Bug Fixes in this Version

3268964

Description: Improved performance in MPI_Bcast on AMD Genoa.

Note: To make use of these improvements, make sure UCC is explicitly enabled using:

--mca coll_ucc_enable 1 --mca coll_ucc_priority 99 --mca coll ucc,basic,libnbc --mca coll_ucc_cls basic,hier

Keywords: MPI_Bcast; AMD Genoa; UCC

Discovered in Version: 2.14

Fixed in Version: 2.15