Open MPI v1.10.2 http://www.open-mpi.org/community/help/

-------------------------------------------------------------------------- The ompi_info command can be used to provide detailed information on your Open MPI installation. Syntax: -a|--all Show all configuration options and MCA parameters -am <arg0> Aggregate MCA parameter set file list --arch Show architecture Open MPI was compiled on -c|--config Show configuration options -gmca|--gmca <arg0> <arg1> Pass global MCA parameters that are applicable to all contexts (arg0 is the parameter name; arg1 is the parameter value) -h|--help Show this help message --hostname Show the hostname that Open MPI was configured and built on --internal Show internal MCA parameters (not meant to be modified by users) -l|--level <arg0> Show only variables with at most this level (1-9) -mca|--mca <arg0> <arg1> Pass context-specific MCA parameters; they are considered global if --gmca is not used and only one context is specified (arg0 is the parameter name; arg1 is the parameter value) --param <arg0> <arg1> Show MCA parameters. The first parameter is the framework (or the keyword "all"); the second parameter is the specific component name (or the keyword "all"). --params <arg0> <arg1> Synonym for --param --parsable When used in conjunction with other parameters, the output is displayed in a machine-parsable format --parseable Synonym for --parsable --path <arg0> Show paths that Open MPI was configured with. Accepts the following parameters: prefix, bindir, libdir, incdir, mandir, pkglibdir, sysconfdir, all --pretty-print When used in conjunction with other parameters, the output is displayed in 'pretty-print' format (default) -s|--selected-only Show only variables from selected components -V|--version Show version of Open MPI --------------------------------------------------------------------------