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revision 1.1246 by jmc, Sun Apr 4 14:28:20 2010 UTC revision 1.1306 by jmc, Mon Oct 4 12:52:30 2010 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint62l (2010/10/04)
8    o pkg/seaice:
9      -fix the USE_ORIGINAL_SBI version (for variable freezing point);
10      -use "celsius2K" in SEAICE_VARIABLE_FREEZING_POINT and in new
11       version (with USE_ORIGINAL_SBI undef);
12    o add hooks for new packages OASIS, the package will follow
13      (hooks exclude the seaice pkg for now)
14    o pkg/autodiff: ALLOW_AUTODIFF_WHTAPEIO
15      Option to use mdsio_read_whalos.F/mdsio_write_whalos.F,
16      rather than mdsio_readvector.F/mdsio_writevector.F, within
17      adread_adwrite.F to read/write adjoint-related tapes to disk.
18    o eesupp and pkg/mdsio: ALLOW_WHIO
19      Option to write/read 2D fields to files including tiles halos.
20      The main purpose is for adjoint related "tape I/O".
21      The secondary purpose is for debugging phases.
22      A word on those rather specifically intended purposes.
23      The code was meant to be stripped down to the bare minimum.
24      Typically, there is a unique and basic mapping to the global
25      buffer (tile by tile, then proc by proc, then level by level), and
26      byteswaps and meta-files are omitted. Indeed the (*_WH*) code is not
27      meant to generate user friendly outputs of various shapes and forms.
28      Rather it is intended, for the knowledgeabale developers,
29      to be largely independent of the many mdsio options, to allow
30      outputs of tiles+halos in debugging phases and in adjoint runs,
31      and to allow some flexibility in tuning (adoint) I/O depending on each
32      file system behavior. With regard to tuning, most of the potential knobs
33      (to leave files open, to allocate the I/O indep. of usesinglecpuio,
34      to specify directories, to specify the typical size of I/O calls, etc.)
35      are not yet included, and will be added if they prove useful.
36    o pkg/seaice:
37       fix uninitialised arrays in USE_ORIGINAL_SBI version of seaice_solve4temp.F
38    o pkg/seaice:
39       new S/R seaice_solve4temp.F: this is the merged version of Ian Fenty
40       code (seaice_budget_ice_if.F) which enable to recover old standard
41       code (seaice_budget_ice.F) when option USE_ORIGINAL_SBI is defined.
42       temporary: add "#define USE_ORIGINAL_SBI" at the top of seaice_solve4temp.F.
43    o model/src (rStar):
44       use simple average (not area weighted) of rStarFac at U,V point when using
45       vectorInvariant and selectKEscheme=1,3 (consistent with mom. vertical advection)
46       update output of exp. fizhi-cs-32x32x40 and fizhi-cs-aqualev20.
47    
48    checkpoint62k (2010/09/17)
49    o adjoint
50       * changed verification/global_ocean.cs32x15 ; adjoint now tests
51         Adams-Bashforth 3 + NLFS + RSTAR
52       * some more modifs required for ECCO-GODAE v4
53    o pkg/seaice
54       add SEAICE_AGE_VOL option to use volume instead of area for
55       integrating SEAICE_AGE
56    o model/src:
57       first check-in of sigma & hybrid-sigma coordinate code ; also includes
58       non-linear free-surface parts ; but pressure-gradient not yet coded.
59    o pkg/ptracers:
60       option for ptracer to convert Salt Relax into additional EmP.
