btl/sm: rewrite of fast box (per-peer receive buffers)#13037

hjelmn merged 1 commit intoopen-mpi:mainopen-mpi/ompi:mainfrom

hjelmn:clean_up_btl_sm_fbox_code_and_fix_edge_condition_that_can_cause_lost_messageshjelmn/ompi:clean_up_btl_sm_fbox_code_and_fix_edge_condition_that_can_cause_lost_messagesCopy head branch name to clipboard