That should have said “I’m making it replicate from a slave which is using row based logs” - not sure why I put the not in the there. I just was unable to get it to go over around 550 writes per second.
It might be supported in MySQL 5.7, but XtraDB says it is unsupported:
ERROR 1105 (HY000): Percona-XtraDB-Cluster prohibits enabling slave_preserve_commit_order as it conflicts with galera multi-master commit order semantics