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revision 1.1246 by jmc, Sun Apr 4 14:28:20 2010 UTC revision 1.1262 by jmc, Tue May 4 16:44:43 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 & exch2:
8      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
9      (for now, only if ALLOW_EXCH2 is defined).
10    o pkg/autodiff:
11      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
12        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
13       + clean-up comments (_RS is not always real*4)
14      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
15      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
16        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
17    o testreport (AD-tests):
18      no longer link files from dir "../input" (1rst link files from
19      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
20    
21    checkpoint62f (2010/04/29)
22    o model/src/the_main_loop.F:
23      adjust store directives for seaice evp and multicategory according to
24      pkg/ecco/the_main_loop.F
25    o adjoint:
26      global_sum_ad was incomplete (noted many times by many people ;)
27      nice description by Jean U. as follows:
28      * allreduce(var) in global_sum.F can be interpreted as
29        reduce(sum) followed by broadcast of sum.
30      * The adjoint of that is
31        sum(adjoint) followed by broadcast(summed adjoint value)
32        or in other words, allreduce(sum, adjoint vars)
33      We were missing the sum(adjoint)!
34      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
35      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
36      The fix should produce 16-digit accuracy between
37      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
38      multi-CPU single-tile (e.g. nSx=1, nPx-2)
39      We'll probably change this yet again shortly
40    o eesupp/src:
41      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
42    o pkg/icefront
43      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
44        specification of addmass array based on a 2D field, which is added
45        at bottommost wet level at each horizontal location.
46    o model/src:
47     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
48     layout; (not always compatible with delX,delY setting; commented out for now).
49    o pkg/exch2:
50     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
51     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
52    
53    checkpoint62e (2010/04/15)
54    o pkg/obcs:
55      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
56    o pkg/dic:
57      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
58        (note: not presently tested in any forward verification exp.)
59       update tutorial_global_oce_biogeo AD output file.
60    o pkg/exf:
61      - account for the variation of albedo as a function of zenith angle
62        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
63    o build_options:
64     - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
65    o pkg/dic:
66      change DIC atmos-CO2 box (method 3, dic_int1=3) initialisation & restart:
67      - use binary pickup file for restart;
68      - initialise atmos-CO2 box from dic_pCO2 parameter;
69      - fix multi-threaded.
70    o pkg/rbcs:
71     - clean-up RBCS code: add RBCS_OPTIONS.h file ; fix multi-threaded ;
72       change (+ fix IO calls) type of array RBC_mask from _RL to _RS.
73     - add RBCS to exp4 passive tracer 01 (rbcs was previously untested)
74       and update output.txt
75  o pkg/kpp:  o pkg/kpp:
76   - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;   - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;
77   - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS   - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS
78     (= ratio of KPP non-local (salt) flux relative to surface-flux) when     (= ratio of KPP non-local (salt) flux relative to surface-flux) when
79     using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');     using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');
80   - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file   - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file
81     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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