_PARM03 for arrays related to
248       SEAICE_num
249    
250    checkpoint62t (2011/03/05)
251    o pkg/obcs:
252     - obcs_apply_uv.F: change to a 2 steps method, first tangential component;
253       then normal component. This ensures that the normal component is set
254       correctly even when it conficts with tangential setting from an other OB.
255       Affects results of test-experiment seaice_obcs: update the output.txt
256    o pkg/obcs:
257     - add code to monitor statistics of dynamical fields at OB.
258     - take OBCS_BALANCE code out of obcs_calc.F into new S/R OBCS_BALANCE_FLOW :
259       - fix to OBCS_BALANCE code (right hFac ; deal with simple OB intersection).
260       - change default: balance the Net inflow through all OB (instead of balancing
261         each OB separately); keep the old method if setting OBC_balanceFacX < 0.
262     - switch on useOBCSbalance in dome experiment: only correct Western OB outflow
263       to match Nortern OB inflow (OBCS_balanceFacN=0).
264    o pkg/seaice:
265     - redefined actual sea ice age to be ICEAGE/HEFF ifdef SEAICE_AGE_VOL
266    o pkg/seaice (seaice_growth v 1.113):
267     - reverting seaice_growth to v 1.111 in order to have code with exact bit
268       compatibility with MITgcm_contrib/ifenty/Fenty_seaice_thermo_code_merge
269       CPP option SEAICE_OCN_MELT_ACT_ON_AREA removed in v 1.112 is reintroduced
270       runtime flag SEAICEareaFormula is kept but is inactive
271    o model/src:
272     - add new param to scale curvilinear grid distance and area when using
273       a different sphere radius from the grid-files.
274     - test/check multi-threads EXCH applied to local variable (cg2d_x)
275    o adjoint:
276     - enable adjoint of Stevens OB
277     - add dummy_in_dynamics to enable extraction of ADJrhoinsitu
278       (a bit delicate because of potentially modified adj. common block structure;
279       current switch is ALLOW_AUTODIFF_MONITOR_DIAG, could be changed later)
280    
281    checkpoint62s (2011/02/15)
282    o pkg/seaice (seaice_growth v 1.112):
283     - introduce SEAICEareaFormula run time parameter, which selects the recipe for
284       computing the ice cover tendency from effective thickness tendencies. Include
285       Ian Fenty's formula.
286     - remove 'undef SEAICE_OCN_MELT_ACT_ON_AREA' which may now be achieved using
287       SEAICEareaFormula.
288     - simplify notations for the various d_HEFF/d_AREA terms.
289    o pkg/gmredi:
290     - add Boundary-Value-Problem bolus transport (Ferrari etal, OM 2010) code
291       from Christopher Wolfe (UCSD); add partial cell factor in vertical derivative;
292       add a verification test-run (front_relax.bvp) to test GM_useBVP.
293    o pkg/seaice (seaice_growth v 1.111):
294     - for SEAICE_DO_OPEN_WATER_GROWTH, replace Gael's implementation with Ian's.
295     - the new SEAICE_DO_OPEN_WATER_MELT allows open-water air-sea heat fluxes to
296       also melt ice.
297    o pkg/seaice:
298     - McPhee formula for Ice-Ocean fluxes (provided by Ian Fenty).
299     - can be used by #define MCPHEE_OCEAN_ICE_HEAT_FLUX in SEAICE_OPTIONS.h
300    o pkg/cheapaml:
301     - from Nico Wienders: New version of this package.
302    o pkg/flt:
303     - add CPP options to prevent floats to re-enter the opposite side of
304       a periodic domain (default: keep periodicity)
305    o pkg/gmredi:
306     - apply exchange to GM_PsiX,GM_PsiY to get valid values near CS-corners
307       (needed for multi-dim advection).
308     - switch on GM Advective form in global_ocean.cs32x15 and update output.txt
309    o model/src:
310     - fix wrong re-setting of addMass array (ALLOW_ADDFLUID) for atmospheric run.
