Dear OpenMPI Pros Is there an MCA parameter that would do the same as the mpiexec switch '-bind-to-core'? I.e., something that I could set up not in the mpiexec command line, but for the whole cluster, or for an user, etc.
In the past I used '-mca mpi mpi_paffinity_alone=1'. But that was before '-bind-to-core' came along. However, my recollection of some recent discussions here in the list is that the latter would not do the same as '-bind-to-core', and that the recommendation was to use '-bind-to-core' in the mpiexec command line. Thank you, Gus Correa
