[mpich-discuss] Race condition in MPI3 (Fortran, shared memory)

[Halim Amer]

Can you try adding MPI_Win_sync after the array updates. It should 
insure ordering and visibility of the load/store operations.

--Halim
www.mcs.anl.gov/~aamer

On 4/13/16 10:43 AM, C.Friedrich wrote:
> Sorry, there was a typo: a(*) should be integer rather than real(8).
> (ifort accepts it, gfortran does not.)
>>      subroutine mpe_win_fence(a,assert,win,err)
>>      implicit none
>>      integer, intent(inout) :: a(*)
>>      integer, intent(in)    :: assert,win
>>      integer, intent(out)   :: err
>>      call mpi_win_fence(assert,win,err)
>>      end
>
>
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