311    o tutorial_tracer_adjsens
312     - extend to NLFS and replace maskC by hFacC
313       (change reference output accordingly)
314    
315    checkpoint62r (2011/01/24)
316    o testreport:
317     - add option -deloutp (-do) to remove output file after successful run
318     - add option -mfile (-mf) for MPI machile-file and for each test-exp,
319       extract exact list of procs from this file ; adjust COMMAND by
320       replacing TR_MFILE & TR_NPROC with local machile-file & Nb of MPI procs.
321    o pkg/ecco: replace old ineffective way of penalizing deviations from
322      first guess (of obcs) with code by Matt Mazloff
323    o pkg/ctrl: add code that allows the use of ALLOW_OBCS?_CONTROL without
324      exf/cal
325      - ctrl_init: fix initialisation (computation of diffrec) for obcs-ctrl
326        and handle case of obcs?period == 0
327        Not affected by these changes: There is still an inconsistency in
328        the computation of start/endrec for the obcs variables for ALLOW_CAL
329        defined (see comment by Menemenlis, 7-Mar-2003)
330      - make S/R ctrl_get_gen_rec return something meaningful even if
331        ALLOW_CAL is not defined
332      - ctrl_getobcs?: simplify code so that it does not need to use
333                       S/R exf_swapfields
334    o testreport:
335       allow to test MPI with different number of processors for each experiment:
336       create file "SIZE.h.mpi" in each build dir.
337       Note: update of "-command" argument not yet implemented.
338    o model/src, pkg/autodiff, pkg/ecco, pkg/seaice:
339      alleviate the need for additional 3D tapes when using
340      the non-inear free surface in the adjoint. This is done
341      by adding an 'update' of hfacc etc. to their current
342      value at the beginning of forward_step.F.
343    o pkg/seaice
344      seaice_lsr: move stress-divergence computations out of outer pseudo-
345      timestepping loop
346    o pkg/obcs/obcs_prescribe_read.F: move 'CALL OBCS_EXTERNAL_FIELDS_LOAD'
347      up, so that the calls of the ctrl_* subroutines are really at the end
348      of the routine.
349    o pkg/gmredi:
350      allow to specify a 2-D horizontal map and a 1-D vertical profil
351      as scaling factor for Isopycnal diffusivity (Redi) and GM diffusivity.
352    o pkg/seaice:
353      move lsr iterations from seaice_dynsolver to seaice_lsr.
354    o pkg/seaice:
355      reduce memory footprint of seaice mutldim advection tapes,
356      by using a 2D tape independent of the generic_advdiff ones,
357      and setting GAD_AREA=1 etc. rather than GAD_AREA=101 etc.
358    
359    checkpoint62q (2010/12/29)
360    o model/src:
361      - check horizontal grid-spacing for unset or zero/negative values.
362      - change AD test hs94.1x64x5 to be truly a 2-D set-up.
363    o pkg/flt:
364      - use (recent) mdsio S/R MDS_READVEC_LOC instead of local FLT_MDSREADVECTOR
365      - precision of input and output files set according to readBinaryPrec
366        and writeBinaryPrec (previously always 64.b), pickup remains at 64 bits.
367      - initial float position from tiled file was not converted to index space
368        (looks like a bug): fixed to make it similar to initial pos. global file.
369    o global_ocean.cs32x15:
370       change SIZE.h of AD set-up to get same tiling as with MPI.
371       Update output_adm, output_adm.thsice (pass@14) & output_adm.seaice (fail@11)
372    o model/src:
373       add flag to control printing of domain fields (bathymetry, hFac ...) in
374       ini_mask_etc (call to plot_fieds_xy*).
375    o pkg/thsice:
376       if useEXF, some forcing fields are not valid in overlap: fixed by computing
377       over the interior only + apply EXCH at the end (like with SEAICE advection).
378    o pkg/mdsio:
379      - add 2 arguments to S/R MDS_PASS_R4/8toRL/S for overlap size of buffer
380        to copy to/from, so that it can be used to replace MDS_PASS_WH_R8toRL/RS.
381      - change barrier call for safe multi-threads access to 3-D shared buffer.
382      - MDS_READ/WRITEVEC_LOC use buffers from MDSIO_BUFF_3D.h (instead of local ones)
383      - replace call to MDS_PASS_WH_R4/8toRL with call to MDS_PASS_R4/8toRL and
384        remove the 4 S/R MDS_PASS_WH_R4/8toRL/S.
