Merge branch 'jczhang/feature-sf-do-pack-on-gpu' into 'master'

Add support to do pack/unpack on GPU and do MPI on CPU

See merge request petsc/petsc!2205

Merge branch 'jose/fix-fortran-interface' into 'master'

Fix Fortran interface that messed up with CAPS vs !UNDERSCORE

See merge request petsc/petsc!2283

Merge remote-tracking branch 'origin/maint'

Merge branch 'wence/fix/valgrind-warnings' into 'maint'

Fix some of the valgrind memory leaks

See merge request petsc/petsc!2286

SF: Add note that user must free iremote from GetGraph in Fortran

Fix item list in manpages of XXXViewFromOptions

Merge branch 'mark/fix-viewfromoptions' into 'master'

prototype for ViewFromOptions macro-->functions

See merge request petsc/petsc!2083

prototype for ViewFromOptions macro-->functions

Add an option -sf_use_pinned_buffer to use non-pagable host memory for send/recv buffer when passing GPU data

Merge branch 'stefanozampini/fix-sfcompose' into 'master'

Allow sparse leaves in SFCompose operations

See merge request petsc/petsc!2164

PetscSFCompose{Inverse}: support sparsity in leaf space

Improve notes for "non-true-star-forests" cases

Merge remote-tracking branch 'origin/jczhang/feature-sf-on-gpu'

Add GPU-aware VecScatter/PetscSF

See merge request petsc/petsc!1995

Added SF GPU support

Move related routines together

Merge branch 'master' into 'barry/2019-08-22/fix-fblaslapack-for-nag'

# Conflicts:
# lib/petsc/conf/test

Merge branch 'wence/feature/sf-check-graph-valid' into 'master'

SF: Check validity of graph in debug mode

See merge request petsc/petsc!1983

SF: Stricter check for valid inputs in PetscSFCompose

An SF might not encode a true star forest (leaves could be repeated).
Composition of SFs does, however, rely on unique leaves, so check that in

SF: Stricter check for valid inputs in PetscSFCompose

An SF might not encode a true star forest (leaves could be repeated).
Composition of SFs does, however, rely on unique leaves, so check that in
debug mode.

show more ...

SF: Check validity of graph in debug mode

Forbid negative leaf indices in ilocal, negative root indices in
iremote, and invalid ranks in iremote. Since sometimes an SF is used
just to carry informat

SF: Check validity of graph in debug mode

Forbid negative leaf indices in ilocal, negative root indices in
iremote, and invalid ranks in iremote. Since sometimes an SF is used
just to carry information (e.g. DMLocatePoints), do the check when
we're setting up rather than when setting the graph.

show more ...

Merge branch 'wence/fix/sf-compose-non-identity' into 'master'

Fix PetscSFCompose when sfA has non-identity permutation of the local space

See merge request petsc/petsc!1979

SF: Handle non-identity local spaces in PetscSFCompose

It is not always the case that the local spaces of the SFs we are
composing are the identity. Remove that implicit assumption, both for
the cas

SF: Handle non-identity local spaces in PetscSFCompose

It is not always the case that the local spaces of the SFs we are
composing are the identity. Remove that implicit assumption, both for
the cases where sfA has a permutation in the local space, and in sfB
where the local space may further be sparse.

show more ...

Merge branch 'jczhang/sf-more-opts' [PR #1567]

* jczhang/sf-more-opts:
Add more optimizations in SF and use it as the default for VecScatter.

Add PetscSFComposeInverse and revise PetscSFCompose

Add patterned SF graphs and use x as roots and y as leaves in x to y vecscatter

Add op GetGraph in SF so that we can customize it

Add op CreateLocalSF in SF so that we can customize it

Also, we now create local SF on demand (i.e., lazily) since it is not always used.