Merge remote-tracking branch 'origin/release'

BDDC: fix a bug by using MatDenseGetColumnVec() to replace the dangerous MatDenseGetArray()+VecPlaceArray()

Merge branch 'barry/2022-01-02/minor-sellmat' into 'main'

MatSELL maintenance and documentation

See merge request petsc/petsc!4715

Add PetscCeilInt() to clean up disparate computations of ceil for integers

Commit-type: style
\spend 20m

Merge branch 'jolivet/feature-block-splitting' into 'main'

PCHPDDM: algebraic -pc_hpddm_block_splitting

See merge request petsc/petsc!4706

PCHPDDM: algebraic -pc_hpddm_block_splitting

Fixes for the Intel OneAPI compiler and MPI

Commit-type: bug-fix, portability-fix, testing-fix
\send 1h
Reported-by: Satish Balay <balay@mcs.anl.gov>

Stash communicators previously used for external packages so that they may be reused.

Previously we used MPI_Comm_dup() and free() but for some MPI implementations including MPI Spectrum the MPI_Com

Stash communicators previously used for external packages so that they may be reused.

Previously we used MPI_Comm_dup() and free() but for some MPI implementations including MPI Spectrum the MPI_Comm_free() does not actually return the communicator so eventually they run out.

Commit-type: portability-fix
\spend 3h
Reported-by: Elias Karabelas <elias.karabelas@uni-graz.at>

show more ...

Merge branch 'jacobf/2021-12-09/attribute-format-mat' into 'main'

Feature: Attribute Format - Mat

See merge request petsc/petsc!4634

Merge remote-tracking branch 'origin/release'

For for TFS preconditioner that assumed variable args argument could be treated as non-variable args

Problem found with Intel's OneAPI compiler and with clang on Apples M1 system

Commit-type: bug-f

For for TFS preconditioner that assumed variable args argument could be treated as non-variable args

Problem found with Intel's OneAPI compiler and with clang on Apples M1 system

Commit-type: bug-fix, portability-fix
/spend 1h
Reported-by: Satish Balay <sbalay@mcs.anl.gov>

show more ...

Change HAVE_MKL to HAVE_MKL_LIBS and Add HAVE_MKL_INCLUDES

remove trailing newline from SETERRQ

MATIS: fix what NULL means for l2gmap

conceptually, a NULL l2map is a full local to global map
petsc4py: support for MatCreateIS and add MATIS tests

Merge remote-tracking branch 'origin/release'

PCKSP man page: update Note

Minor

Merge remote-tracking branch 'origin/release'

Remove -Wunused-but-set with clang-13

Merge remote-tracking branch 'origin/release'

- Replace the current CUPM initialization infrastructure with PetscDevice.
- Remove -petsc_use_default_null_stream and -[cuda|hip]_synchronize options
- Remove PetscCUDASynchronize and PetscHIPSynchr

- Replace the current CUPM initialization infrastructure with PetscDevice.
- Remove -petsc_use_default_null_stream and -[cuda|hip]_synchronize options
- Remove PetscCUDASynchronize and PetscHIPSynchronize
- Remove PetscCUDAInitialize(), PetscCUDAInitializeCheck(), PetscHIPInitialize(), and
PetscHIPInitializeCheck()
- Remove PetscCUBLASInitializeHandle(), PetscCUSOLVERDnInitializeHandle(),
PetscHIPBLASInitializeHandle(), and PetscHIPSOLVERInitializeHandle().
- Remove petsc_gputimer_begin and petsc_gputimer_begin
- Add -device_enable, -device_select and -device_view options
- Replace -[cuda|hip]_device with split options -device_enable_[cuda|hip] and -device_select_[cuda|hip]
- Replace -[cuda|hip]_view with -device_view_[cuda|hip]
- Add PetscDeviceInitType
- Add PetscDeviceInitialize() and PetscDeviceInitialized()
- Add PetscDeviceView()

show more ...

PCTELECSCOPE: use the PC matrix's vectype as the reduce vector's type

Merge branch 'barry/2021-06-10/fix-chkerrq' into 'main'

Fix missing ierr =, removed incorrect CHKERRQ(), change CHKStringError

See merge request petsc/petsc!4078

Fix missing ierr =, removed incorrect CHKERRQ()

Commit-type: error-checking, style-fix
\spend 45m

style-fixes