385    o pkg/flt:
386      - add fourth-order Runge-Kutta integration
387      - add basic exch2 support (only 1 facet supported so far!)
388    o pkg/mdsio+rw:
389      new S/R to read local (or tile independent) vector (read counterpart of
390       mds_writevec_loc, and front-end write_glvec_rl/rs).
391    o global_ocean.cs32x15: additional input_ad.seaice experiment
392        that uses pkg/seaice rather than pkg/thsice.
393        (using multidim advection for seaice)
394    o towards more F95 syntax for array specification in namelist:
395      - change "data.diagnostics" (data.ptracers was changed before checkpoint62p)
396        of all verification experiments.
397           e.g.:    line: fields(1,3)='ETAN    ','ETANSQ  ',
398          was changed to: fields(1:2,3)='ETAN    ','ETANSQ  ',
399      - finish adding "-DNML_EXTENDED_F77" to DEFINES list in pgf77 and g77 optfiles
400    o global_ocean.cs32x15: additional input.seaice experiment
401        that uses pkg/seaice rather than pkg/thsice.
402    
403    checkpoint62p (2010/12/17)
404    o pkg/thsice: rename (ad tape index) iicekey as ticekey, and move it
405        to THSICE_SIZE.h to avoid conflict with pkg/seaice.
406    o pkg/seaice: add seaice_diffusion.f seaice_map_thsice.f to adjoint.
407        allow for use of multim. advection in seaice adjoint.
408    o pkg/seaice: add diagnostics for snow precipitation and sublimation flux
409      - first attempt to close budgets by taking into account the freshwater
410        flux implied by the sublimation of snow and ice. So far only the
411        volume budget is closed, turn on with soon-to-be-retired-again CPP-Flag
412        SEAICE_ADD_SUBLIMATION_TO_FWBUDGET
413    o eesupp/src:
414      new S/R with new option (NML_EXTENDED_F77) to change array specification
415      from F95 standard to commonly accepted extended F77 form.
416      This would allow to use F95 syntax in namelist (needed with gfortran 4.4.5)
417      and to revert back to the original syntax (with -DNML_EXTENDED_F77)
418      for less tolerant f77 compiler (e.g., pgf77, g77).
419    o globalFiles:
420      commented out in parameter file "data" since it's not safe with MPI
421      (e.g., wrong on aces); keep it if useSingleCpuIO=T (but not doing much
422      in this case); no longer commented out in restart test (tst_2+2).
423    o add adTapeDir to specify a special directory where adjoint tapes are
424      written/read (adread_adwrite.F). adTapeDir is specified in data/PARM05
425      and cannot be used together with mdsioLocalDir.
426    o nesting pkgs:
427      - packages_init_variables : put call to OBCS_INIT_VARIABLES in last position
428      - update Gianmaria's Nesting pkgs (from Contrib/nesting_sannino)
429      - add parameter files + utils dir + output from short run on beagle.
430    o pkg/seaice:
431        fix seaice_growth.F store directives; update results of exp. lab_sea.ad
432    o pkg/seaice: explicitly store tsurfloc in seaice_solve4temp.F to avoid
433      unnecessary copying in adjoint code, requires new parameter NMAX_ITER
434    
435    checkpoint62o (2010/11/25)
436    o pkg/exf:
437      - change CPP option EXF_VERBOSE to run-time logical param exf_verbose.
438    o pkg/seaice:
439      - seaice_ocean_stress: split a loop for better vectorization of the
440        adjoint code
441      - seaice_growth.F: fix bug in conservation of freshwater connected to
442        capping of heff, put contribution into d_HEFFbyNEG
443      - replace irritating parameters SEAICE_latentWater/Ice and SEAICE_sensHeat
444        by something more sensible (parameters that are what their name implies)
445      - change some defaults, so that by default exf-parameters are used for
446        things like rhoAir, cpAir,latent/sensible heat parameters, in order
447        to reproduce the old results, many data.seaice now contain funny values
448        for cpAir and latent heat of sublimation
449    o packages_readparms.F: move exf_readparms up in line so that
450        exf-parameters are visible for other packages (e.g. seaice)
451    o debugMode & debugLevel=2:
452      - differentiate between debugMode & debugLevel=2:
453        debugMode: controls printing of debug messages (sequence of S/R calls).
