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revision 1.1204 by jmc, Tue Dec 8 00:35:38 2009 UTC revision 1.1261 by jmc, Tue May 4 16:03:04 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/autodiff:
8      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
9        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
10       + clean-up comments (_RS is not always real*4)
11      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
12      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
13        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
14    o testreport (AD-tests):
15      no longer link files from dir "../input" (1rst link files from
16      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
17    
18    checkpoint62f (2010/04/29)
19    o model/src/the_main_loop.F:
20      adjust store directives for seaice evp and multicategory according to
21      pkg/ecco/the_main_loop.F
22    o adjoint:
23      global_sum_ad was incomplete (noted many times by many people ;)
24      nice description by Jean U. as follows:
25      * allreduce(var) in global_sum.F can be interpreted as
26        reduce(sum) followed by broadcast of sum.
27      * The adjoint of that is
28        sum(adjoint) followed by broadcast(summed adjoint value)
29        or in other words, allreduce(sum, adjoint vars)
30      We were missing the sum(adjoint)!
31      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
32      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
33      The fix should produce 16-digit accuracy between
34      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
35      multi-CPU single-tile (e.g. nSx=1, nPx-2)
36      We'll probably change this yet again shortly
37    o eesupp/src:
38      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
39    o pkg/icefront
40      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
41        specification of addmass array based on a 2D field, which is added
42        at bottommost wet level at each horizontal location.
43    o model/src:
44     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
45     layout; (not always compatible with delX,delY setting; commented out for now).
46    o pkg/exch2:
47     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
48     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
49    
50    checkpoint62e (2010/04/15)
51    o pkg/obcs:
52      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
53    o pkg/dic:
54      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
55        (note: not presently tested in any forward verification exp.)
56       update tutorial_global_oce_biogeo AD output file.
57    o pkg/exf:
58      - account for the variation of albedo as a function of zenith angle
59        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
60    o build_options:
61     - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
62    o pkg/dic:
63      change DIC atmos-CO2 box (method 3, dic_int1=3) initialisation & restart:
64      - use binary pickup file for restart;
65      - initialise atmos-CO2 box from dic_pCO2 parameter;
66      - fix multi-threaded.
67    o pkg/rbcs:
68     - clean-up RBCS code: add RBCS_OPTIONS.h file ; fix multi-threaded ;
69       change (+ fix IO calls) type of array RBC_mask from _RL to _RS.
70     - add RBCS to exp4 passive tracer 01 (rbcs was previously untested)
71       and update output.txt
72    o pkg/kpp:
73     - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;
74     - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS
75       (= ratio of KPP non-local (salt) flux relative to surface-flux) when
76       using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');
77     - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file
78       KPP_ghatKFile (instead of the average of KPPghat from file KPP_ghatFile).
79    o pkg/offline:
80      fix bug in S/R OFFLINE_FIELDS_LOAD regarding surfaceForcing conversion factor
81      (bug was added in version 1.10 on 2007-08-23).
82    o pkg/offline:
83      - no need to specify periodicExternalForcing, etc ... to use offline pack
84      - offline input files no longer just single prec --> parameter offlineLoadPrec
85    o verification/lab_sea:
86      change AD test to multi-tile setup and update all 4 AD output.
87      NOTE: while cost function values remain very similar,
88      gradients are very different, although gradient checks are self-consistent
89      Should try to get to the bottom of this (cost function summation order?)
90    o pkg/dic:
91      in carbon_chem.F, replace log10 (AUTODIFF) with explicit form to avoid
92      a weakness of TAF that drops part of double precision in log10 derivative.
93      <= changes removed since problem has been fixed in current TAF version 1.9.71
94      update AD output of exp. tutorial_dic_adjoffline & tutorial_global_oce_biogeo.
95    o pkg/ecco:
96      add missing "_d 0" in cost_readers.F, cost_readtopex.F & cost_readtopexmean.F
97      update all 4 lab_sea AD output.
98    
99    checkpoint62d (2010/03/22)
100    o build_options:
101      remove '-r8' (and '-i4') from linux_*pgf and linux_*ifort optfiles.
102    o remove unbalanced quote (single or double) in commented line of source code
103      (may cause some warning with some preprocessor/makedepend versions).
104    o pkg/seaice:
105      fix seaice_model.F for adjoint (gael) and update AD results of experiments
106       lab_sea (std + evp + noseaicedyn) and offline_exf_seaice.
107    o testreport:
108      add option '-runonly' (short: '-ro') to just do the run part (without make).
109    o eesupp: remove JAM communication code (obsolete).
