protect logging of objects (which uses global variables) with PETSC_USE_LOG

Merge branch 'barry/saws'

Merge branch 'master' into knepley/feature-fem-dgspace

* master: (593 commits)
Bib: Added Top500 and fixed entry
fun3d: update PetscMallocValidate() usage
bib: rename ref with duplicate key

Merge branch 'master' into knepley/feature-fem-dgspace

* master: (593 commits)
Bib: Added Top500 and fixed entry
fun3d: update PetscMallocValidate() usage
bib: rename ref with duplicate key
Webpage: Corrected '-dm_mat_type cusp' to 'dm_mat_type aijcusp'.
Allow calling MatGetBlockSize[s]() before matrix preallocation
SNESLINESEARCHBT: Set the norms when exiting early due to negligible step.
SNESQN: only monitor real part of dot product (fails with C++ complex)
Corrected the #include statement in the man pages for the PetscObjectComposedDataSet/Getwhatever routines.
DMPlex: Added doc for DMPlexGetHybridBounds()
winzip: detect if winzip is used to extract petsc.tar.gz and error out.
configure: remove self.archIndependent as its not being used. [it is used to create externalpackages/package/arch dir which is unused]
configure: fix packages using package-dir/PETSC_ARCH as out-of-source-build location Perhaps this should be changed to package-dir/build?
configure: remove dead code previously used to download BuildSystem
configure: check if compilerDefines [and compilerFixes] exist in framework before using them
configure: save/restore reconfigure.py when --with-clean is used
configure: add --with-clean option to delete buildfiles/externalpackages in PETSC_DIR/PETSC_ARCH and potential externalpackages in --with-external-package-dir/PETSC_ARCH
configure: With --with-externalpackages-dir=dir store/build packages in dir/PETSC_ARCH
Add MatSeqSBAIJSetPreallocationCSR()
configure: switch to using PETSC_DIR/PETSC_ARCH/externalpackages by updating package.py to use externalpackages.py as the externalPackagesDirProvider
configure: move dead code configureExternalPackagesDir() from petscdir.py to externalpackagesdir.py Also set PETSC_DIR/PETSC_ARCH/externalpackages as the externalpackagesdir
...

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completed removing server code that was not removed in previous commit

Merge branch 'jed/check-pointer-runtime' into barry/saws

Conflicts:
include/petscerror.h
src/sys/error/pstack.c

Merge branch 'master' into barry/saws

Conflicts:
src/ksp/pc/impls/gamg/gamg.c
src/sys/classes/viewer/impls/ams/ams.c
src/sys/objects/pinit.c

Sys: add PetscFunctionBeginHot to switch to cheaper pointer checks

Some logging and debugging operations are expensive. In particular,
applications can see order of magnitude slowdowns when PetscCh

Sys: add PetscFunctionBeginHot to switch to cheaper pointer checks

Some logging and debugging operations are expensive. In particular,
applications can see order of magnitude slowdowns when PetscCheckPointer
configures a special signal handler (debug builds only). Additionally,
high-frequency events like MAT_SetValues are disabled by default because
it can be expensive to profile.

My marking "hot" regions, we can turn off the expensive operations by
default, but still have the ability to enable them at run-time. This
commit adds PetscFunctionBeginHot, with logic in PetscCheckPointer to
skip the check while inside a "hot" function.

Reported-by: Dave May <dave.mayhem23@gmail.com>

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Merge branch 'master' into knepley/feature-dmda-section

* master: (397 commits)
PetscSynchronizedFGets: fix deadlock at EOF
Compiler: Fix warnings from MPI impls which do not initialize outputs

Merge branch 'master' into knepley/feature-dmda-section

* master: (397 commits)
PetscSynchronizedFGets: fix deadlock at EOF
Compiler: Fix warnings from MPI impls which do not initialize outputs
Increase patchlevel to 3.4.3
SNES: Now work vectors come from the DM
SNES ex62: Remove code generation
SNES: Move setup involving snes->vec_sol from SNESSetUp() to SNESolve()
Compiler: Fix warnings from MPI impls which do not initialize outputs
DMPlex ex7: Added missing test output
SNES ex52: Removed old Jacobian stuff, and fixed call to DMPlexProjectFunction() - Fixed calls for new element handling
SNES ex12: Added a performance profiling mode
DMPlex ex8: Fixed leak
PetscSection: Must reset the section when changing the number of fields
DMPlex ex7: Fixed test output - Corrected orientations in interpolation
DMPlex ex1: Fixed test output - Uniform refinement for quads changed
DMPlex: Fix overagressive checks
PC: Removed support graph PC
configure: both downloadonWindows and worksonWindows refer to MS compilers. Also fix isWindows() -> isWindows(CC).
MatXAIJSetPreallocation: use array[] notation to help out Fortran
__float128: when blas/lapack is not found instruct using f2cblaslapack
Configure: Package.downloadonWindows is supposed to mean that Windows compilers work. not Cygwin - Also changed doc for Package.worksonWindows, which does refer to Cygwin
...

