ok...Thank you so much sir
On Wed, May 9, 2018 at 11:13 PM, Jeff Squyres (jsquyres) wrote:
> It looks like you're getting a segv when calling MPI_Comm_rank().
>
> This is quite unusual -- MPI_Comm_rank() is just a local lookup / return
> of an integer. If MPI_Comm_rank() is seg faulting, it usu
What Jeff is suggesting is probably valgrind. However, in my
experience, which is much less than most OpenMPI developers, a simple
code inspection often is adequate. Here are the steps:
1. If you don't already have it, build a debug version of your code.
If you are using gcc, you'd use a -g to CFL
