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Notes on tags used in MITgcmUV |
Notes on tags used in MITgcmUV |
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============================== |
============================== |
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o pkg/exf: merge exf_bulk_largeyeager04 into exf_bulkformulae because these |
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files are nearly the same anyway. |
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Step 1: make exf_bulkformulae look like exf_bulk_largeyeager04: |
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- redefinition of tau(i,i) (by a factor of ustar) |
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- 1./exf(Const/T) -> exf(-Const/T) (big change in the results) |
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- replace rhonil by rhoConstFresh in computation of evap (bug fix) |
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- replace u/vstress=tau*rd*ws*cw by tau*rd*u/vwind (changes results) |
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- replace |
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rd(i,j)= rdn(i,j)/(exf_one - rdn(i,j)/karman*psimh ) |
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shn = sh(i,j,bi,bj)*rd(i,j)/rdn(i,j) |
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by |
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shn = sh(i,j,bi,bj)/(exf_one - rdn(i,j)/karman*psimh ) |
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(changes results) |
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-> exf_bulkformulae v1.22, |
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update verification experiments lab_sea, offline_exf_seaice, seaice_obcs |
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(lab_sea: output.hb87.txt 1.11, output.lsr.txt 1.25, output.salt_plume.txt 1.13, |
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output.txt 1.63 |
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offline_exf_seaice: output.seaicetd.txt 1.7 |
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seaice_obcs: output.txt 1.10) |
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Step 2: do the actual merge and remove exf_bulk_largeyeager04.F |
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-> exf_bulkformulae v1.23, |
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unfortunately requires updating lab_sea.salt_plume (6 matching digits), |
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and global_ocean.cs32x15.icedyn (only 11 matching digits) |
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Also update output_adm of exp. lab_sea (all 4) and offline_exf_seaice. |
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o adjoint of exch-1: |
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- pass high-level EXCH S/R through TAF (eesupp/src/exch_ad_diff.list) |
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(note: was already like this when using EXCH-2) and remove flow dir |
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and hand-written AD version of high-level EXCH S/R (pkg/autodiff); |
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- provide flow-dir for low-level exch1 S/R (eesupp/src/exch1_ad.flow); |
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- update pkg/exch2 diff list. |
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checkpoint62g (2010/05/19) |
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o eesupp/src (exch-1): |
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- split exch_rx.F into Forward S/R (exch1_rx.F) and Adjoint S/R (exch1_rx_ad.F) |
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and remove argument "simulationMode"; same thing for all exch_*rx_cube.F |
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(renamed to exch1_*rx_cube.F). |
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- change accordingly exch_*_rx.template and AD version in pkg/autodiff |
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to call new exch1 S/R ; update Makefile and .cvsignore. |
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- replace call to exch2_xy_rx S/R with exch2_*3d_rx(myNz=1) (will remove |
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exch2_xy_rx later) |
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Note: after updating your code, need to run "make clean" in eesupp/src |
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o test experiment bottom_ctrl_5x5: |
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new output_adm.txt with fewer grdchk & less monitor output. |
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o model/src: |
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remove the call to ini_cori in initialise_varia.F (just keep the usual one |
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in initialise_fixed.F). More consistent with coriolis & horizontal grid |
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beeing treated in the same way (ini_grid is not called a 2nd time). |
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o pkg/exf: |
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- rewrite exf_bulk_largeyeager04.F for better vectorization, changes |
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global_ocean.cs32x15/input.icedyn (11 digits of agreement), updated |
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- fix adjoint (used worked for ALLOW_ATM_WIND defined, works for this now) |
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- cosmetic changes to exf_bulkformulae.F to make it look more like |
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exf_bulk_largeyeager04.F |
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o eesupp/src (exch-1): |
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- Fix AD EXCH code for 2-D domain special cases (Nx=1 or Ny=1). |
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- Separate buffer filling and MPI sending: allow EXCH-1 to work for local |
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array (non-shared) when using MPI+MTH. Also reduces number of BARRIER |
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(even without using MPI). |
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- Message mode: move RecvAck setting (indicator of buffer being ready) |
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from send_put to recv_get S/R (was useless before, but not sure if |
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it's much more useful now); |
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- Switch the order of sync: MPI-proc 1rst and then threads; |
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- take out spin-waiting code (#undef EXCH_USE_SPINNING), use BARRIER instead. |