Conflicts:
src/dm/impls/da/dalocal.c

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Merge branch 'master' into knepley/feature-plex-refine-3d

* master: (149 commits)
Bib: Added papers referencing PETSc from ResearchGate
Bib: Fixed urls for some refs Suggested-by: Michele De Ste

Merge branch 'master' into knepley/feature-plex-refine-3d

* master: (149 commits)
Bib: Added papers referencing PETSc from ResearchGate
Bib: Fixed urls for some refs Suggested-by: Michele De Stefano
fixed bug that has appeared recently of false positive errors when there are zero local equations on coarse grids in gamg-agg.
MatSchurComplement: Must initialize KSP package
bib: fix inbook citation
Bib: Updated some refs
SNES: fix copy/paste in man page
fortran: fix KSPCONVERGEDDEFAULT and SNESCONVERGEDSKIP in fortran includes
Mat SBAIJ: avoid invalid memory read in MatSOR_SBAIJ
Revert "MatMPIBAIJSetPreallocationCSR() handled the input matrix entries incorrectly, it treated them as if each row of values"
PCGAMG: fix corruption for multiple solves when MatSetNearNullSpace is used
PCGAMG: remove distracting comment
KSP ex49: restrict near-null space for elasticity example with sym BC
MatMPIBAIJSetPreallocationCSR() handled the input matrix entries incorrectly, it treated them as if each row of values was provided ordered by row within the block rows instead of by block as it was originally designed to be. Also added more discussion to the manual pages on the expected order of the values
Fix accidental creation of the matrices in SNESNCG used for linear analogue LS.
PCGAMG: add man page for PCGAMGType
fortran: fix snesconvergedskip_() kspconvergedskip_() kspconvergeddefault*_()
rm //
Sys: new_ir changed from PetscInt to PetscObjectState - so fix mallocs to use the new type
SNES: Fixed package init in SNESLineSearchCreate()
...

Conflicts:
include/petscdmplex.h
src/dm/impls/plex/examples/tests/ex5.c
src/dm/impls/plex/plex.c
src/dm/interface/dm.c

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initialize SAWS from Fortran initialization as well

Merge branch 'hzhang/snes-jacobiancoloropt' of bitbucket.org:petsc/petsc into hzhang/snes-jacobiancoloropt

Merge branch 'hzhang/snes-jacobiancoloropt' of bitbucket.org:petsc/petsc into hzhang/snes-jacobiancoloropt

Merge branch 'master' into barry/dmvecmattypes
possible some messed up manual merges!

Conflicts:
src/dm/impls/mesh/examples/tutorials/ex4f90.F
src/dm/impls/mesh/mesh.c
src/dm/impls/mesh/meshcreat

Merge branch 'master' into barry/dmvecmattypes
possible some messed up manual merges!

Conflicts:
src/dm/impls/mesh/examples/tutorials/ex4f90.F
src/dm/impls/mesh/mesh.c
src/dm/impls/mesh/meshcreate.c
src/dm/impls/mesh/section.c
src/snes/examples/tutorials/ex10.c
src/snes/examples/tutorials/ex12.c
src/snes/examples/tutorials/ex52.c
src/snes/examples/tutorials/ex62.c
src/snes/utils/mesh/dmmeshsnes.c

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Merge branch 'barry/add-petscfopensetmachine'

* barry/add-petscfopensetmachine:
added PetscPOpenSetMachine() and command line form

Merge branch 'master' into barry/wirth-fusion-materials

Conflicts:
src/ts/examples/tutorials/advection-diffusion-reaction/ex10.c

fix name for PetscOptionsFList() and get FList() and EList() working properly with SAWs legal values

updated to _ and __ variable name support in SAWs
when displaying options don't display man_# or text_#

changed -options_gui to -saws_options
made help message display in SAWs html page use PRE so it is well formated and allocate enough space to hold entire message

Merge branch 'barry/dmvecmattypes' into barry/saws

Needed to work with version of PETSc that did not have constant calls to VecSetFromOptions() etc

Conflicts:
src/ksp/ksp/interface/ams/kspams.c
s

Merge branch 'barry/dmvecmattypes' into barry/saws

Needed to work with version of PETSc that did not have constant calls to VecSetFromOptions() etc

Conflicts:
src/ksp/ksp/interface/ams/kspams.c
src/snes/impls/composite/snescomposite.c
src/snes/impls/gs/snesgs.c
src/snes/impls/nasm/nasm.c
src/snes/impls/ngmres/snesngmres.c

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Merge branch 'knepley/fix-cublas-init'

* knepley/fix-cublas-init:
Sys: Allow CUBLAS init to be turned off - This causes SEGV on my Air all the time

Merge branch 'knepley/fix-cublas-init' into knepley/fix-label-partition

* knepley/fix-cublas-init:
Sys: Allow CUBLAS init to be turned off - This causes SEGV on my Air all the time

Merge branch 'knepley/fix-cublas-init' into knepley/feature-closure-cache

* knepley/fix-cublas-init:
Sys: Allow CUBLAS init to be turned off - This causes SEGV on my Air all the time

Merge branch 'knepley/fix-cublas-init' into knepley/feature-dt-fem

* knepley/fix-cublas-init:
Sys: Allow CUBLAS init to be turned off - This causes SEGV on my Air all the time
DMPlex: Removed de

Merge branch 'knepley/fix-cublas-init' into knepley/feature-dt-fem

* knepley/fix-cublas-init:
Sys: Allow CUBLAS init to be turned off - This causes SEGV on my Air all the time
DMPlex: Removed dead declaration (thanks Lisandro)
added citation for superlu99

Conflicts:
src/sys/objects/pinit.c

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Merge branch 'knepley/fix-cublas-init' into knepley/feature-plex-refine-3d

* knepley/fix-cublas-init:
Sys: Allow CUBLAS init to be turned off - This causes SEGV on my Air all the time
DMPlex: Re

Merge branch 'knepley/fix-cublas-init' into knepley/feature-plex-refine-3d

* knepley/fix-cublas-init:
Sys: Allow CUBLAS init to be turned off - This causes SEGV on my Air all the time
DMPlex: Removed dead declaration (thanks Lisandro)
added citation for superlu99

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Sys: Allow CUBLAS init to be turned off
- This causes SEGV on my Air all the time