110    o add option to genmake2 & testreport to switch "_RS" type to "real*4"
111      (if allowed in CPP_EEOPTIONS.h); update default CPP_EEOPTIONS.h and return
112      to default CPP_EEOPTIONS.h for exp. inverted_barometer & solid-body.cs-32x32x1
113      (update also the output).
114    
115    checkpoint62c (2010/03/02)
116    o tools/build_options :
117       move (some) old optfiles from build_options/ to build_options/unsupported/
118    o model/src and pkg/exf
119       surface relaxation -- separating data and data.exf options
120       The point is to ensure that we specify the surface relaxation
121       either in data or in data.exf (but not half and half) and to
122       avoid an accidental relaxation to 0 (which happened if a time
123       scale was specified but the file name was left empty)
124    o model/src model/inc and pkg/mom_common
125       ALLOW_3D_VISCAH/ALLOW_3D_VISCA4 => 3D specification of Viscosity
126       => addition to the viscosity field as computed by others schemes
127    o tools/build_options:
128      - rename "_generic_mpi" -> "+mpi_generic" (like other "+mpi" optfile)
129        but keep the former optfile for few weeks for smooth transition
130    o pkg/ecco
131      - allow user defined cost function contributions
132            CPP: ALLOW_USERCOST_CONTRIBUTION
133            USAGE: compute contributions in cost_usercost_all.F
134      - note: this is identical to what ALLOW_GENCOST_CONTRIBUTION once was.
135          the two options are complementary.
136    o pkg/smooth
137      - migration from contrib to the main repository
138    
139    checkpoint62b (2010/01/26)
140    o pkg/monitor:
141      - change back mon_printstats_rl.F & mon_stats_rl.F and add a stop
142        (in case someone forgot to update customized pieces of code)
143    o nonHydrostatic:
144      - add Non-hydrostatic free-surface form (selectNHfreeSurf=1)(not fully tested);
145      - add a simple 2-D experiment (short_surf_wave) to test it.
146    o pkg/icefront:
147       adding the shell of, and the hooks to, a new package that
148       will model melting and freezing of vertical glacier ice fronts
149    o momentum:
150      add diagnostics of momentum tendency from Hydrostatic pressure gradient
151       (without surf.pressure term: would need a 2nd filling since implicit term).
152    o add 3 "_d 0"s so that fizhi compiles with xlf on iblade, and replace
153      two " &end" by " &" (in fizhi-cs-*) because S/R NML_SET_TERMINATOR
154      cannot deal with the former
155    o cleaning:
156      - remove all (except OpenAD) old TLM output from results_ad dirs.
157      - remove unused S/R (MDSWRITEMETA, DIAGNOSTICS_ADD2LIST, old DFILE IO S/R)
158      - comment out maskH definition (replaced by maskInC)
159    o pkg/monitor:
160      - change mon_printstats_rl.F & mon_stats_rl.F (were similar to mon_writestats_rl
161        & mon_calc_stats_rl) to be the RL equivalent of mon_printstats_rs & mon_stats_rs.
162    
163    checkpoint62a (2010/01/15)
164    o model/src:
165      - bottom pressure diagnostic: correct for r* (when nonlinFreeSurf >= 4)
166    o pkg/diagnostics:
167      - add optional level number diagnostics (i.e., level number to be define
168        explictly with S/R DIAGNOSTICS_SETKLEV) with parser-code(10)="X".
169      - strictly check for valid parser-code(10) ;
170      - check if adding diag to the list from the right place.
171    o pkg/longstep:
172      - change parameters and fix tracer conservation with rstar/nonlinear free surface
173    o diagnostics:
174     - in all pkgs, replace remaining calls to old S/R DIAGNOSTICS_ADD2LIST with newer
175       S/R DIAGNOSTICS_ADDTOLIST ; fix seaice VICE diagnostics.
176    o pkg/diagnostics:
177     - Add option for writing vertical integral (sum of selected levels) of an output
178        field instead of writing output field levels. Activate this option on a per
179        output-file basis, by setting the 2nd character of fileflag to 'I'.
180     - Add field-specific information relative to level integral in 3rd postion
181        of parser diagnostics code (gdiag): " "=cumulate levels, "R"=integrate
182        vertically (x level-thickness x hFac), "r"=same but without hFac.
183    o do_the_model_io:
184      - pass end-of-model-run flag as argument, from forward_step to diagnostics_write:
185        in case useSIGREG, will write (averaged) diagnostics (if dumpAtLast) before
186        writing pickups and stopping.
