Re: [OMPI users] Shared Ram used for simple application

[Edmund Sumbar]

sebastien.he...@external.thalesgroup.com wrote:

Hi,
Is there any mean to reduce the shared RAM used by MPI?
For a very simple application, I have about 500Mo of shared RAM.

Try

  mpirun --mca mpool_sm_size <size> -np <nprocs> ./a.out
         ^^^^^^^^^^^^^^^^^^^^^^^^^^

--
Ed[mund] [Sumbar]]
Research Support, Univ of Alberta