454        debugLevel: controls printing of algorithm intermediate results and stats.
455      - remove "if debugLevel=2 => debugMode" but keep "debugMode =>  debugLevel=2";
456        => allows to print debug-stats without all sequence of call messages.
457      - switch control of debug print from debugLevel to debugMode in many S/R.
458    o pkg/obcs (obcs-sponge):
459        fix bug that was introduced on Oct 25 (in dynamics.F v1.151): put back the
460        call to OBCS_PRESCRIBE_EXCHANGES (need to exch gU,gV when using obcs-sponge)
461    o pkg/generic_advdiff:
462      - record overlap minimum size for each advection scheme;
463      - refine criteria on overlap minimum size;
464      - check and stop (in gad_check) if overlap size is too small.
465    o pkg/obcs:
466      - with ptracers: remove multiple calls to obcs_apply_ptracer (only done
467        once, in ptracers_implicit.F)
468      - with seaice: remove test on empty file name in obcs_apply_seaice (always
469        apply OB values when tile has OB)
470    o model/src, coriolis setting:
471      - integer parameter "selectCoriMap" (=0,1,2) replaces 3 logical
472        useConstantF, useBetaPlaneF, useSphereF ; can now read coriolis from
473        files (selectCoriMap=3) with any grid.
474      - add parameter "fPrime" for constant second Coriolis coeff (default=0).
475    o pkg/seaice/seaice_growth.F:
476        a few cosmetic changes that reduce the number of lines of code
477    o pkg/obcs: add boundary conditions following Stevens (1990)
478      - the code follows old MOM/NAOSIM code
479      - so far it is only implemented for the eastern and western boundaries
480        and NOT for pTracers
481    o pkg/rbcs:
482      - replace rbcsInIter by rbcsForcingOffset, the time in seconds at the
483        beginning of the first rbcs forcing period.
484      - add option rbcsSingleTimeFiles that makes rbcs read forcing data like the
485        offline package, i.e., one file per time, labeled by iteration number;
486        deltaTrbcs sets the timestep with which the data was generated;
487        rbcsIter0 is the forcing iteration corresponding to rbcsForcingOffset.
488      - rbcsForcingCycle=0 makes forcing non-cyclic.
489      - make arithmetic safe for negative times and odd forcing periods.
490    
491    checkpoint62n (2010/11/09)
492    o pkg/seaice:
493        fix masking in free-drift S/R ; update results of exp. lab_sea.fd
494    o pkg/obcs:
495       New S/R to copy tracer value from the OB location to narrow band region
496        (width = same as overlap) beyond the OB: preserve OB value (needed for
497        high-order scheme) which were overwritten by EXCH call if in overlap
498        region. Applied to theta, salt, ptracer and advected seaice variables.
499       With seaice: use maskInC in similar way as in gad_advection.F,
500        in seaice_advection.F and advect.F.
501       Update output of experiment seaice_obcs and change exp4 to test OBCS with
502        4th order Adv.Scheme. for pasive salt and ptracer.
503    o tools/genmake2:
504      - when looking for an optfile (not specified), only search for Fortran compiler
505        (remove sym-link test + setting of CPP + makedepend check + C-compiler check)
506      - in get_fortran_c_namemangling: use "$CC $CFLAG" to compile C test programm
507        (instead of "$MAKE genmake_test.o" since an existing Makefile can be wrong)
508      - set default for CPP to "cpp -traditional -P" (was the case without specifying
509        an optfile, but otherwise default was just "cpp".
510      - comment out PLATFORM=$p_PLATFORM (no idea where p_PLATFORM comes from)
511      - when "CC" is not set in the optfile, look for possible C compiler
512        (instead of just setting CC=cc)
513      - put back version v.169 modif (from 2008/02/15), was dropped in v.173 changes:
514        => add a ".F" to ".o" rule for source files with no "#include" (such as
515           port_rand.F); otherwise, default ignores FOPTIM and just uses FFLAGS.
