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

v1.10.5 is a bug fix release that includes an important performance regression 
fix. All users are encouraged to upgrade to v1.10.5 when possible.  

Version 1.10.5 can be downloaded from the main Open MPI web site 


1.10.5 - 19 Dec 2016
- Update UCX APIs
- Fix bug in darray that caused MPI/IO failures
- Use a MPI_Get_library_version() like string to tag the debugger DLL.
  Thanks to Alastair McKinstry for the report
- Fix multi-threaded race condition in coll/libnbc
- Several fixes to OSHMEM
- Fix bug in UCX support due to uninitialized field
- Fix MPI_Ialltoallv with MPI_IN_PLACE and without MPI param check
- Correctly reset receive request type before init. Thanks Chris Pattison
  for the report and test case.
- Fix bug in iallgather[v]
- Fix concurrency issue with MPI_Comm_accept. Thanks to Pieter Noordhuis
  for the patch
- Fix ompi_coll_base_{gather,scatter}_intra_binomial
- Fixed an issue with MPI_Type_get_extent returning the wrong extent
  for distributed array datatypes.
- Re-enable use of rtdtsc instruction as a monotonic clock source if
  the processor has a core-invariant tsc. This is a partial fix for a
  performance regression introduced in Open MPI v1.10.3.


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