[petsc-users] Problem in MPI execution

[Smith, Barry F.]

> On Jan 30, 2019, at 9:24 AM, Matthew Knepley via petsc-users <petsc-users at mcs.anl.gov> wrote:
> 
> On Wed, Jan 30, 2019 at 8:57 AM Fazlul Huq <huq2090 at gmail.com> wrote:
> Thanks Matt.
> 
> Is there anyway to go over this problem?
> I need to run program with parallel Cholesky and ILU.
> 
> From the link I sent you, you can try MUMPS and PasTiX for Cholesky.

   And look at the -pc_hypre_type option; one of them is for ILU.


> 
>    Matt
>  
> 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/
> 
> 
> -- 
> 
> 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/