Hey folks Here is the NEWS I have for 1.8.4 so far - please respond with any additions/mods you would like to suggest
+1.8.4 +----- +- Removed inadvertent change that set --enable-mpi-thread-multiple "on" + by default, thus impacting performance for non-threaded apps +- Significantly reduced startup time by optimizing internal hash table + implementation +- Fixed segfault in neighborhood collectives under certain use-cases +- Fixed Solaris support +- Fixed PMI configure tests for certain Slurm installation patterns +- Fixed param registration issue in Java bindings +- Several man page fixes +- Silence several warnings and close some memory leaks +- Add new PML to improve MXM performance +- Re-enabled the use of CMA and knem in the shared memory BTL +- Updated mpirun manpage to correctly explain new map/rank/binding options +- Numerous updates and performance improvements to OSHMEM
