opal_wrapper(1)

opal_wrapper1

opal_wrapper — Back-end Open MPI wrapper command

Overview

opal_wrapper is not meant to be called directly by end users. It is automatically invoked as the back-end by the Open MPI wrapper commands such as: mpicc, mpicxx, and mpifort (and its legacy/deprecated aliases mpif77 and mpif90).

Some Open MPI installations may have additional wrapper commands, and/or have renamed the wrapper compilers listed above to avoid executable name conflicts with other MPI implementations. Hence, you may also have wrapper compilers installed including the following names: mpifort.openmpi (and the legacy/deprecated aliases mpif90.openmpi and mpif77.openmpi), mpicxx.openmpi, mpicc.openmpi.

SEE ALSO:

The following may exist depending on your particular Open MPI installation: mpicc(1), mpicxx(1), mpifort(1)

Releases

10 releases since Debian 5.0 (Lenny); the text changed 9 times.

  1. 5.0
  2. 6.0
  3. 7
  4. 8
  5. 9
  6. 10
  7. 11
  8. 12
  9. 13
  10. Arch

--showme until Debian 12 (Bookworm).

From openmpi 5.0.11-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.