I will post a small example for testing. It is interesting to note though that this happens only
when MPI_ALLREDUCE is called in a recursive kind of way. Is there a possibility to limit the OMPI_free_list groth, via an --mca parameter ? List-Post: users@lists.open-mpi.org Date: Sun, 08 Sep 2013 14:51:44 +0200 From: Max Staufer <max.stau...@gmx.net> To: us...@open-mpi.org Subject: [OMPI users] OMPI_LIST_GROW keeps allocating memory Message-ID: <522c72e0.9000...@gmx.net> Content-Type: text/plain; charset=ISO-8859-15 Hi All, using ompi 1.4.5 or 1.6.5 for that matter, I came across an interesting thing when an MPI function is called from in a recusivly called subroutine (Fortran Interface) the MPI_ALLREDUCE function allocates memory in the OMPI_LIST_GROW functions. It does this indefinitly. In our case OMPI allocated 100GB. is there a method to limit this behaviour ? thanks Max
