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revision 1.1246 by jmc, Sun Apr 4 14:28:20 2010 UTC revision 1.1271 by mlosch, Mon May 17 14:23:42 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/exf/exf_bulk_largeyeager04.F: rewrite for better vectorization, changes
8      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
9    o eesupp/src (exch-1):
10      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
11      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
12        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
13        (even without using MPI).
14      - Message mode: move RecvAck setting (indicator of buffer being ready)
15        from send_put to recv_get S/R (was useless before, but not sure if
16        it's much more useful now);
17      - switch the order of sync: MPI-proc 1rst and then threads;
18      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
19    o model/src:
20      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
21      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
22    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
23    o pkg/ctrl: require a specific set of control variables and exf-flags for
24      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
25    o model/src:
26     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
27       1rst forward sweep, to avoid over-writing output files during recomputations
28       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
29     b) 2nd version:
30      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
31      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
32         writePickupAtEnd) + seaice & ptracers output;
33      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
34    o model/src:
35      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
36    o pkg/exch2:
37      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
38      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
39    o pkg/autodiff & exch2:
40      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
41      (for now, only if ALLOW_EXCH2 is defined).
42    o pkg/autodiff:
43      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
44        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
45       + clean-up comments (_RS is not always real*4)
46      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
47      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
48        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
49    o testreport (AD-tests):
50      no longer link files from dir "../input" (1rst link files from
51      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
52    
53    checkpoint62f (2010/04/29)
54    o model/src/the_main_loop.F:
55      adjust store directives for seaice evp and multicategory according to
56      pkg/ecco/the_main_loop.F
57    o adjoint:
58      global_sum_ad was incomplete (noted many times by many people ;)
59      nice description by Jean U. as follows:
60      * allreduce(var) in global_sum.F can be interpreted as
61        reduce(sum) followed by broadcast of sum.
62      * The adjoint of that is
63        sum(adjoint) followed by broadcast(summed adjoint value)
64        or in other words, allreduce(sum, adjoint vars)
65      We were missing the sum(adjoint)!
66      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
67      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
68      The fix should produce 16-digit accuracy between
69      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
70      multi-CPU single-tile (e.g. nSx=1, nPx-2)
71      We'll probably change this yet again shortly
72    o eesupp/src:
73      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
74    o pkg/icefront
75      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
76        specification of addmass array based on a 2D field, which is added
77        at bottommost wet level at each horizontal location.
78    o model/src:
79     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
80     layout; (not always compatible with delX,delY setting; commented out for now).
81    o pkg/exch2:
82     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
83     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
84    
85    checkpoint62e (2010/04/15)
86    o pkg/obcs:
87      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
88    o pkg/dic:
89      -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
90        (note: not presently tested in any forward verification exp.)
91       update tutorial_global_oce_biogeo AD output file.
92    o pkg/exf:
93      - account for the variation of albedo as a function of zenith angle
94        by defining ALLOW_ZENITHANGLE in EXF_OPTIONS.h
95    o build_options:
96     - rename "linux_ia64_ifort+mpi_ice_nas" to "linux_amd64_ifort+mpi_ice_nas"
97    o pkg/dic:
98      change DIC atmos-CO2 box (method 3, dic_int1=3) initialisation & restart:
99      - use binary pickup file for restart;
100      - initialise atmos-CO2 box from dic_pCO2 parameter;
101      - fix multi-threaded.
102    o pkg/rbcs:
103     - clean-up RBCS code: add RBCS_OPTIONS.h file ; fix multi-threaded ;
104       change (+ fix IO calls) type of array RBC_mask from _RL to _RS.
105     - add RBCS to exp4 passive tracer 01 (rbcs was previously untested)
106       and update output.txt
107  o pkg/kpp:  o pkg/kpp:
108   - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;   - add diagnostics for KPP non-local flux of Temp, Salinity and pTracers;
109   - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS   - change diagnostic of KPP non-local term: output average of KPPghat*KPPdiffKzS
110     (= ratio of KPP non-local (salt) flux relative to surface-flux) when     (= ratio of KPP non-local (salt) flux relative to surface-flux) when
111     using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');     using pkg/timeave & pkg/diagnostics (diag 'KPPghatK' replaces 'KPPghat ');
112   - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file   - change pkg/offline to read-in average KPPghat*KPPdiffKzS from file
113     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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