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revision 1.1116 by mlosch, Wed Jun 3 10:01:20 2009 UTC revision 1.1144 by jmc, Wed Jul 22 20:23:29 2009 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    checkpoint61t
8    o pkg/seaice:
9     - remove unused variables in seaice_evp
10     - reduce number of SQRT in seaice_evp and seaice_calc_viscosities
11    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
12       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
13       each processor opens a different file (a fix from Matt).
14    o cg2d:
15       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
16       this reduces number of EXCH calls by 2 when using exch2.
17       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
18       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
19    o pkg/thsice:
20       add code for Near Infra-Red albedo (from Jeff)
21       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
22    o ini_model_io:
23       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
24       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
25       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
26    
27    checkpoint61s
28    o pkg/exch2 (exch2_rxN_cube*):
29       remove last BARRIER (no need to synchronise after getting data from shared
30       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
31    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
32      and generate new output (for the 2 tests) using default rotationPeriod.
33    o pkg/exch2:
34      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
35        (was already the case with AUTODIFF_EXCH2 defined)
36      - add bj in exch2 arrays and S/R.
37      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
38        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
39    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
40      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
41        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
42      - verification experiment natl_box.longstep
43    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
44      allow different versions of ifort (8 or 9) and different versions
45       of mpi (mpich or mpich2) to be used with the same optfile.
46      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
47       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
48    o pkg/seaice:
49      fix previous modif (3-level field removed) for old-pickup reading
50    
51    checkpoint61r
52    o pkg/seaice:
53     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
54      1. introduce fields for time step (N-1)
55      2. do not use levels 2 and 3 anymore (but keep them)
56      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
57         includes changes to pkg/thsice/thsice_get_velocity.F,
58         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
59         pkg/obcs/obcs_apply_uvice.F.
60     - completely remove code for leap-frog time stepping for second order
61       advection
62     - adjusted adjoint accordingly;
63       gradient checks have improved by an order of magnitude!
64    
65    checkpoint61q
66    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
67     - the boundary conditions along open boundaries are unclear, because the
68       associated masks are set to zero and are thus treated as closed when
69       applying the slip-boundary conditions.
70     - move initialisation of grid variables from seaice_init_varia to _fixed
71    o adding doc/diags_changes.txt
72    o model/src:
73      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
74       to avoid "_diags" naming if no relation to pkg/diagnostics.
75      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
76       file and only call PLOT_FIELD_XYZ if debugMode=T.
77      remove few PLOT_FIELD_XY calls outside initialisation.
78      remove few unnecessary BARRIER.
79    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
80      of salt_plume package in Southern Ocean
81    o pkg/thsice:
82     - fix hOceMxL in overlap (needed for sea-ice advection);
83       update output of experiment global_ocean.cs32x15.icedyn.
84    o pkg/seaice:
85     - make the (placeholder-)tracer IceAge a little more meaningful
86      by avoiding ridging of age due to convergent ice flow
87     - add diagnostics for surface temperature, atmospheric and oceanic
88       heat flux, and atmospheric and oceanic ice growth
89    
90    checkpoint61p
91    o eesupp (global_max & global_sum):
92     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
93     - remove starting & endding barrier (no longer needed)
94    o pkg/mdsio, writelocal:
95       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
96       (remove the STOP): uses shared buffer IO to store data from all threads
97       and then let master-thread write nThreads tiles.
98    o pkg/mdsio (read/write field):
99     - tiled IO done in 1 piece (all levels at a time);
100     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
101     - multi-threaded: allow to read/write local (non-shared) array
102       (was already working with singleCpuIO ; now works also without);
103       => no longer needs barrier call after reading a file (added inside
104       mds_read/write field).
105     - move barrier calls outside gather/scatter_2d to mds_read/write_field
106  o pkg/obcs/exf  o pkg/obcs/exf
107    - exf_getffieldrec.F: add a few ". _d 0" and    - exf_getffieldrec.F: add a few ". _d 0" and
108                          add code to catch the case fldperiod = 0.                            add code to catch the case fldperiod = 0.  
# Line 25  o pkg/exch2: Line 124  o pkg/exch2:
124    - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);    - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
125      remove 2nd exch call in exch2_s3d_rx (no longer needed).      remove 2nd exch call in exch2_s3d_rx (no longer needed).
126    - document S/R arg. list (+ update some comments)    - document S/R arg. list (+ update some comments)
127  o pkg/seaice:  o pkg/seaice:
128      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
129        temperature and humidity over sea ice based on climatological values.
130    - clean up computation of Hibler+Bryan (1987) stress coupling for the case    - clean up computation of Hibler+Bryan (1987) stress coupling for the case
131      of LSR (this change is expected to change the results slightly because now      of LSR (this change is expected to change the results slightly because now
132      it uses slightly difference moduli from the second last LSR solution, but      it uses slightly difference moduli from the second last LSR solution, but
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