[petsc-users] MatFindOffBlockDiagonalEntries error

Fri Jun 19 11:46:47 CDT 2020

Dear Mark,

I updated Petsc and again, here's the error:

[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: Arguments must have same communicators
[0]PETSC ERROR: [1]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[1]PETSC ERROR: Arguments must have same communicators
[1]PETSC ERROR: Different communicators in the two objects: Argument #
1 and 2 flag 3
[1]PETSC ERROR: See
https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
shooting.
[1]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[1]PETSC ERROR: [2]PETSC ERROR: [3]PETSC ERROR: ---------------------
Error Message --------------------------------------------------------------
[3]PETSC ERROR: Arguments must have same communicators
[3]PETSC ERROR: Different communicators in the two objects: Argument #
1 and 2 flag 3
[3]PETSC ERROR: See
https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
shooting.
[3]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[3]PETSC ERROR:
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
[3]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
--download-mpich --download-openblas --download-slepc --download-metis
--download-parmetis --download-chaco --with-X=1
Different communicators in the two objects: Argument # 1 and 2 flag 3
[0]PETSC ERROR: See
https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
shooting.
[0]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[0]PETSC ERROR:
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
[0]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
--download-mpich --download-openblas --download-slepc --download-metis
--download-parmetis --download-chaco --with-X=1
[0]PETSC ERROR: #1 MatCopy() line 4044 in
/home/edaoktay/petsc-3.13.2/src/mat/interface/matrix.c
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
[1]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
--download-mpich --download-openblas --download-slepc --download-metis
--download-parmetis --download-chaco --with-X=1
[1]PETSC ERROR: #1 MatCopy() line 4044 in
/home/edaoktay/petsc-3.13.2/src/mat/interface/matrix.c
[3]PETSC ERROR: #1 MatCopy() line 4044 in
/home/edaoktay/petsc-3.13.2/src/mat/interface/matrix.c
[0]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[0]PETSC ERROR: Nonconforming object sizes
[1]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[1]PETSC ERROR: Nonconforming object sizes
[1]PETSC ERROR: Non conforming matrix add: global sizes 1 x 72, 1 x 72
[3]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[3]PETSC ERROR: Nonconforming object sizes
[3]PETSC ERROR: Non conforming matrix add: global sizes 16 x 72, 16 x 72
[3]PETSC ERROR: [0]PETSC ERROR: Non conforming matrix add: global
sizes 52 x 72, 52 x 72
[0]PETSC ERROR: See
https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
shooting.
[0]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[0]PETSC ERROR: [1]PETSC ERROR: See
https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
shooting.
[1]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[1]PETSC ERROR:
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
See https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble shooting.
[3]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[3]PETSC ERROR:
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
[3]PETSC ERROR:
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
[0]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
--download-mpich --download-openblas --download-slepc --download-metis
--download-parmetis --download-chaco --with-X=1
[0]PETSC ERROR: [1]PETSC ERROR: Configure options --with-cc=gcc
--with-cxx=g++ --download-mpich --download-openblas --download-slepc
--download-metis --download-parmetis --download-chaco --with-X=1
[1]PETSC ERROR: #2 MatAXPY() line 72 in
/home/edaoktay/petsc-3.13.2/src/mat/utils/axpy.c
Configure options --with-cc=gcc --with-cxx=g++ --download-mpich
--download-openblas --download-slepc --download-metis
--download-parmetis --download-chaco --with-X=1
[3]PETSC ERROR: #2 MatAXPY() line 72 in
/home/edaoktay/petsc-3.13.2/src/mat/utils/axpy.c
#2 MatAXPY() line 72 in /home/edaoktay/petsc-3.13.2/src/mat/utils/axpy.c

Elapsed time: 2.5e-01

--------------------- Error Message
--------------------------------------------------------------
[2]PETSC ERROR: Arguments must have same communicators
[2]PETSC ERROR: Different communicators in the two objects: Argument #
1 and 2 flag 3
[2]PETSC ERROR: See
https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
shooting.
[2]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[2]PETSC ERROR:
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
[2]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
--download-mpich --download-openblas --download-slepc --download-metis
--download-parmetis --download-chaco --with-X=1
[2]PETSC ERROR: #1 MatCopy() line 4044 in
/home/edaoktay/petsc-3.13.2/src/mat/interface/matrix.c
[2]PETSC ERROR: --------------------- Error Message
--------------------------------------------------------------
[2]PETSC ERROR: Nonconforming object sizes
[2]PETSC ERROR: Non conforming matrix add: global sizes 3 x 72, 3 x 72
[2]PETSC ERROR: See
https://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
shooting.
[2]PETSC ERROR: Petsc Release Version 3.13.2, Jun 02, 2020
[2]PETSC ERROR:
./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
19:44:41 2020
[2]PETSC ERROR: Configure options --with-cc=gcc --with-cxx=g++
--download-mpich --download-openblas --download-slepc --download-metis
--download-parmetis --download-chaco --with-X=1
[2]PETSC ERROR: #2 MatAXPY() line 72 in
/home/edaoktay/petsc-3.13.2/src/mat/utils/axpy.c

What can be the reason?

