Config: remove --with-kokkos-cuda-arch, and use only -with-cuda-gencodearch

Merge remote-tracking branch 'origin/release'

Document some common vim configuration choices for PETSc

Plex: Hybrid dm must shared celltype label with coordinate dm
- Added DMSetLabel()

Plex: Now meshes can be created automatically from the command line, and some more fixes
- Changed internal mesh creation functions to operate on a DM instead of
creating a new one so that they can h

Plex: Now meshes can be created automatically from the command line, and some more fixes
- Changed internal mesh creation functions to operate on a DM instead of
creating a new one so that they can happen with options
- Fixed coordinates in CreateCubeBoundary_Internal()
- Added DMPlexShape for prebuilt meshes
- Added DMPlexIsSimplex()
- Added DMPlexCreateCoordinateSpace()
- DMPlexDistributeCoordinates() should copy the coordinate
discretization
- DMPlexInterpolateFaces_Internal() should be careful to preserve the
lower bound when resetting the chart
- PetscSectionSetChart() should ignore entries that match the current
ones
- Added DMPolytopeTypeSimpleShape()
- Do not require an EGADS model for TetGen
- Detail ASCII viewer shows all labels
- Default viewer shows periodicity

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Merge remote-tracking branch 'origin/release'

Merge branch 'psanan/docs-clean-classic-build' into 'release'

Docs: Clean classic docs build used with Sphinx build

See merge request petsc/petsc!3950

Docs: Clean classic docs build used with Sphinx build

fixed dev team table not being generated

Docs: developer docs: add missing underscores in description of "_p_class" structs

Add support for using -snes_mf_operator with SNESSetPicard()

Applies Newton's method using matrix-free application of the true Jacobian, preconditioned by user provided Picard matrix

This involved

Add support for using -snes_mf_operator with SNESSetPicard()

Applies Newton's method using matrix-free application of the true Jacobian, preconditioned by user provided Picard matrix

This involved adding (*computemffunction)(SNES,Vec,Vec,void*); to be used by the MatCreateSNESMF() operator when it is set and routines to work with the new function.

The implementation requires maintaining a copy of the matrix that is filled by the users routine that computes the matrix at each matrix-vector product. The original matrix is used for constructing the preconditioner and therefor cannot be overwritten.

Also dropped the requirement that the user provide a right hand side function to SNESSetPicard()

Commit-type: feature, example
/spend 8h
Thanks-to: Saransh Saxena <saransh.saxena5571@gmail.com>

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Merge remote-tracking branch 'origin/release'

Merge branch 'barry/2021-05-04/fix-mumps-cntl-7' into 'main'

Remove option -mat_mumps_icntl_7 1 handling, since it is no longer supported following !3739 #894

See merge request petsc/petsc!3948

Merge branch 'jed/testing-ergonomics/release' into 'release'

Documentation and read-only testing

See merge request petsc/petsc!3885

Merge remote-tracking branch 'origin/release'

fortran: enable help message by adding PetscInitialize(filename,help,ierr)

Merge branch 'ksagiyam/plex_hdf5_refactor' into 'main'

Ksagiyam/plex hdf5 refactor

See merge request petsc/petsc!3934

plex: add DMPlexLabelsLoad

Use GPU event timer instead of CPU timer

- Support CUDA and HIP
- Initialize CUDA event timers along with CUDA
- Update dev changes
- Package-specific includes should not be placed in public include

Use GPU event timer instead of CPU timer

- Support CUDA and HIP
- Initialize CUDA event timers along with CUDA
- Update dev changes
- Package-specific includes should not be placed in public include files.

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Remove option -mat_mumps_icntl_7 1 handling, since it is no longer supported following !3739 #894

Using -mat_mumps_icntl_7 1 results in a crash, add error checking to not allow it

Also added docume

Remove option -mat_mumps_icntl_7 1 handling, since it is no longer supported following !3739 #894

Using -mat_mumps_icntl_7 1 results in a crash, add error checking to not allow it

Also added documentation for three other ordering methods not previously listed

Commit-type: error-checking, bug-fix
/spend 20m
Reported-by: https://gitlab.com/ksagiyam
Thanks-to: https://gitlab.com/prj-

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Docs: re-add manual pages table of contents

Merge branch 'haplav/fix-docs-changes-indentation-main' into 'main'

changes/dev.rst: Add back style guidelines and elaborate.

See merge request petsc/petsc!3947

Merge remote-tracking branch 'origin/release'

changes/dev.rst: Add back style guidelines and elaborate.

* Remove redundant indentation.
* Done using `sed -i.bkp -e 's/^ //g' $PETSC_DIR/doc/documentation/changes/dev.rst`
* Address https://gitl

changes/dev.rst: Add back style guidelines and elaborate.

* Remove redundant indentation.
* Done using `sed -i.bkp -e 's/^ //g' $PETSC_DIR/doc/documentation/changes/dev.rst`
* Address https://gitlab.com/petsc/petsc/-/merge_requests/3926#note_562663204

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doc/documentation/changes/*.rst: Remove redundant indentation.

* Done using `sed -i.bkp -e 's/^ //g' $PETSC_DIR/doc/documentation/changes/*.rst`
* Address https://gitlab.com/petsc/petsc/-/merge_re

doc/documentation/changes/*.rst: Remove redundant indentation.

* Done using `sed -i.bkp -e 's/^ //g' $PETSC_DIR/doc/documentation/changes/*.rst`
* Address https://gitlab.com/petsc/petsc/-/merge_requests/3926#note_562663204

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