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revision 1.1230 by gforget, Wed Feb 17 00:54:35 2010 UTC revision 1.1291 by mlosch, Wed Aug 18 12:20:23 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/dic: car_flux.F, phos_flux.F
8      - reduce number of exp-calls in order to improve performance
9      - clean up a little (replace fields by their macros, etc., fix
10        typo in CPP-flag)
11    o pkg/ggl90: minor changes
12      - GGL90diffKrS was removed --> always use GGL90diffKr
13      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
14      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level (commented out for now)
15      - change in max/min operations to ensure that smoothing is ok
16      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
17      - always use diffKrNrT as background profile (i.e. never use diffKr field)
18    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
19    o pkg/dic:
20      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
21        vectorization
22      - small bug fix in insol for the unlikely case of a cartesian grid
23      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
24        + now vectorize, which also removes adjoint recomputations;
25        + replace integer maksp1 by _RL maskp1
26        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
27    
28    checkpoint62i (2010/07/21)
29    o pkg/flt:
30      - with OBCS: stop floats which enter the OB region
31    o model/src:
32      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
33        for implicit vertical advection.
34    o pkg/seaice:
35     - account for melting in seaice age evolution.
36     - remove double counting of seaice ridging effect on seaice age.
37    
38    checkpoint62h (2010/06/18)
39    o pkg/exch2:
40     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
41    o tools/genmake2
42      - remove "-pdefault" option: redundant with the use of "packages.conf";
43      - remove file pkg/pkg_default : set the default as a pkg group
44        ("default_pkg_list") defined in pkg/pkg_groups;
45      - fix for case pkg/pkg_depend is missing (was hanging before);
46      - add option "-pgroups" to specify a different pkg_groups than the default.
47    o verification/adjustment.cs-32x32x1:
48       add a "minimal" set-up test (code_min & input_min) which only compiles
49       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
50    o tools/genmake2
51      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
52      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
53    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
54      files are nearly the same anyway.
55      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
56       - redefinition of tau(i,i) (by a factor of ustar)
57       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
58       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
59       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
60       - replace
61         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
62         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
63         by
64         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
65         (changes results)
66       -> exf_bulkformulae v1.22,
67          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
68          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
69                    output.txt 1.63
70           offline_exf_seaice: output.seaicetd.txt 1.7
71           seaice_obcs: output.txt 1.10)
72      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
73       -> exf_bulkformulae v1.23,
74          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
75          and global_ocean.cs32x15.icedyn (only 11 matching digits)
76      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
77    o adjoint of exch-1:
78     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
79       (note: was already like this when using EXCH-2) and remove flow dir
80       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
81     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
82     - update pkg/exch2 diff list.
83    
84    checkpoint62g (2010/05/19)
85    o eesupp/src (exch-1):
86     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
87       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
88       (renamed to exch1_*rx_cube.F).
89     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
90       to call new exch1 S/R ; update Makefile and .cvsignore.
91     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
92       exch2_xy_rx later)
93      Note: after updating your code, need to run "make clean" in eesupp/src
94    o test experiment bottom_ctrl_5x5:
95       new output_adm.txt with fewer grdchk & less monitor output.
96    o model/src:
97      remove the call to ini_cori in initialise_varia.F (just keep the usual one
98       in initialise_fixed.F). More consistent with coriolis & horizontal grid
99       beeing treated in the same way (ini_grid is not called a 2nd time).
100    o pkg/exf:
101      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
102      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
103      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
104      - cosmetic changes to exf_bulkformulae.F to make it look more like
105        exf_bulk_largeyeager04.F
106    o eesupp/src (exch-1):
107      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
108      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
109        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
110        (even without using MPI).
111      - Message mode: move RecvAck setting (indicator of buffer being ready)
112        from send_put to recv_get S/R (was useless before, but not sure if
113        it's much more useful now);
114      - Switch the order of sync: MPI-proc 1rst and then threads;
115      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
116      - fix AD code for communication mode ='get' (but not used).
117    o model/src:
118      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
119      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
120    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
121    o pkg/ctrl: require a specific set of control variables and exf-flags for
122      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
123    o model/src:
124     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
125       1rst forward sweep, to avoid over-writing output files during recomputations
126       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
127     b) 2nd version:
128      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
129      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
130         writePickupAtEnd) + seaice & ptracers output;
131      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
132    o model/src:
133      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
134    o pkg/exch2:
135      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
136      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
137    o pkg/autodiff & exch2:
138      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
139      (for now, only if ALLOW_EXCH2 is defined).
140    o pkg/autodiff:
141      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
142        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
143       + clean-up comments (_RS is not always real*4)
144      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
145      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
146        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
147    o testreport (AD-tests):
148      no longer link files from dir "../input" (1rst link files from
149      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
150    
151    checkpoint62f (2010/04/29)
152    o model/src/the_main_loop.F:
153      adjust store directives for seaice evp and multicategory according to
154      pkg/ecco/the_main_loop.F
155    o adjoint:
156      global_sum_ad was incomplete (noted many times by many people ;)
157      nice description by Jean U. as follows:
158      * allreduce(var) in global_sum.F can be interpreted as
159        reduce(sum) followed by broadcast of sum.