516      - move gfortran before g77 in list of possible Fortran compiler (consistent
517        with reference compiler switch from g77 to gfortran)
518    o pkg/seaice:
519      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
520        seaice_check that stops the model, when the CPP flag is used.
521      o seaice_growth.F: make capping of ice volume conserving by returning the
522        capped ice as freshwater to EmPmR. This does not change the verification
523        experiments but will change runs where the capping is acutally active
524    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
525      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
526         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
527         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
528    o tools/genmake2:
529      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
530      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
531      - clean previous genmake log files before anything else.
532      - change Makefile to remove testreport log files (*.tr_log) and genmake log
533        files only with "CLEAN" target (instead of "Clean");
534    o pkg/generic_advdiff:
535      Change OBCS in multiDim advection (gad_advection.F):
536       Use maskInC to prevent intermediate update of tracer-field in OB regions,
537       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
538       which were applying future time-step OB values.
539      This way, all explicit calculations use current-time-step OB values
540       (simpler and more consistent).
541      Affects results when set-up uses time-varying OBC and multi-dim advection;
542       update output of experiment seaice_obcs.
543    o pkg/seaice:
544      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
545       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
546         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
547      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
548       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
549       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
550    o pkg aim (2010/10/26):
551      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
552        formulation with obliquity, eccentricity, ... as run-time parameters,
553      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
554        upward shortwave radition at the surface (all-sky and clear-sky).
555    o pkg/obcs:
556      - writing sections with globalFiles=T does not work: switch to tiled-files
557        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
558      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
559      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
560    
561    checkpoint62m (2010/10/21)
562    o pkg/seaice: vectorize seaice_solve4temp.F
563      - move iterations loops outside of i/j-loops
564      - requires 2D arrays for TB and effConduct
565      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
566        modified in this routine
567      - a little bit of clean up, adjusting indentation, etc.
568      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
569        performance and '**TWO' by '**2' (because TWO is a float),
570        replaced ONE, ZERO
571    o eesupp/src:
572       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
573    o pkg/seaice/seaice_growth.F
574      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
575      merging process. The merged routine has two branches, and one activates the 'evolution'
576      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
577      In summary, here is what the '10/10 revision' did consist of
578        part 1: seaice_growth.F revisions 1.71 to 1.75
579          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
580            The emphasis here was on improving readability (e.g. by trying to use meaningful
581            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
582        part 1.5:
583          - revising the lab_sea experiment to make it a more useful (i.e. stable
584            and representative of an actual model run). This was done by generating a
585            (winter) pickup to start from, switching back the main experiment dynamic
586            solver from evp to lsr, having one of the experiments use the free drift solution.
587        part 2: seaice_growth.F revisions 1.76 to 1.85
588          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
589          - Sorting out the various fields units and sign (set early on and reset at the end)
590            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
591            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
592          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
593            and simplifying logical expressions to further improve readibility.
594        part 3: seaice_growth.F revisions 1.86 to 1.89
595          - Re-organize the blocks of code more logically.
596          - Merging the '_if.F' pieces that add something new.
597    o pkg/thsice:
598      - vectorize thsice_solve4temp and thsice_get_exf.
599        Problem: thsice_solve4temp has an unvectorizable statement that
600        might also be problematic for TAF
601      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
602        does not change the verifcation experiment, but will change all
603        experiments that have this flag undefined (not tested in verification);
604        a little reorganization to save a few 2D fields and recomputations
605      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
606      - 2nd step:  fix some store dirs
607        o seems to work somewhat, i.e. using ifort but not g77
608        o likely cause are incomplete init. or recomputation
609        o start verification/global_ocean.cs32x15/input_ad.thsice
610    o pkg/obcs: add support for exch2
611      - the position of the boundary and prescribed values are specified using
612        a global domain with exch2 facets stacked
613        - in x for N,S boundaries (like W2_mapIO=-1)
614        - in y for E,W boundaries (so E,W boundaries do not overlap)
615    o pkg/mdsio: add support for writing global sections with exch2
616        file layout is as for obcs described above:
617        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
618        - for y-z sections, facets are stacked in y
619    o pkg/thsice:
620       - change a few routines for better vectorization: thsice_albedo.F,
621         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
622         not affected, but in particular the latter routine has changed
623         dramatically (not necessarily easier to read now).
