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revision 1.1084 by jmc, Thu Apr 2 21:47:23 2009 UTC revision 1.1141 by jmc, Mon Jul 13 21:57:32 2009 UTC
# Line 4  $Name$ Line 4  $Name$
4      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
5      ==============================      ==============================
6    
7    o eeset_parms.F, open_copy_data_file.F & ini_parms.F:
8       named file replacing SCRATCH files (for TARGET_BGL & TARGET_CRAYXT):
9       each processor open a different file (a fix from Matt).
10    o cg2d:
11       use simple EXCH (overlap size = 1 and ignore corners), like in cg3d.F :
12       this reduces number of EXCH calls by 2 when using exch2.
13       For now, keep previous size array for gc2d_nsa.F to avoid Pb with store
14       directives and missing simple EXCH (exch_s3d_rx) adjoint code.
15    o pkg/thsice:
16       add code for Near Infra-Red albedo (from Jeff)
17       (turned on with run-time flag: thSIce_calc_albNIR, in data.ice).
18    o ini_model_io:
19       move (from packages_readparms.F & initialise_fixed.F) to ini_model_io.F
20       MNC & MONITOR initialisation calls; move MNC calls from {pkg}_readparms.F
21       to {pkg}_init_fixed.F for {pkg}= kpp, seaice & shelfice.
22    
23    checkpoint61s
24    o pkg/exch2 (exch2_rxN_cube*):
25       remove last BARRIER (no need to synchronise after getting data from shared
26       buffer (get) as long as any change to buffer (put,recv) is between BARRIER)
27    o change tiling of natl_box (from 2 to 4 tiles) to get it tested with MPI+MTH
28      and generate new output (for the 2 tests) using default rotationPeriod.
29    o pkg/exch2:
30      - always call exch2_*_cube, not exch-1 anymore, if useCubedSphereExchange=F
31        (was already the case with AUTODIFF_EXCH2 defined)
32      - add bj in exch2 arrays and S/R.
33      - can now use pkg/exch2 for regular (non CS) set-up; switch test experiment
34        MLAdjust to exch2 (identical results except with MPI -> truncation diff);
35    o add pkg/longstep for ptracer timestep a multiple of U/V/T/S timestep
36      - adds deltaT argument to the subroutines TIMESTEP_TRACER DWNSLP_APPLY
37        GAD_ADVECTION GAD_CALC_RHS GAD_IMPLICIT_R GAD_SOM_ADVECT
38      - verification experiment natl_box.longstep
39    o build_options: ifort+mpi_aces optfile (following Constantinos advise):
40      allow different versions of ifort (8 or 9) and different versions
41       of mpi (mpich or mpich2) to be used with the same optfile.
42      requires to load a netcdf module and set MPI_INC_DIR (see comments inside
43       optfile). Change testing scripts (example_scripts/ACESgrid) accordingly.
44    o pkg/seaice:
45      fix previous modif (3-level field removed) for old-pickup reading
46    
47    checkpoint61r
48    o pkg/seaice:
49     - clean up the 3-time levels of UICE,VICE,HEFF,AREA in three steps:
50      1. introduce fields for time step (N-1)
51      2. do not use levels 2 and 3 anymore (but keep them)
52      3. replace 3D versions of UICE,VICE,HEFF,AREA by 2D versions. This
53         includes changes to pkg/thsice/thsice_get_velocity.F,
54         model/src/external_forcing_surf.F, pkg/obcs/obcs_apply_seaice.F, and
55         pkg/obcs/obcs_apply_uvice.F.
56     - completely remove code for leap-frog time stepping for second order
57       advection
58     - adjusted adjoint accordingly;
59       gradient checks have improved by an order of magnitude!
60    
61    checkpoint61q
62    o pkg/seaice: fix bug in free slip boundary conditons for LSOR solver
63     - the boundary conditions along open boundaries are unclear, because the
64       associated masks are set to zero and are thus treated as closed when
65       applying the slip-boundary conditions.
