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revision 1.1250 by jmc, Tue Apr 13 15:05:12 2010 UTC revision 1.1274 by jmc, Wed May 19 02:12:10 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 eesupp/src (exch-1):
8     - split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F)
9       and remove argument "simulationMode"; same thing for all exch_*rx_cube.F
10       (renamed to exch1_*rx_cube.F).
11     - change accordingly exch_*_rx.template and AD version in pkg/autodiff
12       to call new exch1 S/R ; update Makefile and .cvsignore.
13     - replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove
14       exch2_xy_rx later)
15      Note: after updating your code, need to run "make clean" in eesupp/src
16    o test experiment bottom_ctrl_5x5:
17       new output_adm.txt with fewer grdchk & less monitor output.
18    o model/src:
19      remove the call to ini_cori in initialise_varia.F (just keep the usual one
20       in initialise_fixed.F). More consistent with coriolis & horizontal grid
21       beeing treated in the same way (ini_grid is not called a 2nd time).
22    o pkg/exf:
23      - rewrite exf_bulk_largeyeager04.F for better vectorization, changes
24      global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated
25      - fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now)
26      - cosmetic changes to exf_bulkformulae.F to make it look more like
27        exf_bulk_largeyeager04.F
28    o eesupp/src (exch-1):
29      - Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1).
30      - Separate buffer filling and MPI sending: allow EXCH-1 to work for local
31        array (non-shared) when using MPI+MTH. Also reduces number of BARRIER
32        (even without using MPI).
33      - Message mode: move RecvAck setting (indicator of buffer being ready)
34        from send_put to recv_get S/R (was useless before, but not sure if
35        it's much more useful now);
36      - Switch the order of sync: MPI-proc 1rst and then threads;
37      - take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead.
38      - fix AD code for communication mode ='get' (but not used).
39    o model/src:
40      initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does
41      not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp).
42    o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API
43    o pkg/ctrl: require a specific set of control variables and exf-flags for
44      adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied)
45    o model/src:
46     a) 1rst version of a new driver S/R to turn-off output freq and flags after the
47       1rst forward sweep, to avoid over-writing output files during recomputations
48       recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?)
49     b) 2nd version:
50      - add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO);
51      - switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast,
52         writePickupAtEnd) + seaice & ptracers output;
53      - do not switch off MNC flags (otherwise, won't get admonitor netcdf file)
54    o model/src:
55      - new S/R rotate_uv2en_rl (..._rs) that rotates vector fields.
56    o pkg/exch2:
57      - remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ;
58      - add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch).
59    o pkg/autodiff & exch2:
60      process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF
61      (for now, only if ALLOW_EXCH2 is defined).
62    o pkg/autodiff:
63      - include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F
64        (not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly.
65       + clean-up comments (_RS is not always real*4)
66      - fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R)
67      - add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2:
68        was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs.
69    o testreport (AD-tests):
70      no longer link files from dir "../input" (1rst link files from
71      "../input_ad.[xx]" if secondary test "xx" and then from "../input_ad")
72    
73    checkpoint62f (2010/04/29)
74    o model/src/the_main_loop.F:
75      adjust store directives for seaice evp and multicategory according to
76      pkg/ecco/the_main_loop.F
77    o adjoint:
78      global_sum_ad was incomplete (noted many times by many people ;)
79      nice description by Jean U. as follows:
80      * allreduce(var) in global_sum.F can be interpreted as
81        reduce(sum) followed by broadcast of sum.
82      * The adjoint of that is
83        sum(adjoint) followed by broadcast(summed adjoint value)
84        or in other words, allreduce(sum, adjoint vars)
85      We were missing the sum(adjoint)!
86      Benign, except(!) for "global" scalars appearing in tile loops (bi,bj)
87      (noted by J.M. Campin, e.g., in cost_ssh_mean, variable offset).
88      The fix should produce 16-digit accuracy between
89      single-CPU multi-tile (e.g. nSx=2, nPx=1) and
90      multi-CPU single-tile (e.g. nSx=1, nPx-2)
91      We'll probably change this yet again shortly
92    o eesupp/src:
93      - fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?)
94    o pkg/icefront
95      - ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving
96        specification of addmass array based on a 2D field, which is added
97        at bottommost wet level at each horizontal location.
98    o model/src:
99     horizontal grid initialisation (other than curvilinear): add code for Exch2 IO
100     layout; (not always compatible with delX,delY setting; commented out for now).
101    o pkg/exch2:
102     change tile to processor setting (case nSy*nPy > 1): allows default model mapping
103     (myX and myYGlobalLow) to be used for simple (1 facet, no blank tile) config.
104    
105    checkpoint62e (2010/04/15)
106    o pkg/obcs:
107      - fix wrong index in OBCS_SPONGE_V for Eastern-OB (reported by David Hebert).
108  o pkg/dic:  o pkg/dic:
109    -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;    -fix bug in fe_chem.F for multi-tile (nSx*nSy > 1) set-up;
110      (note: not presently tested in any forward verification exp.)      (note: not presently tested in any forward verification exp.)

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