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revision 1.1061 by jmc, Thu Feb 5 01:39:48 2009 UTC revision 1.1125 by dimitri, Mon Jun 15 23:42:25 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 pkg/salt_plume: add SaltPlumeSouthernOcean to allow disabling
8      of salt_plume package in Southern Ocean
9    o pkg/thsice:
10     - fix hOceMxL in overlap (needed for sea-ice advection);
11       update output of experiment global_ocean.cs32x15.icedyn.
12    o pkg/seaice:
13     - make the (placeholder-)tracer IceAge a little more meaningful
14      by avoiding ridging of age due to convergent ice flow
15     - add diagnostics for surface temperature
16    
17    checkpoint61p
18    o eesupp (global_max & global_sum):
19     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
20     - remove starting & endding barrier (no longer needed)
21    o pkg/mdsio, writelocal:
22       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
23       (remove the STOP): uses shared buffer IO to store data from all threads
24       and then let master-thread write nThreads tiles.
25    o pkg/mdsio (read/write field):
26     - tiled IO done in 1 piece (all levels at a time);
27     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
28     - multi-threaded: allow to read/write local (non-shared) array
29       (was already working with singleCpuIO ; now works also without);
30       => no longer needs barrier call after reading a file (added inside
31       mds_read/write field).
32     - move barrier calls outside gather/scatter_2d to mds_read/write_field
33    o pkg/obcs/exf
34      - exf_getffieldrec.F: add a few ". _d 0" and
35                            add code to catch the case fldperiod = 0.  
36      - obcs_precribe_read.F: change if statements so that they match
37                              the variable type (_RL)
38      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
39        exf_iprec) as part of namelist EXF_NML_01
40    o pkg/mdsio:
41      - read/write tiled (local) files: read/write 1-level tile chunk at a time
42        (instead of segment of length sNx); expected to speed up tiled IO.
43    o pkg/exch2:
44      - take buffer copy from/to array out of S/R exch2_send/recv into new
45        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
46        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
47      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
48      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
49        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
50        including Topology header file (and common blocks).
51      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
52        remove 2nd exch call in exch2_s3d_rx (no longer needed).
53      - document S/R arg. list (+ update some comments)
54    o pkg/seaice:
55      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
56        temperature and humidity over sea ice based on climatological values.
57      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
58        of LSR (this change is expected to change the results slightly because now
59        it uses slightly difference moduli from the second last LSR solution, but
60        that is more consistent with the stress computations; this part of the code
61        is not tested in the verification experiments)
62      - fix diagnostics for flux of ice in case of B-grid
63      - turn strain rates eij and press into global fields within global
64        common block in SEAICE.h for more straighforward diagnostics
65      - fix diagnostics for principal stress components, press, zeta, eta
66        to give something meaning full
67    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
68      new output (all 4 tests) using default rotationPeriod.
69    o pkg KPP:
70      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
71      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
72        and normal grid from 1 to Nr)
73    o Fix computations of L4rdt in mom_calc_visc.F
74    o eesupp:
75      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
76      should be called before a "stop" if we know that all process are going
77      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
78    
79    checkpoint61o
80    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
81    o model/src/ini_curvilinear_grid.F:
82       compute angleSin/CosC when they are not read from a file
83    o pkg/seaice:
84       add pseudo time stepping for LSOR
85    o pkg/exch2:
86       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
87    o pkg/seaice:
88       Adding separate sea ice albedo, drag coefficients, and HO in Southern
89       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
90    o SingleCpuIO:
91       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
92    o pkg/seaice:
93       put exchanged variable in (local) common block for MPI+Multi-Threads
94       to work (necessary with exch1, and for now with exch2 too).
95    o verification: to get more experiments tested with mpi, mth and mpi+mth,
96      change tiling of:
97       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
98       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
99      update output of exp:
100       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
101       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
102      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
103                       (note: output.txt generated on faulks using only 1 tile)
104    o eesupp & mdsio (SingleCpuIO):
105     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
106       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
107       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
108     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
109     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
110       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
111    o pkg/exch2:
112     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
113       read parameter file "data.exch2" if it exists; otherwise try default regular
114       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
115     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
116       with new code (not to be used, just as a backup solution).
117     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
118       in utils/exch2/input.
119    
120    checkpoint61n
121    o eesupp & mdsio (SingleCpuIO):
122      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
123        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
124        receive real*4 array (instead of real*8) to read/write 32.bit files.
125        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
126         and remove new mapping S/R)
127    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
128      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
129        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
130        when using exch2. Add S/R to map global io-buffer to global model array.
131      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
132    
133    checkpoint61m
134    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
135      and add 3 other S/R for other types (R4,R8,RS).
136      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
137    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
138     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
139     - reduce number of macro definitions (keep only those which are used);
140       can always call directly the corrresponding S/R if needed.
141     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
142       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
143     Fixed wrong type of arg in:
144       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
145       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
146     To fix: global_sum of var in common block is wrong (multi-threaded) in:
147       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
148     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
149    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
150      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
151    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
152    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
153      edges are closed (zero depth); might happen with "blank tiles";
154      for now, disabled if using OBCS.
155    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
156      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
157    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
158      to reduce length of 1.D array print in STDOUT.
