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revision 1.52 by heimbach, Thu Sep 27 20:13:58 2001 UTC revision 1.117 by jmc, Sun Jan 12 21:47:59 2003 UTC
# Line 2  $Header$ Line 2  $Header$
2    
3      Notes on tags used in MITgcmUV      Notes on tags used in MITgcmUV
4      ==============================      ==============================
5    o gmredi: fix few bugs and restore parameter values (e.g., Small_Number=1.D-12)
6      and scheme (e.g., Large_SlopeSqr=1.D+48) of checkpoint47f_post
7    
8    checkpoint48
9    This will be a good checkpoint to plug into the ecco-branch.
10    o few modif.'s to get latest version adjointed
11      (mainly kick out code in ini_linear_phisurf)
12    o modif's to run adjoint with exactConserv
13    o case GM_BOLUS_ADVEC should be cleaned
14      S/R gmredi_slope_psi should be cleaned
15    o verification/carbon now has exactConserv=.TRUE.
16    
17    checkpoint47g_post
18    o time-average AIM output: becomes independent from statvars time-average
19      (can be used with #undef ALLOW_TIMEAVE) ; add new variables (e.g., RH)
20    o After TAF bug fix:
21      Tested adjoint of gmredi package.
22      Tests were done with checkpoint47 rather than with latest
23      checkpoint47f_post since the latter is broken for the adjoint
24      verification/carbon/ contains both ADM and TLM gradient checks.
25    Here they are, before they get changed/lost/stolen.
26    Mostly modif.'s to fix numerical sensitivities.
27    Gradient checks OK for
28    - GM_taper_scheme:
29      * clipping
30      * ac02
31      * linear
32      * glw91
33      * dm95
34      * ldd97
35    - GMREDI_OPTIONS:
36      * GM_VISBECK_VARIABLE_K
37      * GM_NON_UNITY_DIAGONAL
38      * GM_EXTRA_DIAGONAL
39      * GM_BOLUS_ADVEC
40    in conjunction with data.gmredi parameters to be checked in
41    in a few minutes under verification/carbon/code/
42    
43    checkpoint47f_post
44    Merging from release1_p10:
45    o modifications for using pkg/exf with pkg/seaice
46      - pkg/seaice CPP options SEAICE_EXTERNAL_FORCING
47        and SEAICE_EXTERNAL_FLUXES
48      - pkg/exf CPP options EXF_READ_EVAP and
49        EXF_NO_BULK_COMPUTATIONS
50      - usage examples are Experiments 8 and 9 in
51        verification/lab_sea/README
52      - verification/lab_sea default experiment now uses
53        pkg/gmredi, pkg/kpp, pkg/seaice, and pkg/exf
54    
55    checkpoint47e_post
56    o created a tag prior to creating a branch
57    
58    checkpoint47d_post
59    o fixed bug in the oceanic pressure coordinates code: vertical viscosity
60      at the bottom boundary had an erroneous half slip boundary condition
61    o added bottom drag and no slip boundary condition capabilities to
62      oceanic pressure coordinates code
63    o added new verification experiment global_ocean_pressure, this experiment is
64      also described in the tutorial section of the manual
65    checkpoint47d_pre
66    
67    checkpoint47c_post
68    o Added a verification experiment for a global cubed-sphere ocean run
69      -  verification/global_ocean.cubed32x32x30
70      -  uses pkg/therm_seaice and pkg/bulk_forcing
71    
72    o allow to run AIM physics with SPEEDY input files (from Franco Molteni)
73    o allow a more accurate definition of Ro_Surf (selectFindRoSurf=1)
74      when using P-coordinate; only implemented for atmospheric config.
75    o OCEANICP & realFreshWater: include P-E direct effect on wVel ;
76      NOTES: requires option NONLIN_FRSURF to be "#define".
77    o update advect_xz/results/output.txt (left from checkpoint44g_post)
78    
79    checkpoint47b_post
80    Merging from release1_p9:
81    o pkg/seaice
82      - removed GOTO's and added taf directives
83      - double precision constants to reduce the g77 (Linux)
84        to F77 (SGI) differences reported in release1_p8
85    o tools/genmake
86      - added SGI options
87    o verification/testscript
88      - updated to that of checkpoint47a_post
89    o verification/global_ocean.90x40x15/input/eedata
90      - modified for SGI f77 compatibility
91    o verification/lab_sea
92      - added description of sea-ice model
93      - added missing matlab routines
94      - added test of thermodynamics parallelization
95    
96    checkpoint47a_post
97    o new pkg: aim_v23
98     = F. Molteni atmos.physics (SPEEDY, ver23) adapted to MITgcm.
