This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ==== OpenMP and process pinning ==== When starting hybrid OpenMP/MPI jobs, process pinning (cpu affinity) should be disabled. Otherwise all threads will bind to one core. Pinning can be disabled by setting an environment variable, depending on the MPI version used: IntelMPI: <code> export I_MPI_PIN=0 </code> MVAPICH2: <code> export MV2_ENABLE_AFFINITY=0 </code> doku/openmp.txt Last modified: 2014/03/13 14:26by 127.0.0.1