66     - move initialisation of grid variables from seaice_init_varia to _fixed
67    o adding doc/diags_changes.txt
68    o model/src:
69      do_the_model_io: rename few pkg S/R which are called from do_the_model_io,
70       to avoid "_diags" naming if no relation to pkg/diagnostics.
71      ini_theta,ini_salt: fix (at least compile the code) reading from NetCDF
72       file and only call PLOT_FIELD_XYZ if debugMode=T.
73      remove few PLOT_FIELD_XY calls outside initialisation.
74      remove few unnecessary BARRIER.
75    o pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
76      of salt_plume package in Southern Ocean
77    o pkg/thsice:
78     - fix hOceMxL in overlap (needed for sea-ice advection);
79       update output of experiment global_ocean.cs32x15.icedyn.
80    o pkg/seaice:
81     - make the (placeholder-)tracer IceAge a little more meaningful
82      by avoiding ridging of age due to convergent ice flow
83     - add diagnostics for surface temperature, atmospheric and oceanic
84       heat flux, and atmospheric and oceanic ice growth
85    
86    checkpoint61p
87    o eesupp (global_max & global_sum):
88     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
89     - remove starting & endding barrier (no longer needed)
90    o pkg/mdsio, writelocal:
91       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
92       (remove the STOP): uses shared buffer IO to store data from all threads
93       and then let master-thread write nThreads tiles.
94    o pkg/mdsio (read/write field):
95     - tiled IO done in 1 piece (all levels at a time);
96     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
97     - multi-threaded: allow to read/write local (non-shared) array
98       (was already working with singleCpuIO ; now works also without);
99       => no longer needs barrier call after reading a file (added inside
100       mds_read/write field).
101     - move barrier calls outside gather/scatter_2d to mds_read/write_field
102    o pkg/obcs/exf
103      - exf_getffieldrec.F: add a few ". _d 0" and
104                            add code to catch the case fldperiod = 0.  
105      - obcs_precribe_read.F: change if statements so that they match
106                              the variable type (_RL)
107      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
108        exf_iprec) as part of namelist EXF_NML_01
109    o pkg/mdsio:
110      - read/write tiled (local) files: read/write 1-level tile chunk at a time
111        (instead of segment of length sNx); expected to speed up tiled IO.
112    o pkg/exch2:
113      - take buffer copy from/to array out of S/R exch2_send/recv into new
114        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
115        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
116      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
117      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
118        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
119        including Topology header file (and common blocks).
120      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
121        remove 2nd exch call in exch2_s3d_rx (no longer needed).
122      - document S/R arg. list (+ update some comments)
123    o pkg/seaice:
124      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
125        temperature and humidity over sea ice based on climatological values.
126      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
127        of LSR (this change is expected to change the results slightly because now
128        it uses slightly difference moduli from the second last LSR solution, but
129        that is more consistent with the stress computations; this part of the code
130        is not tested in the verification experiments)
131      - fix diagnostics for flux of ice in case of B-grid
132      - turn strain rates eij and press into global fields within global
133        common block in SEAICE.h for more straighforward diagnostics
134      - fix diagnostics for principal stress components, press, zeta, eta
135        to give something meaning full
136    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
137      new output (all 4 tests) using default rotationPeriod.
138    o pkg KPP:
139      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
140      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
141        and normal grid from 1 to Nr)
142    o Fix computations of L4rdt in mom_calc_visc.F
143    o eesupp:
144      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
145      should be called before a "stop" if we know that all process are going
146      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
147    
148    checkpoint61o
149    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
150    o model/src/ini_curvilinear_grid.F:
151       compute angleSin/CosC when they are not read from a file
152    o pkg/seaice:
153       add pseudo time stepping for LSOR
154    o pkg/exch2:
155       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
156    o pkg/seaice:
157       Adding separate sea ice albedo, drag coefficients, and HO in Southern
158       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
159    o SingleCpuIO:
160       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
161    o pkg/seaice:
162       put exchanged variable in (local) common block for MPI+Multi-Threads
163       to work (necessary with exch1, and for now with exch2 too).
