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revision 1.1264 by gforget, Fri May 7 18:37:44 2010 UTC revision 1.1328 by dimitri, Mon Nov 8 21:50:55 2010 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o pkg/seaice:
8      o remove SEAICE_OLD_AND_BAD_DISCRETIZATION-code, add a test to
9        seaice_check that stops the model, when the CPP flag is used.
10      o seaice_growth.F: make capping of ice volume conserving by returning the
11        capped ice as freshwater to EmPmR. This does not change the verification
12        experiments but will change runs where the capping is acutally active
13    o change reference platform+compiler from faulks+g77 to baudelaire+gfortran
14      (except the 2 fizhi test exp.); update output of exp.: bottom_ctrl_5x5,
15         global_ocean.cs32x15 (icedyn, thsice, AD thsice), global_ocean_ebm (AD),
16         lab_sea (fd, hb87, salt_plume), MLAdjust (3/5) and vermix (dd)
17    o tools/genmake2:
18      - merge genmake_warnings & genmake_errors into 1 log file: "genmake.log")
19      - change DUMPSTATE default to false (can use "-ds" option to switch it to T)
20      - clean previous genmake log files before anything else.
21      - change Makefile to remove testreport log files (*.tr_log) and genmake log
22        files only with "CLEAN" target (instead of "Clean");
23    o pkg/generic_advdiff:
24      Change OBCS in multiDim advection (gad_advection.F):
25       Use maskInC to prevent intermediate update of tracer-field in OB regions,
26       thus keeping current-time-step OB values; and remove the call to OBCS_APPLY
27       which were applying future time-step OB values.
28      This way, all explicit calculations use current-time-step OB values
29       (simpler and more consistent).
30      Affects results when set-up uses time-varying OBC and multi-dim advection;
31       update output of experiment seaice_obcs.
32    o pkg/seaice:
33      move OPTIONS (formerly locally defined) to SEAICE_OPTIONS.h:
34       this includes SEAICE_GROWTH_LEGACY (+ SEAICE_DO_OPEN_WATER_GROWTH &
35         SEAICE_OCN_MELT_ACT_ON_AREA ) and SEAICE_SOLVE4TEMP_LEGACY.
36      Default (pkg/seaice/SEAICE_OPTIONS.h) is to define SEAICE_SOLVE4TEMP_LEGACY
37       but leave SEAICE_GROWTH_LEGACY undef ; For now, keep verification exp
38       unchanged (SEAICE_GROWTH_LEGACY defined in */code*/SEAICE_OPTIONS.h)
39    o pkg aim (2010/10/26):
40      - Introduce ALLOW_INSOLATION, moving toward a more general incoming solar radiation
41        formulation with obliquity, eccentricity, ... as run-time parameters,
42      - Introduce diagnostics for top-of-the-atmaophere incoming solar radiation and
43        upward shortwave radition at the surface (all-sky and clear-sky).
44    o pkg/obcs:
45      - writing sections with globalFiles=T does not work: switch to tiled-files
46        when writing sections for OBCS (change pkg/rw/write_rec.F accordingly).
47      - fix index bug (OB_Ie -> OB_Iw_) in obcs_apply_uvice.F
48      - apply OBCS_SEAICE_COMPUTE_UVICE to both uice and vice at all obcs
49    
50    checkpoint62m (2010/10/21)
51    o pkg/seaice: vectorize seaice_solve4temp.F
52      - move iterations loops outside of i/j-loops
53      - requires 2D arrays for TB and effConduct
54      - add 2D iceOrNot to replace HICE_ACTUAL.GT.0, as HICE_ACTUAL is
55        modified in this routine
56      - a little bit of clean up, adjusting indentation, etc.
57      - replaced a few TEN**a by exp(a*log(10.)) in new code for better
58        performance and '**TWO' by '**2' (because TWO is a float),
59        replaced ONE, ZERO
60    o eesupp/src:
61       fix flow dir for exch1_z_RX_cube, exch1_uv_RX_cube & exch1_bg_RX_cube
62    o pkg/seaice/seaice_growth.F
63      Revision 1.89 of seaice_growth.F completes the overall october 2010 revision and
64      merging process. The merged routine has two branches, and one activates the 'evolution'
65      branch by setting SEAICE_GROWTH_LEGACY to undef (at the top of the routine for now).