160      * The adjoint of that is
161        sum(adjoint) followed by broadcast(summed adjoint value)
162        or in other words, allreduce(sum, adjoint vars)
163      We were missing the sum(adjoint)!
164      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
165      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
166      The fix should produce 16-digit accuracy between
167      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
168      multi-CPU single-tile (e.g. nSx=1, nPx-2)
169      We'll probably change this yet again shortly
170    o eesupp/src:
171      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
172    o pkg/icefront
173      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
174        specification of addmass array based on a 2D field, which is added
175        at bottommost wet level at each horizontal location.
176    o model/src:
177     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
178     layout; (not always compatible with delX,delY setting; commented out for now).
179    o pkg/exch2:
180     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
181     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
182    
183    checkpoint62e (2010/04/15)
184    o pkg/obcs:
185      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
186    o pkg/dic:
187      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
188        (note: not presently tested in any forward verification exp.)
189       update tutorial_global_oce_biogeo AD output file.
190    o pkg/exf:
191      - account for the variation of albedo as a function of zenith angle
192        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
193    o build_options:
194     - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
195    o pkg/dic:
196      change DIC atmos-CO2 box (method 3, dic_int1=3) initialisation & restart:
197      - use binary pickup file for restart;
198      - initialise atmos-CO2 box from dic_pCO2 parameter;
199      - fix multi-threaded.
200    o pkg/rbcs:
201     - clean-up RBCS code: add RBCS_OPTIONS.h file ; fix multi-threaded ;
202       change (+ fix IO calls) type of array RBC_mask from _RL to _RS.
203     - add RBCS to exp4 passive tracer 01 (rbcs was previously untested)
204       and update output.txt
205    o pkg/kpp:
206     - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;
207     - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS
208       (= ratio of KPP non-local (salt) flux relative to surface-flux) when
209       using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');
210     - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file
211       KPP_ghatKFile (instead of the average of KPPghat from file KPP_ghatFile).
212    o pkg/offline:
213      fix bug in S/R OFFLINE_FIELDS_LOAD regarding surfaceForcing conversion factor
214      (bug was added in version 1.10 on 2007-08-23).
215    o pkg/offline:
216      - no need to specify periodicExternalForcing, etc ... to use offline pack
217      - offline input files no longer just single prec --> parameter offlineLoadPrec
218    o verification/lab_sea:
219      change AD test to multi-tile setup and update all 4 AD output.
220      NOTE: while cost function values remain very similar,
221      gradients are very different, although gradient checks are self-consistent
222      Should try to get to the bottom of this (cost function summation order?)
223    o pkg/dic:
224      in carbon_chem.F, replace log10 (AUTODIFF) with explicit form to avoid
225      a weakness of TAF that drops part of double precision in log10 derivative.
226      <= changes removed since problem has been fixed in current TAF version 1.9.71
227      update AD output of exp. tutorial_dic_adjoffline & tutorial_global_oce_biogeo.
228    o pkg/ecco:
229      add missing "_d 0" in cost_readers.F, cost_readtopex.F & cost_readtopexmean.F
230      update all 4 lab_sea AD output.
231    
232    checkpoint62d (2010/03/22)
233    o build_options:
234      remove '-r8' (and '-i4') from linux_*pgf and linux_*ifort optfiles.
235    o remove unbalanced quote (single or double) in commented line of source code
236      (may cause some warning with some preprocessor/makedepend versions).
237    o pkg/seaice:
238      fix seaice_model.F for adjoint (gael) and update AD results of experiments
239       lab_sea (std + evp + noseaicedyn) and offline_exf_seaice.
240    o testreport:
241      add option '-runonly' (short: '-ro') to just do the run part (without make).
242    o eesupp: remove JAM communication code (obsolete).
243    o add option to genmake2 & testreport to switch "_RS" type to "real*4"
244      (if allowed in CPP_EEOPTIONS.h); update default CPP_EEOPTIONS.h and return
245      to default CPP_EEOPTIONS.h for exp. inverted_barometer & solid-body.cs-32x32x1
246      (update also the output).
247    
248    checkpoint62c (2010/03/02)
249    o tools/build_options :
250       move (some) old optfiles from build_options/ to build_options/unsupported/
251    o model/src and pkg/exf
252       surface relaxation -- separating data and data.exf options
253       The point is to ensure that we specify the surface relaxation
254       either in data or in data.exf (but not half and half) and to
255       avoid an accidental relaxation to 0 (which happened if a time
256       scale was specified but the file name was left empty)
257  o model/src model/inc and pkg/mom_common  o model/src model/inc and pkg/mom_common
258     ALLOW_3D_VISCAH/ALLOW_3D_VISCA4 => 3D specification of Viscosity     ALLOW_3D_VISCAH/ALLOW_3D_VISCA4 => 3D specification of Viscosity
259     => addition to the viscosity field as computed by others schemes     => addition to the viscosity field as computed by others schemes

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