This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. ==== General recommendations ==== To make sure that the MPI communication happens via the infiniband fabric, please use the following settings in your job-script and/or in your ''.bashrc'' file: <code> export I_MPI_DAT_LIBRARY=/usr/lib64/libdat2.so.2 export OMP_NUM_THREADS=1 export I_MPI_FABRICS=shm:dapl export I_MPI_FALLBACK=0 export I_MPI_CPUINFO=proc export I_MPI_PIN_PROCESSOR_LIST=1,14,9,6,5,10,13,2,3,12,11,4,7,8,15,0 export I_MPI_JOB_FAST_STARTUP=0 </code> doku/grecommendations.txt Last modified: 2014/06/18 08:19by ir