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Start to introduce zstart/zend and change loops (updated) #1713

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@ZedThree ZedThree commented May 8, 2019

#1448 + next

The merge commit had a lot of conflicts, hence new PR.

I think maybe we should undo the changes to ShiftedMetric -- at least for now, we probably want to transform all of Z.

Most robust approach is to replace nested loops with BOUT_FOR loops as
this defers the zp/zm offsetting to the SpecificInd code
d7919 and others added 7 commits December 14, 2018 15:16
Doesn't use global `mesh`, instead uses `Field::getMesh()`, and constructs return
fields using this `localmesh`.

Loops in Z use `zstart`/`zend`, or changed to use `BOUT_FOR`
Updating the cxx file functions to use these new features.
* next: (1066 commits)
  Fix more typos in BoutMesh boundary Region y-ranges
  Add implementation of Field2D::applyBoundary(BoutReal time)
  Fix typos in BoutMesh boundary Region y-ranges
  Fixes for FV::Div_a_Laplace_perp
  Add Options::withDefault(Options&) to manual
  Set y-direction of FieldPerp results in ParallelTransformIdentity
  Do not calculate parallel slices for field-aligned fields
  Allow default value of Options to be set from another Options object
  Unit test ParallelTransformIdentity::toFieldAligned/fromFieldAligned
  Set y-direction of results in ParallelTransformIdentity
  Correct Field3D->FieldPerp in error message
  RGN_NOBNDRY in FieldPerp unit tests toFieldAligned and fromFieldAligned
  Unit tests for FieldPerp toFieldAligned and fromFieldAligned
  Add support for shifting a FieldPerp toFieldAligned/fromFieldAligned
  More tests for case sensitivity/insensitivity in options unit tests
  Convert Options::isSection() argument to lower case
  Update required Jinja2 version to avoid CVE-2019-10906
  Move Gridfile::get implementations for Field3D/Field2D to .cxx
  typo
  Warn about random failures in test
  ...
@ZedThree ZedThree added this to the BOUT-4.3 milestone May 8, 2019
* next: (26 commits)
  Make manual entry on file I/O for FieldPerps clearer
  Rename safeAtReverse to safeAt
  Use BoutComm::rank() in datafile.cxx
  Add FieldPerp to File I/O documentation
  Throw in unimplemented 'int' version of GridFromOptions::get
  Make sure yindex_global is invalid in DataFormat::writeFieldAttributes
  HDF5 version of I/O test with reading from restart files
  I/O test with reading from restart files
  Make restart.redistribute work for FieldPerps
  Add FieldPerp to test-io and test-io_hdf5
  More FieldPerp support in datafile.py
  Add FieldPerp support to collect.py
  Loading FieldPerp from grid, only communicate and checkData if valid
  Don't allocate in Mesh::get
  GridFromFile: only allocate FieldPerp when actually reading
  Read attributes when getting Fields from grid-file
  Add FieldPerp version of Mesh::get()
  Implement FieldPerp capability in FieldFactory
  Don't use DataFormat::mesh when it might be nullptr
  Move readFieldAttributes/writeFieldAttributes to DataFormat
  ...
* next: (80 commits)
  Deprecate Karniadakis solver
  Remove Laplace3D
  Don't specify boundary regions in D2DXDY
  Use function_traits<T>::arg_t<N> in SUNDIALS wrappers
  Add some tests for function_traits
  Provide function_traits<T>::arg_t<0> for ease of use
  Remove autoconf macros for handling SUNDIALS integer types
  Replace SUNDIALS int types with `function_traits` or sunindextype
  Add traits class to get types of function arguments
  fix nc-format
  Manual section on mixed second derivatives
  In D2DXDY take y-derivative first, apply boundary condition before DDX
  Take z-derivative before x-derivative in D2DXDZ
  Simplify location-setting in D2DYDZ
  Handle attributes for missing variables
  Revert "Hypnotoad: 'H' is derivative of integral"
  Default initialise member variables
  Fix return type on empty Petsc Laplace solve
  Add LaplacianNaulin::resetMeanIterations
  Replace old-style C casts with static_cast in PetscSolver
  ...
@ZedThree ZedThree modified the milestones: BOUT-4.3, BOUT-5.0 Jun 28, 2019
@ZedThree ZedThree mentioned this pull request Jan 5, 2021
@ZedThree ZedThree removed this from the BOUT-5.0 milestone Jul 1, 2022
@dschwoerer
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What is the best way to move this forward?
Is it worth trying to resolve the conflicts, or is it easier to start again?

Also, should this be split in several PRs, to make it easier (and thus faster) to review?

@ZedThree
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ZedThree commented Feb 3, 2023

We have a new RSE starting next week, this will be on their to-do list, but it might be awhile before they actually get to it.

I haven't looked at how bad the conflicts are, but I suspect that will determine how we actually proceed.

Multiple PRs might be better, but the hope with the new RSE is that we'll have a bit more bandwidth to review PRs and get them merged faster.

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4 participants