[petsc-users] .petscrc in Windows

[Satish Balay]

Hm - petscrc in the run dir works for me. [and the other modes aswell]

Satish

-------
balay at msnehalem2 ~/petsc.clone/src/ksp/ksp/examples/tutorials
$ make ex2
/home/balay/petsc.clone/bin/win32fe/win32fe cl -o ex2.o -c -MT -wd4996 -Z7   -I/home/balay/petsc.clone/include -I/home/balay/petsc.clone/arch-win32/include -I/home/balay/petsc.clone/include/mpiuni    `pwd`/ex2.c
ex2.c
/home/balay/petsc.clone/bin/win32fe/win32fe cl -MT -wd4996 -Z7  -o ex2 ex2.o  -L/home/balay/petsc.clone/arch-win32/lib  -lpetsc -lflapack -lfblas Gdi32.lib User32.lib Advapi32.lib Kernel32.lib Ws2_32.lib
/usr/bin/rm -f ex2.o

balay at msnehalem2 ~/petsc.clone/src/ksp/ksp/examples/tutorials
$ ./ex2
Norm of error 0.000156044 iterations 6

balay at msnehalem2 ~/petsc.clone/src/ksp/ksp/examples/tutorials
$ echo "-ksp_view" > petscrc

balay at msnehalem2 ~/petsc.clone/src/ksp/ksp/examples/tutorials
$ cat petscrc
-ksp_view

balay at msnehalem2 ~/petsc.clone/src/ksp/ksp/examples/tutorials
$ ./ex2
KSP Object: 1 MPI processes
  type: gmres
    GMRES: restart=30, using Classical (unmodified) Gram-Schmidt Orthogonalization with no iterative refinement
    GMRES: happy breakdown tolerance 1e-030
  maximum iterations=10000, initial guess is zero
  tolerances:  relative=0.000138889, absolute=1e-050, divergence=10000
  left preconditioning
  using PRECONDITIONED norm type for convergence test
PC Object: 1 MPI processes
  type: icc
    0 levels of fill
    tolerance for zero pivot 2.22045e-014
    using Manteuffel shift [POSITIVE_DEFINITE]
    matrix ordering: natural
    factor fill ratio given 1, needed 1
      Factored matrix follows:
        Mat Object:         1 MPI processes
          type: seqsbaij
          rows=56, cols=56
          package used to perform factorization: petsc
          total: nonzeros=153, allocated nonzeros=153
          total number of mallocs used during MatSetValues calls =0
              block size is 1
  linear system matrix = precond matrix:
  Mat Object:   1 MPI processes
    type: seqaij
    rows=56, cols=56
    total: nonzeros=250, allocated nonzeros=280
    total number of mallocs used during MatSetValues calls =0
      not using I-node routines
Norm of error 0.000156044 iterations 6

balay at msnehalem2 ~/petsc.clone/src/ksp/ksp/examples/tutorials
$


On Wed, 11 Dec 2013, Qin Lu wrote:

> Satish,
>  
> I tried both ways that you suggested in Win-7 (and I tried to put the petscrc file in either the directory of executable or the directory where I run the executable), but it did not work. Note that I have to use file name "petscrc" instead of ".petscrc" since Windows does not allow the file name start with "."
>  
> The content of the file is very simple:
> -pc_type jacobi
> 
> 
> 
> 
> On Wednesday, December 11, 2013 1:26 PM, Qin Lu <lu_qin_2000 at yahoo.com> wrote:
>   
> Thanks, Satish!
>  
> Qin
> 
> 
> 
> On Wednesday, December 11, 2013 12:27 PM, Satish Balay <balay at mcs.anl.gov> wrote:
>   
> On Wed, 11 Dec 2013, Qin Lu wrote:
> 
> 
> > Hello,
> >  
> > PETSc can read options from .petscrc file at home
>  directory in Linux. Can it do the same thing in Windows? What is the file name and where the file should be placed?
> 
> On windows - one can emulate this by setting "HOME" env variable to the location where you have .petscrc
> 
> Also one can have .petscrc [or petscrc] in the location from which you run the petsc executable.
> 
> Satish
> 
>     
> 
>    Any suggestion?
> 
> Thanks,
> Qin