[petsc-users] Error "Attempting to use an MPI routine before initializing MPICH" after compiling PETSc with Intel MPI and GCC

[Stefano Zampini]

Try removing line 15

boost_procs = boost::thread::physical_concurrency();

Usually these errors are caused by  destructors called when objects go out of scope

> On Oct 11, 2021, at 12:23 PM, Roland Richter <roland.richter at ntnu.no> wrote:
> 
> <main.cpp>