187    o pkg/diagnostics (for now, only with mdsio):
188      - write time information to meta file (and modify accordingly rdmds.m) :
189        time-averaged diagnostics output: write starting and ending time of the
190        time-averaging interval ; snap-shot diagnostics output remains unchanged;
191    o pkg/timeave:
192      - S/R TIMEAVE_NORMALIZ: change size of cumulated-time array (was previously
193        always Nr), now assumed to be equal to number of levels of averaged field;
194        only used for DIC_COST monthly mean arrays: this fixes dic_aver_final.F
195    o pkg/sbo:
196      - fix ocean bottom pressure global-average & 2-D time-ave output (was
197        neither initialised nor filled).
198      - add starting iteration in suffix of global-average output file
199        (to avoid over-writing the file after a restart)
200      - use standard MDSIO pkg S/R instead of SBO_WRITEVECTOR (fix byte-swap Pb).
201    o time-average:
202      - use simple cumulative-time array (no k index) in all pkgs: {PKG}_timeAve(bi,bj)
203        (pkgs: aim_v23, bulk_force, dic, gmredi, kpp, land, ocn_compon_interf,
204         ggl90, my82, opps, pp81, ptracers, sbo, seaice, shelfice, thsice)
205        this fix DIC_COST cumulative-time array (previously: bi,bj,k)
206      - fix 1rst call (nIter0) snap-shot output and accumulation (pkg/shelfice)
207      - fix missing accumulation for pkg/opps.
208      - cumulate fields only if doing time-ave output ({PKG}_taveFreq > 0)
209         (pkgs: ptracers, kpp, ocn_compon_interf, ggl90, my82, pp81);
210      - fix initialisation of time-ave vars and do only full time-step increment
211        (i.e.: no first & last "half time-step") (pkgs: ggl90, my82, opps, pp81);
212    o pkg/layers:
213      - use standard RW pkg S/R to write the output
214        and remove local write_fld version (which had a problem).
215      - use simple cumulative-time array (no level index) to fix time-ave S/R calls.
216      - fix LAYERS_CALC argument list.
217    o pkg/timeave:
218      - store cumulative-time in a simple tiled array (drop the level index)
219      - add new S/R (TIMEAVE_NORMALIZE) which uses simple cumulative-time array.
220    o pkg/ocn,aim_compon_interf
221      - changes for multi-threaded coupled run. (tested with ifort-11 on danton)
222    
223    checkpoint62  (2009/12/23)
224    o switch on useOBCSbalance in tutorial_plume_on_slope exp. and update output.
225        (was not previously tested in any other exp.)
226    o pkg/monitor:
227      - clean-up _RL/_RS version: add specific S/R for statistics with mask & volume:
228        mon_writestats_rl/s,F mon_calc_stats_rl/s.F ; will keep the old one
229        (mon_printstats_rl/s,F mon_stats_rl/s.F) just for bare statistics.
230      - use hFac & 2-D mask (instead of 3-D mask + hFac in previous mon_stats_rl.F).
231      - change del2 calculation.
232      - use interior masks (instead of maskH, <- to be remove).
233      - shorter monitor suffix for forcing stats ("forcing" instead of "extforcing").
234    o mask & obcs:
235      - define 2-D "interior" masks (i.e., zero beyond OB) at 3 locations (C, W & S).
236      - move global area computation from ini_masks_etc.F to ini_linear_phisurf.F
237        (called after packages_init_fixed)
238    o pkg/obcs:
239      - move bi,bj loops into obcs_calc, so obcs_prescribe_read is called only once.
240        Fixes bug in obcs+exf with nSx*nSy.GT.1
241      - fix multi-tile handling in obcs balance code
242    o nonHydrostatic:
243      - Implement AB-3 for non-hydrostatic vertical momentum ;
244        (change ordering of var. stored in pickup file when using NH)
245      - move NH code from solve_for_pressure.F to 2 new S/R: PRE_CG3D & POST_CG3D.
246      - add 2-D field to store Hydrostatic Surface Pressure adjusment from cg3d_x
247        (in prep. for new NH free surface form).
248  o pkg/obcs:  o pkg/obcs:
249    add files & OB-variables for wVel (Non-Hydrostatic) with useOBCSprescribe    add files & OB-variables for wVel (Non-Hydrostatic) with useOBCSprescribe
250  o model/src:  o model/src:
251    fix 2-D solver initialisation for deep-atmosphere (p-coord) with topography    fix 2-D solver initialisation for deep-atmosphere (p-coord) with topography
252    
253  checkpoint61z (2009/12/01)  checkpoint61z (2009/12/01)

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