66      In summary, here is what the '10/10 revision' did consist of
67        part 1: seaice_growth.F revisions 1.71 to 1.75
68          - Preliminary seaice_growth.F clean-up, keeping test results strictly unchanged.
69            The emphasis here was on improving readability (e.g. by trying to use meaningful
70            variable names) and modularity (e.g. by adding arrays to store heff etc. updates).
71        part 1.5:
72          - revising the lab_sea experiment to make it a more useful (i.e. stable
73            and representative of an actual model run). This was done by generating a
74            (winter) pickup to start from, switching back the main experiment dynamic
75            solver from evp to lsr, having one of the experiments use the free drift solution.
76        part 2: seaice_growth.F revisions 1.76 to 1.85
77          - Sorting out hard-coded constants that prevented heat and fresh water conservation.
78          - Sorting out the various fields units and sign (set early on and reset at the end)
79            to avoid numerous scalings/re-scalings. By v1.85 the basic unit for ice, heat and
80            fresh water stock is 'effective ice meters', and >0 implies more ice/snow.
81          - Using tendency terms arrays (d_HEFF* etc.) to alleviate remaining code locks,
82            and simplifying logical expressions to further improve readibility.
83        part 3: seaice_growth.F revisions 1.86 to 1.89
84          - Re-organize the blocks of code more logically.
85          - Merging the '_if.F' pieces that add something new.
86    o pkg/thsice:
87      - vectorize thsice_solve4temp and thsice_get_exf.
88        Problem: thsice_solve4temp has an unvectorizable statement that
89        might also be problematic for TAF
90      - thsice_get_exf: add the ALLOW_BULK_LARGEYEAGER04 CPP-flag. This
91        does not change the verifcation experiment, but will change all
92        experiments that have this flag undefined (not tested in verification);
93        a little reorganization to save a few 2D fields and recomputations
94      - 1st step of revisiting thsice adjoint (major recomp. sorted out)
95      - 2nd step:  fix some store dirs
96        o seems to work somewhat, i.e. using ifort but not g77
97        o likely cause are incomplete init. or recomputation
98        o start verification/global_ocean.cs32x15/input_ad.thsice
99    o pkg/obcs: add support for exch2
100      - the position of the boundary and prescribed values are specified using
101        a global domain with exch2 facets stacked
102        - in x for N,S boundaries (like W2_mapIO=-1)
103        - in y for E,W boundaries (so E,W boundaries do not overlap)
104    o pkg/mdsio: add support for writing global sections with exch2
105        file layout is as for obcs described above:
106        - for x-z sections, facets are stacked in x (like W2_mapIO=-1)
107        - for y-z sections, facets are stacked in y
108    o pkg/thsice:
109       - change a few routines for better vectorization: thsice_albedo.F,
110         thsice_step_temp.F, and in thsice_calc_thickn.F. Results are
111         not affected, but in particular the latter routine has changed
112         dramatically (not necessarily easier to read now).
113       - re-arrange calculation in THSICE_SOLVE4TEMP: move outside of i,j loops
114       iteration loop and call to S/R THSICE_GET_BULKF & THSICE_GET_EXF.
115    o verification/lab_sea:
116      - overhaul of the forward model experiments. The main motivation
117        for this revision is that lab_sea has proven quite fragile (when
118        changing the sea-ice code, and switching platforms) to a point
119        when failures were very hard to attribute to specific code problems.
120      - the suspected reason for this fragility is noise amplification by evp so,
121        to start with, we decided to replace evp with lsr in the main experiment.
122      - the input.lsr experiment thus became obsolete and was removed.
123      - it was replaced with the input.fd experiment that uses an
124        analytical "free drift" solution as the ice velocity field.
125      - Taken together, input (lsr), input.fd (free drift) and input.hb87 (evp)
126        will hopefully allow us to discriminate problems due to dynamic solvers
127        from problems due to the thermodynamic code. input.salt_plume (lsr) allows
128        us to test additional options, along with the salt plume package.
129      - Finally a pickup was generated (at the end of a one year run) to
130        make the tests more representative of an actual model run. Previously
131        the tests starting point was a 1m thickness of ice everywhere.