99       for now, keep the same surface forcing as before.
100     - Part-Cell implemented into AIM; check that Heat & Water are conserved
101     - aim.5l_cs: use new aim pkg (run 10yr & get better results than before)
102     - aim.5l_LatLon & aim.5l_Equatorial_Channel are still using old aim pkg
103    o add diagnostic of surface correction term in monitor output
104    
105    o bulk_force and therm_seaice
106    - Two packages:  bulk_force (Bulk forcing)
107      and therm_seaice (thermodynamic_seaice) - adopted from LANL CICE.v2.0.2
108    - Earlier integration from Stephaine Dutkiewicz
109      and Patrick Heimbach.
110    - Two ifdef statements for compile time,
111       ALLOW_THERM_SEAICE and ALLOW_BULK_FORCE
112    
113    checkpoint47
114    differentiable version of checkpoint46n_post
115    o bug fix in quasihydrostaticterms
116    o * "clean" adjoint code (in terms of extensive recomputations)
117        can now be obtained for all GMREDI options (i.e. for
118        - GM_VISBECK_VARIABLE_K
119        - GM_NON_UNITY_DIAGONAL
120        - GM_EXTRA_DIAGONAL
121        - GM_BOLUS_ADVEC )
122      * However, wrong gradient check problem remains unsolved.
123      * New CPP options have been introduced for different
124        tapering schemes
125    o external_fields_load now part of differentiation list
126    o pressure needs multiple storing;
127      would be nice to have store_pressure at beginning or
128      end of forward_step, e.g. by having phiHyd global (5-dim.)
129      (NB: pressure is needed for certain cases in find_rho,
130      which is also invoked through convective_adjustment).
131    o recomputations in find_rho for cases
132     'JMD95'/'UNESCO' or 'MDJWF' are OK.
133    o #define ATMOSPHERIC_LOADING should be differentiable
134    o ini_forcing shifted to begining of initialise_varia
135    o Incorporating QNVS line search routines into MITgcm
136      (this is separate code, and therefore not under pkg)
137      lsopt/, optim/
138    o Updated verification/carbon/
139      - #define GM_VISBECK_VARIABLE_K
140      - GM_taper_scheme    = 'ldd97'    
141    
142    checkpoint46n_post
143    Merging from release1_p8:
144    o verification/natl_box:
145      updating new external_fields_load routine
146    o New package: pkg/seaice
147      Sea ice model by D. Menemenlis (JPL) and Jinlun Zhang (Seattle).
148      The sea-ice code is based on Hibler (1979-1980).
149      Two sea-ice dynamic solvers, ADI and LSR, are included.
150      In addition to computing prognostic sea-ice variables and diagnosing
151      the forcing/external data fields that drive the ocean model,
152      SEAICE_MODEL also sets theta to the freezing point under sea-ice.
153      The implied surface heat flux is then stored in variable
154      surfaceTendencyTice, which is needed by KPP package (kpp_calc.F and
155      kpp_transport_t.F) to diagnose surface buoyancy fluxes and for the
156      non-local transport term.  Because this call precedes model
157      thermodynamics, temperature under sea-ice may not be "exactly" at
158      the freezing point by the time theta is dumped or time-averaged.
159      N.B.: fairly large differences in accuracy occur across
160            different platforms/compilers; comparison between
161            g77 (Linux) and F77 (SGI Origin 2000/MIPSpro)
162            generated output gives:
163       T           S           U           V
164      C D M    c        m  s        m  s        m  s        m  s
165      n p a R  g  m  m  e  .  m  m  e  .  m  m  e  .  m  m  e  .
166      f n k u  2  i  a  a  d  i  a  a  d  i  a  a  d  i  a  a  d
167      g d e n  d  n  x  n  .  n  x  n  .  n  x  n  .  n  x  n  .
