On Wed, Oct 25, 2023 at 11:12 AM Qiyue Lu <[email protected]> wrote:
> Hello,
> I have an in-house code enabled OpenMP and it works. Now I am trying to
> incorporate PETSc as the linear solver and build together using the
> building rules in $PETSC_HOME/lib/petsc/conf/rules. However, I found the
> OpenMP part doesn't work anymore.
> Should I re-configure the petsc installation with --with-openmp=1 option?
> I wonder are the building rules affected by this missing option?
>
There are parts of PETSc that are not threadsafe unless you configure using
--with-threadsafety. If you plan to call PETSc methods from different
threads, you need this.
Thanks,
Matt
> Thanks,
> Qiyue Lu
>
--
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/>
