[mpich-discuss] MPI / openmp - big static arrays fortran

[Jan Wittke]

Hi,

I have a strange problem. When I compile this code:

module user
   implicit none

   type user_type
     real :: value
     integer, dimension(30,30) :: array
   end type

end module

program test_mpi
  use user
  implicit none

  integer, parameter :: num = 1e5
  type(user_type), dimension(num)    :: var

  var(1)%value = 19.

  write(*,*) var(1)%value

             end program

with gfortran and run it there is no problem.
Now If I compile this program with

     mpifort -fcoarray=lib -fopenmp  testmod.f95 -lcaf_mpi

and run it with

    mpirun -np 1 ./a.out

I got an error Segmentation fault (signal 11)

Now if if compile it with

    mpifort -fcoarray=lib testmod.f95 -lcaf_mpi

everything is fine.
Why is it a problem to add the option  -fopenmp with this code?
Doing some web searches suggests that using big static array
will not work .

Thanks
Jan

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