624       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
625       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
626    o verification/lab_sea:
627      - overhaul of the forward model experiments. The main motivation
628        for this revision is that lab_sea has proven quite fragile (when
629        changing the sea-ice code, and switching platforms) to a point
630        when failures were very hard to attribute to specific code problems.
631      - the suspected reason for this fragility is noise amplification by evp so,
632        to start with, we decided to replace evp with lsr in the main experiment.
633      - the input.lsr experiment thus became obsolete and was removed.
634      - it was replaced with the input.fd experiment that uses an
635        analytical "free drift" solution as the ice velocity field.
636      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
637        will hopefully allow us to discriminate problems due to dynamic solvers
638        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
639        us to test additional options, along with the salt plume package.
640      - Finally a pickup was generated (at the end of a one year run) to
641        make the tests more representative of an actual model run. Previously
642        the tests starting point was a 1m thickness of ice everywhere.
643    o pkg/seaice:
644      - introducing S\R seaice_freedrift.F that compute the
645        analytical solution to an approximate ice momentum
646        equation (i.e. the simple stress/coriolis balance).
647      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
648        of the free drift velocity field, and enable its use.
649        To actually use the free drift solution as the model ice
650        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
651    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
652    
653    checkpoint62l (2010/10/04)
654    o pkg/seaice:
655      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
656      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
657       version (with USE_ORIGINAL_SBI undef);
658    o add hooks for new packages OASIS, the package will follow
659      (hooks exclude the seaice pkg for now)
660    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
661      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
662      rather than mdsio_readvector.F/mdsio_writevector.F, within
663      adread_adwrite.F to read/write adjoint-related tapes to disk.
664    o eesupp and pkg/mdsio: ALLOW_WHIO
665      Option to write/read 2D fields to files including tiles halos.
666      The main purpose is for adjoint related "tape I/O".
667      The secondary purpose is for debugging phases.
668      A word on those rather specifically intended purposes.
669      The code was meant to be stripped down to the bare minimum.
670      Typically, there is a unique and basic mapping to the global
671      buffer (tile by tile, then proc by proc, then level by level), and
672      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
673      meant to generate user friendly outputs of various shapes and forms.
674      Rather it is intended, for the knowledgeabale developers,
675      to be largely independent of the many mdsio options, to allow
676      outputs of tiles+halos in debugging phases and in adjoint runs,
677      and to allow some flexibility in tuning (adoint) I/O depending on each
678      file system behavior. With regard to tuning, most of the potential knobs
679      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
680      to specify directories, to specify the typical size of I/O calls, etc.)
681      are not yet included, and will be added if they prove useful.
682    o pkg/seaice:
683       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
684    o pkg/seaice:
685       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
686       code (seaice_budget_ice_if.F) which enable to recover old standard
687       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
688       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
689    o model/src (rStar):
690       use simple average (not area weighted) of rStarFac at U,V point when using
691       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
692       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
693    
694    checkpoint62k (2010/09/17)
695    o adjoint
696       * changed verification/global_ocean.cs32x15 ; adjoint now tests
697         Adams-Bashforth 3 + NLFS + RSTAR
698       * some more modifs required for ECCO-GODAE v4
699    o pkg/seaice
700       add SEAICE_AGE_VOL option to use volume instead of area for
701       integrating SEAICE_AGE
702    o model/src:
703       first check-in of sigma & hybrid-sigma coordinate code ; also includes
704       non-linear free-surface parts ; but pressure-gradient not yet coded.
705    o pkg/ptracers:
706       option for ptracer to convert Salt Relax into additional EmP.
707        tested in exp. global_ocean.90x40x15.dwnslp (update output)
708    
709    checkpoint62j (2010/08/25)
710    o pkg/ggl90:
711       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
712    o pkg/dic: car_flux.F, phos_flux.F
713      - reduce number of exp-calls in order to improve performance
714      - clean up a little (replace fields by their macros, etc., fix
715        typo in CPP-flag)
716    o pkg/ggl90: minor changes
717      - GGL90diffKrS was removed --> always use GGL90diffKr
718      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
719      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
720        (commented out for now)
721      - change in max/min operations to ensure that smoothing is ok
722      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
723      - always use diffKrNrT as background profile (i.e. never use diffKr field)
724    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
725    o pkg/dic:
726      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
727        vectorization
728      - small bug fix in insol for the unlikely case of a cartesian grid
729      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
730        + now vectorize, which also removes adjoint recomputations;
731        + replace integer maksp1 by _RL maskp1
732        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
733    
734    checkpoint62i (2010/07/21)
735    o pkg/flt:
736      - with OBCS: stop floats which enter the OB region
737    o model/src:
738      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
739        for implicit vertical advection.