168    
169      Y Y Y Y  5  5  7  7  7  8 10  9  6  6  6  6  7  5  7  5  7 FAIL  lab_sea
170    o GAD:
171      - generated new common blocks to account for call of
172        same gad routines with differing traceridentities
173        (needed to modify tracerIdentity indices in GAD.h)
174      - generated separate common blocks for case useCubedSphereExchange
175        (Department of Futurology)
176      - parameter lists to gmredi_?transport: added tracerIdentity
177      - added new key indices to tamc.h
178    o external_fields_load:
179      - added this routine to TAF list
180      - needed to make some common blocks global and additional storing
181        along the same lines as exf package (checkpoint_lev?_directives.h)
182    o exf:
183      updated external forcing package
184      - bug fixes carried over from ecco-branch
185        (missing OBCS_OPTIONS.h in two routines)
186      - enable easy to use "no forcing".
187      - added exf I/O for atmospheric loading
188      - added exf I/O for runoff data
189      - transfered scaling between exf <-> MITgcm to exf namelist
190    o Adding new verification experiment global_with_exf.
191      This verification experiment is almost identical to the
192      global_ocean.90x40x15 experiment, except that it uses
193      the exf (and cal) package instead of the
194      external_fields_load routine (cf README file).
195    
196    checkpoint46m_post
197    o modified testscript to return -- when there are no lines of "%MON" output
198    o added new flag "quasiHydrostatic" for QH mode
199      and new routine quasihydrostaticterms()
200    o added 2*Omega*Cos(phi)*W to u equations (non-hydrostatic Coriolis term)
201      New routine: mom_u_coriolis_nh()
202    o fixed sign of non-hydrostatic metric terms in u and v equations.
203      Depend on correct sign of gravitySign.
204    o added work.pc* to .cvsignore in aim directories using ifc
205    o introduced flag for controllin non-hydrostatic metric terms
206    o removed gravitySign from PARM04
207    o switched to g77/ifc from pgf77 in aim experiments
208    
209    checkpoint46l_post
210    o made convective adjustment work with pressure coordinates:
211     - changed the direction of k-loop in convective_adjustment.F for the
212       case of pressure coordinates (OCEANICP,ATMOSPHERIC buoyancyRelation)
213     - adjusted the reference pressure k-index in convective_adjustment.F
214     - adjusted the convection condition in convect.F (in analogy to
215       calc_ivdc.F)
216     - convective_adjustment no longer computes anything on the halos
217     - removed the warnings about negative salinity from find_rho.F and
218       find_alpha.F; instead the new routine look_for_neg_salinity, called
219       at the beginning of find_rho, find_alpha, and find_beta, does a
220       check of the entire slice, if CPP-option
221       CHECK_SALINITY_FOR_NEGATIVE_VALUES is defined
222    checkpoint46l_pre
223    
224    checkpoint46k_post
225    o fixed the verification/global_ocean.90x40x15 experiment:
226     - new bathymetry (the world according to A., JMC, and M.)
227     - new initial fields and forcing fields (*.bin files)
228     - new POLY3.COEFFS (for the next release one should switch to a full
229       equation of state: JMD95P or MDJWF)
230     - fixed several errors and redundancies in the data file
231     - experiment uses looped cells
232     - added matlab directory with diagnostic scripts for plotting of output
233    
234    o S/R aim_initialise.F replace S/R aim_init from file aim_do_inphys.F:
235     - read AIM physics parameters from a file (data.aimphys)
236     - set defaults values = F.Molteni paper (Clim.Dyn., 2002)
237    
238    checkpoint46j_post
239    o split calc_exact_eta in 2 S/R : integr_continuity & update_etaH
240    o move wVel computation at the end of the time step, in S/R integr_continuity
241    o create specific S/R to exchange T,S before DYNAMICS (for stagger time step)
242    o update timeave pkg for wVel diagnostic.
243    checkpoint46j_pre
244    
245    checkpoint46i_post
246    o Clean up AIM package (and keep the results unchanged):
247      include CPP_OPTION and use IMPLICT NONE in all routines ;
248      declare all the variables _RL ; use _d 0 for all numerical constants.
249      use ifdef ALLOW_AIM everywhere. And now AIM can be used with g77 !
250    
251    checkpoint46h_post
252    o cleaned up the use of rhoNil and rhoConst.
