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revision 1.1056 by jmc, Tue Jan 27 15:41:52 2009 UTC revision 1.1120 by jmc, Wed Jun 10 03:59:51 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 eesupp (global_max & global_sum):
8     - add one more element to buffer (start at index 0) for GL_MAX/SUM output;
9     - remove starting & endding barrier (no longer needed)
10    o pkg/mdsio, writelocal:
11       works also in multi-threaded when LOCBIN_IO_THREAD_SAFE is undefined
12       (remove the STOP): uses shared buffer IO to store data from all threads
13       and then let master-thread write nThreads tiles.
14    o pkg/mdsio (read/write field):
15     - tiled IO done in 1 piece (all levels at a time);
16     - new header file "MDSIO_BUFF_3D.h" with 3-D buffers.
17     - multi-threaded: allow to read/write local (non-shared) array
18       (was already working with singleCpuIO ; now works also without);
19       => no longer needs barrier call after reading a file (added inside
20       mds_read/write field).
21     - move barrier calls outside gather/scatter_2d to mds_read/write_field
22    o pkg/obcs/exf
23      - exf_getffieldrec.F: add a few ". _d 0" and
24                            add code to catch the case fldperiod = 0.  
25      - obcs_precribe_read.F: change if statements so that they match
26                              the variable type (_RL)
27      - add a separate exf_iprec_obcs to exf_set_obcs (by default equal to
28        exf_iprec) as part of namelist EXF_NML_01
29    o pkg/mdsio:
30      - read/write tiled (local) files: read/write 1-level tile chunk at a time
31        (instead of segment of length sNx); expected to speed up tiled IO.
32    o pkg/exch2:
33      - take buffer copy from/to array out of S/R exch2_send/recv into new
34        S/R exch2_put/get ; Exch of local variable now works with MPI+MTH
35        (tested by removing commom block statement in SOLVE_FOR_PRESSURE.h).
36      - ad version of send/recv no longer needed (but needs exch2_ad_put/ad_get)
37      - simplify argument list of S/R exch2_get_uv_bounds and exch2_get_scal_bounds
38        (which replaces exch2_get_recv_bounds & exch2_get_send_bounds) by
39        including Topology header file (and common blocks).
40      - implement EXCH_IGNORE_CORNERS in scalar exchange (rx1);
41        remove 2nd exch call in exch2_s3d_rx (no longer needed).
42      - document S/R arg. list (+ update some comments)
43    o pkg/seaice:
44      - added SEAICE_CLIM_AIR code, which permits modulation of surface air
45        temperature and humidity over sea ice based on climatological values.
46      - clean up computation of Hibler+Bryan (1987) stress coupling for the case
47        of LSR (this change is expected to change the results slightly because now
48        it uses slightly difference moduli from the second last LSR solution, but
49        that is more consistent with the stress computations; this part of the code
50        is not tested in the verification experiments)
51      - fix diagnostics for flux of ice in case of B-grid
52      - turn strain rates eij and press into global fields within global
53        common block in SEAICE.h for more straighforward diagnostics
54      - fix diagnostics for principal stress components, press, zeta, eta
55        to give something meaning full
56    o change tiling of global_ocean.cs32x15 (12 tiles, 32x16) and generate
57      new output (all 4 tests) using default rotationPeriod.
58    o pkg KPP:
59      - add flag (LimitHblStable) to avoid limiting BL depth under stable conditions
60      - fix vertical indices in RI_IWMIX (match between KPP grid from 0 to Nr+1
61        and normal grid from 1 to Nr)
62    o Fix computations of L4rdt in mom_calc_visc.F
63    o eesupp:
64      new S/R ALL_PROC_DIE (like EEDIE, without irrelevant threads err msg):
65      should be called before a "stop" if we know that all process are going
66      to stop; if one Proc does call this S/R, will hang in MPI_FINALISE.
67    
68    checkpoint61o
69    o pkg/exch2: change check_depths to issue just a warning (instead of error+stop)
70    o model/src/ini_curvilinear_grid.F:
71       compute angleSin/CosC when they are not read from a file
72    o pkg/seaice:
73       add pseudo time stepping for LSOR
74    o pkg/exch2:
75       temporary fix for exch2_s3d_rx; update results of exp. hs94.cs-32x32x5.impIGW
76    o pkg/seaice:
77       Adding separate sea ice albedo, drag coefficients, and HO in Southern
78       Ocean from those in Arctic Ocean.  See *_south in SEAICE_PARAMS.h
79    o SingleCpuIO:
80       fix bug put before chkp61n (May 11), when more than 2 MPI cpu are used.
81    o pkg/seaice:
82       put exchanged variable in (local) common block for MPI+Multi-Threads
83       to work (necessary with exch1, and for now with exch2 too).