740    o pkg/seaice:
741     - account for melting in seaice age evolution.
742     - remove double counting of seaice ridging effect on seaice age.
743    
744    checkpoint62h (2010/06/18)
745    o pkg/exch2:
746     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
747    o tools/genmake2
748      - remove "-pdefault" option: redundant with the use of "packages.conf";
749      - remove file pkg/pkg_default : set the default as a pkg group
750        ("default_pkg_list") defined in pkg/pkg_groups;
751      - fix for case pkg/pkg_depend is missing (was hanging before);
752      - add option "-pgroups" to specify a different pkg_groups than the default.
753    o verification/adjustment.cs-32x32x1:
754       add a "minimal" set-up test (code_min & input_min) which only compiles
755       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
756    o tools/genmake2
757      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
758      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
759    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
760      files are nearly the same anyway.
761      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
762       - redefinition of tau(i,i) (by a factor of ustar)
763       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
764       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
765       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
766       - replace
767         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
768         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
769         by
770         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
771         (changes results)
772       -> exf_bulkformulae v1.22,
773          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
774          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
775                    output.txt 1.63
776           offline_exf_seaice: output.seaicetd.txt 1.7
777           seaice_obcs: output.txt 1.10)
778      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
779       -> exf_bulkformulae v1.23,
780          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
781          and global_ocean.cs32x15.icedyn (only 11 matching digits)
782      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
783    o adjoint of exch-1:
784     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
785       (note: was already like this when using EXCH-2) and remove flow dir
786       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
787     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
788     - update pkg/exch2 diff list.
789    
790    checkpoint62g (2010/05/19)
791    o eesupp/src (exch-1):
792     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
793       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
794       (renamed to exch1_*rx_cube.F).
795     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
796       to call new exch1 S/R ; update Makefile and .cvsignore.
797     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
798       exch2_xy_rx later)
799      Note: after updating your code, need to run "make clean" in eesupp/src
800    o test experiment bottom_ctrl_5x5:
801       new output_adm.txt with fewer grdchk & less monitor output.
802    o model/src:
803      remove the call to ini_cori in initialise_varia.F (just keep the usual one
804       in initialise_fixed.F). More consistent with coriolis & horizontal grid
805       beeing treated in the same way (ini_grid is not called a 2nd time).
806    o pkg/exf:
807      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
808      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
809      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
810      - cosmetic changes to exf_bulkformulae.F to make it look more like
811        exf_bulk_largeyeager04.F
812    o eesupp/src (exch-1):
813      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
814      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
815        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
816        (even without using MPI).
817      - Message mode: move RecvAck setting (indicator of buffer being ready)
818        from send_put to recv_get S/R (was useless before, but not sure if
819        it's much more useful now);
820      - Switch the order of sync: MPI-proc 1rst and then threads;
821      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
822      - fix AD code for communication mode ='get' (but not used).
823    o model/src:
824      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
825      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
826    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
827    o pkg/ctrl: require a specific set of control variables and exf-flags for
828      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
829    o model/src:
830     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
831       1rst forward sweep, to avoid over-writing output files during recomputations
832       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
833     b) 2nd version:
834      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
835      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
836         writePickupAtEnd) + seaice & ptracers output;
837      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
838    o model/src:
839      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
840    o pkg/exch2:
841      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
842      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
843    o pkg/autodiff & exch2:
844      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
845      (for now, only if ALLOW_EXCH2 is defined).