253      - rhoNil should only appear in the LINEAR equation of state, everywhere
254        else rhoNil is replaced by rhoConst, e.g. find_rho computes rho-rhoConst
255        and the dynamical equations are all divided by rhoConst
256    o introduced new parameter rhoConstFresh, a reference density of fresh
257      water, to remove the fresh water flux's dependence on rhoNil. The default
258      value is 999.8 kg/m^3
259    o cleanup up external_forcing.F and external_forcing_surf.F
260      - can now be used by both OCEANIC and OCEANICP
261    checkpoint46h_pre
262    
263     Added code to convert surface volume flux (fresh water) into
264     a mass flux when using P coordinates in the ocean (OCEANICP).
265     Note: It assumes you have set rho0=rhoConst=density of fresh water.
266    
267    checkpoint46g_post
268    o Include a new diagnostic variable phiHydLow for the ocean model
269      - in z-coordinates, it is the bottom pressure anomaly
270      - in p-coordinates, it is the sea surface elevation
271      - in both cases, these variable have global drift, reflecting the mass
272        drift in z-coordinates and the volume drift in p-coordinates
273      - included time averaging for phiHydLow, be aware of the drift!
274    o depth-dependent computation of Bo_surf for pressure coordinates
275      in the ocean (buoyancyRelation='OCEANICP')
276      - requires a new routine (FIND_RHO_SCALAR) to compute density with only
277        Theta, Salinity, and Pressure in the parameter list. This routine is
278        presently contained in find_rho.F. This routine does not give the
279        correct density for 'POLY3', which would be a z-dependent reference
280        density.
281    o cleaned up find_rho
282      - removed obsolete 'eqn' from the parameter list.
283    o added two new verification experiments: gop and goz
284      (4x4 degree global ocean, 15 layers in pressure and height coordinates)
285    checkpoint46g_pre
286    
287    checkpoint46f_post
288    o Enable tangent linear (forward mode) gradient checks:
289      - extended active file handling to g_... files
290      - added TANGENT_SIMULATION to theSimulationMode
291      - extended grdchk package accordingly
292    o added tangent linear setup in verification/carbon/code_ftl
293    o added adjoint setup in verification/front_relax/code_ad
294    
295    checkpoint46e_post
296    o Added new equation of state -> MDJWF
297      - EOS of McDougall et al., 2002, JAOT, submitted
298      - caveat: the equation of state is only valid for a smaller (more
299        realistic?) range of values than JMD95P/Z and UNESCO
300      - added masks to the calculation of pressure in store_pressure
301      - added more check values for density in check_eos (ini_eos.F), some of
302        the old check values are out of the range of the MDJWF-eos, so don't
303        expect perfect matches for those
304    checkpoint46e_pre
305    
306    checkpoint46d_post
307    o fixed store_pressure to work with both buoyancy relation = 'OCEANIC' and
308      'OCEANICP', also initialised field pressure correctly in ini_eos in the
309      case of pressure coordinates. eosType='JMD95Z' in
310      combination with buoyancyRelation='OCEANICP' now causes an error.
311    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
312      in find_alpha/beta.
313    checkpoint46d_pre
314    
315    o Changed p = pressure(i,j,k,bi,bj)  to  p = pressure(i,j,kRef,bi,bj)
316      so that JMD95Z and JMD95P give approptiate static stability in find_rho.
317    
318    checkpoint46c_post
319    o Changes necessary for ocean in p-coordinates
320     -  Added new buoyancy relation = 'OCEANICP'
321     -  Added new parameters = gravitySign (this used to be contained inside
322        the factor dRdZ which I added when we first switched to R coordinates).
323     X GM/Redi is not compatible (yet)
324     X bottom drag and no-slip need to be debugged.
325    checkpoint46c_pre
326    
327    checkpoint46b_post
328    o Added new equation of state -> JMD95Z and JMD95P
329      - EOS of Jackett and McDougall, 1995, JAOT
330      - moved all EOS parameters into EOS.h
331      - new routines ini_eos.F, store_pressure.F
332    o Added UNESCO EOS, but not recommended because it requires
333      in-situ temperature (see JMD95)
334    o Modified formatting for knudsen2.f in utils/knudsen2 and added
335      unesco.f to be used with POLY3
336    checkpoint46b_pre
337    
338    checkpoint46a_post
339    o Added (atmospheric) pressure loading
340      - new field in FFIELDS.h, etc...
