Note that the YAML parser simply reads the yaml file, converts it into a petsc
option string which is later parsed by your code. Some of the advanced features
of YAML, which do not translate easily into petsc options (sequences, tags, and
anchors, for instance) are not implemented. Still, I
Alex Fleeter writes:
> Thanks, we will try that. I have never used YAML before.
It's meant to be more human-readable than XML, and is widely used these days.
> Anyway, we feel using command line arguments is a bit old fashioned. It can
> be quite desirable to set parameters from a
Alex,
If you are ok with plan text you can also put all your "command line
arguments" in a text file (using # for comment lines) like
-ksp_rtol 1.e-3
# very tight tolerance for SNES
-snes_rtol 1.e-12
and provide the file to PETSc via
the command line argument :-) -options_file filename
Thanks, we will try that. I have never used YAML before.
Anyway, we feel using command line arguments is a bit old fashioned. It can
be quite desirable to set parameters from a human-readable file.
On Thu, Aug 20, 2020 at 9:38 PM Jed Brown wrote:
> You can read from a YAML file with
You can read from a YAML file with -options_file_yaml file.yaml or via
https://www.mcs.anl.gov/petsc/petsc-master/docs/manualpages/Sys/PetscOptionsInsertFileYAML.html
Would this work for you or do you really want XML?
Alex Fleeter writes:
> Hi:
>
> Does PETSc have or plan to enable reading
Hi:
Does PETSc have or plan to enable reading arguments from an XML file?
Something like the Teuchos package in Trilinos.
Thanks,
AF