61        tested in exp. global_ocean.90x40x15.dwnslp (update output)
62    
63    checkpoint62j (2010/08/25)
64    o pkg/ggl90:
65       other minor changes: remove 3-D temp array gTKE (+ add argument myIter)
66    o pkg/dic: car_flux.F, phos_flux.F
67      - reduce number of exp-calls in order to improve performance
68      - clean up a little (replace fields by their macros, etc., fix
69        typo in CPP-flag)
70    o pkg/ggl90: minor changes
71      - GGL90diffKrS was removed --> always use GGL90diffKr
72      - GGL90viscAr was removed --> replaced with GGL90viscArU, GGL90viscArV
73      - hack of mxlMaxFlag=2 --> ensure mixing between first and second level
74        (commented out for now)
75      - change in max/min operations to ensure that smoothing is ok
76      - smoothing of GGL90viscAr was moved to ggl90_calc.F (as done for GGL90diffKr)
77      - always use diffKrNrT as background profile (i.e. never use diffKr field)
78    o pkg/cfc: bug fix, AREA(i,j,1,bi,bj) -> AREA(i,j,bi,bj)
79    o pkg/dic:
80      - model/src/impldiff.F: if TARGET_NEC_SX, extend loop ranges for better
81        vectorization
82      - small bug fix in insol for the unlikely case of a cartesian grid
83      - towards vectorizing the dic package: bio_export.F, car_flux.F, phos_flux.F
84        + now vectorize, which also removes adjoint recomputations;
85        + replace integer maksp1 by _RL maskp1
86        + replace a**x by exp(x*log(a)) in phos_flux.F for speed
87    
88    checkpoint62i (2010/07/21)
89    o pkg/flt:
90      - with OBCS: stop floats which enter the OB region
91    o model/src:
92      - use tempVertAdvScheme & saltVertAdvScheme (instead of horizontal ones)
93        for implicit vertical advection.
94    o pkg/seaice:
95     - account for melting in seaice age evolution.
96     - remove double counting of seaice ridging effect on seaice age.
97    
98    checkpoint62h (2010/06/18)
99    o pkg/exch2:
100     - remove exch2_*xy_rx files: call was replaced with exch2_*3d_rx(myNz=1).
101    o tools/genmake2
102      - remove "-pdefault" option: redundant with the use of "packages.conf";
103      - remove file pkg/pkg_default : set the default as a pkg group
104        ("default_pkg_list") defined in pkg/pkg_groups;
105      - fix for case pkg/pkg_depend is missing (was hanging before);
106      - add option "-pgroups" to specify a different pkg_groups than the default.
107    o verification/adjustment.cs-32x32x1:
108       add a "minimal" set-up test (code_min & input_min) which only compiles
109       eesupp/src and the 2 pkgs (exch2 & debug) which don't need model/src & inc.
110    o tools/genmake2
111      - extend pkg_depend rules to model & eesupp (e.g., if model depend on [pkg]))
112      - fix details of checking for mnc & profile pkg when NetCDF is unavailable.
113    o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these
114      files are nearly the same anyway.
115      Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04:
116       - redefinition of tau(i,i) (by a factor of ustar)
117       - 1./exf(Const/T) -> exf(-Const/T) (big change in the results)
118       - replace rhonil by rhoConstFresh in computation of evap (bug fix)
119       - replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results)
120       - replace
121         rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh )
122         shn    = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j)
123         by
124         shn    = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh )
125         (changes results)
126       -> exf_bulkformulae v1.22,
127          update verification experiments lab_sea, offline_exf_seaice, seaice_obcs
128          (lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13,
129                    output.txt 1.63
130           offline_exf_seaice: output.seaicetd.txt 1.7
131           seaice_obcs: output.txt 1.10)
132      Step 2: do the actual merge and remove exf_bulk_largeyeager04.F
133       -> exf_bulkformulae v1.23,
134          unfortunately requires updating lab_sea.salt_plume (6 matching digits),
135          and global_ocean.cs32x15.icedyn (only 11 matching digits)
136      Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice.
137    o adjoint of exch-1:
138     - pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list)
139       (note: was already like this when using EXCH-2) and remove flow dir
140       and hand-written AD version of high-level EXCH S/R (pkg/autodiff);
141     - provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow);
142     - update pkg/exch2 diff list.
143    
144    checkpoint62g (2010/05/19)
145    o eesupp/src (exch-1):
146     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
147       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
148       (renamed to exch1_*rx_cube.F).
149     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
150       to call new exch1 S/R ; update Makefile and .cvsignore.
151     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
152       exch2_xy_rx later)
153      Note: after updating your code, need to run "make clean" in eesupp/src
154    o test experiment bottom_ctrl_5x5:
155       new output_adm.txt with fewer grdchk & less monitor output.