846    o pkg/autodiff:
847      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
848        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
849       + clean-up comments (_RS is not always real*4)
850      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
851      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
852        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
853    o testreport (AD-tests):
854      no longer link files from dir "../input" (1rst link files from
855      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
856    
857    checkpoint62f (2010/04/29)
858    o model/src/the_main_loop.F:
859      adjust store directives for seaice evp and multicategory according to
860      pkg/ecco/the_main_loop.F
861    o adjoint:
862      global_sum_ad was incomplete (noted many times by many people ;)
863      nice description by Jean U. as follows:
864      * allreduce(var) in global_sum.F can be interpreted as
865        reduce(sum) followed by broadcast of sum.
866      * The adjoint of that is
867        sum(adjoint) followed by broadcast(summed adjoint value)
868        or in other words, allreduce(sum, adjoint vars)
869      We were missing the sum(adjoint)!
870      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
871      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
872      The fix should produce 16-digit accuracy between
873      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
874      multi-CPU single-tile (e.g. nSx=1, nPx-2)
875      We'll probably change this yet again shortly
876    o eesupp/src:
877      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
878    o pkg/icefront
879      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
880        specification of addmass array based on a 2D field, which is added
881        at bottommost wet level at each horizontal location.
882    o model/src:
883     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
884     layout; (not always compatible with delX,delY setting; commented out for now).
885    o pkg/exch2:
886     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
887     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
888    
889    checkpoint62e (2010/04/15)
890    o pkg/obcs:
891      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
892    o pkg/dic:
893      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
894        (note: not presently tested in any forward verification exp.)
895       update tutorial_global_oce_biogeo AD output file.
896    o pkg/exf:
897      - account for the variation of albedo as a function of zenith angle
898        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
899    o build_options:
900     - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
901    o pkg/dic:
902      change DIC atmos-CO2 box (method 3, dic_int1=3) initialisation & restart:
903      - use binary pickup file for restart;
904      - initialise atmos-CO2 box from dic_pCO2 parameter;
905      - fix multi-threaded.
906    o pkg/rbcs:
907     - clean-up RBCS code: add RBCS_OPTIONS.h file ; fix multi-threaded ;
908       change (+ fix IO calls) type of array RBC_mask from _RL to _RS.
909     - add RBCS to exp4 passive tracer 01 (rbcs was previously untested)
910       and update output.txt
911    o pkg/kpp:
912     - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;
913     - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS
914       (= ratio of KPP non-local (salt) flux relative to surface-flux) when
915       using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');
916     - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file
917       KPP_ghatKFile (instead of the average of KPPghat from file KPP_ghatFile).
918    o pkg/offline:
919      fix bug in S/R OFFLINE_FIELDS_LOAD regarding surfaceForcing conversion factor
920      (bug was added in version 1.10 on 2007-08-23).
921    o pkg/offline:
922      - no need to specify periodicExternalForcing, etc ... to use offline pack
923      - offline input files no longer just single prec --> parameter offlineLoadPrec
924    o verification/lab_sea:
925      change AD test to multi-tile setup and update all 4 AD output.
926      NOTE: while cost function values remain very similar,
927      gradients are very different, although gradient checks are self-consistent
928      Should try to get to the bottom of this (cost function summation order?)
929    o pkg/dic:
930      in carbon_chem.F, replace log10 (AUTODIFF) with explicit form to avoid
931      a weakness of TAF that drops part of double precision in log10 derivative.
932      <= changes removed since problem has been fixed in current TAF version 1.9.71
933      update AD output of exp. tutorial_dic_adjoffline & tutorial_global_oce_biogeo.
934    o pkg/ecco:
935      add missing "_d 0" in cost_readers.F, cost_readtopex.F & cost_readtopexmean.F
936      update all 4 lab_sea AD output.
937    
938  checkpoint62d (2010/03/22)  checkpoint62d (2010/03/22)
939  o build_options:  o build_options:
940    remove '-r8' (and '-i4') from linux_*pgf and linux_*ifort optfiles.    remove '-r8' (and '-i4') from linux_*pgf and linux_*ifort optfiles.
# Line 37  o tools/build_options: Line 968  o tools/build_options:
968      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
969  o pkg/ecco  o pkg/ecco
970    - allow user defined cost function contributions    - allow user defined cost function contributions
971          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
972          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
973    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
974        the two options are complementary.        the two options are complementary.
975  o pkg/smooth  o pkg/smooth

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