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- fix AD code for communication mode ='get' (but not used). |
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o model/src: |
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initialise dPhiHydX,dPhiHydY inside calc_grad_phi_hyd.F (so that TAF does |
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not drop it in S/R mddynamics, producing NaN in hs94.1x64x5 AD-test exp). |
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o utils/matlab/rdmnc.m: adapt to be able to use the generic matlab netcdf API |
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o pkg/ctrl: require a specific set of control variables and exf-flags for |
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adjoint of seaice (stop in ctrl_check.F if conditions are not satisfied) |
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o model/src: |
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a) 1rst version of a new driver S/R to turn-off output freq and flags after the |
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1rst forward sweep, to avoid over-writing output files during recomputations |
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recomputations (& grdchk); called from cost_final.F (& ctrl_init_ctrlvar.F ?) |
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b) 2nd version: |
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- add specific pkg S/R for seaice & ptracers (called from S/R TURNOFF_MODEL_IO); |
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- switch-off more output flags (exf_monFreq, chkPtFreq, dumpInitAndLast, |
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writePickupAtEnd) + seaice & ptracers output; |
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- do not switch off MNC flags (otherwise, won't get admonitor netcdf file) |
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o model/src: |
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- new S/R rotate_uv2en_rl (..._rs) that rotates vector fields. |
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o pkg/exch2: |
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- remove "simulationMode" from arg. list of S/R EXCH2_RX1,2_CUBE ; |
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- add argument "signOption" to EXCH2_RX1_CUBE (will be needed for SM exch). |
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o pkg/autodiff & exch2: |
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process exch_uv_agrid_3d_rx.f & exch2_uv_agrid_3d_rx.f through TAF |
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(for now, only if ALLOW_EXCH2 is defined). |
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o pkg/autodiff: |
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- include PACKAGES_CONFIG.h in exch*ad.flow & exch*ad.F |
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(not supposed to be in CPP_OPTIONS.h) to get ALLOW_EXCH2 defined correctly. |
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+ clean-up comments (_RS is not always real*4) |
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- fix bug in ADEXCH_UV_3D_RX (without EXCH2, was calling the forward exch S/R) |
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- add a stop in ADEXCH_UV_AGRID_3D_RX if trying to use it with EXCH2: |
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was calling a forward exch2, which is wrong ; used in SEAICE & EXF pkgs. |
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o testreport (AD-tests): |
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no longer link files from dir "../input" (1rst link files from |
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"../input_ad.[xx]" if secondary test "xx" and then from "../input_ad") |
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checkpoint62f (2010/04/29) |
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o model/src/the_main_loop.F: |
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adjust store directives for seaice evp and multicategory according to |
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pkg/ecco/the_main_loop.F |
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o adjoint: |
o adjoint: |
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global_sum_ad was incomplete (noted many times by many people ;) |
global_sum_ad was incomplete (noted many times by many people ;) |
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nice description by Jean U. as follows: |
nice description by Jean U. as follows: |
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* allreduce(var) in global_sum.F can be interpreted as |
* allreduce(var) in global_sum.F can be interpreted as |
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reduce(sum) followed by broadcast of sum. |
reduce(sum) followed by broadcast of sum. |
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* The adjoint of that is |
* The adjoint of that is |
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sum(adjoint) followed by broadcast(summed adjoint value) |
sum(adjoint) followed by broadcast(summed adjoint value) |
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or in other words, allreduce(sum, adjoint vars) |
or in other words, allreduce(sum, adjoint vars) |
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We were missing the sum(adjoint)! |
We were missing the sum(adjoint)! |
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Benign, except(!) for "global" scalars appearing in tile loops (bi,bj) |
Benign, except(!) for "global" scalars appearing in tile loops (bi,bj) |
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single-CPU multi-tile (e.g. nSx=2, nPx=1) and |
single-CPU multi-tile (e.g. nSx=2, nPx=1) and |
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multi-CPU single-tile (e.g. nSx=1, nPx-2) |
multi-CPU single-tile (e.g. nSx=1, nPx-2) |
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We'll probably change this yet again shortly |
We'll probably change this yet again shortly |
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o eesupp/src: |
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- fix global_sum_r4 (wrong from previous modif in Jun 2009; ever used ?) |
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o pkg/icefront |
o pkg/icefront |
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- ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving |
- ALLOW_SUBGLACIAL_RUNOFF option adds capability for time-evolving |
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specification of addmass array based on a 2D field, which is added |
specification of addmass array based on a 2D field, which is added |
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