Mark Adams <mfadams at lbl.gov>, 19 Haz 2020 Cum, 18:41 tarihinde şunu yazdı:
>
> I don't know what is going on here. There was an update to this function about a year ago, so that might fix your problem.
>
> We would need you to test with a current version.
>
> Mark
>
> On Fri, Jun 19, 2020 at 11:23 AM Eda Oktay <eda.oktay at metu.edu.tr> wrote:
>>
>> Hi all,
>>
>> I am trying to find off block diagonal entries of a matrix and I am
>> trying to use MatFindOffBlockDiagonalEntries. However, although my
>> matrix is not NULL, I am getting an error message as follows:
>>
>> 1]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [1]PETSC ERROR: [2]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [2]PETSC ERROR: Null argument, when expecting valid pointer
>> [2]PETSC ERROR: Null Object: Parameter # 1
>> [2]PETSC ERROR: See
>> http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
>> shooting.
>> [2]PETSC ERROR: Petsc Release Version 3.11.1, Apr, 12, 2019
>> [2]PETSC ERROR: [3]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [3]PETSC ERROR: Null argument, when expecting valid pointer
>> [3]PETSC ERROR: Null Object: Parameter # 1
>> [3]PETSC ERROR: See
>> http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
>> shooting.
>> [3]PETSC ERROR: Null argument, when expecting valid pointer
>> [1]PETSC ERROR: Null Object: Parameter # 1
>> [1]PETSC ERROR: See
>> http://www.mcs.anl.gov/petsc/documentation/faq.html for trouble
>> shooting.
>> [1]PETSC ERROR: Petsc Release Version 3.11.1, Apr, 12, 2019
>> [1]PETSC ERROR:
>> ./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
>> arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
>> 18:19:11 2020
>> [1]PETSC ERROR: Configure options --download-mpich --download-openblas
>> --download-slepc --download-metis --download-parmetis --download-chaco
>> --with-X=1
>> [1]PETSC ERROR: #1 ISGetSize() line 510 in
>> /home/edaoktay/petsc-3.11.1/src/vec/is/is/interface/index.c
>> [1]PETSC ERROR:
>> ./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
>> arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
>> 18:19:11 2020
>> [2]PETSC ERROR: Configure options --download-mpich --download-openblas
>> --download-slepc --download-metis --download-parmetis --download-chaco
>> --with-X=1
>> [2]PETSC ERROR: #1 ISGetSize() line 510 in
>> /home/edaoktay/petsc-3.11.1/src/vec/is/is/interface/index.c
>> [2]PETSC ERROR: #2 MatFindOffBlockDiagonalEntries_MPIAIJ() line 211 in
>> /home/edaoktay/petsc-3.11.1/src/mat/impls/aij/mpi/mpiaij.c
>> [2]PETSC ERROR: #2 MatFindOffBlockDiagonalEntries_MPIAIJ() line 211 in
>> /home/edaoktay/petsc-3.11.1/src/mat/impls/aij/mpi/mpiaij.c
>> [1]PETSC ERROR: #3 MatFindOffBlockDiagonalEntries() line 10502 in
>> /home/edaoktay/petsc-3.11.1/src/mat/interface/matrix.c
>> #3 MatFindOffBlockDiagonalEntries() line 10502 in
>> /home/edaoktay/petsc-3.11.1/src/mat/interface/matrix.c
>> Petsc Release Version 3.11.1, Apr, 12, 2019
>> [3]PETSC ERROR:
>> ./approx_cut_deneme_clustering_son_final_edgecut_without_parmetis on a
>> arch-linux2-c-debug named b342.wls.metu.edu.tr by edaoktay Fri Jun 19
>> 18:19:11 2020
>> [3]PETSC ERROR: Configure options --download-mpich --download-openblas
>> --download-slepc --download-metis --download-parmetis --download-chaco
>> --with-X=1
>> [3]PETSC ERROR: #1 ISGetSize() line 510 in
>> /home/edaoktay/petsc-3.11.1/src/vec/is/is/interface/index.c
>> [3]PETSC ERROR: #2 MatFindOffBlockDiagonalEntries_MPIAIJ() line 211 in
>> /home/edaoktay/petsc-3.11.1/src/mat/impls/aij/mpi/mpiaij.c
>> [3]PETSC ERROR: #3 MatFindOffBlockDiagonalEntries() line 10502 in
>> /home/edaoktay/petsc-3.11.1/src/mat/interface/matrix.c
>>
>> And the program is still running.
>>
>> The part of my program is :
>>
>>   Mat Ais;
>>   MatCreateSubMatrix(A,idUi,idUi,MAT_INITIAL_MATRIX,&Ais);
>>   ISSetPermutation(idUi);
>>   MatPermute(Ais,idUi,idUi,&PL);
>>   IS offd;
>>   MatFindOffBlockDiagonalEntries(PL,&offd);
>>
>> Since there isn't any examples for this function, I couldn't
>> understand what should I do. Since it says in the error that it is
>> about parameter 1, the matrix, I don't know how to solve the problem.
>> My matrix PL is parallel sparse. I know there shouldn't be any problem
>> in PL since I can view PL by using MatView.
>>
>> Thanks!
>>
>> Eda