84    o verification: to get more experiments tested with mpi, mth and mpi+mth,
85      change tiling of:
86       aim.5l_Equatorial_Channel, aim.5l_LatLon, dome, exp4, global_ocean.90x40x15,
87       hs94.cs-32x32x5, MLAdjust, offline_exf_seaice & tutorial_plume_on_slope
88      update output of exp:
89       exp4, global_ocean.90x40x15(+.dwslp), MLAdjust(all 5),
90       tutorial_plume_on_slope and hs94.cs-32x32x5 (use default rotationPeriod)
91      + ideal_2D_ocean: use default rotation period + test Global_Sum_SINGLECPU
92                       (note: output.txt generated on faulks using only 1 tile)
93    o eesupp & mdsio (SingleCpuIO):
94     - remove MISSING_TILE_IO (from MDSIO_OPTIONS.h), replaced by run-time
95       parameter "W2_useE2ioLayOut" (read from file "data.exch2").
96       Note: was not effective for globalFile & useSingleCpuIO=F; now fixed.
97     - move MDSIO_SCPU.h (pkg/mdsio) to EEBUFF_SCPU.h (eesupp/inc).
98     - fix GLOBAL_SUM_SINGLECPU when using Exch2; re-use same buffers and same
99       gather/scatter S/R as with SingleCpuIO (=> 1 less 2D global RL array).
100    o pkg/exch2:
101     - new code to set-up W2-Exch2 topology (replace matlab-topology-generator):
102       read parameter file "data.exch2" if it exists; otherwise try default regular
103       cube without blank-tile; new header file "W2_EXCH2_SIZE.h";
104     - update matlab-topology-generator (exch2_setup_cs6_print.m) to be compatible
105       with new code (not to be used, just as a backup solution).
106     - add examples (e.g., for lat-lon-cap_120) of parameter file "data.exch2"
107       in utils/exch2/input.
108    
109    checkpoint61n
110    o eesupp & mdsio (SingleCpuIO):
111      - move mapping to global io-buffer inside gather_2d/scater_2d: this save
112        memory (1 less 2D global RL array); skip 1 buffer copy; and only send/
113        receive real*4 array (instead of real*8) to read/write 32.bit files.
114        (new template for gather_2d/scater_2d, new set of S/R MDS_PASS_R4,8toRL,S
115         and remove new mapping S/R)
116    o pkg/mdsio: in preparation for topology-generator within pkg/exch2:
117      - Change declaration of SingleCpuIO buffer, reduced to only 1 dim.:
118        xyBuffer_size, which is set to W2_ioBufferSize from W2_EXCH2_PARAMS.h
119        when using exch2. Add S/R to map global io-buffer to global model array.
120      - uses exch2_global_Nx,y instead of exch2_domain_nxt,nyt.
121    
122    checkpoint61m
123    o write_utils : change WRITE_1D_R8 to WRITE_1D_RL
124      and add 3 other S/R for other types (R4,R8,RS).
125      Change calls to WRITE_0D/1D_R[4,8,S,L] to match the type of argument.
126    o eesupp/inc/CPP_EEMACROS.h (EXCH & GLOBAL_SUM/MAX macros):
127     - ensure suffix (_R4,_R8,_RS,_RL) correspondance between macro and S/R ;
128     - reduce number of macro definitions (keep only those which are used);
129       can always call directly the corrresponding S/R if needed.
130     - everywhere in the code: change macros (EXCH & GLOBAL_SUM/MAX) suffix
131       _R4/_R8 to _RS/_RL when applied to _RS/_RL variable.
132     Fixed wrong type of arg in:
133       atm2d/put_ocnvars.F cheapaml/cheapaml.F ocn_compon_interf/ocn_apply_import.F
134       ctrl/ctrl_map_ini_ecco.F seaice/seaice_do_diags.F seaice/seaice_model.F
135     To fix: global_sum of var in common block is wrong (multi-threaded) in:
136       dic/dic_atmos.F ebm/ebm_area_t.F ebm/ebm_zonalmean.F sbo/sbo_calc.F
137     To fix: aim_v23/aim_do_co2.F (BARRIER & GLOBAL_SUM within bi,bj loops)
138    o adjustment.cs-32x32x1: test "blank tiles" when compiling with mpi; 2nd
139      "nlfs" mpi test is going to stop when checking for unconnected tile egdes.
140    o eesupp/src: new S/R to stop everyone when 1 (or more) Proc. find an error
141    o pkg/exch2: new S/R EXCH2_CHECK_DEPTHS to check that unconnected tile
142      edges are closed (zero depth); might happen with "blank tiles";
143      for now, disabled if using OBCS.
144    o tools/gemake2: delete modifs from March 27-29 2009 (with option "-mpi":
145      link *_mpi files from "MODS" dir) to return to a strait-forward behavior.
