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oshmem_info - Display information about the Open MPI installation
oshmem_info [options]
oshmem_info provides detailed
information about the Open MPI/SHMEM installation. It can be useful for
at least three common scenarios:
1. Checking local configuration and seeing
how Open MPI/SHMEM was installed.
2. Submitting bug reports / help requests
to the Open MPI/SHMEM community (see http://www.open-mpi.org/community/help/)
3. Seeing a list of installed Open MPI/SHMEM plugins and querying what MCA
parameters they support.
oshmem_info accepts the following options:
- -a|--all
- Show all configuration options and MCA parameters
- --arch
- Show architecture
Open MPI/SHMEM was compiled on
- -c|--config
- Show configuration options
- -gmca|--gmca
<param> <value>
- Pass global MCA parameters that are applicable to all contexts.
- -h|--help
- Shows help / usage message
- --hostname
- Show the hostname that Open MPI/SHMEM
was configured and built on
- --internal
- Show internal MCA parameters (not
meant to be modified by users)
- --level
- Show only variables with at most this
level (1-9). The default is 1 unless --all is specified without --level in which
case the default is 9. See the LEVEL section for more information.
- -mca|--mca
<param> <value>
- Pass context-specific MCA parameters; they are considered global
if --gmca is not used and only one context is specified.
- --param <type> <component>
- Show MCA parameters. The first parameter is the type of the component to
display; the second parameter is the specific component to display (or
the keyword "all", meaning "display all components of this type").
- --parsable
- When used in conjunction with other parameters, the output is displayed
in a machine-parsable format --parseable Synonym for --parsable
- --path <type>
- Show
paths that Open MPI/SHMEM was configured with. Accepts the following parameters:
prefix, bindir, libdir, incdir, pkglibdir, sysconfdir.
- --pretty
- When used
in conjunction with other parameters, the output is displayed in ’prettyprint’
format (default)
- --selected-only
- Show only variables from selected components.
- -V|--version
- Show version of Open MPI/SHMEM.
- Basic information of
interest to users
- Detailed information of interest to users
- All remaining
information of interest to users
- Basic information required for tuning
- Detailed information required for tuning
- All remaining information required
for tuning
- Basic information for MPI implementors
- Detailed information
for MPI implementors
- All remaining information for MPI implementors
- oshmem_info
- Show the default output of options and listing of
installed components in a human-readable / prettyprint format.
- oshmem_info
--parsable
- Show the default output of options and listing of installed components
in a machine-parsable format.
- oshmem_info --param btl openib
- Show the MCA
parameters of the "openib" BTL component in a human-readable / prettyprint
format.
- oshmem_info --param btl openib --parsable
- Show the MCA parameters
of the "openib" BTL component in a machine-parsable format.
- oshmem_info
--path bindir
- Show the "bindir" that Open MPI was configured with.
- oshmem_info
--version ompi full --parsable
- Show the full version numbers of Open MPI/SHMEM
(including the ORTE and OPAL version numbers) in a machine-readable format.
- oshmem_info --version btl major
- Show the major version number of all BTL
components in a prettyprint format.
- oshmem_info --version btl:tcp minor
- Show the minor version number of the TCP BTL component in a prettyprint
format.
- oshmem_info --all
- Show all information about the Open MPI/SHMEM
installation, including all components that can be found, the MCA parameters
that they support, versions of Open MPI/SHMEM and the components, etc.
The Open MPI/SHMEM maintainers -- see http://www.openmpi.org/ or
the file AUTHORS.
This manual page was originally contributed by Dirk Eddelbuettel
<email-address-removed>, one of the Debian GNU/Linux maintainers for Open MPI, and
may be used by others.
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