132    o pkg/seaice:
133      - introducing S\R seaice_freedrift.F that compute the
134        analytical solution to an approximate ice momentum
135        equation (i.e. the simple stress/coriolis balance).
136      - define SEAICE_ALLOW_FREEDRIFT to trigger the computation
137        of the free drift velocity field, and enable its use.
138        To actually use the free drift solution as the model ice
139        velocity field set SEAICEuseFREEDRIFT to .TRUE. in data.seaice.
140    o move "useOASIS" from PARAMS.h to EEPARAMS.h and read it from "eedata"
141    
142    checkpoint62l (2010/10/04)
143    o pkg/seaice:
144      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
145      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
146       version (with USE_ORIGINAL_SBI undef);
147    o add hooks for new packages OASIS, the package will follow
148      (hooks exclude the seaice pkg for now)
149    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
150      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
151      rather than mdsio_readvector.F/mdsio_writevector.F, within
152      adread_adwrite.F to read/write adjoint-related tapes to disk.
153    o eesupp and pkg/mdsio: ALLOW_WHIO
154      Option to write/read 2D fields to files including tiles halos.
155      The main purpose is for adjoint related "tape I/O".
156      The secondary purpose is for debugging phases.
157      A word on those rather specifically intended purposes.
158      The code was meant to be stripped down to the bare minimum.
159      Typically, there is a unique and basic mapping to the global
160      buffer (tile by tile, then proc by proc, then level by level), and
161      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
162      meant to generate user friendly outputs of various shapes and forms.
163      Rather it is intended, for the knowledgeabale developers,
164      to be largely independent of the many mdsio options, to allow
165      outputs of tiles+halos in debugging phases and in adjoint runs,
166      and to allow some flexibility in tuning (adoint) I/O depending on each
167      file system behavior. With regard to tuning, most of the potential knobs
168      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
169      to specify directories, to specify the typical size of I/O calls, etc.)
170      are not yet included, and will be added if they prove useful.
171    o pkg/seaice:
172       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
173    o pkg/seaice:
174       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
175       code (seaice_budget_ice_if.F) which enable to recover old standard
176       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
177       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
178    o model/src (rStar):
179       use simple average (not area weighted) of rStarFac at U,V point when using
180       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
181       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
182    
183    checkpoint62k (2010/09/17)
184    o adjoint
185       * changed verification/global_ocean.cs32x15 ; adjoint now tests
186         Adams-Bashforth 3 + NLFS + RSTAR
187       * some more modifs required for ECCO-GODAE v4
188    o pkg/seaice
189       add SEAICE_AGE_VOL option to use volume instead of area for
190       integrating SEAICE_AGE
191    o model/src:
192       first check-in of sigma & hybrid-sigma coordinate code ; also includes
193       non-linear free-surface parts ; but pressure-gradient not yet coded.
194    o pkg/ptracers:
195       option for ptracer to convert Salt Relax into additional EmP.
196        tested in exp. global_ocean.90x40x15.dwnslp (update output)
197    
198    checkpoint62j (2010/08/25)
199    o pkg/ggl90:
200       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
201    o pkg/dic: car_flux.F, phos_flux.F
202      - reduce number of exp-calls in order to improve performance
203      - clean up a little (replace fields by their macros, etc., fix
204        typo in CPP-flag)
205    o pkg/ggl90: minor changes
206      - GGL90diffKrS was removed --> always use GGL90diffKr
207      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
208      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
209        (commented out for now)
210      - change in max/min operations to ensure that smoothing is ok
211      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
212      - always use diffKrNrT as background profile (i.e. never use diffKr field)
213    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
214    o pkg/dic:
215      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
216        vectorization
217      - small bug fix in insol for the unlikely case of a cartesian grid
218      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
219        + now vectorize, which also removes adjoint recomputations;
220        + replace integer maksp1 by _RL maskp1
221        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
222    
223    checkpoint62i (2010/07/21)
224    o pkg/flt:
225      - with OBCS: stop floats which enter the OB region
226    o model/src:
227      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
228        for implicit vertical advection.
229    o pkg/seaice:
230     - account for melting in seaice age evolution.
231     - remove double counting of seaice ridging effect on seaice age.