146    o move read_write.F to write_utils.F ; new parameter (maxLengthPrt1D)
147      to reduce length of 1.D array print in STDOUT.
148    o adjustment.cs-32x32x1: changed to oceanic test with 1 continent
149      + use 48 tiles (16x8): this will allow to test "blank tiles".
150    o start to test MPI + multi-threaded (change testreport to skip tests
151      where number of tiles do not match).
152    o genmake2: add option "-omp" to turn on Open-MP ;
153      passed to testreport (if using -mth) ; merge few (*+mth) optfiles.
154    o pkg/exch2 (+ utils/exch2): ignore blank tiles (instead of removing them)
155      and keep the original tile numbering. Note: compatible with old
156      W2_EXCH2_TOPOLOGY.h & w2_e2setup.F topology files.
157    
158    checkpoint61l
159    o Overlaps had been forgotten in calculating ijk keys : fixed
160    o fix cyrus makedepend for gcc 4.4
161    o experiment fizhi-cs-aqualev20:
162      switching to new version of S/R GETPWHERE (#define TRY_NEW_GETPWHERE)
163      and generate new output. Note: new output is much closer to the old
164      one (v1.8) generated with pgf77 -O2 on Mar 14 2007 than it is from
165      the previous one (v1.9) generated with pgf77 -O0 on Jun 13 2007.
166    o pkg/fizhi:
167     - change to avoid indices going deliberately over array-bounds
168     - remove unnecessary MPI stuff
169     - perpetual spring equinox with "#define FIZHI_USE_FIXED_DAY"
170     - new version of S/R GETPWHERE available with #define TRY_NEW_GETPWHERE:
171       does not go over array-bounds and therefore returns reliable output.
172     - in fizhi_driver.F & fizhi_turb.F, fix "get_alarm" calls:
173       this S/R has 4 output arguments, which are used inside "get_alarm";
174       when it is called with the same variable "ndum" in place of several
175       output arguments, this produces weird side effect inside "get_alarm"
176      (e.g., datein=dates(n) is overwritten by timein=times(n) since both
177       datein & timein, resp. 2nd and 3rd arg., are pointed to the same "ndum"
178       address) and produces error.
179    o tools/gemake2: (March 27-29 2009)
180      with option "-mpi": link *_mpi files from "MODS" dir (this is what
181      testreport does).
182    o lab_sea experiment: change from 2x1 tiles to 2x2 tiles and regenerate output
183    o pkg/seaice: fix bug in new version of S/R SEAICE_LSR.F:
184       update lab_sea.lsr & lab_sea.salt_plume results
185    o pkg/seaice:
186      Major overhaul of the LSOR solver: change discretization from original
187      finite differences to finite volume. The old routine is still in the
188      file seaice_lsr.F and can be turned on with the CPP-flag
189      SEAICE_OLD_AND_BAD_DISCRETIZATION
190      Along with this change, the discretization of the strain rates is changed.
191      The same flag turns on the old discretization in seaice_calc_strainrates.F
192      All verification experiments with seaice are affected (except for
193      seaice_exf_offline); global_ocean.cs32x15/input.icedyn recovers the old
194      results by setting the above flag.
195      Further changes involve changes in defaults:
196      - ALLOW_FLOODING is defined and turned on by default
197      - SEAICEadvSnow = .true. is now the default
198      - SEAICEadvSalt = .true. is now the default
199      - SEAICEadvAge  = .true. is now the default
200      - SEAICE_clipVelocities  = .false. is now the default
201                                         (as per J. Zhang's recommendation)
202      - B-grid, and thus not tested: SEAICE_TEST_ICE_STRESS_1/EXPLICIT_SSH_SLOPE
203        is defined, SEAICE_TEST_ICE_STRESS_1 is renamed into SEAICE_BICE_STRESS
204      - seaice_growth: replace computation of UG by a simple copy from wspeed
205    
206    checkpoint61k
207    o pkg/seaice: a few bug fixes mostly concerning the metric terms:
208      seaice_lsr: fixed a few metric terms,
209                  affects lab_sea.lsr, lab_sea.salt_plume, seaice_obcs
210                  add more debugging diagnostics
211      seaice_evp: removed superfluous many metric terms of FV discretization
212                  of stress divergence
213                  affects lab_sea, lab_sea.hb87
214      seaice_ocean_stress: removed superfluous many metric terms of FV discretization
215                  of stress divergence for non-evp solver
216                  (this part is not tested anywhere)
217      seaice_calc_strainrates: fixed a bug in no-slip boundary conditions,
218                  they were effectively only half slip
219                  affects lab_sea.hb87
220      updated all relevant verification experiments (except lab_sea//output_adm.txt
221        which was left over, but fails at level 7 & 6)
222    
223    checkpoint61j
224    o pkg/seaice: turn a few hard wired parameters into run time parameters
225    o pkg/seaice/exf/monitor: turn netcdf coordinate variable T into model
226      time in seconds as promised by the usints in seaice_monitor and exf_monitor
227    o pkg/mnc: fix the coordinate variables for multi-tile curvi-linear grids
228      that are not cubed-sphere grids
229    o pkg/seaice: fix a bug for the rare case of SEAICE_VECTORIZE_LSR
230    o pkg/ctrl:
231      fix bug in ctrl_depth_ini.F (EXCH_XYZ was applied to 2-D field xx_r_low)
232    o non-hydrostatic (calc_gw.F):
233      fix viscA4 on CS-grid + fix diagnostics: Wm_Diss & Wm_Advec
234      update output of exp. global_ocean.cs32x15.viscA4
235    o remove backward compatibility for thetaMin,phiMin
236      (replaced by xgOrigin,ygOrigin on Jan 27, 2009)
237    o pkg/exf: fix a serious bug in exf_set_uv.F: do a rotation of the
238      interpolated wind field not only for curvilineargrid=.true., but also
239      for a rotated grid (rotateGrid=.true.)