341      - new cpp flag ATMOSPHERIC_LOADING
342    o Changed hFacC to _hFacC in calc_phi_hyd.F
343    o Added SHORTWAVE_HEATING to some files for consistency
344    checkpoint46a_pre
345    
346    checkpoint46
347    further merges from release1_p5
348    o new ctrl package
349      - adopted from ECCO environment to enable optimization
350      - added Eliassen Palm fluxes to controls
351    o added Eliassen Palm flux controls to gradient check package
352    o cost package
353      - Compatible with new ctrl package
354      - added Eliassen Palm cost hooks
355      - modif's of existing cost functions
356    o Adjoint-related bug fixes in kpp:
357      - kpp_calc: sore of kpphbl avoids recomputation/call to S/R kppmix
358      - kpp_routines: store of Rib avoids partial recomputation bug of TAF.
359    o autodiff package
360      - flow directives:
361        + new for S/R do_the_model_io
362        + enhanced for S/R checkpoint
363        + new gmredi.flow
364      - Introduced CPP option ALLOW_AUTODIFF_MONITOR to
365        disable adcommon.h/g_common.h by default.
366      - fixed problem for adjoint of global_max
367    o modified verification/carbon/
368    o New setup for adjoint of global_ocean
369    o added hooks for Eliassen Palm fluxes (dynamics.F, ini_fields.F)
370    o cleaned TAF keys iikey, idkey (dynamics.F, thermodynamics.F)
371    o incorporated hooks for sponge layer code (external_forcing.F)
372    
373    checkpoint45d_post
374    o import 2 fixes from release1_p5 (CG2D.h & packages_readparms.F)
375    o use recip_dx*,recip_dy* instead of /dx*,/dy* in orlanski_E,W,N,S
376      (affects plume_on_slope "cg2d" output)
377    o add new parameter deltaTfreesurf for free-surface time stepping
378    o exchange gT,gS when using staggerTimeStep & GM & Oly<4
379    o NONLIN_FRSURF: rescale gNm1 to get a better conservation with A-B
380    o change phiMin in exp1 (to agree with documentation)
381    o add new flags:
382     - T,S forcing inside/outside Adams-Bashforth
383     - turn off temp,salt advection and/or forcing
384     - for each tracer, define internal flag for multiDimAdvection & A-B
385    o monitor: change definition of KE to check conservation of Energy
386    
387    checkpoint45c_post
388    o Removed f90 comments ("!")
389    o Modified initialisations to enable exf package for MITgcm
390      (without invoking ECCO_PACKAGE).
391    o modifications to gradient check package (Martin Losch)
392      - enable centered differences
393      - modified format of standard output
394    
395    checkpoint45b_post
396    o cleaned exchange calls in cg2d
397    o Included CPP option ALLOW_AUTODIFF_MONITOR in forward_step
398    o included CPP option SINGLE_LAYER_MODE in thermodynamics
399      to configure barotropic setup (Martin Losch)
400    o moved some initialisations within bi,bj loop in dynamics
401      (TAF flow dependency)
402    o in initialise_varia, moved call packages_init_variables
403      before convective_adjustment_init
404      (corresponding adjustment of TAF tape initialisation).
405    o in calc_diffusivity/calc_viscosity extended domain to full overlap.
406    
407    checkpoint45a_post
408    o compute Rho over the whole domain (extend iMin,jMin indices)
409    o specific exchange for X-slice domain (case Ny=1)
410    o argument futureIter of S/R obcs_calc missing in exp4 & internal_wave /code
411    o solve_for_pressure : set cg2d_x to zero where OBCS are applied
412    
413    checkpoint44h_post = checkpoint45
414    o Fix to restore differentiability:
415      place at which packages_init_variables is called in
416      initialise_varia is crucial for reverse control flow.
417    o modifications in GMRedi to enable stable adjoint
418      (corresponding modif's in thermodynamics, dynamics)
419    o added missing hook for sponge layer code in external_forcing
420    o modified test cost functions
421    o storing in gad_advection (plus removal of write(0,*)!