164    o verification: to get more experiments tested with mpi, mth and mpi+mth,
165      change tiling of:
166       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
167       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
168      update output of exp:
169       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
170       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
171      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
172                       (note: output.txt generated on faulks using only 1 tile)
173    o eesupp & mdsio (SingleCpuIO):
174     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
175       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
176       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
177     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
178     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
179       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
180    o pkg/exch2:
181     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
182       read parameter file "data.exch2" if it exists; otherwise try default regular
183       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
184     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
185       with new code (not to be used, just as a backup solution).
186     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
187       in utils/exch2/input.
188    
189    checkpoint61n
190    o eesupp & mdsio (SingleCpuIO):
191      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
192        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
193        receive real*4 array (instead of real*8) to read/write 32.bit files.
194        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
195         and remove new mapping S/R)
196    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
197      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
198        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
199        when using exch2. Add S/R to map global io-buffer to global model array.
200      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
201    
202    checkpoint61m
203    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
204      and add 3 other S/R for other types (R4,R8,RS).
205      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
206    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
207     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
208     - reduce number of macro definitions (keep only those which are used);
209       can always call directly the corrresponding S/R if needed.
210     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
211       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
212     Fixed wrong type of arg in:
213       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
214       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
215     To fix: global_sum of var in common block is wrong (multi-threaded) in:
216       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
217     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
218    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
219      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
220    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
221    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
222      edges are closed (zero depth); might happen with "blank tiles";
223      for now, disabled if using OBCS.
224    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
225      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
226    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
227      to reduce length of 1.D array print in STDOUT.
228    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
229      + use 48 tiles (16x8): this will allow to test "blank tiles".
230    o start to test MPI + multi-threaded (change testreport to skip tests
231      where number of tiles do not match).
232    o genmake2: add option "-omp" to turn on Open-MP ;
233      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
234    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
235      and keep the original tile numbering. Note: compatible with old
236      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
237    
238    checkpoint61l
239    o Overlaps had been forgotten in calculating ijk keys : fixed
240    o fix cyrus makedepend for gcc 4.4
241  o experiment fizhi-cs-aqualev20:  o experiment fizhi-cs-aqualev20:
242    switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)    switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
243    and generate new output. Note: new output is much closer to the old    and generate new output. Note: new output is much closer to the old
244    one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from    one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
245    the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.    the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
246  o pkg/fizhi:  o pkg/fizhi:
247   - change to avoid indices going deliberately over array-bounds   - change to avoid indices going deliberately over array-bounds
# Line 22  o pkg/fizhi: Line 256  o pkg/fizhi:
256    (e.g., datein=dates(n) is overwritten by timein=times(n) since both    (e.g., datein=dates(n) is overwritten by timein=times(n) since both
257     datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"     datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
258     address) and produces error.     address) and produces error.
259    o tools/gemake2: (March 27-29 2009)
260      with option "-mpi": link *_mpi files from "MODS" dir (this is what
261      testreport does).
262  o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output  o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
263  o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:  o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
264     update lab_sea.lsr & lab_sea.salt_plume results     update lab_sea.lsr & lab_sea.salt_plume results
# Line 37  o pkg/seaice: Line 274  o pkg/seaice:
274    results by setting the above flag.    results by setting the above flag.
275    Further changes involve changes in defaults:    Further changes involve changes in defaults:
276    - ALLOW_FLOODING is defined and turned on by default    - ALLOW_FLOODING is defined and turned on by default
277    - SEAICE_advSnow = .true. is now the default    - SEAICEadvSnow = .true. is now the default
278    - SEAICE_advSalt = .true. is now the default    - SEAICEadvSalt = .true. is now the default
279    - SEAICE_advAge  = .true. is now the default    - SEAICEadvAge  = .true. is now the default
280    - SEAICE_clipVelocities  = .false. is now the default    - SEAICE_clipVelocities  = .false. is now the default
281                                       (as per J. Zhang's recommendation)                                       (as per J. Zhang's recommendation)
282    - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE    - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE

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