[petsc-users] Trying to run https://petsc.org/release/src/ksp/ksp/tutorials/ex72.c.html

[Stefano Zampini]

Your PETSc installation is for complex,  data is for real

On Mon, Jul 29, 2024, 23:14 neil liu <liufield at gmail.com> wrote:

> I compiled Petsc with single precision. However, it is not converged with
> the data. Please see the attached file. On Mon, Jul 29, 2024 at 4: 25 PM
> Barry Smith <bsmith@ petsc. dev> wrote: This can happen if the data was
> stored in single precision
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> This Message Is From an External Sender
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> I compiled Petsc with single precision. However, it is not converged with
> the data.
>
> Please see the attached file.
>
> On Mon, Jul 29, 2024 at 4:25 PM Barry Smith <bsmith at petsc.dev> wrote:
>
>>
>>    This can happen if the data was stored in single precision and PETSc
>> was built for double.
>>
>>
>> On Jul 29, 2024, at 3:55 PM, neil liu <liufield at gmail.com> wrote:
>>
>> This Message Is From an External Sender
>> This message came from outside your organization.
>> Dear Petsc developers,,
>>
>> I am trying to run
>> https://urldefense.us/v3/__https://petsc.org/release/src/ksp/ksp/tutorials/ex72.c.html__;!!G_uCfscf7eWS!dwTKXCltGM9-bkaDPXs4VJqHhf4VpcCQ1EbltIKpsrXyXtSUl5mppPpD5dckFB6TV2fuRs-VxwKdeuGLe7mV4ToyX_LjFK0$ 
>> <https://urldefense.us/v3/__https://petsc.org/release/src/ksp/ksp/tutorials/ex72.c.html__;!!G_uCfscf7eWS!ZG4gvmS6hQD8ymbvCUDfAatzRUJHzmWO-hOgp9m0xXuAXgIB-fxe_xspYs3WEPi_Ed0UFLMHKanYuYWrTlQGrA$>
>> with
>>
>> petsc-3.21.1/petsc/arch-linux-c-opt/bin/mpirun -n 2 ./ex72  -f
>> /Documents/PetscData/poisson_DMPLEX_32x32_16.dat -pc_type bddc -ksp_type cg
>> -ksp_norm_type natural -ksp_error_if_not_converged -mat_type is
>>
>> The file was downloaded and put in the directory PetscData.
>>
>> The error is shown as follows,
>>
>> 0]PETSC ERROR: --------------------- Error Message
>> --------------------------------------------------------------
>> [0]PETSC ERROR: Read from file failed
>> [0]PETSC ERROR: Read past end of file
>> [0]PETSC ERROR: WARNING! There are unused option(s) set! Could be the
>> program crashed before usage or a spelling mistake, etc!
>> [0]PETSC ERROR:   Option left: name:-ksp_error_if_not_converged (no
>> value) source: command line
>> [0]PETSC ERROR:   Option left: name:-ksp_norm_type value: natural source:
>> command line
>> [0]PETSC ERROR:   Option left: name:-ksp_type value: cg source: command
>> line
>> [0]PETSC ERROR:   Option left: name:-pc_type value: bddc source: command
>> line
>> [0]PETSC ERROR: See https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!dwTKXCltGM9-bkaDPXs4VJqHhf4VpcCQ1EbltIKpsrXyXtSUl5mppPpD5dckFB6TV2fuRs-VxwKdeuGLe7mV4Toy5wnaJks$ 
>> <https://urldefense.us/v3/__https://petsc.org/release/faq/__;!!G_uCfscf7eWS!ZG4gvmS6hQD8ymbvCUDfAatzRUJHzmWO-hOgp9m0xXuAXgIB-fxe_xspYs3WEPi_Ed0UFLMHKanYuYVR0x14Xg$>
>>  for trouble shooting.
>> [0]PETSC ERROR: Petsc Release Version 3.21.1, unknown
>> [0]PETSC ERROR: ./ex72 on a arch-linux-c-opt named
>>  Mon Jul 29 15:50:04 2024
>> [0]PETSC ERROR: Configure options --with-cc=gcc --with-fc=gfortran
>> --with-cxx=g++ --download-fblaslapack --download-mpich
>> --with-scalar-type=complex --download-triangle --with-debugging=no
>> [0]PETSC ERROR: #1 PetscBinaryRead() at
>> /home/xxxxxx/Documents/petsc-3.21.1/petsc/src/sys/fileio/sysio.c:327
>> [0]PETSC ERROR: #2 PetscViewerBinaryWriteReadAll() at
>> /home/xiaodong.liu/Documents/petsc-3.21.1/petsc/src/sys/classes/viewer/impls/binary/binv.c:1077
>> [0]PETSC ERROR: #3 PetscViewerBinaryReadAll() at
>> /home/xiaodong.liu/Documents/petsc-3.21.1/petsc/src/sys/classes/viewer/impls/binary/binv.c:1119
>> [0]PETSC ERROR: #4 MatLoad_MPIAIJ_Binary() at
>> Documents/petsc-3.21.1/petsc/src/mat/impls/aij/mpi/mpiaij.c:3093
>> [0]PETSC ERROR: #5 MatLoad_MPIAIJ() at
>> /Documents/petsc-3.21.1/petsc/src/mat/impls/aij/mpi/mpiaij.c:3035
>> [0]PETSC ERROR: #6 MatLoad() at
>> /Documents/petsc-3.21.1/petsc/src/mat/interface/matrix.c:1344
>> [0]PETSC ERROR: #7 MatLoad_IS() at
>> /Documents/petsc-3.21.1/petsc/src/mat/impls/is/matis.c:2575
>> [0]PETSC ERROR: #8 MatLoad() at
>> /home/Documents/petsc-3.21.1/petsc/src/mat/interface/matrix.c:1344
>> [0]PETSC ERROR: #9 main() at ex72.c:105
>> [0]PETSC ERROR: PETSc Option Table entries:
>> [0]PETSC ERROR: -f
>> /Documents/PetscData/poisson_DMPLEX_32x32_16.dat (source: command line)
>> [0]PETSC ERROR: -ksp_error_if_not_converged (source: command line)
>> [0]PETSC ERROR: -ksp_norm_type natural (source: command line)
>> [0]PETSC ERROR: -ksp_type cg (source: command line)
>> [0]PETSC ERROR: -mat_type is (source: command line)
>> [0]PETSC ERROR: -pc_type bddc (source: command line)
>> [0]PETSC ERROR: ----------------End of Error Message -------send entire
>> error message to petsc-maint at mcs.anl.gov----------
>> application called MPI_Abort(MPI_COMM_SELF, 66) - process 0
>>
>>
>>
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