240    o pkg/exf: add capability to bypass interpolation for runoff
241      by setting yet another CPP-flag
242    o eesupp/src, B-grid exchange:
243      add simple (6 tiles, non MPI) CS exch + standard interface S/R.
244    o autodiff
245      new CPP option ALLOW_TAMC_SINGLEPREC_COMLEV
246      allows to switch to single-prec common blocks;
247      corresponding switch occurs in tamc.h, integer isbyte
248      TAF store directivs "byte" and "kind" seem equivalent;
249      Most tamc.h have been updated correspondingly.
250    
251    checkpoint61i
252    o autodiff:
253      fix autodiff_sore/_restore indices for obcs
254      (spotted by I. Hoteit, M. Mazloff)
255    o pkg/autodiff, pkg/ctrl:
256      Add flag to reduce all tapelev I/O to single-prec.
257      In data.ctrl set
258        doSinglePrecTapelev = .TRUE.
259    o model/src/ini_curvilinear_grid.F, new grid-file format without EXCH2:
260      check in hack for SX8 compiler (for dxV, dyU); remove it afterwards.
261    o pkg/shelfice: fix bug with SHELFICEconserve flag, prepare for
262      real fresh water flux (not yet)
263    o pkg/mdsio & rw:
264     - add argument & option to S/R MDS_WRITEVEC_LOC (avoid Open/Close & write-meta)
265     - add simple interface S/R to MDS_WRITEVEC_LOC in pkg/rw: WRITE_GLVEC_RX.
266    o pkg/flt:
267     - replace FLT_INIT by 3-steps standard initialization S/R: readparms,
268       init_fixed & ini_varia.
269     - clean-up & simplify linear interpolation S/R:
270       move flt_bilinear.F -> flt_interp_linear.F ; add arg. myThid.
271     - fix some indices (mainly vertical index) ; add IMPLICIT NONE.
272     - more efficient I/O, using new options of MDS_WRITEVEC_LOC S/R.
273     - add vert. coordinate & horiz. indices to output files.
274     - change vertical position in initial condition, from index to depth [m].
275     - store horizontal (decimal) indices i,j in common block (instead of coord. x,y)
276       (easier to get to a curvilinear grid) ; delX,delY no longer used.
277    o pkg/ggl90: a few modifications:
278     - fix bottom boundary condition, and interpolation of KappaE
279       near top and bottom
280     - use same set of viscosity/diffusivity for TKE/momnetum/tracer
281     - add smoothing option as in Blanke and Delecluse (1993) (--> ALLOW_GGL90_SMOOTH)
282     - add a few options for mixing-length upper limit (--> mxlMaxFlag)  
283  o rename thetaMin,phiMin -> xgOrigin,ygOrigin  o rename thetaMin,phiMin -> xgOrigin,ygOrigin
284    (maintain temporary backward compatibility, until next checkpoint)    (maintain temporary backward compatibility, until next checkpoint)
285    
# Line 2327  o add two new packages Line 2603  o add two new packages
2603    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme    - my82 (Mellor and Yamada, 1982) level 2 turbulence closure scheme
2604    - these scheme operate in a similar manner as KPP (without ghat, of    - these scheme operate in a similar manner as KPP (without ghat, of
2605      course), however there is only one diffusivity that is used for both      course), however there is only one diffusivity that is used for both
2606      temperature and salinity (and passive tracers)ç      temperature and salinity (and passive tracers)
2607  o add offline package  o add offline package
2608  o add "verification/dic_example" which contains a dic-gchem-ptracer setup  o add "verification/dic_example" which contains a dic-gchem-ptracer setup
2609    provided by Stephanie Dutkiewicz    provided by Stephanie Dutkiewicz

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