232    
233    checkpoint62h (2010/06/18)
234    o pkg/exch2:
235     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
236    o tools/genmake2
237      - remove "-pdefault" option: redundant with the use of "packages.conf";
238      - remove file pkg/pkg_default : set the default as a pkg group
239        ("default_pkg_list") defined in pkg/pkg_groups;
240      - fix for case pkg/pkg_depend is missing (was hanging before);
241      - add option "-pgroups" to specify a different pkg_groups than the default.
242    o verification/adjustment.cs-32x32x1:
243       add a "minimal" set-up test (code_min & input_min) which only compiles
244       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
245    o tools/genmake2
246      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
247      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
248    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
249      files are nearly the same anyway.
250      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
251       - redefinition of tau(i,i) (by a factor of ustar)
252       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
253       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
254       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
255       - replace
256         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
257         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
258         by
259         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
260         (changes results)
261       -> exf_bulkformulae v1.22,
262          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
263          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
264                    output.txt 1.63
265           offline_exf_seaice: output.seaicetd.txt 1.7
266           seaice_obcs: output.txt 1.10)
267      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
268       -> exf_bulkformulae v1.23,
269          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
270          and global_ocean.cs32x15.icedyn (only 11 matching digits)
271      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
272    o adjoint of exch-1:
273     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
274       (note: was already like this when using EXCH-2) and remove flow dir
275       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
276     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
277     - update pkg/exch2 diff list.
278    
279    checkpoint62g (2010/05/19)
280    o eesupp/src (exch-1):
281     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
282       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
283       (renamed to exch1_*rx_cube.F).
284     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
285       to call new exch1 S/R ; update Makefile and .cvsignore.
286     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
287       exch2_xy_rx later)
288      Note: after updating your code, need to run "make clean" in eesupp/src
289    o test experiment bottom_ctrl_5x5:
290       new output_adm.txt with fewer grdchk & less monitor output.
291    o model/src:
292      remove the call to ini_cori in initialise_varia.F (just keep the usual one
293       in initialise_fixed.F). More consistent with coriolis & horizontal grid
294       beeing treated in the same way (ini_grid is not called a 2nd time).
295    o pkg/exf:
296      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
297      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
298      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
299      - cosmetic changes to exf_bulkformulae.F to make it look more like
300        exf_bulk_largeyeager04.F
301    o eesupp/src (exch-1):
302      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
303      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
304        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
305        (even without using MPI).
306      - Message mode: move RecvAck setting (indicator of buffer being ready)
307        from send_put to recv_get S/R (was useless before, but not sure if
308        it's much more useful now);
309      - Switch the order of sync: MPI-proc 1rst and then threads;
310      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
311      - fix AD code for communication mode ='get' (but not used).
312    o model/src:
313      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
314      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
315    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
316    o pkg/ctrl: require a specific set of control variables and exf-flags for
317      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
318    o model/src:
319     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
320       1rst forward sweep, to avoid over-writing output files during recomputations
321       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
322     b) 2nd version:
323      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
324      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
325         writePickupAtEnd) + seaice & ptracers output;
326      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
327  o model/src:  o model/src:
328    - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.    - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
329  o pkg/exch2:  o pkg/exch2:
330    - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;    - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
331    - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).    - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
332  o pkg/autodiff & exch2:  o pkg/autodiff & exch2:
333    process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF    process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
334    (for now, only if ALLOW_EXCH2 is defined).    (for now, only if ALLOW_EXCH2 is defined).
335  o pkg/autodiff:  o pkg/autodiff:
336    - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F    - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
337      (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.      (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
338     + clean-up comments (_RS is not always real*4)     + clean-up comments (_RS is not always real*4)
339    - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)    - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
# Line 137  o tools/build_options: Line 457  o tools/build_options:
457      but keep the former optfile for few weeks for smooth transition      but keep the former optfile for few weeks for smooth transition
458  o pkg/ecco  o pkg/ecco
459    - allow user defined cost function contributions    - allow user defined cost function contributions
460          CPP: ALLOW_USERCOST_CONTRIBUTION       CPP: ALLOW_USERCOST_CONTRIBUTION
461          USAGE: compute contributions in cost_usercost_all.F       USAGE: compute contributions in cost_usercost_all.F
462    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.    - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
463        the two options are complementary.        the two options are complementary.
464  o pkg/smooth  o pkg/smooth

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