SMPI
* BC breaks:
- The option smpi/async_small_thres was renamed to smpi/async_small_thresh
- as we attempt to unify our naming schemes -> smpi/send_is_detached_thresh
+ as we attempt to unify our naming schemes.
+ - The option smpi/send_is_detached_thres was renamed to
+ smpi/send_is_detached_thresh as we attempt to unify our naming schemes.
* Remove old default barrier/bcast buggy algorithms (see #18407)
* Various bugfixes to handle more codes