159    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
160      + use 48 tiles (16x8): this will allow to test "blank tiles".
161    o start to test MPI + multi-threaded (change testreport to skip tests
162      where number of tiles do not match).
163    o genmake2: add option "-omp" to turn on Open-MP ;
164      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
165    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
166      and keep the original tile numbering. Note: compatible with old
167      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
168    
169    checkpoint61l
170    o Overlaps had been forgotten in calculating ijk keys : fixed
171    o fix cyrus makedepend for gcc 4.4
172    o experiment fizhi-cs-aqualev20:
173      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
174      and generate new output. Note: new output is much closer to the old
175      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
176      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
177    o pkg/fizhi:
178     - change to avoid indices going deliberately over array-bounds
179     - remove unnecessary MPI stuff
180     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
181     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
182       does not go over array-bounds and therefore returns reliable output.
183     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
184       this S/R has 4 output arguments, which are used inside "get_alarm";
185       when it is called with the same variable "ndum" in place of several
186       output arguments, this produces weird side effect inside "get_alarm"
187      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
188       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
189       address) and produces error.
190    o tools/gemake2: (March 27-29 2009)
191      with option "-mpi": link *_mpi files from "MODS" dir (this is what
192      testreport does).
193    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
194    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
195       update lab_sea.lsr & lab_sea.salt_plume results
196    o pkg/seaice:
197      Major overhaul of the LSOR solver: change discretization from original
198      finite differences to finite volume. The old routine is still in the
199      file seaice_lsr.F and can be turned on with the CPP-flag
200      SEAICE_OLD_AND_BAD_DISCRETIZATION
201      Along with this change, the discretization of the strain rates is changed.
202      The same flag turns on the old discretization in seaice_calc_strainrates.F
203      All verification experiments with seaice are affected (except for
204      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
205      results by setting the above flag.
206      Further changes involve changes in defaults:
207      - ALLOW_FLOODING is defined and turned on by default
208      - SEAICEadvSnow = .true. is now the default
209      - SEAICEadvSalt = .true. is now the default
210      - SEAICEadvAge  = .true. is now the default
211      - SEAICE_clipVelocities  = .false. is now the default
212                                         (as per J. Zhang's recommendation)
213      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
214        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
215      - seaice_growth: replace computation of UG by a simple copy from wspeed
216    
217    checkpoint61k
218    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
219      seaice_lsr: fixed a few metric terms,
220                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
221                  add more debugging diagnostics
222      seaice_evp: removed superfluous many metric terms of FV discretization
223                  of stress divergence
224                  affects lab_sea, lab_sea.hb87
225      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
226                  of stress divergence for non-evp solver
227                  (this part is not tested anywhere)
228      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
229                  they were effectively only half slip
230                  affects lab_sea.hb87
231      updated all relevant verification experiments (except lab_sea//output_adm.txt
232        which was left over, but fails at level 7 & 6)
233    
234    checkpoint61j
235    o pkg/seaice: turn a few hard wired parameters into run time parameters
236    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
237      time in seconds as promised by the usints in seaice_monitor and exf_monitor
238    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
239      that are not cubed-sphere grids
240    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
241    o pkg/ctrl:
242      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
243    o non-hydrostatic (calc_gw.F):
244      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
245      update output of exp. global_ocean.cs32x15.viscA4
246    o remove backward compatibility for thetaMin,phiMin
247      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
248    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
249      interpolated wind field not only for curvilineargrid=.true., but also
250      for a rotated grid (rotateGrid=.true.)
251    o pkg/exf: add capability to bypass interpolation for runoff
252      by setting yet another CPP-flag
253    o eesupp/src, B-grid exchange:
254      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
255    o autodiff
256      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
257      allows to switch to single-prec common blocks;
258      corresponding switch occurs in tamc.h, integer isbyte
259      TAF store directivs "byte" and "kind" seem equivalent;
260      Most tamc.h have been updated correspondingly.
261    
262    checkpoint61i
263    o autodiff:
264      fix autodiff_sore/_restore indices for obcs
265      (spotted by I. Hoteit, M. Mazloff)
266    o pkg/autodiff, pkg/ctrl:
267      Add flag to reduce all tapelev I/O to single-prec.
268      In data.ctrl set
269        doSinglePrecTapelev = .TRUE.
270    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
271      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
272    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
273      real fresh water flux (not yet)
274  o pkg/mdsio & rw:  o pkg/mdsio & rw:
275   - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)   - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
276   - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.   - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
# Line 16  o pkg/flt: Line 283  o pkg/flt:
283   - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.   - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
284   - add vert. coordinate & horiz. indices to output files.   - add vert. coordinate & horiz. indices to output files.
285   - change vertical position in initial condition, from index to depth [m].   - change vertical position in initial condition, from index to depth [m].
286     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
287       (easier to get to a curvilinear grid) ; delX,delY no longer used.
288  o pkg/ggl90: a few modifications:  o pkg/ggl90: a few modifications:
289   - fix bottom boundary condition, and interpolation of KappaE   - fix bottom boundary condition, and interpolation of KappaE
290     near top and bottom     near top and bottom
# Line 2345  o add two new packages Line 2614  o add two new packages
2614    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2615    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2616      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2617      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2618  o add offline package  o add offline package
2619  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2620    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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