156    o model/src:
157      remove the call to ini_cori in initialise_varia.F (just keep the usual one
158       in initialise_fixed.F). More consistent with coriolis & horizontal grid
159       beeing treated in the same way (ini_grid is not called a 2nd time).
160    o pkg/exf:
161      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
162      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
163      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
164      - cosmetic changes to exf_bulkformulae.F to make it look more like
165        exf_bulk_largeyeager04.F
166    o eesupp/src (exch-1):
167      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
168      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
169        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
170        (even without using MPI).
171      - Message mode: move RecvAck setting (indicator of buffer being ready)
172        from send_put to recv_get S/R (was useless before, but not sure if
173        it's much more useful now);
174      - Switch the order of sync: MPI-proc 1rst and then threads;
175      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
176      - fix AD code for communication mode ='get' (but not used).
177    o model/src:
178      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
179      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
180    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
181    o pkg/ctrl: require a specific set of control variables and exf-flags for
182      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
183    o model/src:
184     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
185       1rst forward sweep, to avoid over-writing output files during recomputations
186       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
187     b) 2nd version:
188      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
189      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
190         writePickupAtEnd) + seaice & ptracers output;
191      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
192    o model/src:
193      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
194    o pkg/exch2:
195      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
196      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
197    o pkg/autodiff & exch2:
198      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
199      (for now, only if ALLOW_EXCH2 is defined).
200    o pkg/autodiff:
201      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
202        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
203       + clean-up comments (_RS is not always real*4)
204      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
205      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
206        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
207    o testreport (AD-tests):
208      no longer link files from dir "../input" (1rst link files from
209      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
210    
211    checkpoint62f (2010/04/29)
212    o model/src/the_main_loop.F:
213      adjust store directives for seaice evp and multicategory according to
214      pkg/ecco/the_main_loop.F
215    o adjoint:
216      global_sum_ad was incomplete (noted many times by many people ;)
217      nice description by Jean U. as follows:
218      * allreduce(var) in global_sum.F can be interpreted as
219        reduce(sum) followed by broadcast of sum.
220      * The adjoint of that is
221        sum(adjoint) followed by broadcast(summed adjoint value)
222        or in other words, allreduce(sum, adjoint vars)
223      We were missing the sum(adjoint)!
224      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
225      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
226      The fix should produce 16-digit accuracy between
227      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
228      multi-CPU single-tile (e.g. nSx=1, nPx-2)
229      We'll probably change this yet again shortly
230    o eesupp/src:
231      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
232    o pkg/icefront
233      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
234        specification of addmass array based on a 2D field, which is added
235        at bottommost wet level at each horizontal location.
236    o model/src:
237     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
238     layout; (not always compatible with delX,delY setting; commented out for now).
239    o pkg/exch2:
240     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
241     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
242    
243    checkpoint62e (2010/04/15)
244    o pkg/obcs:
245      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
246    o pkg/dic:
247      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
248        (note: not presently tested in any forward verification exp.)
249       update tutorial_global_oce_biogeo AD output file.
250    o pkg/exf:
251      - account for the variation of albedo as a function of zenith angle
252        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
253    o build_options:
254     - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
255    o pkg/dic:
256      change DIC atmos-CO2 box (method 3, dic_int1=3) initialisation & restart:
257      - use binary pickup file for restart;
258      - initialise atmos-CO2 box from dic_pCO2 parameter;
259      - fix multi-threaded.
260    o pkg/rbcs:
261     - clean-up RBCS code: add RBCS_OPTIONS.h file ; fix multi-threaded ;
262       change (+ fix IO calls) type of array RBC_mask from _RL to _RS.
263     - add RBCS to exp4 passive tracer 01 (rbcs was previously untested)
264       and update output.txt
265  o pkg/kpp:  o pkg/kpp:
266   - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;   - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;
267   - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS   - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS
268     (= ratio of KPP non-local (salt) flux relative to surface-flux) when     (= ratio of KPP non-local (salt) flux relative to surface-flux) when
269     using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');     using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');
270   - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file   - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file
271     KPP_ghatKFile (instead of the average of KPPghat from file KPP_ghatFile).     KPP_ghatKFile (instead of the average of KPPghat from file KPP_ghatFile).

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