[petsc-users] Nonconforming object sizes using TAO (TAOBNTR)

Matthew Knepley knepley at gmail.com
Fri Jan 13 18:38:41 CST 2023


On Fri, Jan 13, 2023 at 11:22 AM Alexis Marboeuf <alexis.marboeuf at hotmail.fr>
wrote:

> Hi all,
>
> In a variational approach of brittle fracture setting, I try to solve a
> bound constraint minimization problem using TAO. I checkout on the main
> branch of Petsc. Minimization with respect to the bounded variable (damage)
> is achieved through the Bounded Newton Trust Region (TAOBNTR). All other
> TAO parameters are set by default. On a Linux machine, I get the following
> error with a 4 processors run:
>

Can you view the solver?

  Thanks,

    Matt


>
> [3]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
> [3]PETSC ERROR: Nonconforming object sizes
> [3]PETSC ERROR: Preconditioner number of local rows 1122 does not equal
> input vector size 1161
> [3]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
> [3]PETSC ERROR: Petsc Development GIT revision: v3.18.3-342-gdab44c92d91
> GIT Date: 2023-01-04 13:37:04 +0000
> [3]PETSC ERROR:
> /home/marboeua/Developpement/mef90/arch-darwin-c/bin/vDefTAO on a
> arch-darwin-c named bb01 by marboeua Thu Jan 12 16:55:18 2023
> [2]PETSC ERROR: --------------------- Error Message
> --------------------------------------------------------------
> [3]PETSC ERROR: Configure options --FFLAGS=-ffree-line-length-none
> --COPTFLAGS="-O3 -march=znver3 -g" --CXXOPTFLAGS="-O3 -march=znver3 -g"
>  --FOPTFLAGS="-O3 -march=znver3 -g" --download-fblaslapack=1
>  --download-mumps=1 --download-chaco=1 --download-exodusii=1
>  --download-hypre=1 --download-ml=1 --download-triangle
> --download-scalapack=1 --download-superlu=1 --download-sowing=1
>  --download-sowing-cc=/opt/rh/devtoolset-9/root/usr/bin/gcc
> --download-sowing-cxx=/opt/rh/devtoolset-9/root/usr/bin/g++
> --download-sowing-cpp=/opt/rh/devtoolset-9/root/usr/bin/cpp
> --download-sowing-cxxcpp=/opt/rh/devtoolset-9/root/usr/bin/cpp
> --download-yaml=1 --download-bison=1 --download-hdf5=1 --download-metis=1
>  --download-parmetis=1 --download-netcdf=1 --download-pnetcdf=1
>  --download-zlib=1 --with-cmake=1 --with-debugging=0
>  --with-mpi-dir=/opt/HPC/mvapich2/2.3.7-gcc11.2.1 --with-ranlib=ranlib
> --with-shared-libraries=1 --with-sieve=1 --download-p4est=1 --with-pic
> --with-mpiexec=srun --with-x11=0 PETSC_ARCH=arch-darwin-c
> [3]PETSC ERROR: #1 PCApply() at /1
> /home/marboeua/Developpement/petsc/src/ksp/pc/interface/precon.c:434
> [3]PETSC ERROR: #2 KSP_PCApply() at
> /home/marboeua/Developpement/petsc/include/petsc/private/kspimpl.h:380
> [3]PETSC ERROR: #3 KSPCGSolve_STCG() at /1
> /home/marboeua/Developpement/petsc/src/ksp/ksp/impls/cg/stcg/stcg.c:76
> [3]PETSC ERROR: #4 KSPSolve_Private() at /1
> /home/marboeua/Developpement/petsc/src/ksp/ksp/interface/itfunc.c:898
> [3]PETSC ERROR: #5 KSPSolve() at /1
> /home/marboeua/Developpement/petsc/src/ksp/ksp/interface/itfunc.c:1070
> [3]PETSC ERROR: #6 TaoBNKComputeStep() at /1
> /home/marboeua/Developpement/petsc/src/tao/bound/impls/bnk/bnk.c:459
> [3]PETSC ERROR: #7 TaoSolve_BNTR() at /1
> /home/marboeua/Developpement/petsc/src/tao/bound/impls/bnk/bntr.c:138
> [3]PETSC ERROR: #8 TaoSolve() at /1
> /home/marboeua/Developpement/petsc/src/tao/interface/taosolver.c:177
> [2]PETSC ERROR: Nonconforming object sizes
> [2]PETSC ERROR: Preconditioner number of local rows 1229 does not equal