422    o missing headers TR1.h added in convective_adjustment routines
423    o errorMessageUnit set non-equal zero in eeboot
424      (conflict on some platforms, e.g. IBM SP3)
425    o modified carbon verif.
426    
427    checkpoint44h_pre
428    o vertical grid option: allow to put the Interface at the middle between
429      2 cell-centers ; replace delZ in pkg/kpp by drF.
430    o GM Advective form: Tracers are advected using the residual transport (=
431      Euler+GM-bolus); set param GM_AdvSeparate=T to return to previous form.
432    
433    checkpoint44g_post
434    o fix surface correction term in multiDimAdvection (affects plume_on_slope
435      results) ; ifdef missing in thermodynamics.F
436    
437    checkpoint44f_pre,checkpoint44f_post
438    o added PTRACERS package
439      This allows an arbitrary number of passive tracers to be integrated
440      forward simultaneously with the dynamicaly model.
441      + Implemented so far:
442        - basic forward algorithm (time-stepping, advection, diffusion, convection)
443        - I/O and checkpointing
444        - GM/Redi  *but*  using the GM/Redi coefficient of Salt
445      + Not implemented so far:
446        - KPP
447        - OBCS
448      + No specific example supplied (yet) but global_ocean.90x40x15 has the
449        necessary data.ptracer file. Simply use -enable=ptracers and uncomment
450        line in data.pkg.
451      + This package is disabled by default since it increases storage.
452    
453    
454    o testscript: added -cleanup option
455    o Shap_filt: a) new shap_filt S/R to use no-slip BC with S2 filter
456                 b) enable to filter 2D fields.
457    
458    checkpoint44e_pre,post
459    o re-wrote convective adjustment to use pre-calculated weights
460      Affects: model/src/convective_adjustment.F, convective_adjustment_ini.F
461      Adds:    model/src/convective_weights.F, convectively_mixtracer.F
462      Original calls to convect() still in place.
463    
464    chkpt44d_pre,post
465    o added missing EXCLUDE_MONITOR flags
466    o changed "e" to "_d" in gmredi_slope_limit, gmredi_slope_psi
467      (incompatible typ in MIN/MAX expressions caused problems
468      on IBM SP3)
469    o in genmake added variable MAKEDEPEND
470      plus resetting for case SunOS
471    o added timer_stats.c routine for IBM SP3
472    o removed variables in dynamics
473    !!! I forgot to create tag chkpt44d_pre !!!
474    !!! But chkpt44d_pre = chkpt44c_post    !!!
475    
476    o real fresh water flux implemented with non-linear free-surface.
477    
478    chkpt44c_pre,post
479    o few fix (mask in shap_s2, EmPmR in external_field_load,
480      USE_NATURAL_BCS in solve_for_P);
481    o add arguments myIter & myTime to S/R obcs_calc & solve_for_P
482    
483    checkpoint44b_pre/_post
484    o merge of relevant stuff from the ecco-branch:
485      - genmake: removed $S64 overwrite for case SunOS
486      - pkg/exf: update and corrections for field swapping and obcs
487      - pkg/ecco: parameter lists for the_model_main, the_main_loop
488                  harmonized between ECCO and MITgcm
489      - pkg/autodiff: added flow directives for obcs, mdsio_gl_slice
490                      updated checkpointing_lev... lists for obcs
491      - model/src: minor changes in forward_step, plot_field
492                   added directive for divided adjoint in the_main_loop
493      - pkg/mdsio: added mdsio_gl_slice
494    
495    o check parameters & config (chkpt44a_pre,post)
496    o OBC and NonLin_FrSurf.
497    
498    checkpoint44
499    o fix bug in mom_vi_del2uv
500    o select when filters are applied ; add options to zonal_filter (data.zonfilt)
501    o gmredi: fix Pb in the adiabatic form ; add options (.e.g. Bolus advection)
502    o update AIM experiments (NCEP input files)
503    o improve and extend diagnostics (Monitor, TimeAve with NonLin-FrSurf)
504    o added some stuff for AD
505    
506    checkpoint43
507    o added two new advection tests
508    o added global 4x4 degree ocean test
509    o added test of H&S94 with free surface on cube
510    o some final mods for gradient check, adjoint,...
511    
512  checkpoint42  checkpoint42
513    Fixed AD-related problems:    Fixed AD-related problems:

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