The fourth release candidate for Open MPI 3.0.0 is now available for download.
Changes since rc2 include:
* Better handling of OPAL_PREFIX for PMIx
* Update to hwloc 1.11.7
* Sync with PMIx 2.0.1
* Revert atomics behavior to that of the 2.x series
* usnic, openib, and portals4 bug fixes
* Add README notes about older versions of the XL compiler
* Use UCX by default if found in usual locations
We will be releasing rc5 later this week, which we hope will be the basis of
the 3.0.0 release early next week. So the rc4 release is the last chance to
get bugs addressed. Please give it a go on your systems. Open MPI 3.0.0rc4
can be downloaded from:
https://www.open-mpi.org/software/ompi/v3.0/
Thanks,
The Open MPI Team
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