[petsc-users] Problem in MPI execution

Fazlul Huq huq2090 at gmail.com
Wed Jan 30 07:57:13 CST 2019


Thanks Matt.

Is there anyway to go over this problem?
I need to run program with parallel Cholesky and ILU.

Thanks.
Sincerely,
Huq

On Wed, Jan 30, 2019 at 7:32 AM Matthew Knepley <knepley at gmail.com> wrote:

> On Wed, Jan 30, 2019 at 8:25 AM Fazlul Huq via petsc-users <
> petsc-users at mcs.anl.gov> wrote:
>
>> Hello PETSc Developers,
>>
>> I am trying to run my code with the following commands:
>> $PETSC_DIR/$PETSC_ARCH/bin/mpiexec -n 6 ./poisson_m -n $x -pc_type hypre
>> -pc_hypre_type boomeramg
>> $PETSC_DIR/$PETSC_ARCH/bin/mpiexec -n 2 ./poisson_m -n $x -pc_type
>> cholesky -log_view
>> $PETSC_DIR/$PETSC_ARCH/bin/mpiexec -n 2 ./poisson_m -n $x -pc_type ilu
>> -log_view
>>
>
> We do not have parallel Cholesky or ILU by default. Here is the table of
> solvers:
> https://www.mcs.anl.gov/petsc/documentation/linearsolvertable.html
>
>   Matt
>
>
>> It works with fine first case (-pc_type hypre -pc_hyper_type boomeramg)
>> but for 2nd and 3rd case I got the following error message:
>>
>> Solving the problem...[0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: See
>> http://www.mcs.anl.gov/petsc/documentation/linearsolvertable.html for
>> possible LU and Cholesky solvers
>> [0]PETSC ERROR: Could not locate a solver package. Perhaps you must
>> ./configure with --download-<package>
>> [0]PETSC ERROR: See http://www.mcs.anl.gov/petsc/documentation/faq.html
>> for trouble shooting.
>> [0]PETSC ERROR: Petsc Release Version 3.10.2, Oct, 09, 2018
>> [0]PETSC ERROR: ./poisson_m on a arch-linux2-c-debug named
>> huq2090-XPS-15-9570 by huq2090 Wed Jan 30 07:17:40 2019
>> [0]PETSC ERROR: Configure options --with-debugging=no
>> --with-64-bit-indices --download-hypre --download-mpich
>> [0]PETSC ERROR: #1 MatGetFactor() line 4415 in
>> /home/huq2090/petsc-3.10.2/src/mat/interface/matrix.c
>> [0]PETSC ERROR: #2 PCSetUp_ILU() line 142 in
>> /home/huq2090/petsc-3.10.2/src/ksp/pc/impls/factor/ilu/ilu.c
>> [0]PETSC ERROR: #3 PCSetUp() line 932 in
>> /home/huq2090/petsc-3.10.2/src/ksp/pc/interface/precon.c
>> [0]PETSC ERROR: #4 KSPSetUp() line 391 in
>> /home/huq2090/petsc-3.10.2/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: #5 KSPSolve() line 723 in
>> /home/huq2090/petsc-3.10.2/src/ksp/ksp/interface/itfunc.c
>> [0]PETSC ERROR: #6 main() line 199 in
>> /home/huq2090/petsc-3.10.2/problems/ksp/poisson_m.c
>> [0]PETSC ERROR: PETSc Option Table entries:
>> [0]PETSC ERROR: -log_view
>> [0]PETSC ERROR: -n 9999999
>> [0]PETSC ERROR: -pc_type ilu
>> [0]PETSC ERROR: ----------------End of Error Message -------send entire
>> error message to petsc-maint at mcs.anl.gov----------
>> application called MPI_Abort(MPI_COMM_WORLD, 92) - process 0
>>
>>
>> Any suggestion?
>> Thanks.
>> Sincerely,
>> Huq
>>
>> --
>>
>> Fazlul Huq
>> Graduate Research Assistant
>> Department of Nuclear, Plasma & Radiological Engineering (NPRE)
>> University of Illinois at Urbana-Champaign (UIUC)
>> E-mail: huq2090 at gmail.com
>>
>
>
> --
> What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> -- Norbert Wiener
>
> https://www.cse.buffalo.edu/~knepley/
> <http://www.cse.buffalo.edu/~knepley/>
>


-- 

Fazlul Huq
Graduate Research Assistant
Department of Nuclear, Plasma & Radiological Engineering (NPRE)
University of Illinois at Urbana-Champaign (UIUC)
E-mail: huq2090 at gmail.com
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