Cluster-Specific Tuning Commands
To use the MPI tuner in the cluster-specific mode:
- Run the following command to create the tuned configuration files in the default<installdir>\<arch>\<etc>directory:> mpitune -hf <hostfile>To create configuration files in a different directory, use the-odroption:> mpitune -hf <hostfile> -odr <path_to_result_directory>
- Use the-tuneoption without an argument to pick up the configuration files from the default directory, or use the path to the results as an argument for-tune. For example:> mpiexec -tune -ppn 8 -n 128 my_app.exe> mpiexec -tune <path_to_result_directory> -ppn 8 -n 128my_app.exe