Is there a better system anywhere than a retrial if a jury is deadlocked?

Is there an alternative anywhere in the world to a mistrial/retrial or prosecution cuts it’s losses system whenever a is deadlocked?
“After the declaration of a mistrial, prosecutors may choose to retry the case with a different set of jurors, or they may cut their losses.”
http://www.cnn.com/2017/06/15/us/bill-cosby-hung-jury/