The Open MPI Team, representing a consortium of research, academic, and
industry partners, is pleased to announce the release of Open MPI version 2.0.4.

v2.0.4 is a bug fix release that includes a variety of bug fixes and a few

performance fixes.  Users of the v2.0.x release stream are encouraged to

upgrade to v2.0.4 when possible.

Version 2.0.4 can be downloaded from the main Open MPI web site:

NEWS for this release:

2.0.4 -- November, 2017

Bug fixes/minor improvements:
- Fix an issue with visibility of functions defined in the built-in PMIx.
  Thanks to Siegmar Gross for reporting this issue.
- Add configure check to prevent trying to build this release of
  Open MPI with an external hwloc 2.0 or newer release.
- Add ability to specify layered providers for OFI MTL.
- Fix a correctness issue with Open MPI's memory manager code
  that could result in corrupted message data.  Thanks to
  Valentin Petrov for reporting.
- Fix issues encountered when using newer versions of PBS Pro.
  Thanks to Petr Hanousek for reporting.
- Fix a problem with MPI_GET when using the vader BTL.  Thanks
  to Dahai Guo for reporting.
- Fix a problem when using MPI_ANY_SOURCE with MPI_SENDRECV_REPLACE.
  Thanks to Dahai Guo for reporting.
- Fix a problem using MPI_FILE_OPEN with a communicator with an
  attached cartesian topology.  Thanks to Wei-keng Liao for reporting.
- Remove IB XRC support from the OpenIB BTL due to lack of support.
- Remove support for big endian PowerPC.
- Remove support for XL compilers older than v13.1

Thanks very much,

Your Open MPI release team

Howard Pritchard
B Schedule
Los Alamos National Laboratory

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