> input vector size 1254
> [2]PETSC ERROR: See https://petsc.org/release/faq/ for trouble shooting.
> [2]PETSC ERROR: Petsc Development GIT revision: v3.18.3-342-gdab44c92d91
> GIT Date: 2023-01-04 13:37:04 +0000
> [2]PETSC ERROR:
> /home/marboeua/Developpement/mef90/arch-darwin-c/bin/vDefTAO on a
> arch-darwin-c named bb01 by marboeua Thu Jan 12 16:55:18 2023
> [2]PETSC ERROR: Configure options --FFLAGS=-ffree-line-length-none
> --COPTFLAGS="-O3 -march=znver3 -g" --CXXOPTFLAGS="-O3 -march=znver3 -g"
>  --FOPTFLAGS="-O3 -march=znver3 -g" --download-fblaslapack=1
>  --download-mumps=1 --download-chaco=1 --download-exodusii=1
>  --download-hypre=1 --download-ml=1 --download-triangle
> --download-scalapack=1 --download-superlu=1 --download-sowing=1
>  --download-sowing-cc=/opt/rh/devtoolset-9/root/usr/bin/gcc
> --download-sowing-cxx=/opt/rh/devtoolset-9/root/usr/bin/g++
> --download-sowing-cpp=/opt/rh/devtoolset-9/root/usr/bin/cpp
> --download-sowing-cxxcpp=/opt/rh/devtoolset-9/root/usr/bin/cpp
> --download-yaml=1 --download-bison=1 --download-hdf5=1 --download-metis=1
>  --download-parmetis=1 --download-netcdf=1 --download-pnetcdf=1
>  --download-zlib=1 --with-cmake=1 --with-debugging=0
>  --with-mpi-dir=/opt/HPC/mvapich2/2.3.7-gcc11.2.1 --with-ranlib=ranlib
> --with-shared-libraries=1 --with-sieve=1 --download-p4est=1 --with-pic
> --with-mpiexec=srun --with-x11=0 PETSC_ARCH=arch-darwin-c
> [2]PETSC ERROR: #1 PCApply() at /1
> /home/marboeua/Developpement/petsc/src/ksp/pc/interface/precon.c:434
> [2]PETSC ERROR: #2 KSP_PCApply() at
> /home/marboeua/Developpement/petsc/include/petsc/private/kspimpl.h:380
> [2]PETSC ERROR: #3 KSPCGSolve_STCG() at /1
> /home/marboeua/Developpement/petsc/src/ksp/ksp/impls/cg/stcg/stcg.c:76
> [2]PETSC ERROR: #4 KSPSolve_Private() at /1
> /home/marboeua/Developpement/petsc/src/ksp/ksp/interface/itfunc.c:898
> [2]PETSC ERROR: #5 KSPSolve() at /1
> /home/marboeua/Developpement/petsc/src/ksp/ksp/interface/itfunc.c:1070
> [2]PETSC ERROR: #6 TaoBNKComputeStep() at /1
> /home/marboeua/Developpement/petsc/src/tao/bound/impls/bnk/bnk.c:459
> [2]PETSC ERROR: #7 TaoSolve_BNTR() at /1
> /home/marboeua/Developpement/petsc/src/tao/bound/impls/bnk/bntr.c:138
> [2]PETSC ERROR: #8 TaoSolve() at /1
> /home/marboeua/Developpement/petsc/src/tao/interface/taosolver.c:177
> [3]PETSC ERROR: #9 /home/marboeua/Developpement/mef90/vDef/vDefTAO.F90:370
> application called MPI_Abort(MPI_COMM_SELF, 60) - process 0
> [2]PETSC ERROR: #9 /home/marboeua/Developpement/mef90/vDef/vDefTAO.F90:370
> application called MPI_Abort(MPI_COMM_SELF, 60) - process 0
> slurmstepd: error: *** STEP 5034.0 ON bb01 CANCELLED AT
> 2023-01-12T17:21:07 ***
> srun: Job step aborted: Waiting up to 32 seconds for job step to finish.
> srun: error: bb01: tasks 0-1: Killed
> srun: error: bb01: tasks 2-3: Exited with exit code 1
>
> The error is raised in the middle of the computation after many successful
> calls of TAOSolve and TAO iterations. My guess is that TAO computes the
> preconditioner during its first iteration with all variables in the active
> set. But the preconditioner is never updated when some variables are moved
> to the inactive set during the next TAO iterations. Am I right? Can you
> help me with that?
>
> Thanks a lot for your help and your time.
> Regards,
> Alexis
>


-- 
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/>
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