I have several thousand objects that gets inserted into a statefull knowledge session as show below: for (Item item : itemList) { session.insert(item); } session.fireAllRules(); Assuming that all the conditions in the rules only concern with one item at a time, will there be a big performance difference if I changed the above to as shown below? for (Item item : itemList) { session.insert(item); session.fireAllRules(); } -- View this message in context: http://drools-java-rules-engine.46999.n3.nabble.com/Question-about-fireAl... Sent from the Drools - User mailing list archive at Nabble.com.