[petsc-users] PetscSFReduceBegin can not handle MPI_CHAR?

[Fande Kong]

I am working on petsc master. So it should be fine to have it in 3.11

Fande 


> On Apr 2, 2019, at 10:06 PM, Jed Brown <jed at jedbrown.org> wrote:
> 
> We can add it easily.  Would it be enough to add it to petsc-3.11.*?
> (I'd rather not backport to an earlier version, for which we presumably
> won't have any more maintenance releases.)
> 
> Fande Kong via petsc-users <petsc-users at mcs.anl.gov> writes:
> 
>> Hi All,
>> 
>> There were some error messages when using PetscSFReduceBegin with MPI_CHAR.
>> 
>> ierr =
>> PetscSFReduceBegin(ptap->sf,MPI_CHAR,rmtspace,space,MPI_SUM);CHKERRQ(ierr);
>> 
>> 
>> My question would be: Does PetscSFReduceBegin suppose work with MPI_CHAR?
>> If not, should we document somewhere?
>> 
>> Thanks
>> 
>> Fande,
>> 
>> 
>> [*0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------*
>> *[0]PETSC ERROR: No support for this operation for this object type*
>> *[0]PETSC ERROR: No support for type size not divisible by 4*
>> *[0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>> <http://www.mcs.anl.gov/petsc/documentation/faq.html> for trouble shooting.*
>> *[0]PETSC ERROR: Petsc Development GIT revision: v3.10.4-1989-gd816d1587e
>> GIT Date: 2019-04-02 17:37:18 -0600*
>> *[0]PETSC ERROR: [1]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------*
>> *[1]PETSC ERROR: No support for this operation for this object type*
>> *[1]PETSC ERROR: No support for type size not divisible by 4*
>> *[1]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>> <http://www.mcs.anl.gov/petsc/documentation/faq.html> for trouble shooting.*
>> *[1]PETSC ERROR: Petsc Development GIT revision: v3.10.4-1989-gd816d1587e
>> GIT Date: 2019-04-02 17:37:18 -0600*
>> *[1]PETSC ERROR: ./ex90 on a arch-linux2-c-dbg-feature-ptap-all-at-once
>> named fn605731.local by kongf Tue Apr  2 21:48:41 2019*
>> *[1]PETSC ERROR: Configure options --download-hypre=1 --with-debugging=yes
>> --with-shared-libraries=1 --download-fblaslapack=1 --download-metis=1
>> --download-parmetis=1 --download-superlu_dist=1
>> PETSC_ARCH=arch-linux2-c-dbg-feature-ptap-all-at-once --download-ptscotch
>> --download-party --download-chaco --with-cxx-dialect=C++11*
>> *[1]PETSC ERROR: #1 PetscSFBasicPackTypeSetup() line 678 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/impls/basic/sfbasic.c*
>> *[1]PETSC ERROR: #2 PetscSFBasicGetPack() line 804 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/impls/basic/sfbasic.c*
>> *[1]PETSC ERROR: #3 PetscSFReduceBegin_Basic() line 1024 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/impls/basic/sfbasic.c*
>> *./ex90 on a arch-linux2-c-dbg-feature-ptap-all-at-once named
>> fn605731.local by kongf Tue Apr  2 21:48:41 2019*
>> *[0]PETSC ERROR: Configure options --download-hypre=1 --with-debugging=yes
>> --with-shared-libraries=1 --download-fblaslapack=1 --download-metis=1
>> --download-parmetis=1 --download-superlu_dist=1
>> PETSC_ARCH=arch-linux2-c-dbg-feature-ptap-all-at-once --download-ptscotch
>> --download-party --download-chaco --with-cxx-dialect=C++11*
>> *[0]PETSC ERROR: #1 PetscSFBasicPackTypeSetup() line 678 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/impls/basic/sfbasic.c*
>> *[0]PETSC ERROR: #2 PetscSFBasicGetPack() line 804 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/impls/basic/sfbasic.c*
>> *[0]PETSC ERROR: #3 PetscSFReduceBegin_Basic() line 1024 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/impls/basic/sfbasic.c*
>> *[0]PETSC ERROR: #4 PetscSFReduceBegin() line 1208 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/interface/sf.c*
>> *[0]PETSC ERROR: #5 MatPtAPNumeric_MPIAIJ_MPIAIJ_allatonce() line 850 in
>> /Users/kongf/projects/petsc/src/mat/impls/aij/mpi/mpiptap.c*
>> *[0]PETSC ERROR: #6 MatPtAP_MPIAIJ_MPIAIJ() line 202 in
>> /Users/kongf/projects/petsc/src/mat/impls/aij/mpi/mpiptap.c*
>> *[0]PETSC ERROR: #7 MatPtAP() line 9429 in
>> /Users/kongf/projects/petsc/src/mat/interface/matrix.c*
>> *[0]PETSC ERROR: #8 main() line 58 in
>> /Users/kongf/projects/petsc/src/mat/examples/tests/ex90.c*
>> *[0]PETSC ERROR: PETSc Option Table entries:*
>> *[0]PETSC ERROR: -matptap_via allatonce*
>> *[0]PETSC ERROR: ----------------End of Error Message -------send entire
>> error message to petsc-maint at mcs.anl.gov----------*
>> *[1]PETSC ERROR: #4 PetscSFReduceBegin() line 1208 in
>> /Users/kongf/projects/petsc/src/vec/is/sf/interface/sf.c*
>> *[1]PETSC ERROR: #5 MatPtAPNumeric_MPIAIJ_MPIAIJ_allatonce() line 850 in
>> /Users/kongf/projects/petsc/src/mat/impls/aij/mpi/mpiptap.c*
>> *[1]PETSC ERROR: #6 MatPtAP_MPIAIJ_MPIAIJ() line 202 in
>> /Users/kongf/projects/petsc/src/mat/impls/aij/mpi/mpiptap.c*
>> *[1]PETSC ERROR: #7 MatPtAP() line 9429 in
>> /Users/kongf/projects/petsc/src/mat/interface/matrix.c*
>> *[1]PETSC ERROR: #8 main() line 58 in
>> /Users/kongf/projects/petsc/src/mat/examples/tests/ex90.c*
>> *[1]PETSC ERROR: PETSc Option Table entries:*
>> *[1]PETSC ERROR: -matptap_via allatonce*
>> *[1]PETSC ERROR: ----------------End of Error Message -------send entire
>> error message to petsc-maint at mcs.anl.gov----------*
>> *--------------------------------------------------------------------------*
>> *MPI_ABORT was invoked on rank 1 in communicator MPI_COMM_WORLD*
>> *with errorcode 56.*
>> 
>> *NOTE: invoking MPI_ABORT causes Open MPI to kill all MPI processes.*
>> *You may or may not see output from other processes, depending on*
>> *exactly when Open MPI kills them.*
>> *--------------------------------------------------------------------------*
>> *[fn605731.local:78133] 1 more process has sent help message
>> help-mpi-api.txt / mpi-abort*
>> *[fn605731.local:78133] Set MCA parameter "orte_base_help_aggregate" to 0
>> to see all help / error messages*